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[netbsd-mini2440.git] / gnu / dist / gcc4 / gcc / ChangeLog

2008-06-05  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_emit_loadgp): Emit a blockage if
        current_function_profile.
        * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.

2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.

2008-04-08  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_widened_comparison): Do not allow
        sign-changes that change the result.

2008-03-25  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2008-02-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35163
        * fold-const.c (fold_widened_comparison): Use get_unwidened in
        value-preserving mode.  Disallow final truncation.

2008-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        Backport:
        2007-09-27  Matthias Klose  <doko@ubuntu.com>

        * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
        multilib osdirname if it exists.
        * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

        PR target/34393
        * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
        to a reg.

2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle_end/34150
        * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
        pic_label_operand source.  Similarly, add a REG_LABEL note and
        update LABEL_NUSES during and after reload.

2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR middle-end/34627
        * combine.c (simplify_if_then_else): Make sure the comparison is
        against const0_rtx when simplifying to (abs x) or (neg (abs X)).

2008-02-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33631
        * expr.c (count_type_elements): Give for unions instead of
        guessing.

2008-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        Backport:
        2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>

        PR middle-end/25445
        * varasm.c (default_binds_local_p_1): Consult flag_whole_program
        if we are compiling with -fPIC.

2008-01-31  Richard Henderson  <rth@redhat.com>

        PR c/34993
        * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
        for unbounded arrays.

2008-01-31  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
        the overflow check to make it easier to read.
        (__fixtfdi): Change the type of the ll member in union
        long_double to UDItype_x.

2008-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        Backport:
        2007-11-07  Kenneth Zadeck <zadeck@naturalbridge.com>
        
        PR middle-end/33826
        * ipa-pure-const (static_execute): Added code to keep recursive
        functions from being marked as pure or const.
        * ipa-utils (searchc): Fixed comment.
        
2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libgfortran/34699
        * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
        static links.
        * pa-hpux10.h (LINK_SPEC): Likewise.
        * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.

2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/31944
        * cse.c (remove_pseudo_from_table): New function.
        (merge_equiv_classes): Use above function to remove pseudo-registers.
        (invalidate): Likewise.

2007-12-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR driver/33772
        * collect2.c (SHLIB_SUFFIX): Define if not defined.
        (write_c_file_stat): Use SHLIB_SUFFIX.
        * som.h (SHLIB_SUFFIX): Define.
        * doc/tm.texi (SHLIB_SUFFIX): Document.

2007-12-20  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/34003
        * c-decl.c (merge_decls): Copy RTL from olddecl to newdecl.
        * config/pa/pa.c (pa_encode_section_info): If !first, preserve
        SYMBOL_FLAG_REFERENCED flag.

2007-12-19  Kaz Kylheku  <kaz@zeugmasystems.com>

        PR rtl-optimization/34456
        * resource.c (mark_set_resources): Use regs_invalidated_by_call
        rather than call_used_regs and global_regs.

2007-11-29  Matthias Klose  <doko@ubuntu.com>

        Backport from mainline:
        2007-11-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34130
        * fold-const.c (extract_muldiv_1): Do not move negative
        constants inside ABS_EXPR.

2007-11-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34030
        * fold-const.c (fold_binary): Use correct types for folding
        1 << X & Y to Y >> X & 1.

2007-11-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/33822
        * rtl.h (REG_OFFSET): Fix comment.
        * var-tracking.c (INT_MEM_OFFSET): New macro.
        (var_mem_set): Use it.
        (var_mem_delete_and_set): Likewise.
        (var_mem_delete): Likewise.
        (vt_get_decl_and_offset): Likewise.
        (offset_valid_for_tracked_p): New predicate.
        (count_uses): Do not track locations with invalid offsets.
        (add_uses): Likewise.
        (add_stores): Likewise.

2007-11-04  Hirohisa Yamaguchi  <umq@ueo.co.jp>

        * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Fix
        broken else-if chain.

2007-11-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc: Proactively add FreeBSD 10 and FreeBSD 11.
        * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.

2007-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        Backport from mainline:
        2006-12-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/30113
        * loop-iv.c (implies_p): Require the mode of the operands to be
        scalar.

2007-10-30  Ian Lance Taylor  <iant@google.com>

        * ifcvt.c (noce_can_store_speculate_p): New static function.
        (noce_process_if_block): Call it.
        (find_if_header): Only call find_if_case_1 and find_if_case_2 if
        life_data_ok is set.
        (if_convert): Always compute postdominators.

2007-10-29  Janis Johnson  <janis187@us.ibm.com>

        * doc/invoke.texi (Option Summary, optimizations): Remove
        -fbounds-check.  Show that the value for options -falign-jumps,
        -falign-labels, -falign-loops, -falign-functions,
        -fsched-stalled-insns, and -fsched-stalled-insns-dep is optional.
        Break up a long line.  Add -ftree-vrp and -funit-at-a-time.
        (Option Summary, code gen options)  Add -fno-stack-limit.
        * doc/invoke.texi (Option Summary, optimizations):
        (Optimization Options): Remove -fbounds-check, which is also
        documented under Code Generation Options.  In the descriptions for
        -fsched-stalled-insns and -fsched-stalled-insns-dep, show the
        options with and without values.  Change -fno-cprop-registers
        to -fcprop-registers to match other options, and say when it is
        enabled rather than disabled.  Remove extra index entry for
        -fno-cx-limited-range.  Add opindex for several optimization
        options, and fix typos in the opindex commands for several others.
        (Code Gen Options): Add index entry for -ftls-model.

2007-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/rtl.texi (Flags): Fix MEM_SCALAR_P entry.
        Document MEM_POINTER.  Replace mentions of "integrated"
        field with "return_val".  Delete outdated stuff.

2007-10-20  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point
        saved CR2 offset to low 32 bits of regs->ccr rather than the whole
        64-bit register in 64-bit libgcc.

2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>

        * configure.ac (ld_vers): Support GNU linker version xx.xx.*
        * configure: Regenerated.

2007-09-23  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
        * configure: Regenerated.

2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/33418
        * configure.ac (ld_vers): Support Linux linker.
        * configure: Regenerated.

2007-09-06  Richard Sandiford  <richard@codesourcery.com>

        PR target/33256
        * config/mips/mips.c (mips_classify_symbolic_expression): New function.
        (mips_classify_address): Use it instead of mips_symbolic_constant_p.
        (print_operand_reloc): Likewise.

2007-08-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/32912
        * fold-const.c (fold_binary): Only optimize X | ~X and X ^ ~X for
        integral types.

2007-08-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33142
        * tree-vrp.c (extract_range_from_unary_expr): Compare with
        TYPE_MIN/MAX_VALUE using tree_int_cst_equal.

2007-08-21  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/predicates.md (const_call_insn_operand): Invoke
        SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.

2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.

2007-08-01  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md (TF in GPR splitter): Change operand_subword
        parameter to TFmode.

2007-07-16  Richard Guenther  <rguenther@suse.de>
            Uros Bizjak  <ubizjak@gmail.com>

        * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
        before forcing it to gimple operand.

2007-07-13  Paolo Bonzini  <bonzini@gnu.org>

        Revert these patches:

        2007-07-09  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/32004
        * function.c (rest_of_match_asm_constraints): Pass PROP_REG_INFO.

        2007-07-06  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/32004
        * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
        pass_match_asm_constraints): New.
        * passes.c (init_optimization_passes): Add new pass.
        * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
        * function.h (struct function): Add has_asm_statement bit.
        (current_function_has_asm_statement): New.
        * tree-pass.h (pass_match_asm_constraints): New.

2007-07-09  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/32004
        * function.c (rest_of_match_asm_constraints): Pass PROP_REG_INFO.

2007-07-09  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/32681
        * tree-if-conv.c (find_phi_replacement_condition): Use the condition
        saved in second_edge->aux when first_bb is a loop header.

2007-07-07 Anatoly Sokolov <aesok@post.ru>

        PR target/31331
        * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
        rather than a decl. 
        (avr_attribute_table): Make "naked" attribute apply to function types
        rather than to decls.
        (avr_handle_fntype_attribute): New function.

2007-07-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/32660
        Backport from mainline.
        * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
        (*vec_extractv2di_1_sse): New.

2007-07-06  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/32004
        * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
        pass_match_asm_constraints): New.
        * passes.c (init_optimization_passes): Add new pass.
        * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
        * function.h (struct function): Add has_asm_statement bit.
        (current_function_has_asm_statement): New.
        * tree-pass.h (pass_match_asm_constraints): New.

2007-07-06  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/32450
        * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
        to ensure that instructions are not moved into the prologue when
        profiling is on.

2007-07-04  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/31966
        PR tree-optimization/32533
        * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
        "basic_block" description as its third argument.  Update function
        calls to get destination bb from "edge" argument.  Save "cond" into
        aux field of the edge.  Update prototype for changed arguments.
        (if_convertible_loop_p): Clear aux field of incoming edges if bb
        contains phi node.
        (find_phi_replacement_condition): Operate on incoming edges, not
        on predecessor blocks.  If there is a condition saved in the
        incoming edge aux field, AND it with incoming bb predicate.
        Return source bb of the first edge.
        (clean_predicate_lists): Clean aux field of outgoing node edges.
        (tree_if_conversion): Do not initialize cond variable. Move
        variable declaration into the loop.
        (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
        initializations of new_stmt, arg0 and arg1 variables.

2007-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/32506
        Backport from mainline.
        * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
        predicate instead of target_operand.
        (divsi3_i1_media, divsi3_media_2): Likewise.

2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR target/28307
        * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
        (__gthrw_pragma): Provide default definition.
        (__gthrw2): Use it.
        * gthr-posix.c (__gthrw_pragma): Define.

2007-06-30  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
        limbo die nodes.

2007-06-28  Seongbae Park  <seongbae.park@gmail.com>

        * config/arm/arm.c (arm_get_frame_offsets): Set
        offsets->locals_base to avoid negative stack size.
        (thumb1_expand_prologue): Assert on negative stack size.

2007-06-28  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
        decl is non-external for AIX ABI.

2007-06-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (current_file_function_operand):
        Ensure the symbol is non-external for AIX ABI.

2007-06-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/32389
        * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
        * config/i386/i386.c (assign_386_stack_local): Assert that
        SLOT_VIRTUAL is valid only before virtual regs are instantiated.
        (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
        Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
        * config/i386/i386.md (truncdfsf2, truncxfsf2, truncxfdf2): Ditto.

2007-06-20  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/32109
        * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
        and !allows_mem.

        PR middle-end/32285
        * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
        if ACCUMULATE_OUTGOING_ARGS.

2007-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/28011
        Backport from mainline.
        * reload.c (push_reload): Set dont_share if IN appears in OUT
        also when IN is a PLUS rtx.
        (reg_overlap_mentioned_for_reload_p): Return true if X and IN
        are same PLUS rtx.

2007-06-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/32353
        * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.

2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (sparc_override_options): Initialize
        fpu mask correctly.

2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/32163
        Backport from mainline.
        * config/sh/sh.md (symGOT_load): Don't schedule insns when
        the symbol is generated with the stack protector.

2007-05-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        Backport from mainline:
        2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>

        * config/pa/pa.md: Split tgd_load, tld_load and tie_load
        into pic and non-pic versions. Mark r19 as used for 
        tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
        for tgd_load, tld_load and tie_load .
        * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
        version of tgd_load, tld_load and tie_load depending on the 
        value of flag_pic.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/31701
        Backport from mainline.
        * config/sh/sh.c (output_stack_adjust): Avoid using the frame
        register itself to hold the offset constant.  Tell flow the use
        of r4 and r5 when they are used.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/31480
        Backport from mainline.
        * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
        is null.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/31022
        Backport from mainline.
        * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
        instead of PATTERN.

2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/31691
        * combine.c (simplify_set): Build a new src pattern instead of
        substituting its operands in the COMPARE case.

2007-05-16  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-06-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26998
        * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
        of signed types, only TYPE_MIN_VALUE is special, but for both,
        minimum and maximum value.  Likewise VR_ANTI_RANGE is special
        in this case, as is -fwrapv.

2007-05-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/31876
        * config/sh/sh.md (andsi3): Avoid calling gen_lowpart on
        a SImode SUBREG of a floating point register.

2007-05-08  Andreas Krebbel  <krebbel1@de.ibm.com>

        * loop.c (move_movables): Remove REG_EQUAL notes for conditional
        invariants as well.

2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * reload.c (combine_reloads): When trying to use a dying register,
        check whether it's uninitialized and don't use if so.

2007-04-27  Ulrich Weigand  <uweigand@de.ibm.com>

        PR middle-end/30761
        * reload1.c (eliminate_regs_in_insn): In the single_set special
        case, attempt to re-recognize the insn before falling back to
        having reload fix it up.

2007-04-26  Ian Lance Taylor  <iant@google.com>

        PR target/28675
        * reload.c (find_reloads_subreg_address): If the address was valid
        in the original mode but not in the new mode, reload the whole
        address.

2007-04-25  Anatoly Sokolov <aesok@post.ru>

        PR target/18989
        * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.

2007-04-25  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-10-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/29446
        * tree-vrp.c (fix_equivalence_set): Remove.
        (extract_range_from_assert): Do not call fix_equivalence_set.
        (debug_value_range): Print a newline.
        (compare_name_with_value): For equivalence sets with
        inconsistent value ranges conservatively bail out.
        (compare_names): Likewise.

2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/31641
        * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
        argument of 0 for memset.
        (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
        unsigned shift instead of the signed variant.

2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/31448
        * expr.c (reduce_to_bit_field_precision): Handle
        CONST_INT rtx's.

2007-04-20  Richard Henderson  <rth@redhat.com>

        PR target/28623
        * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
        argument; update all callers.
        (get_unaligned_offset): New.
        * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
        get_unaligned_address, just pass on the address directly.
        (unaligned_extendqidi): Use gen_lowpart instead of open-coding
        the subreg in the helper patterns.
        (unaligned_extendqidi_le): Use get_unaligned_offset.
        (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
        (unaligned_extendhidi_be): Likewise.
        (unaligned_extendhidi): Tidy.
        * config/alpha/alpha-protos.h: Update.

2007-04-20  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux.h (CPP_SPEC): Undef before redefine.

2007-04-20  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
        for __builtin_ia32_cmpordss.

        PR tree-optimization/31632
        * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
        and arg1 for optimizations of comparison against min/max values.
        Fold arg0 to arg1's type for optimizations of comparison against
        min+1 and max-1 values.

2007-04-18  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (ptrreg_to_str): Replace error() with
        output_operand_lossage().

2007-04-17  Anatoly Sokolov <aesok@post.ru>

        PR target/30483
        * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
        error().

2007-04-16  Matthias Klose  <doko@debian.org>

        * config/alpha/linux.h (CPP_SPEC): Define.
        * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.

2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>

        * Backport from mainline:
        2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/31582
        * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
        copy of source, pass it to ix86_expand_vector_set and return
        it as target.

2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/30045
        * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
        non null.

2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30729
        * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
        effects unknown to this function, return early.

2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR c/31520
        * c-decl.c (finish_decl): Grab the type of the decl after the call
        to store_init_value.

2007-04-07  Anatoly Sokolov <aesok@post.ru>

        PR target/30289
        * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as 
        earlyclobber.

2007-04-05  Anatoly Sokolov <aesok@post.ru>

        PR target/25448
        * config/avr/avr.c (avr_handle_fndecl_attribute): Use the 
        DECL_ASSEMBLER_NAME, not the DECL_NAME.

2007-04-04  Richard Henderson  <rth@redhat.com>

        PR target/31361
        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove
        v8hi_ftype_v8hi_v2di, v4si_ftype_v4si_v2di.  Use like-types for
        the variable shift builtins.
        (ix86_expand_builtin): Properly expand the variable shift builtins.
        * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
        operand 2 be TImode.
        * config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32,
        _mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16,
        _mm_srli_epi32, _mm_srli_epi64): Turn into macros.
        (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
        (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
        _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
        two-vector shift builtins.

2007-04-02  Anatoly Sokolov <aesok@post.ru>

        PR target/31137
        * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.

2007-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * Backport from mainline:
        2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>

        PR target/31380
        * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.

2007-03-30  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_override_options): Clear 
        'flag_delete_null_pointer_checks'.

2007-03-21  Richard Henderson  <rth@redhat.com>

        PR target/31245
        * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
        * config/i386/mmintrin.h (__m64): Likewise.
        * config/i386/xmmintrin.h (__m128): Likewise.

2007-03-19  Seongbae Park <seongbae.park@gmail.com>

        PR tree-optimization/30590
        * tree-nrv.c (tree_nrv): Check for the partial update
        of the return value.

2007-03-19  Jeff Law  <law@redhat.com>

        * tree-cfg.c (find_taken_edge): Tighten conditions for
        optimizing computed gotos.

2007-03-19  Brooks Moses  <brooks.moses@codesourcery.com>

        * doc/extend.texi: Edit "gnu_inline" documentation.
        * doc/invoke.texi: Edit "-fgnu89-inline" documentation.

2007-03-19  Ian Lance Taylor  <iant@google.com>

        * c.opt (fgnu89-inline): New option.
        * c-opts.c (c_common_post_options): Warn about -fno-gnu89-inline.
        * c-common.c (c_common_attributes): Add gnu_inline attribyte.
        (handle_gnu_inline_attribute): New static function.
        * c-cppbuiltin.c (c_cpp_builtins): Define __GNUC_GNU_INLINE__.
        * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
        (C Dialect Options): Document -fgnu89-inline.
        * doc/extend.texi (Function Attributes): Document gnu_inline.
        (Inline): Mention that C99 inline will be implemented in 4.3.
        Refer to ways to get the old handling.
        * doc/cpp.texi (Common Predefined Macros): Document
        __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.

2007-03-17  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/29906
        * dwarf2out.c (force_type_die): Adjust comment.
        (dwarf2out_imported_module_or_decl): Handle base AT_import types.

2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (attr_length_call): Partially revert change of 2007-03-09.
        (output_call): Likewise.

2007-03-15  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2007-02-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/30364
        * fold-const.c (fold_binary): Do not associate expressions
        with more than one variable for integer types that do not wrap.

2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/31123
        * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
        two unamed patterns.
        
2007-03-12  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30433
        * fold-const.c (fold_relational_const): Add back compile-time
        evaluation of complex constant equality/inequality comparisons.

2007-03-12  Richard Henderson  <rth@redhat.com>

        PR target/26090
        * config/alpha/alpha.c (alpha_elf_select_section): New.
        (alpha_elf_unique_section, alpha_elf_section_type_flags): New.
        (alpha_elf_select_rtx_section): Force flag_pic true.
        (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
        (TARGET_SECTION_TYPE_FLAGS): New.

2007-03-12  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/29925
        * tree-data-ref.c (analyze_offset): Add a return value (bool) to
        indicate success/failure of the analysis. Add negation to subtrahend
        in case of subtraction. Fail if both operands contain constants.
        (create_data_ref): Fail if analyze_offset fails.

2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (attr_length_call): Revise condition for long pc-relative branch.
        (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
        calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
        SOM target.

2007-03-09  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/30643
        * cse.c (cse_insn): Recompute dest_hash after insert_regs for
        dest_addr_elt.

2007-03-08  Andreas Schwab  <schwab@suse.de>

        * c-common.c (fold_offsetof_1): Remove extra argument in recursive
        call.

2007-03-08  Volker Reichelt  <reichelt@netcologne.de>

        PR c++/30852
        * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.

2007-03-07  Richard Henderson  <rth@redhat.com>

        PR target/30848
        * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
        silently fix up the stack in the case of a missing register.

2007-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
        conversion.
        
2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: In unamed move patterns, disparge copies between general
        and floating point registers using '?' modifier.  Don't include 'f'
        constraint for register preferences in DImode, SImode, HImode and
        QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
        Remove constraints for copies between general and floating registers
        in soft-float DFmode pattern.
        (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
        floating register.
        (movsf): Likewise. 

2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/predicates.md (move_src_operand): Allow zero for mode.
        * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
        move pattern.

2007-02-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/30931
        * loop.c (combine_givs_p): Return false if either GIV is not
        always executed.

2007-02-21 Ira Rosen  <irar@il.ibm.com>

        * Makefile.in (tree-ssa-alias.o): Depend on pointer-set.h.

2007-02-20 Ira Rosen  <irar@il.ibm.com>

        * tree-ssa-alias.c: Include pointer-set.h. 
        (may_aliases_intersect): Use the correct type (varray) for
        may_aliases sets.

2007-02-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        Backport from mainline.
        PR rtl-optimization/29599
        * reload1.c (eliminate_regs_in_insn): Take the destination
        mode into account when computing the offset.

2007-02-18  Roger Sayle  <roger@eyesopen.com>

        Backport from mainline.
        PR middle-end/24427
        PR rtl-optimization/28173
        * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
        into (X,C2) if C1 is a subset of the bits of C2.  Transform
        (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
        (X&(C1&~C2))|C2.
        <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).

2007-02-18 Ira Rosen  <irar@il.ibm.com>

        * tree-ssa-alias.c (may_aliases_intersect): New function.
        * tree-data-ref.c (ptr_ptr_may_alias_p): Call may_aliases_intersect 
        for different tags.
        * tree-flow.h (may_aliases_intersect): Add function declaration.

2007-02-17  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/30823
        * tree-sra.c (sra_build_assignment): Drop type-checking assert.

2007-02-16  Guy Martin  <gmsoft@gentoo.org>

        * pa.md (tp_load): Correct mfctl instruction syntax.

2007-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/30787
        * loop.c (strength_reduce): Don't reduce giv that is not always
        executed and where add_val or mult_val can trap.

2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/27843
        * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
        nested double- and backquotes.

2007-02-15  Anatoly Sokolov <aesok@post.ru>

        PR target/19087
        * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
        
2007-02-15  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.

2007-02-15  Alexandre Oliva  <aoliva@redhat.com>

        * tree-sra.c (instantiate_missing_elements): Canonicalize
        bit-field types.
        (sra_build_assignment): New.
        (generate_copy_inout, generate_element_copy,
        generate_element_zero, generate_one_element_init): Use it.

2007-02-15  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/30189
        * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
        even if cv-qualification is the same.

2007-02-14  Eric Botcazou  <ebotcazou@adacore.com>
            Maxim Kuvyrkov <mkuvyrkov@ispras.ru>

        PR rtl-optimization/28772
        * Makefile.in (haifa-sched.o): Add dependency on $(PARAMS_H).

        Backport from mainline:
        2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>

        * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
        defaulting to 100.
        * params.h (MAX_SCHED_READY_INSNS): New macro.
        * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
        past MAX_SCHED_READY_INSNS during the first scheduling pass.
        (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
        the ready list for 1 cycle during the first scheduling pass.
        * doc/invoke.texi (--param): New parameter max-sched-ready-insns.

2007-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/30473
        * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
        sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).

2007-02-14  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2007-01-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/30313
        * passes.c (execute_one_pass): Reset in_gimple_form to not
        confuse non-unit-at-a-time mode.

2007-02-14  Mark Mitchell  <mark@codesourcery.com>

        * DEV-PHASE: Set to prerelease.
        * BASE-VER: Increment.

2007-02-13  Release Manager

        * GCC 4.1.2 released.

2007-02-06  Mark Mitchell  <mark@codesourcery.com>

        PR target/29487
        * tree.h (DECL_REPLACEABLE_P): New macro.
        * except.c (set_nothrow_function_flags): Likewise.

2007-02-06  Rask Ingemann Lamberisen  <rask@sygehus.dk>

        PR 30370 
        * config/rs6000/t-ppccomm: Correct Makefile typo.

2007-01-29  Josh Conner  <jconner@apple.com>

        PR middle-end/29683
        * calls.c (compute_argument_addresses): Set stack and stack_slot
        for partial args, too.
        (store_one_arg): Use locate.size.constant for the size when
        generating a save_area.

2007-01-28  Ralf Wildenhalf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/sourcebuild.texi: Add comma for clarity.
        * doc/extend.texi: Fix some typos.
        * doc/passes.texi: Likewise.
        * doc/cppinternals.texi: Likewise.
        * doc/c-tree.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/install.texi: Likewise.

2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/29329
        * combine.c (replaced_rhs_insn): Rename to i2mod.
        (replaced_rhs_value): Rename to i2mod_new_rhs.
        (i2mod_old_rhs): New global variable.
        (combine_instructions): Adjust for above change.  Save a copy of
        the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
        note are substituted in the second instruction.
        (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
        ditch the note if it pertains to the second eliminated register
        and this register is mentioned in i2mod_old_rhs.

        Revert:
        2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
        the insn to which the note was originally attached.

2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_move_double): Change array size of xoperands to 4.

2007-01-17  Tom Tromey  <tromey@redhat.com>

        * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
        * doc/install.texi (Testing): Use sourceware.org.
        (Binaries): Likewise.
        (Specific): Likewise.
        * doc/contrib.texi (Contributors): Use sourceware.org.

2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
        * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
        (ASM_OUTPUT_INTERNAL_LABEL): Define.

2007-01-09  Nicolas Pitre  <nico@cam.org>

        PR target/30173
        * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.

2007-01-08  Nick Clifton  <nickc@redhat.com>

        * config/frv/predicates.md (reg_or_0_operand): Accept
        CONST_DOUBLEs.

2007-01-06  Richard Sandiford  <richard@codesourcery.com>

        Backport from mainline:
        2006-05-23  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/27736
        * combine.c (replaced_rhs_value): New variable.
        (combine_instructions): Set it.
        (distribute_notes): When distributing a note in replaced_rhs_insn,
        check whether the value was used in replaced_rhs_value.

        2006-05-22  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/25514
        * combine.c (replaced_rhs_insn): New variable.
        (combine_instructions): Set replaced_rhs_insn when trying to replace
        a SET_SRC with a REG_EQUAL note.
        (distribute_notes): Use replaced_rhs_insn when determining the live
        range of a REG_DEAD register.

2007-01-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/30212
        * tree-vrp.c (adjust_range_with_scev): Do not adjust invalid
        ranges by using TYPE_MIN_VALUE or TYPE_MAX_VALUE.

2007-01-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/27826
        * tree.c (get_narrower): Do not construct COMPONENT_REFs
        with mismatched types.  Instead explicitly build a
        conversion NOP_EXPR.

2007-01-05  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-06-24  Jan Hubicka  <jh@suse.cz>

        PR c/25795
        PR c++/27369
        * craph.c (cgraph_varpool_nodes): Export.
        (decide_is_variable_needed): Do not worry about "used" attribute.
        * cgraph.h (cgraph_varpool_nodes): Declare.
        * cgraphunit.c (decide_is_function_needed): Do not worry about "used"
        attribute.
        (process_function_and_variable_attributes): New function.
        (cgraph_finalize_compilation_unit): Call it.
        * c-decl.c (finish_decl): Do not worry about used attribute.
        * c-common.c (handle_externally_visible_attribute): Only validate.

2007-01-05  Joel Brobecker  <brobecker@adacore.com>

        * doc/install.texi (Final install): Document the fact that
        the GNAT runtime should not be stripped.

2007-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR c/30360
        * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
        denom against 0.0.

        Backport from mainline:
        2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>

        PR c/25993
        * c-opts.c (c_common_handle_option): Ignore the -std options
        if the input language is assembly.

2007-01-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28116
        * tree-inline.c (copy_body_r): Mark argument of ADDR_EXPR
        addressable.

2007-01-05  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-10-15  Jan Hubicka  <jh@suse.cz>

        PR middle-end/29241
        * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
        declared always_inline even when not inlining.

2007-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/30286
        * fold-const.c (negate_expr): Don't call fold_build1
        for INTEGER_CST or REAL_CST.

2006-12-27  Ian Lance Taylor  <iant@google.com>

        PR debug/26964
        * dwarf2out.c (gen_type_die): Don't write out a DIE for
        ENUMERAL_TYPE if it was already written out.

2006-12-23  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (dbx_reg_number): Do leaf register remapping
        only if the function is leaf.
        (multiple_reg_loc_descriptor): Likewise.

        Backport from mainline:
        2006-05-13  Nick Clifton  <nickc@redhat.com>

        * dwarf2out.c (dbx_reg_number): Check return value from
        LEAF_REG_REMAP and only use it if it is valid.
        (multiple_reg_loc_descriptor): Likewise.

2006-12-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/30230
        * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
        (bundling): Use it.

2006-12-17  Matthias Klose  <doko@debian.org>

        PR libstdc++/11953
        * config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.

2006-12-16  Joseph Myers  <joseph@codesourcery.com>
            David Edelsohn  <edelsohn@gnu.org>

        PR target/24036
        * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
        HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
        * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
        HARD_REGNO_NREGS_WITH_PADDING): Define.
        * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
        HARD_REGNO_NREGS_WITH_PADDING): Define.
        * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
        Use new macros to detect modes with holes; do not look at integer
        units.
        (subreg_offset_representable_p): Check for and disallow cases
        where the modes use different numbers of bits from registers.
        * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
        constant for soft-float.
        (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
        containing doubles.
        (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
        in E500 double case.
        * config/rs6000/rs6000.md (movtf): Allow soft-float.
        (movtf_softfloat): New.

2006-12-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/30185
        * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
        force_reg call.

2006-12-12  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/11953
        * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.

        * config/ia64/linux.h (CPP_SPEC): Define.
        * config/s390/linux.h (CPP_SPEC): Define.

2006-12-12  Jim Wilson  <wilson@specifix.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/27761
        * combine.c (try_combine): Don't create a useless garbage SET
        if PATTERN (i2) is a PARALLEL.  If added_sets_1, save
        PATTERN (i1) resp. SET from i1src to i1dest in i1pat
        and use it to prevent accidental modification of i1src.

2006-12-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/30039
        * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
        patterns.  Correct length of high:DI instruction sequence.

2006-11-29  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/predicates.md (gpc_reg_operand): Check
        invalid_e500_subreg.
        * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
        SImode subregs of SPE vectors.
        * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
        * jump.c (true_regnum): Require subregs to satisfy
        subreg_offset_representable_p.

2006-11-29  Jie Zhang  <jie.zhang@analog.com>

        * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.

2006-11-29  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
        STRICT_ALIGNMENT and the type is more aligned than the saved
        registers, copy via a temporary.

2006-11-28  Joseph Myers  <joseph@codesourcery.com>

        * function.c (instantiate_virtual_regs_in_insn): Call force_reg
        inside start_sequence / end_sequence pair.

2006-11-27  Michael Matz  <matz@suse.de>
            Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/29319
        * config/s390/predicates.md (larl_operand): Check addend of larl
        operand to be in range of -/+2GB.
        * config/s390/s390.c (legitimize_pic_address): Likewise.  
        Changed type of variable even to HOST_WIDE_INT.

2006-11-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/29964
        * ipa-pure-const.c (check_tree): If the original tree
        is volatile return early and say the function is not pure
        nor const.  Remove the volatile check for writes.  
        (analyze_function): Print out the result of the local
        analysis pass.

2006-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/29736
        * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
        or UNION_TYPE inner types.

2006-11-24  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
        MASK_STRICT_ALIGN.
        * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
        * config/rs6000/rs6000.c (rs6000_override_options): Use
        MASK_STRICT_ALIGN for 8540 and 8548.  Add MASK_STRICT_ALIGN to
        POWERPC_MASKS.

2006-11-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390.c (s390_emit_compare_and_swap): New function.
        (s390_expand_cs_hqi, s390_expand_atomic): Call 
        s390_emit_compare_and_swap.

2006-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.

2006-11-22  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/spe.md (SPE64): New mode macro.
        (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0.  Add
        memory load.
        (mov_si<mode>_e500_subreg0_2): New.
        (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4.  Add
        memory load.
        (mov_si<mode>_e500_subreg4_2): New.
        * config/rs6000/predicates.md (input_operand): Do not allow
        invalid E500 subregs.
        (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
        if TARGET_SPE.
        * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
        involving DFmode if TARGET_E500_DOUBLE.  Check for subregs
        involving vector modes if TARGET_SPE.

2006-11-20  Anatoly Sokolov <aesok@post.ru>

        PR target/18553
        PR target/29449
        * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.

        * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.

2006-11-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/29114
        * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
        larger than BITS_PER_WORD.

2006-11-19  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-11-15  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/29753
        * gimplify.c (fold_indirect_ref_rhs): Use
        STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.

2006-11-19  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/28888
        * tree-if-conv.c (combine_blocks): Rewritten.
        * tree-cfg.c (tree_verify_flow_info): Check that edges with
        EDGE_TRUE/FALSE_VALUE follow COND_EXPR.

2006-11-18  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/spe.md (movv4hi_internal): Add alternative for
        easy vector constant loads.

2006-11-18  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __NO_LWSYNC__ if TARGET_NO_LWSYNC.
        * config/rs6000/sync.md (lwsync): Emit plain sync if
        TARGET_NO_LWSYNC.

2006-11-17  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/29788
        * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
        to what is the const decl is a place holder for.

2006-11-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/29584
        * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Don't
        optimize if DEF doesn't have integral type.

2006-11-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
        number of arguments passed to local functions in SSE registers is 3.

        * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
        number of arguments passed in SSE registers to 3.

2006-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/26306
        * gimplify.c (gimplify_expr): Only force a load for references to
        non-BLKmode volatile values.
        * doc/implement-c.texi (Qualifiers implementation): Document the
        interpretation of what a volatile access is.
        * doc/extend.texi (C++ Extensions): Rework same documentation.

2006-11-16  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
        memory operand.

2006-11-15  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_hpux_init_libfuncs):  Use HP-UX millicode
        routines for integer division.

2006-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/29581
        * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
        REPLACEMENTS, FIRSTBSI arguments.  If initial condition or
        type is different between Y and USE, create a temporary
        variable, initialize it at the beginning of the body bb
        and use it as replacement instead of Y.

2006-11-15  Richard Guenther  <rguenther@suse.de>

        Backport from mainline: 
        2006-11-12  Michael Matz  <matz@suse.de>
                    Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/29797
        * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
        BITS_BIG_ENDIAN targets.

2006-11-13  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
        style versions.
        * configure: Rebuilt.

2006-11-13  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-10-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/21032
        * convert.c (convert_to_real): Fold (float)-x to -(float)x
        only if not flag_rounding_math.

2006-11-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/28545
        * tree-vrp.c (replace_uses_by_vrp): New function.
        (remove_range_assertions): Use it.

2006-11-12  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
        instead of builtin_define for bfin and BFIN.

2006-11-11  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
        (NO_PROFILE_COUNTERS): Define as 1.

2006-11-09  Janis Johnson  <janis187@us.ibm.com>

        Backports from mainline.
        * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail,
        output-exists and output-exists-not.

2006-11-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/29610
        * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
        of tree_purge_dead_eh_edges as it may free dominators.

        * g++.dg/other/pr29610.C: New testcase.

2006-11-07  Jie Zhang  <jie.zhang@analog.com>

        * gcc.c (process_command): Treat -b as normal switch if its argument
        has no dash.

2006-11-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/29695
        * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
        simplification.

2006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build

        (sparc64-sun-solaris2*): Likewise.

2006-11-02  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/27891
        * tree-ssa-loop-ivopts.c (rewrite_use_outer): Do not insert code
        on abnormal edge.

2006-11-01  David Edelsohn  <edelsohn@gnu.org>
            Ian Lance Taylor  <ian@airs.com>

        PR middle-end/29250
        * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
        CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
        recursing.

2006-11-01  Chris Johns <chris@contemporary.net.au>

        PR bootstrap/28400
        * Makefile.in (install-driver): Use exeext when installing
        $target-gcc-$version.
        
2006-11-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28970
        * loop.c (loop_giv_reduce_benefit): Take the max of the addition
        cost on all the increments of the BIV.

2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.

2006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/29631
        * loop.c (basic_induction_var): Add new parameter inner_mode.
        <PLUS>: If set, convert the increment to it before sign-extending.
        <CONST_INT>: Likewise.
        <SUBREG>: Set it.
        <ASHIFTRT>: Likewise.  Return 0 if flag_wrapv.
        (check_insn_for_bivs): Pass VOIDmode as inner_mode to above.

2006-10-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/29637
        * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
        of the innertype is the innertype itself.

2006-10-28 Uros Bizjak <uros@kss-loka.si>

        PR target/29377
        * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
        argument to HOST_WIDE_INT.  Update function prototype.
        (round_frame_size): Change return type to HOST_WIDE_INT.  Change
        "size" argument to HOST_WIDE_INT.  Update function prototype.

2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_init_frame_layout): Check positive
        frame_size.

2006-10-25  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
        Add unix98.o to link line.

2006-10-25  Paolo Bonzini  <bonzini@gnu.org>

        PR c/29092
        * c-typeck.c (digest_init): Always allow initializing vectors
        that have static storage duration with compound literals.
        * tree.c (build_type_attribute_qual_variant): New, based on
        build_type_attribute_variant.
        (build_type_attribute_variant): Rewrite using the former.
        (make_vector_type): Use build_type_attribute_qual_variant to build
        type variants.  Use type_hash_canon on the others.

2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/predicates.md ("bras_sym_operand"): Do not accept
        nonlocal function symbols if flag_pic.

2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (add_double): Rename to add_double_with_sign.
        Add 'unsigned_p' parameter and take it into account for the overflow.
        (mul_double): Rename to mul_double_with_sign. 
        Add 'unsigned_p' parameter and take it into account for the overflow.
        (fold_div_compare): Call add_double_with_sign instead of add_double
        and mul_double_with_sign instead of mul_double, passing them the
        unsignedness of the type.
        * tree.h (add_double): Macroize.
        (add_double_with_sign): New prototype.
        (mul_double): Macroize.
        (mul_double_with_sign): New prototype.

2006-10-19 Ira Rosen  <irar@il.ibm.com>

        Backport from mainline:
        2006-08-07  Victor Kaplansky <victork@il.ibm.com>

        PR tree-optimization/26969
        * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
        with an empty list of PHIs.

2006-10-18  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>

        PR gcov/profile/26570
        * value-prof.c (static_values): Removed.
        (tree_find_values_to_profile): Do not set static_values.
        (find_values_to_profile): Do not free static_values.
        * profile.c (instrument_values): Do not free the values.
        (branch_prob): Free the values.

2006-10-18  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-05-11  Jan Hubicka  <jh@suse.cz>

        PR debug/26881
        * Makefile.in (gt-cgraphunit.h): Add.
        * cgraphunit.c: Include gt-cgraphunit.h.
        (local_static_output): New static vector.
        (cgraph_varpool_assemble_decl): Defer outputting debug info
        for local statics to...
        (cgraph_varpool_debug_local_statics): ... here.
        (cgraph_optimize): Use it.

2006-10-18  Richard Guenther  <rguenther@suse.de>

        * except.c (set_nothrow_function_flags): Fix return value.

2006-10-17  Paul Brook  <paul@codesourcery.com>

        Backport from mainline:
        * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.

2006-10-16  Richard Guenther  <rguenther@suse.de>

        PR target/28960
        Backport from mainline:
        2006-08-23  Stuart Hastings  <stuart@apple.com>

        PR target/28825
        * config/i386/i386.c (ix86_expand_vector_init_duplicate,
        ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.

2006-10-16  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-10-10  Richard Guenther  <rguenther@suse.de>

        PR inline-asm/29119
        * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
        addressable.

2006-10-16  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
                    Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/27184
        * tree.c (build_array_type): Unify array types with
        unspecified index_type.
        * c-decl.c (grokdeclarator): Make sure we do not modify a
        unified incomplete array type.
        * c-typeck.c (store_init_value): Create distinct type before
        filling in the index type in an initializer from a compound
        literal.

        * c-decl.c (grokdeclarator): Remove code where we copy the
        array type over.

2006-10-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/29091
        * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
        the number of vector elements fill the rest with zeros.

2006-10-16  Richard Guenther  <rguenther@suse.de>

        PR target/25519
        * doc/extend.texi (X86 Built-in Functions): Fix typos in
        SSE builtin documentation.  Document SSE2 builtins.

2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
        symbol in the output file for non-shared links when -nostdlib or
        -nodefaultlibs isn't specified.

        * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
        posix thread support.

2006-10-14  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/29323
        * except.c (set_nothrow_function_flags): For functions
        that do not bind local bail out early.

2006-10-14  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/athlon.md (athlon_fist): Add fisttp.

2006-10-12  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
        emit_insn to emit eh_return_internal instruction.
        (eh_return_internal): Explicitly set pc.

2006-10-06  Steve Ellcey  <sje@cup.hp.com>

        PR target/28490
        Backport from mainline
        2006-09-15  Jim Wilson  <wilson@specifix.com>
        2006-09-19  Steve Ellcey  <sje@cup.hp.com>
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
        pointers as legitimate constants.  Handle symbol offsets same as
        they are handled in ia64_expand_move and move_operand.

2006-10-06  Jakub Jelinek  <jakub@redhat.com>

        * tree-loop-linear.c (linear_transform_loops): Don't forget to
        free DEPENDENCE_RELATIONS and DATAREFS.

        PR target/28924
        * builtins.c (expand_builtin_sync_operation,
        expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
        Use convert_to_mode to handle promoted arguments.

2006-10-05  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
        "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
        Use <modeconstraint> instead of "r" as operand 1 constraint.

2006-10-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/29290
        * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
        multiple exits.

        PR target/29198
        * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
        * config/i386/predicates.md (local_symbolic_operand): Likewise.

2006-10-05  David Edelsohn  <edelsohn@gnu.org>

        Backport from mainline
        2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
                    David Edelsohn  <edelsohn@gnu.org>

        PR target/27287
        * config/rs6000/spe.md (frob_df_di): Remove %H.
        (frob_di_df): Remove %H.  Change evmergelo to mr.
        (frob_di_df_2): Remove %H.  Change evldd to two loads.

2006-10-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/28980
        * dwarf2out.c (loc_descriptor_from_tree_1): Handle
        FUNCTION_DECL.

2006-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/27490
        PR c/27489
        * c-typeck.c (build_compound_expr): If the second expression
        is an error mark, then just return an error mark instead of
        creating a COMPOUND_EXPR.

2006-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/28952
        * tree-vect-transform.c (vectorizable_condition): Move the check
        for the type after the check for simple condition.

2006-10-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/28862
        * stor-layout.c (relayout_decl): Don't zero the alignment if it
        was set by the user.

2006-10-02  Jakub Jelinek  <jakub@redhat.com>

        Backport from mainline
        2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>

        * config/s390/s390.c (legitimize_pic_address): Assertions checking
        for non tls symbols added.
        (legitimize_address): Do nothing for PLUS expressions if one of the
        addends is a tls symbol reference.

2006-10-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/29154
        * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
        side effects after the outer expression's post side effects.

2006-09-27  Paul Brook  <paul@codesourcery.com>

        PR target/29230
        Backport from mainline.
        * config/arm/arm.md (arith_adjacentmem): Handle large offsets.

2006-09-25  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Add missing full stop.

2006-09-24  Roger Sayle  <roger@eyesopen.com>

        PR debug/29132
        Backport from mainline
        * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
        dw_fde_current_label, to be the start of the function, i.e. the same
        value as dw_fde_begin.

2006-09-20  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/26983
        Backport from mainline
        * builtins.c (expand_builtin_setjmp): Force next_lab to be
        preserved.

2006-09-20  Paul Brook  <paul@codesourcery.com>

        Backport from mainline.
        * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
        positive offsets.

2006-09-18  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/4520
        Backport from mainline
        * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
        and symbols.  Instead use the implementation from cse.c's hash_rtx.

2006-09-18  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        PR tree-optimization/28900
        * tree-if-conv.c (find_phi_replacement_condition): Gimplify
        compound conditional before creating COND_EXPR condition.

2006-09-18  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        J"orn Rennecke  <joern.rennecke@st.com>
        Richard Guenther  <rguenther@suse.de>
        Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/27226
        * builtins.c (get_pointer_alignment): Handle more forms
        of base addresses that can be used to derive more precise
        information about alignment.

2006-09-15 Uros Bizjak <uros@kss-loka.si>

        PR target/28946
        * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
        "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
        "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
        "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
        "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
        "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
        "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
        "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
        "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
        implement only CC setting effects of shift instructions.

2006-09-14  Jason Merrill  <jason@redhat.com>

        PR middle-end/28493
        * builtins.c (expand_builtin_setjmp_receiver): Clobber
        hard_frame_pointer_rtx after using it to update the frame pointer.

2006-09-14  Anatoly Sokolov <aesok@post.ru>

        PR target/26504
        * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.

2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
        for -Os. Update __m128 alignment requirement.

2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28243
        * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
        the insn to which the note was originally attached.

2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/13685
        PR target/27537
        PR target/28621
        * config/i386/i386.c (override_options): Always default to 16
        byte stack boundary.

2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28726
        * sched-deps.c (sched_analyze_reg): New function extracted from...
        (sched_analyze_1): ...here.  Call it to analyze references to
        registers.  Treat again writes to a stack register as writing to the
        register.
        (sched_analyze_2): ...and here.  Call it to analyze references to
        registers.  Treat again reads of a stack register as reading the
        register.

2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>

        * doc/cpp.texi: Fix names of charset options.

2006-09-10  Roger Sayle  <roger@eyesopen.com>
            Nicolas Setton <setton@adacore.com>

        Backport from mainline
        * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.

2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28636
        * combine.c (force_to_mode): Test for side-effects before
        substituting by zero.
        (simplify_shift_const): Likewise for zero or other constants.

2006-09-10  Richard Sandiford  <richard@codesourcery.com>

        PR target/29006
        * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
        * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
        returned by mode_for_size, rather than the mode of src itself,
        to choose between 32-bit and 64-bit patterns.
        (mips_mem_fits_mode_p): New function.
        * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
        that the size of the source matches the size of the destination.
        (mov_<store>l, mov_<store>r): Likewise.

2006-09-10  Richard Sandiford  <richard@codesourcery.com>

        PR target/27681

        Backport from mainline:

        2006-05-23  Richard Sandiford  <richard@codesourcery.com>

        * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
        (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
        MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.

        2006-05-22  Richard Sandiford  <richard@codesourcery.com>

        * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.

        2006-05-19  Richard Sandiford  <richard@codesourcery.com>

        * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
        libgcc2.h.
        (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
        MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
        LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
        * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
        Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
        determine the size of Wtype, etc.
        * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
        (swfloatfuncs): New variable.
        (dwfloatfuncs): Likewise.
        (lib2funcs): Remove floating-point conversion functions from
        initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
        the set of conversion routines needed.  Allow entries to specify
        an object name, filename and word size.  Update users accordingly.
        * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
        * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.

        Revert:

        2006-02-08  Roger Sayle  <roger@eyesopen.com>

        PR target/22209
        * config/fixtfdi.c: New libgcc source file.
        * config/fixunstfdi.c: New source file.
        * config/floatditf.c: New source file.
        * config/floatunditf.c: New souce file.
        * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
        files above instead of config/mips/_tilib.c.
        * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.

2006-09-09  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/28634
        * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
        for floating-point modes unless flag_unsafe_math_optimizations.

2006-09-07  Jason Merrill  <jason@redhat.com>

        PR middle-end/27724
        * varasm.c (output_constant): Only strip actual no-op conversions.

2006-09-06  Matthias Klose  <doko@debian.org>

        PR bootstrap/26764
        PR bootstrap/27334
        * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
        strings.

2006-09-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/28386
        * loop.c (biased_biv_may_wrap_p): Rename to biv_may_wrap_p and
        remove 'bias' parameter.
        (maybe_eliminate_biv_1): Adjust for above change.

2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/27616
        * cse.c (table_size): New static variable.
        (new_basic_block): Initialize it to 0.
        (remove_from_table): Decrement it.
        (insert): Increment it.
        (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
        (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
        fold_rtx_mem_1 if under the cap.
        (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
        the lookup of the equivalent expression and test for equality of the
        first operand of the equivalent expression before in turn looking up
        an equivalent constant for the second operand.

2006-09-01  Richard Guenther  <rguenther@suse.de>

        Backport from mainline:
        PR middle-end/28814
        * fold-const.c (fold_binary): Fold temporary to correct
        type before constructing new comparison.

2006-09-01  Roger Sayle  <roger@eyesopen.com>

        PR other/22313
        * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
        NULL, otherwise use an advance_loc4 to adjust relative to the 
        current label.
        (output_cfi) <DW_CFA_set_loc>: Update the current label.
        (dwarf2out_switch_text_section): Reset the current label to avoid
        using advance_loc4 over section boundaries.

2006-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/28683
        * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
        3 following insns.

2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/24367
        * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
        r12 + SYMBOLIC_CONST.

2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/27893
        * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval):
        Treat sizes as variable whenever not INTEGER_CST.

2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>

        PR c/28418
        * c-gimplify.c (gimplify_compound_literal_expr): Don't add
        variable again if DECL_SEEN_IN_BIND_EXPR_P.

2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/28299
        * c-decl.c (start_function): Don't try to process prototype
        information from old declaration that isn't a function.

2006-08-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/27558
        Backport:
        2006-04-20  Jakub Jelinek  <jakub@redhat.com>
        * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
        TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
        than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).

2006-08-25  Alan Modra  <amodra@bigpond.net.au>

        PR target/27075
        * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
        for 8 byte objects.

2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
        necessary places to pass the correct "number of registers" values
        to _Unwind_VRS_Pop.

2006-08-18  Joseph Myers  <joseph@codesourcery.com>

        PR target/27565
        * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
        alignment of SPE vector types.

2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>

        PR middle-end/25211
        PR middle-end/20256
        PR middle-end/26435
        * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
        Call rewrite_into_loop_closed_ssa only when something changed.
        * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
        * lambda-code.c (can_convert_to_perfect_nest): Declared.
        (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
        Test for perfect_nest_p here.  Fix formating.
        (replace_uses_equiv_to_x_with_y): Fix formating.
        (stmt_uses_op): Removed.
        (can_convert_to_perfect_nest): Removed loopivs parameter.
        Complete the test by checking the scalar dependences.
        (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
        Fix formating.  Don't copy statements in the inner loop: move them to
        the inner loop header.

2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/27697
        * c-typeck.c (build_component_ref): Combine qualifiers of
        structure or union and field.

2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/28649
        * c-parser.c (c_parser_compound_statement_nostart): Reset
        parser->error after each statement.

2006-08-14  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/28075
        * tree-inline.c (setup_one_parameter): Strip useless
        type conversion before adding it to the IR.
        (declare_return_variable): Likewise.

2006-08-13  Andrew MacLeod  <amacleod@redhat.com>

        PR middle-end/27793
        * tree-dfa.c (add_referenced_var): Assert DECL_UID is unique for
        different decls.

2006-08-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/28677
        Revert:
        2006-06-06  Andrew MacLeod  <amacleod@redhat.com>
        PR middle-end/27793
        * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate 
        referenced_variables with matching DECL_UID's.
        (find_referenced_vars): Make sure duplicate list is empty to start.
        (add_referenced_var): Add var to duplicate list if required.
        * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
        * tree-flow.h (referenced_vars_dup_list): External declaration.

2006-08-13  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Fix spelling errors.

2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23454
        * reorg.c (relax_delay_slots): Update comment.

2006-08-11  Paolo Bonzini  <bonzini@gnu.org>

        PR target/27827
        * config/i386/i386.md: Add peephole2 to avoid "fld %st"
        instructions.

2006-08-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28651
        * simplify-rtx.c (simplify_const_relational_operation):
        Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
        codes.

2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/27721
        * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.

        PR c/28136
        * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.

2006-08-03  Mark Mitchell  <mark@codesourcery.com>

        PR c++/28148
        * varasm.c (output_constant): Give the front end another chance to
        expand constants, after stripping NOPs.

2006-08-03  David Edelsohn  <edelsohn@gnu.org>

        Backport from mainline
        PR target/27566
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
        not reload a SPE symbol_ref into a lo_sum address.

2006-08-03  Steve Ellcey  <sje@cup.hp.com>

        PR rtl-optimization/28221
        Backport from mainline.
        2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
        * loop-doloop.c (add_test): Only add jump note if we did emit a jump.
        2006-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
        PR rtl-optimization/27291
        * loop-doloop.c (add_test, doloop_modify): Handle the case condition
        is folded to a constant.

2006-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c++/28257
        PR c++/28259
        PR c++/28267
        * toplev.c (compile_file): Return early on errorcount or sorrycount.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
        (cgraph_optimize): Likewise.

2006-08-02  Janis Johnson  <janis187@us.ibm.com>

        Backport from mainline
        * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.

2006-08-01  Steven Bosscher  <steven@gcc.gnu.org>

        PR debug/25468
        Backport from mainline
        * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
        Cache the last found '\0' marker to avoid quadratic behavior.

2006-07-29  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/28473
        Backport from mainline
        * convert.c (convert_to_integer): When transforming (T)foo(x) into
        bar(x) check that bar's result type can represent all the values of T.
        * builtins.c (fold_fixed_mathfn): When long and long long are the
        same size, canonicalize llceil*, llfloor*, llround* and llrint*
        functions to their lceil*, lfloor*, lround* and lrint* forms.

2006-07-26  David delsohn  <edelsohn@gnu.org>

        Backport from mainline
        2006-07-14  Eliot Dresselhaus  <eliot@sonic.net>

        PR target/27287
        * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.

        2006-07-06  David Edelsohn  <edelsohn@gnu.org>

        PR target/28150
        * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
        PRE_{INC,DEC} of TFmode.

        2006-07-06  David Edelsohn  <edelsohn@gnu.org>
                    Alan Modra  <amodra@bigpond.net.au>

        PR target/28170
        * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
        bounds. Simplify.

2006-07-26  Richard Sandiford  <richard@codesourcery.com>

        PR middle-end/28403
        * optabs.c (expand_doubleword_shift): Wrap the call to
        do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.

2006-07-26  Richard Sandiford  <richard@codesourcery.com>

        PR middle-end/28402
        * optabs.c (expand_binop): Pass next_methods rather than methods
        to expand_doubleword_shift.

2006-07-25  Zdenek Dvorak <dvorakz@suse.cz>

        * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.

2006-07-24  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2006-07-17  Zdenek Dvorak <dvorakz@suse.cz>

        * tree-chrec.c (avoid_arithmetics_in_type_p): New.
        (convert_affine_scev, chrec_convert_aggressive): Use
        avoid_arithmetics_in_type_p.  Do not check for the subtypes
        separately.

2006-07-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28238
        * tree-inline.c (copy_bb): Check if we produced valid
        gimple copying and substituting a stmt.  If not, gimplify
        it.

2006-07-24  Toon Moene  <toon@moene.indiv.nluug.nl>

        * doc/invoke.texi: Remove mention of f77; Reformat table for
        inline parameter options correctly; mention that -malign-double
        is default on x86-64 targets.

2006-07-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27795
        PR tree-optimization/27639
        PR tree-optimization/26719
        Backport from mainline
        2006-05-24  Zdenek Dvorak <dvorakz@suse.cz>

        * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
        call to scev_probably_wraps_p.
        * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
        used_in_pointer_arithmetic_p, convert_step): Removed.
        (nowrap_type_p): New function.
        (scev_probably_wraps_p): Rewritten.
        * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
        chrec_convert if chrec_convert_aggressive might have been used.
        * tree-chrec.c (convert_affine_scev, chrec_convert_1,
        scev_direction): New functions.
        (chrec_convert): Changed to a wrapper over chrec_convert_1.
        * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
        instead of convert_step.
        * tree-flow.h (scev_probably_wraps_p): Declaration changed.
        (convert_step): Declaration removed.
        (convert_affine_scev, nowrap_type_p, scev_direction): Declare.

2006-07-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28029
        Backport
        2006-02-15 Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
        specially here.

2006-07-24  Roger Sayle  <roger@eyesopen.com>

        PR target/28247
        * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
        mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
        the __gthrw form of thr_keycreate.
        (__gthread_key_delete): Silence the unused argument warning.

2006-07-21  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/28283
        * expmed.c (expand_shift): Additionally check that the shift_cost
        is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
        before implementing a LSHIFT_EXPR as a sequence of additions.
        * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
        middle-end that DImode shifts need to be synthesized by expand.

2006-07-20  Richard Henderson  <rth@redhat.com>

        PR 27889
        * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
        if needed.

2006-07-20  Paul Brook  <paul@codesourcery.com>

        Backport from mainline.
        PR 27363
        * cse.c (cse_insn): Add destination addresses to hash table. Check if
        they are invalidated by this instruction.

2006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/28286
        * c-pragma.c (handle_pragma_pack): Handle invalid constants.

2006-07-18  Andrew Haley  <aph@redhat.com>

        PR tree-optimization/19505
        * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
        edge leaving this block, make sure that the destination of this
        block has only one predecessor.

2006-07-18  Alexandre Oliva  <aoliva@redhat.com>

        PR c/26993
        * c-common.c (handle_weakref_attribute): Ignore attribute in
        the same conditions the alias attribute is ignored.

2006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.

2006-07-12  Paolo Carlini  <pcarlini@suse.de>

        PR libstdc++/27878
        * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
        x < 19, vs wchar_t support.

2006-07-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28187
        * tree-vrp.c (vrp_operand_equal_p): New function.
        (vrp_bitmap_equal_p): Likewise.
        (update_value_range): Use them to compare old and new
        max and min values.

2006-07-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28162
        * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
        make sure to convert the operands to the correct type.

2006-07-08  Matthias Klose  <doko@debian.org>

        * doc/sourcebuild.texi: Fix typo.

2006-07-05  Jason Merrill  <jason@redhat.com>

        PR c++/13983
        PR c++/17519
        * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.

2006-07-04  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/28218

        * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
        to calculate and free the dominator information.
            
2006-07-04  Peter O'Gorman  <peter@pogma.com>

        * mklibgcc.in: chmod 644 before ranlib during install.

2006-07-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/26991
        Backport from mainline
        2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR rtl-optimization/25636
        * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
        when deciding whether an insn is an initializing insn.

2006-07-04  Alan Modra  <amodra@bigpond.net.au>

        PR target/28207
        * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
        128-bit IBM long doubles for ABI_V4.

2006-07-03  Pete Steinmetz  <steinmtz@us.ibm.com>

        Backport from mainline
        * doc/invoke.texi: Add cpu_type power6.
        * config.gcc: Add cpu_type power6.
        * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
        to power5+ with Altivec.
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.

2006-07-01  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/27428
        * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
        to indicate the cpplib has issued an error message for us.

2006-07-01  Martin Michlmayr  <tbm@cyrius.com>

        * doc/gcov.texi (Invoking Gcov): Add a missing word.

2006-06-28  Jason Merrill  <jason@redhat.com>

        PR c++/27768
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
        may_aliases already in the tag's annotations to the bitmap.

2006-06-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/28151
        * fold-const.c (const_binop): Be prepared for self returning zero.
        Simplify code handling complex values.

2006-06-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/28045
        * fold-const.c (operand_equal_p): Check if the argument types
        have the same precision before stripping NOPs.

2006-06-21  Richard Henderson  <rth@redhat.com>

        PR target/26347
        PR target/27082
        * config/alpha/predicates.md (small_symbolic_operand): Deny weak
        symbols.
        (global_symbolic_operand): Allow weak symbols, even if local_p.

2006-06-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27781
        * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
        * ipa-pure-const.c (target.h): Include.
        (analyze_function): Do not analyze functions that do not
        bind locally.

2006-06-21  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (mergeable_string_section): Check for embedded NULs and
        NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
        rather than TREE_STRING_LENGTH bytes.

2006-06-20  Roger Sayle  <roger@eyesopen.com>

        PR target/27861
        * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
        have stripped a SUBREG from the shift count, so we may need to
        convert_to_mode back to the type's mode before calling make_tree.
        Use new_amount instead of amount to avoid expanding a tree twice.

2006-06-18  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/27802
        * reg-stack.c (subst_stack_regs): Handle noreturn function calls
        that (would) return their results in stack registers.

2006-06-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27830
        * tree-inline.c (copy_body_r): For copying the operand
        of an ADDR_EXPR make sure to fold &* afterwards.

2006-06-14  Roger Sayle  <roger@eyesopen.com>

        PR target/27858
        Revert incorrect fix for PR target/27158
        2006-05-11  Roger Sayle  <roger@eyesopen.com>
        * reload.c (find_reloads_toplev): Only return the simplified SUBREG
        of a reg_equiv_constant if the result is a legitimate constant.

2006-06-14  Roger Sayle  <roger@eyesopen.com>

        PR target/27158
        * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
        extract a CONST_VECTOR element and interpret it as an integer.
        (vspltis_constant): Use const_vector_elt_as_int instead of the
        macro CONST_VECTOR_ELT in order to handle FP vector modes.
        * config/rs6000/predicates.md (easy_vector_const): Consider
        floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.

2006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR middle-end/27959
        * reload1.c (reload): Remove registers returned by update_eliminables
        from used_spill_regs.

2005-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR bootstrap/22541
        From Dan Kegel <dank@kegel.com>:
        * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.

2006-06-13  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/27733
        * expmed.c (struct alg_hash_entry): Fix type of field T
        to match synth_mult argument.
        (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.

2006-06-12  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR target/27421
        * config/i386/i386.c (classify_argument): Skip fields with invalid
        types in unions.

2006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/mips/t-rtems: Add EL/EB multilib variants.

2006-06-07  Uros Bizjak  <uros@kss-loka.si>

        PR target/27790
        * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
        into register for (code == GTU).

2006-06-06  Andrew MacLeod  <amacleod@redhat.com>

        PR middle-end/27793
        * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate 
        referenced_variables with matching DECL_UID's.
        (find_referenced_vars): Make sure duplicate list is empty to start.
        (add_referenced_var): Add var to duplicate list if required.
        * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
        * tree-flow.h (referenced_vars_dup_list): External declaration.

2006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/27842
        * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
        ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
        ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
        V4SImode temporaries and operations instead.

2006-06-05  Roger Sayle  <roger@eyesopen.com>

        PR target/26223
        * config/i386/i386.c (construct_container): Split static issued_error
        flag into issued_sse_arg_error, issued_sse_ret_error and
        issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
        requires the use of x87 registers and the user explicitly
        specified the -mno-80387 command line option.

2006-06-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/25161
        PR c/27020
        * c-decl.c (grokdeclarator): Disallow variably modified types at
        file scope.  Avoid marking shared array type of constant size as
        VLA.

2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c++/27601
        * c-common.c (fold_offsetof_1): Handle static members.

2006-06-01  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
        fp regs if the last fp arg doesn't fit in regs.

2006-05-31  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (bfin_delegitimize_address): New.
        (TARGET_DELEGITIMIZE_ADDRESS): Define.

2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/27718
        * c-typeck.c (c_expr_sizeof_type): Handle invalid types.

2006-05-29  Diego Novillo  <dnovillo@redhat.com>

        PR 26242
        * passes.texi: Add documentation for pass_vrp,
        pass_fre, pass_store_ccp, pass_copy_prop,
        pass_store_copy_prop, pass_merge_phi, pass_nrv,
        pass_return_slot, pass_object_sizes, pass_lim,
        pass_linear_transform, pass_empty_loop, pass_complete_unroll,
        and pass_stdarg.

2006-05-29  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c++/27451
        * stmt.c (expand_asm_operands): Skip asm statement with erroneous
        clobbers.

        PR c/26818
        * c-decl.c (finish_struct): Skip erroneous fields.

2006-05-28  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/26622.
        * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
        on arg1.

2006-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
        is enabled at -O and above.

2006-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/27758
        Backported from mainline
        2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/25758
        * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
        Use output_addr_const instead of assemble_name.

2006-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/27743
        * fold-const.c (fold_binary): Do not look at the stripped
        op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.

2006-05-24  Mark Mitchell  <mark@codesourcery.com>

        * DEV-PHASE: Set to prerelease.
        * BASE-VER: Increment.

2006-05-24  Release Manager

        * GCC 4.1.1 released.

2006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Configuration): Remove reference to CrossGCC
        FAQ which was gone.
        (Building): Ditto.

2006-05-17  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in: Undo the last 2 changes.
        * optc-gen.awk: Likewise.

        * common.opt: Undo the last change.
        * doc/options.texi: Likewise.
        * gcc.c: Likewise.
        * opts.c: Likewise.
        * opts.h: Likewise.

        * opts-common.c: Removed.

2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR middle-end/27620
        * expr.c (safe_from_p): Handle CONSTRUCTOR again.

2006-05-17  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/27548
        * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
        range of ssa names that appear on abnormal edges.
        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
        * tree-flow.h (contains_abnormal_ssa_name_p): Declare.

2006-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/27549
        Backported from mainline

        2006-05-01  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/27283
        * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
        not whole # of iteration descriptions.
        (niter_for_exit): Return just # of iterations.  Fail if # of iterations
        uses abnormal ssa name.
        (niter_for_single_dom_exit): Ditto.
        (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
        return just the number of iterations.
        (add_iv_outer_candidates, may_replace_final_value): Likewise.

2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
        (gcc-options.o): New rule.

        * optc-gen.awk: Protect variables for gcc-options.o with
        #ifdef GCC_DRIVER/#endif.

2006-05-16  Roger Sayle  <roger@eyesopen.com>

        PR target/26600
        * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
        integer constants other than zero are only legitimate on TARGET_64BIT.
        <CONST_VECTOR> Only zero vectors are legitimate.
        (ix86_cannot_force_const_mem): Integral and vector constants can
        always be put in the constant pool.

2006-05-16  Andrew MacLeod  <amacleod@redhat.com>

        PR c++/26757
        * tree-dfa.c (struct walk_state): Remove.
        (add_referenced_var): Change Parameters.
        (find_referenced_vars): Done use a walk_state.
        (find_vars_r): Unused parameter and change parms to add_referenced_var.
        (referenced_var_insert): Assert same UID has not been inserted.
        (add_referenced_var): Check if var exists via referenced_var table.
        (get_virtual_var): Call add_referenced_var with new parameter.

2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/26885
        * Makefile.in (GCC_OBJS): New.
        (OBJS-common): Add opts-common.o.
        (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
        (cpp$(exeext)): Likewise.
        (gcc.o): Also depend on opts.h.
        (opts-common.o): New.

        * common.opt (gcoff): Add Negative(gdwarf-2).
        (gdwarf-2): Add Negative(gstabs).
        (gstabs): Add Negative(gstabs+).
        (gstabs+): Add Negative(gvms).
        (gvms): Add Negative(gxcoff).
        (gxcoff): Add Negative(gxcoff+).
        (gxcoff+): Add Negative(gcoff).
        * config/i386/i386.opt (m32): Add Negative(m64).
        (m64): Add Negative(m32).

        * doc/options.texi: Document the Negative option.

        * gcc.c: Include "opts.h".
        (main): Call prune_options after expandargv.

        * optc-gen.awk: Generate common declarations for all flag
        variables in options.c. Output the neg_index field.

        * opts.c (find_opt): Moved to ...
        * opts-common.c: Here. New file.

        * opts.h (cl_option): Add a neg_index field.
        (find_opt): New.
        (prune_options): Likewise.

2006-05-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27603
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Do computation in original type, do division only for nonzero
        steps.

2006-05-15  Andreas Krebbel  <krebbel1@de.ibm.com>

        * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
        machines.

2006-05-15  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR rtl-optimization/14261
        * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
        move would be an INSV insn.
        (noce_process_if_block): Don't optimize if the destination is a 
        ZERO_EXTRACT which can't be handled by noce_emit_move_insn.

2006-05-15  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/22563
        Backports from mainline
        * expmed.c (store_fixed_bit_field): When using AND and IOR to store
        a fixed width bitfield, always force the intermediates into pseudos.
        Also check whether the bitsize is valid for the machine's "insv"
        instruction before moving the target into a pseudo for use with
        the insv.
        * config/i386/predicates.md (const8_operand): New predicate.
        * config/i386/i386.md (extv, extzv, insv): Use the new
        const8_operand predicate where appropriate.

2006-05-13  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/26729
        * fold-const.c (fold_truthop): Check integer_nonzerop instead of
        !integer_zerop to avoid problems with TREE_OVERFLOW.

2005-05-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/27335
        * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
        loops.

2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
        On contraint.
        * config/s390/s390.md: Adjust comment describing On constraint.

2006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR target/27421
        * config/i386/i386.c (classify_argument): Skip fields with invalid
        types.

        PR middle-end/27384
        * fold-const.c (size_binop): Move sanity check for arguments to
        the beginning of the function.

        PR middle-end/27488
        * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
        expression.

2006-05-11  Roger Sayle  <roger@eyesopen.com>

        PR target/27158
        * reload.c (find_reloads_toplev): Only return the simplified SUBREG
        of a reg_equiv_constant if the result is a legitimate constant.

2006-05-09  Steve Ellcey  <sje@cup.hp.com>

        PR bootstrap/26872
        * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
        (hppa*64*-*-hpux11*): Ditto.
        (hppa[12]*-*-hpux11*): Ditto.

2006-05-09  David Edelsohn  <edelsohn@gnu.org>

        PR target/26545
        * config/rs6000/aix41.h (TARGET_64BIT): Define.

2006-05-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27136
        * tree-ssa-loop-niter.c (get_val_for): Correct function
        comment, assert requirements.
        (loop_niter_by_eval): Stop processing if the iterated
        value did not simplify.

2006-05-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27409
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Do not try to find zero-sized subvars.

2006-05-08  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/27260
        * builtins.c (expand_builtin_memset): Expand val in original mode.

2006-05-06   Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27151
        * tree-vect-transform.c (vectorizable_condition): Punt on
        values that have a different type than the condition.

2006-05-04  David Edelsohn  <edelsohn@gnu.org>

        PR target/26481
        * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
        with output modifier.

2006-05-04  Richard Sandiford  <richard@codesourcery.com>

        PR target/26765
        * config/mips/mips.c (mips_symbolic_address_p): Return true
        for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
        SYMBOL_GOTTPREL, and SYMBOL_TLS.

2006-05-04  David Edelsohn  <edelsohn@gnu.org>

        PR target/26481
        * config/rs6000/rs6000.md (store_multiple_power): Delete.
        (stmsi[345678]_power): New.

2006-05-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/27285

        Backport from mainline:

        2006-03-28  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/25985
        * tree-ssa-loop-niter.c (number_of_iterations_le,
        number_of_iterations_ne): Make comments more precise.
        (number_of_iterations_cond): Add only_exit argument.  Use the
        fact that signed variables do not overflow only when only_exit
        is true.
        (loop_only_exit_p): New.
        (number_of_iterations_exit): Pass result of loop_only_exit_p to
        number_of_iterations_cond.

2006-05-02  Jeff Law  <law@redhat.com>

        PR tree-optimization/27364
        * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
        multiply expressions.

2006-05-02  Roger Sayle  <roger@eyesopen.com>

        PR c/25309
        * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
        (push_array_bounds): Delete prototype.  Change BOUNDS argument to
        an unsigned HOST_WIDE_INT.
        (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
        array index.
        (really_start_incremental_init): No need to call convert because
        bitsize_zero_node is already of type bitsizetype.
        (push_init_level): Extract the value of constructor_index as an
        unsigned HOST_WIDE_INT quantity, using tree_low_cst.
        (process_init_element): Likewise.

2006-05-02  Kazu Hirata  <kazu@codesourcery.com>

        PR target/27387
        * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
        -mthumb -fPIC are used.

2006-05-01  Kazu Hirata  <kazu@codesourcery.com>

        PR target/27374
        * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
        templates for case 3 and 4.

2006-05-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/26565
        * builtins.c (get_pointer_alignment): Handle component
        references for field alignment.

2006-04-28  Richard Guenther  <rguenther@suse.de>

        PR target/26826
        * reload.c (push_reload): Guard calls to get_secondary_mem
        for memory subregs.

2006-04-28  Andrew Pinski  <pinskia@gcc.gnu.org>
        Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27236
        * tree-inline.c (copy_body_r): Make sure to copy
        TREE_THIS_VOLATILE flag.

2006-04-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/26869
        * tree-complex.c (update_parameter_components): Don't handle
        unused parameters which have no default def.

2006-04-28  Andrew Pinski  <pinskia@gcc.gnu.org>
        Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27218
        * tree-inline.c (expand_call_inline): Strip useless type
        conversions for the return slot address.

2006-04-27  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/26685
        * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
        this one "max-flow-memory-locations".

2006-04-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/26865
        * tree-ssa-structalias.c (find_func_aliases): Check that anyoffsetrhs
        type is pointer or array type.

2006-04-24  Roger Sayle  <roger@eyesopen.com>

        PR target/26961
        * fold-const.c (fold_ternary): When converting "A ? B : C" into either
        "A op B" or "A op C", we may need to convert A to the type of B and C.

2006-04-23  Roger Sayle  <roger@eyesopen.com>

        PR target/21283
        * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
        a SImode SUBREG of a floating point register after no_new_pseudos.

2006-04-23  Roger Sayle  <roger@eyesopen.com>

        * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
        identify potentially eliminable registers to additionally catch
        VIRTUAL_INCOMING_ARGS_REGNUM.
        (addsi3): Update the conditions on when to use addsi_small_int.

2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.

2006-04-21  Carlos O'Donell  <carlos@codesourcery.com>
        
        Backport from mainline:
        2006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
                    Nathan Sidwell  <nathan@codesourcery.com>
        PR c/26774
        * stor-layout.c (update_alignment_for_field): Do not align 
        ERROR_MARK nodes.
        (place_union_field): Place union field at the start of the union.
        (place_field): Move ERROR_MARK check later, and use the current
        allocation position to maintain monotonicity.

2006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/25875
        * c-typeck.c (digest_init): Robustify.

2006-04-21  Steve Ellcey  <sje@cup.hp.com>

        * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).

2006-04-21  Paul Brook  <paul@codesourcery.com>

        Backport from mainline.
        * config/arm/arm.c (arm_override_options): Error on iWMMXt and
        hardware floating point.

2006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR mudflap/26789
        * tree-mudflap.c (mudflap_finish_file): Skip function when there were
        errors.

2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/27182
        * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
        that the last insn has the REG_INC note.

2006-04-19  Jeff Law  <law@redhat.com>

        PR tree-optimization/26854
        * tree-ssa-dse.c (dse_optimize_stmt): Use has_single_use rather
        than num_imm_uses.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Similarly.

2006-04-18  Jeff Law  <law@redhat.com>

        PR tree-optimization/27087
        * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
        alias information too.

2006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * builtins.c (expand_builtin_strcmp): Cover label definition of 
        do_libcall with HAVE_cmpstrnsi.

2006-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26643

        Backport from mainline:
        2006-03-29  Zdenek Dvorak <dvorakz@suse.cz>

        PR tree-optimization/26643
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
        bit_field_refs.

2006-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26821

        Backport from mainline:

        2006-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26821
        * tree-ssa-math-opts.c (get_constant_one): New.
        (insert_reciprocals): Use it.

        2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
            
        * tree-flow-inline.h (bsi_after_labels): Rewrite, return
        what its name says.
        * lambda-code.c (perfect_nestify): Use bsi_insert_before on
        bsi_after_labels iterator.
        * tree-if-conv.c (find_phi_replacement_condition,
        replace_phi_with_cond_modify_expr): Likewise.
        * tree-scalar-evolution.c (scev_const_prop): Likewise.
        * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.   

2006-04-18  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/27095
        * builtins.c (expand_builtin_memset): Stabilize args before expansion
        and emit libcall here in case the builtin fails.
        (expand_builtin_strcmp): Always emit the libcall here on failure.

2006-04-16  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/27134
        * builtins.c (expand_builtin_int_roundingfn): Use expand_expr()
        to expand fallback builtin function call.

2006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
        register save area.

2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/27006
        * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
        to be even.

2006-04-13  Alan Modra  <amodra@bigpond.net.au>

        PR target/26459
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
        optimize to lo_sum for DFmode if !TARGET_FPRS.

2006-04-07  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_early_inlining): Collect garbage.

2006-04-11  Mark Mitchell  <mark@codesourcery.com>

        PR target/26459
        * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
        rs6000_explicit_options.float_gprs.

2006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Point to the configure page.

2006-04-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/27057
        * dwarf2out.c (is_symbol_die): Return true also for namespaces.

2006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/26508
        * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
        * pa64-hpux.h (LIB_SPEC): Don't append milli.a.
        (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
        (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
        (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
        (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
        section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
        stubs.  Add ".align 8" directives before all ".dword" directives.
        (GTHREAD_USE_WEAK): Revise comment.
        (TARGET_ATTRIBUTE_WEAK): Define.
        * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
        dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
        * stublib.c: New file.

2006-04-09  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Prerequisites): Refine some wording on
        bootstrapping and ksh.
        Move the version numbers of DejaGnu here from the testing section
        and fix casing of names.
        Fix markup and clarify wording for autogen requirements.
        Refer to GCJ instead of just java.
        Refer to SVN instead of CVS.
        Describe diffutils as useful instead of necessary.
        (Downloading the source): Refer to SVN instead of CVS.
        Adjust a link to our web site accordingly.
        (Configuration): Fix casing of Bison.
        (Specific): Avoid reference to CVS.
        (Building): Refer to SVN instead of CVS.  
        Fix a sentence on the use of Bison and remove duplicate (and
        incorrect) version number of Bison requirement.

2006-04-08  Matthias Klose  <doko@debian.org>

        * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.

2006-04-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26919
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
        to cgraph_estimate_size_after_inlining.

2006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/26996
        * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
        VECTOR_TYPE variables.

2006-04-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26763
        * fold-const.c (fold_binary): Fold PTR + CST CMP PTR + CST
        only for EQ_EXPR and NE_EXPR.

2006-04-04  Paul Brook  <paul@codesourcery.com>

        Backport form mainline.
        2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
        functions.
        (number_of_iterations_ne, number_of_iterations_lt_to_ne,
        assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
        number_of_iterations_le): New functions.
        (number_of_iterations_special): Removed.
        (number_of_iterations_exit): Do not use number_of_iterations_special.
        * tree.c (unsigned_type_for): Always return integer type.

        2005-01-06  Zdenek Dvorak <dvorakz@suse.cz>
        PR tree-optimization/18527
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        number_of_iterations_special, number_of_iterations_exit):
        Move base and step of an iv to a single structure.  Add
        no_overflow flag, and use it in # of iterations analysis.
        * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
        folded_casts argument.
        (simple_iv): Pass base and step in a structure.  Set no_overflow
        flag.
        (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
        Evaluate expensiveness of computing # of iterations instead of
        the final expression.
        * tree-scalar-evolution.h (affine_iv): New structure.
        (simple_iv): Declaration changed.
        * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
        * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
        find_givs_in_stmt): Changed due to simple_iv change.

2006-04-03  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/26830
        * tree-cfg.c (tree_duplicate_sese_region): Do not update SSA.
        * tree-ssa-loop-ch.c (copy_loop_headers): Count successfully duplicated
        headers and, if there was any, update SSA at the end.
        
        Backport from mainline:
        2006-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
        (copy_prop_visit_stmt): Remove write-only variable ann.
        (init_copy_prop): Check variable loop depth here.  Do not simulate
        memory-tag and virtual operand PHIs except for store copy prop.


2006-03-31  H.J. Lu  <hongjiu.lu@intel.com>

        PR testsuite/25741
        Backport from mainline
        2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (check-%): Depend on site.exp instead of
        $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
        directories.

        2006-01-17  Shantonu Sen  <ssen@opendarwin.org>

        * Makefile.in (check-%, check-consistency): Use $${srcdir}
        instead of $(srcdir) and ${srcdir}.

2006-03-31  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/26936
        Backport from mainline.
        2006-02-25  Juergen Weigert  <jw@suse.de>
                Richard Guenther  <rguenther@suse.de>
 
        * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.

2006-03-31  Alan Modra  <amodra@bigpond.net.au>

        PR target/26459
        * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
        change to FLOAT_REGS.

        * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
        (rs6000_override_options): Use it.
        (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
        only for -mabi=spe/no-spe and -mabi=altivec.

2006-03-30  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
        (single_move_for_movmem): ... this. Also change all uses.
        (bfin_expand_strmov): Renamed to...
        (bfin_expand_movmem): ... this. Also change all uses.
        * config/bfin/bfin.md (movstrsi): Renamed to...
        (movstrsi): ...this.

2006-03-28  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
        from parent_var.

2006-03-27  Alan Modra  <amodra@bigpond.net.au>

        PR target/26459
        * config/rs6000/rs6000.md (DF reg move peephole): Prevent
        peephole removing spe frob_di_df_2.

2006-03-24  Alan Modra  <amodra@bigpond.net.au>

        PR target/26607
        * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
        or __LITTLE_ENDIAN__.

2006-03-23  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
        tls symbols.

        PR target/26347
        * config/alpha/predicates.md (local_symbolic_operand): Reject
        weak symbols.

2006-03-22  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.

2006-03-21  Jason Merrill  <jason@redhat.com>

        * builtins.c (expand_builtin_fork_or_exec): Fix pasto.

        PR middle-end/20297
        * expr.c (init_block_move_fn): Force default visibility.
        (init_block_clear_fn): Likewise.
        * builtins.c (expand_builtin_fork_or_exec): Likewise.
        * targhooks.c (default_external_stack_protect_fail): Likewise.

2006-03-16  David Edelsohn  <edelsohn@gnu.org>

        Backport from mainline.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Change
        decl libname for clog to __clog on AIX.

2006-03-16  Steve Ellcey  <sje@cup.hp.com>

        PR target/25917
        Backport from mainline.
        * config/ia64/predicates.md (extr_len_operand): New predicate.
        * config/ia64/ia64.md (extv): Tighten constraints.
        (extzv): Ditto.
        (*tbit_and_2): Ditto.
        (*tbit_and_3): Ditto.
        (*tbit_or_2): Ditto.
        (*tbit_or_3): Ditto.
        (*bit_zero): Ditto.
        (*bit_one): Ditto.

2006-03-16  Paul Brook  <paul@codesourcery.com>

        Backport from mainline.
        * config/arm/arm.c (minipool_pad): New.
        (add_minipool_forward_ref): Include pool alignment padding in address
        calculation.
        (push_minipool_fix): Set minipool_pad.
        (minipool_pad): Ditto.

2006-03-14  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/19543
        Backport from mainline.
        * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
        only equivalent if the have both the same mode and precision.

2006-03-14  Roger Sayle  <roger@eyesopen.com>

        PR other/26489
        Backport from mainline.
        * gthr-posix.h (__gthrw2): Define to take three parameters, the
        declared name, the weak reference name, and the typeof name.
        (__gthrw): Avoid expanding the declared name suffix.
        (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.

2006-03-14  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/26557
        * stmt.c (emit_case_nodes): Handle the case where the index is a
        CONST_INT, where the comparison mode is specified by the index type.

2006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.

2006-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26672
        * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
        SSA form.

2006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
        is defined.

2006-03-13  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.

2006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
        of RETS.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
        TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
        * config/bfin/crti.S: Use it instead of __PIC__.
        * config/bfin/crtn.S: Likewise.

        * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
        call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
        not if flag_pic.
        Lose 'G' modifier for call operand.
        * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
        recognize 'G' modifier.

2006-03-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/18859
        * stmt.c (expand_case): Discard empty ranges.

2006-03-10  Jason Merrill  <jason@redhat.com>

        PR c/26004
        * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if 
        the target was declared 'register'.

2006-03-09  Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/26524
        * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
        fold_convert to create a constant of the appropriate type.

2006-03-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26587
        * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.

2006-03-03  Steve Ellcey  <sje@cup.hp.com>

        PR rtl-optimization/26345
        PR target/19061
        * config/ia64/predicates.md (basereg_operand): Don't look in subregs.

2006-03-02  Alan Modra  <amodra@bigpond.net.au>

        PR target/26453
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
        output traceback table for thunks.  Localise rs6000_stack_info call.

2006-02-28  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi: Require GNU tar version 1.14.

2006-02-28  Mark Mitchell  <mark@codesourcery.com>

        * BASE-VER: 4.1.1.
        * DEV-PHASE: Prerelease.

2006-02-28  Release Manager

        * GCC 4.1.0 released.

2006-02-23  Mark Mitchell  <mark@codesourcery.com>

        Backport:
        2006-02-20  Roger Sayle  <roger@eyesopen.com>
        * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
        __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.

2006-02-23  Mark Mitchell  <mark@codesourcery.com>

        Backport:
        2006-02-21  Jakub Jelinek  <jakub@redhat.com>
        PR middle-end/26379
        * combine.c (simplify_shift_const_1): Disable nested shifts
        optimization for vector shifts.

2006-02-23  Mark Mitchell  <mark@codesourcery.com>

        Backport:
        2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
        PR rtl-optimization/25603
        * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
        (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
        * reload1.c (choose_reload_regs): Added call of regno_clobbered_p 
        with new meaning of SETS.

2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi: Add missing `@samp'.

2006-02-19  David Edelsohn  <edelsohn@gnu.org>

        PR target/26350
        * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
        MEM for ABI_V4 pic.

2006-02-18  Mark Wielaard  <mark@klomp.org>

        * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
        who added new 4.1 features, bug fixes and integration support.

2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.

2006-02-18  Olivier Hainque  <hainque@adacore.com>

        PR ada/13408
        * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.

2006-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/26334
        * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
        instead of DECL_REGISTER.

2006-02-17  Roger Sayle  <roger@eyesopen.com>
            Richard Sandiford  <richard@codesourcery.com>

        PR target/22209
        * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
        * config/mips/_tilib.c: Remove.
        * config/fixtfdi.c: New libgcc source file.
        * config/fixunstfdi.c: New source file.
        * config/floatditf.c: New source file.
        * config/floatunditf.c: New souce file.
        * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
        files above instead of config/mips/_tilib.c.
        * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.

2006-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/26300
        * combine.c (make_extraction): Bail out if ORIG_POS is negative.

2005-02-16  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/26209
        * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
        * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
        eh edges.
        * tree-cfg.c (replace_uses_by): Do not alter cfg.

        * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Call scev_reset if cfg
        changes.
        * Makefile.in (tree-cfgcleanup.o): Add SCEV_H dependency.

2006-02-15  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/25335
        * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.

2006-02-15  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
        Reenable.

2006-02-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/26255
        * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
        with hardware float support, and software float support.  Add fcpy
        alternative to hardware patterns.  Add alternatives to copy between
        general and floating-point registers to the 32-bit pattern.
        * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
        * pa64-regs.h (VALID_FP_MODE_P): Likewise.

2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR bootstrap/26053
        * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
        support COMDAT group.
        * configure: Regenerate.

2006-02-14  Michael Matz  <matz@suse.de>

        PR middle-end/22275

        * stor-layout.c (layout_decl): Zero-width bitfields aren't
        influenced by maximum_field_alignment or DECL_PACKED.
        (update_alignment_for_field): Ditto.
        (place_field): Ditto.
        * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
        this behaviour.

2006-02-14  Michael Matz  <matz@suse.de>

        * tree-ssa-structalias.c: Include <params.h>.
        * Makefile.in (tree-ssa-structalias.o): Adjust dependencies.

2006-02-14  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/26260

        * doc/invoke.texi (max-fields-for-field-sensitive): Document
        param.
        * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
        * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
        * tree-ssa-structalias.c (create_variable_info_for): Use
        MAX_FIELDS_FOR_FIELD_SENSITIVE.
        
2006-02-14  J"orn Rennecke <joern.rennecke@st.com>

        PR target/26141
        * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
        computing the effective result type.

2006-02-14  J"orn Rennecke <joern.rennecke@st.com>

        PR inline-asm/16194
        * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
        (tree_overlaps_hard_reg_set): Declare.
        * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
        type and signature to match function type expected by walk_tree.
        (tree_overlaps_hard_reg_set): New function.
        (decl_conflicts_with_clobbers_p): Rename to:
        (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
        Use tree_overlaps_hard_reg_set.  Changed caller.
        * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
        decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
        * cris.c (cris_md_asm_clobbers): Likewise.

2006-02-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/26258
        * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
        in PHI argument processing.

2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/quadlib.c: Use defines instead of enum qfcmp_magic.

2006-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/26092
        * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
        twice if decl is a builtin.  When trying again, call get_callee_fndecl
        first to verify it is still a builtin.

2006-02-11  Jason Merrill  <jason@redhat.com>

        PR tree-opt/24365
        * tree-inline.c (declare_return_variable): Just don't use the
        modify target if it's a gimple complex reg and the return slot
        isn't.

2006-02-11  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (xl-compat): Document conversion and support
        routine names.

2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/contrib.texi: Update my entry.

2006-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/25864
        Backport from mainline

        2006-02-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
        (s390_mangle_fundamental_type): New.
        * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
        Define.

        * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
        (alpha_mangle_fundamental_type): New.
        * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
        Define.

        * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
        Define.
        * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
        Define.
        * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
        (sparc_mangle_fundamental_type): New.

2006-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/25864
        Backport from mainline

        2006-02-04  David Edelsohn  <edelsohn@gnu.org>
                    Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
        IBM extended float format long double as "g" on powerpc*-linux.

        2006-02-01  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
        -msoft-float -mlong-double-128 only issue a warning, but don't
        swich to DFmode long double.

        2006-01-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
        and -mlong-double-128 are incompatible.
        * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
        * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
        (TARGET_LIBGCC2_CFLAGS): Define.
        * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
        (TARGET_LIBGCC2_CFLAGS): Same.
        * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.

        2006-01-27  Jakub Jelinek  <jakub@redhat.com>

        * libgcc-std.ver: Add GCC_4.1.0 symbol version.
        * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
        -mno-minimal-toc to previous content.
        (bispecs): Remove goal.
        * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
        * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
        compatibility aliases on powerpc-*-*gnu*.
        * config/rs6000/libgcc-ppc-glibc.ver: New file.
        * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
        libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
        (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
        (ldblspecs): New goal.
        * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
        * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
        _df_to_tf.
        * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
        L_sf_to_tf or L_df_to_tf is defined.

        2006-01-27  David Edelsohn  <edelsohn@gnu.org>
                    Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux.h (POWERPC_LINUX): Define.
        * config/rs6000/linux64.h (POWERPC_LINUX): Define.
        * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
        * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
        * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
        * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
        (rs6000_override_options): Initialize rs6000_ieeequad.
        Initialize TFmode format to ibm_extended_format if not
        TARGET_IEEEQUAD.
        (rs6000_handle_option): Accept -mabi= ibmlongdouble and
        ieeelongdouble.
        (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
        (rs6000_return_in_memory): Only return IEEEQUAD in memory.
        (function_arg_advance): IBM long double passed in two FPRs, not
        split.
        (function_arg): IBM long double passed in FPRs.
        (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
        (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
        Only multireg GPR aligned.
        (rs6000_init_libfuncs): Enable IBM long double functions if not
        IEEEQUAD.
        (rs6000_generate_compare): Use IBM long double compare if not
        TARGET_IEEEQUAD.
        * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
        (TARGET_IEEEQUAD): Define.
        (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
        not TARGET_IEEEQUAD.
        * config/rs6000/rs6000.md: Enable TFmode patterns if
        !TARGET_IEEEQUAD.
        * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
        * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
        and -mlong-double-128 are incompatible.
        * doc/invoke.texi (-mabi): Collect options together.  Add
        ibmlongdouble and ieeelongdouble.

2006-02-08  Jason Merrill  <jason@redhat.com>

        PR c++/25979
        * tree.def: Elaborate on difference from MODIFY_EXPR.
        * doc/c-tree.texi (INIT_EXPR): Likewise.
        * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
        (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
        (gimplify_target_expr): Likewise.
        (gimplify_cond_expr): Remove target handling.
        (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
        (gimplify_expr): Clobber it here.
        (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
        Do return slot optimization if we have an INIT_EXPR.

        PR tree-opt/24365
        * tree-inline.c (declare_return_variable): Also clear 
        DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.

        PR c++/16405
        * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.

        PR middle-end/22439
        * gimplify.c (gimplify_one_sizepos): Fix typo.

2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/25251
        * tree-cfg.c (cleanup_dead_labels): Also don't remove
        forced labels.

2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-flow-inline.h (var_can_have_subvars): 
        Volatile variables should not have subvariables.

2006-02-09  Diego Novillo  <dnovillo@redhat.com>

        PR 26180
        * tree-vrp.c (vrp_int_const_binop): Detect overflow when
        multiplying unsigned values.
        Tidy comments.

2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (tls_call_delay): Fix oversight.

2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/26109
        * pa.c (attr_length_indirect_call): Don't return length 8 for distances
        >= 240000 when generating code for SOM runtime.
        (output_indirect_call): Don't use "b,l" instruction for indirect calls
        to $$dyncall when generating code for SOM runtime..

2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
        * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
        (LIB_SPEC): Likewise.
        * doc/invoke.texi (SPARC options): Document -pthread.

2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (TLS assembler check): Do not enable TLS by
        default on SPARC/Solaris before version 10.
        * configure: Regenerate.

2006-02-07  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/24444
        * config/ia64/unwind-ia64.c: Revert last change.
        * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
        (INCOMING_FRAME_SP_OFFSET): Define.

2006-02-06  Andreas Tobler  <a.tobler@schweiz.ch>

        * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
        object files.

2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/23359
        * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.

2006-02-06  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
        (s390x-*-linux*): Likewise.
        * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
        * config/s390/t-linux: New file.

2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.

2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
        * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
        pa/t-pa.
        * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
        pa/t-pa.
        * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
        pa/x-ada.
        * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
        * pa/t-pa64: Delete quadlib.c rule.
        * pa/x-ada: Revert last change.
        * pa/t-pa: Revert last change.  Delete quadlib.c rule.

2006-02-04  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/24444
        * config/ia64/ia64.c: Include debug.h.
        (MAX_ARTIFICIAL_LABEL_BYTES): New.
        (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
        (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
        (process_epilogue, process_set, process_for_unwind_directive):
        Output unwind info only if requested.  Add CFA info if requested.
        Add new arguments as needed.  Adjust callers.
        * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
        incorrect default.
        (DWARF2_FRAME_INFO): Define to zero.
        * config/ia64/unwind-ia64.c: Remove code that compensated for
        the CFA offset error fixed above.
        * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
        * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
        (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
        -funwind-tables and -fexceptions to enable frame info.
        (dwarf2out_frame_init): Define initial CFA even if
        DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
        DWARF2_UNWIND_INFO is nonzero, not just defined.
        (dwarf2out_frame_finish): Output non-EH call frame info only
        if DWARF2_FRAME_INFO is nonzero.
        (convert_cfa_to_loc_list,
        compute_frame_pointer_to_cfa_displacement): Define even if
        unwind info is not supported.
        (gen_subprogram_die): Use the above unconditionally.  Remove
        legacy alternate code.
        * toplev.c (compile_file): Compile in call to
        dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
        (lang_dependent_init): Ditto for dwarf2out_frame_init.

2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/25926
        * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
        * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.

2006-02-03  Richard Henderson  <rth@redhat.com>

        PR target/26090
        * config/ia64/sysv4.h (TARGET_ASM_SELECT_RTX_SECTION,
        TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION,
        TARGET_ASM_SELECT_RTX_SECTION, TARGET_RWRELOC): Copy from
        the hpux definition.

2006-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/25979
        * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.

        PR middle-end/25977
        * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
        on the return slot if it's an NRV.

2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/26001
        * expr.c (expand_expr_real_1) <case ARRAY_REF>:
        Use the corrected index for the character
        out of the string constant.

2006-02-03  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/24901
        * fold-const.c (fold_checksum_tree): Change type of buf.

2006-02-03  Alan Modra  <amodra@bigpond.net.au>

        PR target/25960
        * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.

2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/25864
        * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
        "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
        * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
        * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
        and dxr fields.
        (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
        (s390_rtx_costs): Use the new fields to calculate rtx costs.
        (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
        Define secondary reloads for TFmode moves.
        (constant_modes): Add TFmode.
        (NR_C_MODES): Set to 8.
        * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
        builtin define.
        (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
        (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
        CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
        * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
        fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
        (FPR mode macro): Add TFmode.
        (DSF mode macro): New.
        (<de>, <dee> mode attributes): Removed.
        (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
        ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
        "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
        "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
        "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
        "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
        "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
        "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
        "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
        "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
        "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
        "*negabs<mode>2", "sqrt<mode>2"):
        Changed <de> to <xde>. R constraint replaced by <Rf>.
        ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
        <Rf>.
        ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
        ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
        ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
        splitters.
        ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
        "extenddftf2", "extendsftf2"): New expanders.
        ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
        "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
        "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
        * config/s390/s390.opt (mlong-double-128, mlong-double-64):
        New options.
        * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
        * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
        __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
        __floatditf): Add a GCC_4.1.0 symbol version tag.
        * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
        the new options.

2006-01-31  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (init_alignment_context): Set
        ALIAS_SET_MEMORY_BARRIER on the MEM.

2006-01-31  Carlos O'Donell  <carlos@codesourcery.com>

        * optabs.c (prepare_cmp_insn): If unbiased and unsigned then bias
        the comparison routine return.

2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/lb1sf68.asm: Use moveq to load small constants.

2006-01-31  Richard Guenther  <rguenther@suse.de>

        Backport
        2006-01-03  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c (get_builtin_sync_mem): New function.
        (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
        expand_builtin_lock_test_and_set, expand_builtin_lock_release):
        Call get_builtin_sync_mem to generate mem rtx.

        2006-01-25  Richard Henderson <rth@redhat.com>

        * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
        * alias.c (true_dependence): Respect it.
        (canon_true_dependence, write_dependence_p): Likewise.
        * builtins.c (get_builtin_sync_mem): Set it.

2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/26018
        * config/s390/s390.c (struct machine_function): New flag
        decomposed_literal_pool_addresses_ok_p.
        (s390_reorg): Set it before final stage of literal pool transforms.
        (s390_decompose_address): Only accept displacements of the form
        (minus (label_ref ...) (label_ref ...)) if that flag is set.

2006-01-30  J"orn Rennecke <joern.rennecke@st.com>

        Merged from mainline r107469:
        * caller-save.c: (this_insn_sets): Move into:
        (save_call_clobbered_regs).
        (mark_set_regs): Get this_insn_sets from data.

        (save_call_clobbered_regs): Take sets of the return value by
        sibcalls into account.

2006-01-30  J"orn Rennecke <joern.rennecke@st.com>

        PR target/14798:
        * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
        (pragma_trap, pragma_nosave_low_regs): Likewise.
        (current_function_anonymous_args): Likewise.
        (sh_deferred_function_attributes): New variable.
        (sh_deferred_function_attributes_tail): Likewise.
        (print_operand): For '@', look up trap_exit attribute.
        (calc_live_regs): Look up trapa_handler attribute.  For trapa
        handlers, save/restore fpscr, but don't do any other
        interrupt-specific saves.
        Don't save r0..r7 if the nosave_low_regs attribute is in effect.
        Fix check for partially saved registers to check for SHmedia.
        (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
        (sh_output_function_epilogue): Don't clear any of the removed
        variables.
        (sh_insert_attributes): Don't check pragma_interrupt.
        Insert deferred attributes.  Check that interrupt attribute is
        present for other attributes that require its presence.
        (sh_attribute_table): Add new attributes trapa_handler and
        nosave_low_regs.
        (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
        Don't check for pragma_interrupt.  Don't store argument.
        * sh.h (pragma_interrupt, sp_switch): Don't declare.
        (sh_deferred_function_attributes): Declare.
        (sh_deferred_function_attributes_tail): Likewise.
        * sh.md (sp_switch_1): Add operand.  Change generator caller.
        (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
        (*return_i): Don't use when trap_exit attribute is in effect.
        (*return_trapa): New insn pattern.
        * sh-c.c: New file.
        * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
        setting c_target_objs and cxx_target_objs.
        * t-sh: Add rule for sh-c.o.

        * config/sh/sh.c (sh_cfun_trap_exit_p): New function.
        * sh-protos.h (sh_cfun_trap_exit_p): Declare.

2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>

        Revert

        2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
        * tree.c (build_qualified_type): Chain the new type to the original
        type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
        a POINTER_TYPE or a REFERENCE_TYPE respectively.
        (build_pointer_type_for_mode): Only return unqualified types.
        (build_reference_type_for_mode): Likewise.

2006-01-28  Hans-Peter Nilsson  <hp@axis.com>

        PR target/25706
        * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
        ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
        ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
        output pattern modifier, not %e.
        * config/cris/cris.c (cris_op_str): Update comment about pattern
        modifier.
        (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
        before falling through into...
        <case 'E'>: Redefined from old 'e' case.

        PR target/25718
        * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
        for a negative bound.

        PR target/25947
        * config/cris/cris.c (cris_order_for_addsi3): New function.
        * config/cris/cris-protos.h: Prototype it.
        * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
        (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
        (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
        (split for "op.S1 [rx=rx+i],ry (swapped)")
        (split for "op(s|u).S1 [rx=rx+i],ry")
        (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
        Apply cris_order_for_addsi3 when generating addsi3 insns.

2006-01-26 Alexandre Oliva  <aoliva@redhat.com>

        PR other/24829
        PR target/24831
        * gthr-dce.h: Do not gthrw-ify pthread_once_init,
        pthread_key_delete.  From John David Anglin.  gthrw-ify
        pthread_getunique_np only if it it's not a macro.  Delete
        UNUSED macro.
        (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
        __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
        __gthread_objc_condition_signal, __gthread_key_delete): Add
        "__attribute__ ((__unused__))" to unused arguments.
        (__gthread_recursive_mutex_init_function): Add missing return.
        * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
        gthr-posix95.h: Use macro-based approach for name redirection
        on targets missing weakref.

2006-01-26  Alexandre Oliva  <aoliva@redhat.com>

        PR c/25892
        * c.opt (Wpointer-sign): Init to -1.
        * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
        OPT_pedantic, to 0 otherwise.
        * doc/invoke.texi: Update.

2006-01-24  David Daney  <ddaney@avtrex.com>

        PR java/25816
        * configure.ac (enable_tls): New enable option.
        (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
        * configure: Regenerate.
        * doc/install.texi (--enable-tls): Document new option.
        (--disable-tls): Ditto.

2006-01-23  Richard Guenther  <rguenther@suse.de>
        Steven Bosscher <stevenb.gcc@gmail.com>

        PR rtl-optimization/24626
        * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
        EDGE_TRUE_VALUE if in RTL mode.

        Revert
        2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
        * cfgrtl.c (rtl_verify_flow_info_1): Fix.

2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
        Jan Hubicka  <jh@suse.cz>
        Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/25654
        * cfgexpand.c (aggregate_contains_union_type): New function.
        (add_alias_set_conflicts): Call it.  Make sure to add conflicts
        for structure variables that contain a union type.

2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>

        * gcc.c (process_command), gcov.c (print_version), gcov-dump.c
        (print_version), mips-tdump.c (main), mips-tfile.c (main): Update
        copyright notice dates.

2006-01-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_compute_func_type): Treat all functions
        as nothrow when unwinding tables are disabled.

2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR testsuite/25171
        * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
        of bit-field" when in system header.

2006-01-19  Richard Sandiford  <richard@codesourcery.com>

        PR c/25805
        * c-decl.c (add_flexible_array_elts_to_size): New function.
        (finish_decl): Use it.

2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/25731
        * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
        hppa[12]*-*-hpux11*): Override default shared libgcc version for both
        sjlj and dwarf2 exception handling.
        * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
        Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
        * pa/pa.c (function_value): Treat complex and vector types as
        aggregates.
        (function_arg): Likewise.  Only pass scalar floats in the floating
        point argument registers.
        * pa/t-slibgcc-dwarf-ver: New file.
        * pa/t-slibgcc-sjlj-ver: New file.
        * pa/t-slibgcc-elf-ver: Delete file.

2006-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR c/25682
        * c-typeck.c (build_unary_op): Fold offsetof-like expressions
        even when the pointer is not NULL.

2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Disparage copies between general and floating-point registers
        in 32-bit move patterns.

2006-01-16  Steven Bosscher  <stevenb.gcc@gmail.com>
        Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/24257
        * gcse.c (find_moveable_store): Only consider a store movable
        when the SET_SRC of the insn can be assigned to a register.

2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/25168
        * tree.c (get_file_function_name_long): Concatenate the first global
        object name with a string derived from the input filename of the object
        for type "F".

2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/24365
        * tree-inline.c (declare_return_variable): If the return variable
        was marked as a non gimple complex, set the return slot variable
        to be a non gimple comple variable.

2006-01-11  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/23109
        PR tree-optimization/23948
        PR tree-optimization/24123

        * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
        * tree-cfg.c (single_noncomplex_succ): New.
        * tree-flow.h (single_noncomplex_succ): Declare it.
        * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
        * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
        (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
        insert_bb, register_division_in, insert_reciprocals,
        replace_reciprocal, free_bb): New.
        (execute_cse_reciprocals_1): Rewritten.
        (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
        Do not commit any edge insertion.  Always compute dominators and
        create the allocation pool.
        * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
        * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
        * targhooks.c (default_min_divistions_for_recip_mul): New.
        * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
        * passes.c (init_optimization_passes): Run recip after tree loop
        optimizations.
        * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.

2006-01-11  Jan Hubicka  <jh@suse.cz>

        PR target/25042
        * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128

2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/20754
        * config/pa/pa.md: Create separate 32 and 64-bit move patterns
        for SI, DI, SF and DF modes.  Add alternatives to copy between
        general and floating point registers to the 32-bit patterns.
        * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
        * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
        (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
        generating 64-bit code.
        * config/pa/pa.c (output_move_double): Handle copies between general
        and floating registers.

2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/25367
        * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.

2006-01-10  Jan Beulich  <jbeulich@novell.com>

        * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
        MASK_ALIGN_DOUBLE.
        * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
        * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
        arguments.

2006-01-09  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/25125
        * convert.c (convert_to_integer): Don't narrow the type of a
        PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
        is signed.

2006-01-08  Ian Lance Taylor  <ian@airs.com>
            David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/25662
        * optabs.c (simplify_expand_binop): Use simplify_binary_operation
        for constant operands instead of simplify_gen_binary.

2006-01-04  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
        make the prototype extern "C" and add throw ().

        PR target/25554
        * config/i386/i386.md (testqi_ext_3): Ensure len is positive
        and pos non-negative and pos + len <= 32.
        (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
        drop pos + len < HOST_BITS_PER_WIDE_INT test.
        (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.

        PR c/25559
        * c-common.c (handle_vector_size_attribute): Reject zero vector size
        as well as sizes not multiple of component size.

        PR debug/25562
        * function.c (instantiate_expr): New function.
        (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
        walk its DECL_VALUE_EXPR with instantiate_expr.

        * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
        DW_OP_deref{,_size} if address isn't going to be added.

2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>

        * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
        COMPONENT_REFs.
        * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
        hashing trees instead of a pointer hash.
        (mem_attrs_htab_eq): Do a deep compare instead of a pointer
        compare for MEM_EXPR.

        PR rtl-optimization/25130
        * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
        when comparing MEMs for GCSE

2006-01-03  Richard Guenther  <rguenther@suse.de>

        PR c/25183
        * stmt.c (add_case_node): Make sure to clear overflow flags
        from ranges.

2005-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR fortran/25586
        * pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point
        store patterns.

2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
        Paul Brook  <paul@codesourcery.com>

        * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
        !TARGET_68020.
        * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
        (EXTRA_MULTILIB_PARTS): Set.
        * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
        (EXTRA_MULTILIB_PARTS): Set.

2005-12-29  Hans-Peter Nilsson  <hp@axis.com>

        PR target/24342
        * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
        emitted insns with post-increments.
        (cris_expand_epilogue): Ditto.

2005-12-29  Alan Modra  <amodra@bigpond.net.au>

        PR target/25572
        * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.

2005-12-26  Mark Mitchell  <mark@codesourcery.com>

        PR c++/23171, c++/23172, c++/25417.
        * c-decl.c (compound_literal_number): Remove.
        (build_compound_literal): Use set_compound_literal_name.
        * c-common.c (compound_literal_number): New variable.
        (set_compound_literal_name): New function.
        * c-common.h (set_compound_literal_name): Declare.
        
2005-12-24  Mark Mitchell  <mark@codesourcery.com>

        PR c++/23171
        * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
        CONSTRUCTOR is invalid.

2005-12-23  Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-optimization/21041
        * reload.c (find_reloads_subreg_address): Replace paradoxical
        subreg of MEM by widened access only if the resulting memory
        is properly aligned, even on !STRICT_ALIGNMENT targets.

2005-12-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/25005
        * regrename.c (replace_oldest_value_reg): Use validate_change with
        IN_GROUP set to 1 instead of doing direct modifications.
        (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
        replacements have been performed on an instruction, use
        apply_change_group ().

2005-12-23  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/25432
        * reload1.c (eliminate_regs_in_insn): Update insn code on
        successfully re-recognizing modified insn.

2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>

        PR tree-opt/25513
        * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
        variables.

2005-12-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/25518
        * dwarf2out.c (dwarf2out_switch_text_section): Declare when
        DWARF2_UNWIND_INFO is defined or when DWARF2_DEBUGGING_INFO is
        defined.

2005-12-20  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24793
        * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
        original reference if there are subvars.
        * tree-ssa-operands.c (get_tmr_operands): Handle subvars.

2005-12-21  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/25196
        * postreload-gcse.c (record_last_set_info): Notice stack pointer
        changes in push insns without REG_INC notes.

2005-12-21  Andrew Haley  <aph@redhat.com>

        PR middle-end/25121
        * recog.c (peephole2_optimize): Don't peephole any
        RTX_FRAME_RELATED_P insns.

2005-12-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24306
        * builtins.c (std_gimplify_va_arg_expr): Do not align
        va frame for zero sized types.
        * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.

2005-12-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22313
        * dwarf2out.c (dwarf2out_switch_text_section): Export.
        * debug.h (dwarf2out_switch_text_section): Prototype.
        * final.c (final_scan_insn): Call dwarf2out_switch_text_section
        if we need to call it for dwarf2 unwind info.

2005-12-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/24982
        * reload.c (refers_to_regno_for_reload_p): Take
        reg_equiv_invariant and reg_equiv_init into account.
        * reload.h (reg_equiv_invariant): Declare.

2005-12-19  Paolo Bonzini  <bonzini@gnu.org>

        PR target/25180
        * config/rs6000/predicates.md (logical_const_operand): Split
        out of logical_operand.
        (logical_operand): Use it.
        * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
        logical_const_operand.

2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>

        * config/mt/mt.md (decrement_and_branch_until_zero): Add another
        scratch.  Correct its reload split. Adjust its peephole.
        (nop): Use 'nop'.
        * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
        (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
        (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
        (mt_builtin_saveregs): Replace with ...
        (mt_setup_incoming_varargs): ... here.  Save just the varadic
        args.
        (mt_va_start): Remove.
        (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
        (mt_machine_reorg): Split all insns here.
        (TARGET_SETUP_INCOMING_VARARGS): Override.
        * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
        Set to CPU type.
        (EXPAND_BUILTIN_VA_START): Remove.

2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.

2005-12-18  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/25224
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
        tables.

2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/24378
        * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
        basic-block after loop-versioning.

2005-12-17  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23837
        * optabs.c (expand_binop): For a multi-word rotate, never emit
        a REG_NO_CONFLICT block.

2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>

        Second part of MS1->MT renaming
        * config/mt/mt.md (doloop_end): Call mt_add_loop.
        (movqi, movhi): Call mt_set_memflags.
        (*movdf_internal): Call mt_split_words. 
        (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
        mt_set_memflags.
        (cmpsi): Store to mt_compare_op[01].
        (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
        bungt, bunle, bunlt): Call mt_emit_cbranch.
        (prologue): Call mt_expand_prologue.
        (epilogu): Call mt_expend_epilogue.
        (eh_return): Call mt_expand_eh_return.
        (eh_epilogue): Call me_emit_eh_epilogue.
        (conditional_trap): Store to mt_compare_op[01].
        * config/mt/crti.asm: Adjust comment.
        * config/mt/crtn.asm: Adjust comment.
        * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
        (mt_compare_op0, mt_compare_op1): Renamed.
        (current_frame_info, zero_frame_info): Adjust type.
        (mt_ucmpsi3_libcall): Renamed.
        (mt_flag_delayed_branch): Renamed.
        (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
        (mt_nops_required, mt_nop_reasons): Renamed.
        (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
        mt_debug_stack, mt_print_operand_simple_address,
        mt_print_operand_address, mt_print_operand): Renamed, adjusted.
        (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
        mt_function_arg_advance, mt_arg_partial_bytes,
        mt_pass_by_reference, mt_function_arg_boundary,
        mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
        mt_legitimate_address_p): Renamed, adjusted.
        (mt_cpu): Renamed.
        (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
        mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
        mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
        mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
        mt_expand_eh_return, mt_emit_eh_prologue,
        mt_handl_interrupt_attribute): Renamed, adjusted.
        (mt_attribute_table): Renamed, adjusted.
        (mt_initial_elimination_offset, mt_generate_compare,
        mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
        mt_secondary_reload_class, mt_function_value, mt_split_words,
        mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
        mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
        (mt_labels): Renamed.
        (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
        mt_machine_reorg): Renamed, adjusted.
        (mt_attribute_table: Renamed.
        (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
        TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
        TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
        * config/mt/mt.opt (march): Set mt_cpu_string.
        * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
        (TARGET_CPU_CPP_BUILTINS): Adjust.
        (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
        TARGET_MS2): Adjust.
        (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
        (MT_MIN_INT): Renamed.
        (RETURN_ADDR_RTX): Adjust.
        (struct mt_frame_info): Renamed.
        (current_frame_info): Adjust type.
        (INITIAL_ELIMINATION_OFFSET): Adjust.
        (MT_NUM_ARG_REGS): Renamed.
        (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
        FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
        LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
        GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
        FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
        (mt_compare_op0, mt_compare_op1): Renamed.
        * config/mt/mt-protos.h: Rename prototypes.

        * config/mt/mt.c (mt_override_options): Require lower case
        architectures.  Revert accidental default to ms2.
        * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
        ENDFILE_SPEC): Require lower case architectures.  Revert default
        to ms2.

        * doc/invoke.texi (MT Options): Rename and update.
        * doc/md.texi (MorphoTech family): Rename and update.

        * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
        (EXTRA_MULTILIB_PARTS): Define.

        * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
        (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
        * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
        TARGET_MS1_64_001 appropriately.
        (ms1_machine_reorg): Use TARGET_MS2.

        2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
        * config/mt/t-mt (MULTILIB_OPTIONS): Define.
        (MULTILIB_DIRNAMES): Define.

        * config.gcc (ms1): Replace with ...
        (mt): ... this.
        * config/ms1: Rename to ...
        * config/mt: ... here.  Rename ms1 files to mt.
        * config/mt/mt.c: Adjust gt-mt.h #include.
        * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
        (crti.o, crtn.o): Adjust file names.

2005-12-16  Andrew Haley  <aph@redhat.com>

        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
        against prev_cache_entry == NULL when moving a cache entry to the
        head of the list.
        
2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.

2005-12-16  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/24899
        * loop.c (strength_reduce): Don't reduce giv that is not always
        computable and where add_val or mult_val can trap.

        * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.

2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24823
        * flow.c (mark_used_dest_regs): New function.
        (mark_used_regs): Call mark_used_dest_regs.

2005-12-15  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (default_unique_section_1): Use special section
        names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.

2005-12-15  Jan Hubicka  <jh@suse.cz>

        PR target/24969
        * i386.c (classify_argument): Properly adjust offset of bitfield for
        substructures.

2005-12-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/18659
        PR ada/18819
        * doc/invoke.texi (Optimize Options): Document that
        -ftree-sra is not automatically enabled for the Ada compiler.

2005-12-15  Olivier Hainque  <hainque@adacore.com>

        * stor-layout.c (layout_type): Don't complain about a too small
        an array element type size compared to its alignment when the
        size overflows.

2005-12-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/23838
        * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
        represent a use and definition of the same SSA_NAME.

2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-optimization/25310
        * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
        of the eliminable register when substituting into a PLUS.

2005-12-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/25023
        * config/i386/i386.c (ix86_force_to_memory): Always use
        SImode push for HImode in -m32.
        (ix86_free_from_memory): Likewise.

        PR target/25254
        PR target/24188
        * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
        DECL_P, call named_section_flags rather than named_section.  Supply
        section flags to it.

2005-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/25023
        PR target/25293
        * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
        and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
        Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
        * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
        Set mode to SI, adjust constraints.
        (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
        * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
        32-bit code.

2005-12-13  Paul Brook  <paul@codesourcery.com>

        * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
        apcs/atpcs.

2005-12-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.

2005-12-12  Alan Modra  <amodra@bigpond.net.au>

        PR target/25212
        * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
        generated by reload.
        (print_operand): Check that both operands of indexed address are regs.
        (print_operand_address): Likewise.
        * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
        (INT_REG_OK_FOR_BASE_P): Correct.
        * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
        indexed_or_indirect_address.
        (indexed_or_indirect_address): Don't test for base reg.  Call
        address_operand last.  Make it a special predicate.

2005-12-10  Mark Mitchell  <mark@codesourcery.com>

        PR c++/25010
        * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
        DECL_EXTERNAL functions have no bodies.  Tidy.

2005-12-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/25258
        * pa.c (som_text_section_asm_op): Use .NSUBSPA directive when changing
        to the text subspace to output debugging information.

2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c: Include "cgraph.h".
        (bfin_load_pic_reg): Omit loading pic reg if in a local function.
        Return the reg that holds the pointer to the GOT.
        (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
        doing stack checking.

2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/25311
        * config/s390/s390.c (struct s390_address): New field literal_pool.
        (s390_decompose_address): Compute literal_pool field.  Do not 
        assume register %r13 is always (and solely) used as pool base.
        (s390_extra_constraint_str): Use literal_pool field.

2005-12-09  Thiemo Seufer  <ths@networkno.de>

        * config/mips/mips.c (override_options): Don't allow too small
        integers in FP registers.

2005-12-09  Alan Modra  <amodra@bigpond.net.au>

        PR debug/24908
        * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
        call_used_regs can't be used to save reg in another reg.

2005-12-09  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * recog.c (constrain_operands): Strip unary operators
        only ifndef KEEP_UNARY_OPERATORS_AT_CONSTRAINT_CHECKING.
        * reload.c (find_reloads): Ditto.
        * config/cris/cris.h (KEEP_UNARY_OPERATORS_AT_CONSTRAINT_CHECKING):
        Define.

2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/25248
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
        evolution_of_loop from the failed attempt.  Remove handling of
        MULT_EXPR.

2005-12-08  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2005-11-28  Richard Guenther  <rguenther@suse.de>

        * c-common.c (strict_aliasing_warning): Handle all
        component-ref like accesses.

        2005-11-24  Richard Guenther  <rguenther@suse.de>
                Dirk Mueller <dmueller@suse.de>

        PR c++/14024
        * c-common.h (strict_aliasing_warning): Declare.
        * c-common.c (strict_aliasing_warning): New function,
        split out from ...
        * c-typeck.c (build_c_cast): ... here.

2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/25268
        * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
        argument.  Don't drop outer ANDs.
        (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
        * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
        prototype.
        * config/s390/predicates.md (setmem_operand): Remove.
        (shift_count_operand): Rename to...
        (shift_count_or_setmem_operand): ... this.  Adjust
        s390_decompose_shift_count caller.
        * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
        ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
        ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
        <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
        rotl<mode>3_and, setmem_long_and): New insns.
        (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
        ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
        <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
        <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
        of shift_count_operand.
        (setmem_long): Use shift_count_or_setmem_operand instead of
        setmem_operand.

2005-12-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_atomic): New function.
        Adjust comment of helper functions.
        * config/s390/s390-protos.h (s390_expand_atomic): Declare.
        * config/s390/s390.md ("ATOMIC"): New code macro.
        ("atomic"): Corresponding new code attribute.
        ("sync_lock_test_and_set[hq]i", 
        "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.

2005-12-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_mask_and_shift, 
        struct alignment_context, init_alignment_context, 
        s390_expand_cs_hqi): New.
        * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
        * config/s390/s390.md ("sync_compare_and_swaphi",
        "sync_compare_and_swapqi"): New pattern.

2005-12-07  Adrian Straetling  <straetling@de.ibm.com>

          * doc/md.texi: Adapt to implementation.

2005-12-07  Aldy Hernandez  <aldyh@redhat.com>

       PR C++/24138
        * tree.c (integer_all_onesp): Always return true if all bits on.

        * testsuite/g++.dg/init/array0.C: New.

2005-12-06  Andreas Schwab  <schwab@suse.de>

        * opts.c (decode_options): Fix typo in message.

2005-12-06  Alan Modra  <amodra@bigpond.net.au>

        PR other/13873
        * longlong.h: Merge PPC tests from upstream.

2005-12-05  James E Wilson  <wilson@specifix.com>

        PR target/24934
        * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
        is set.

2005-12-05  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
        we don't go into an infinite loop.

2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/invoke.texi, doc/standards.texi: Refer to
        gcc-4.1/c99status.html.

2005-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/25199
        * config/i386/i386.md (movqi_1): Only force imovx for alternative
        5 if operand 1 is not aligned.  Undo previous constraint change.
        * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.

2005-12-02  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/25176
        * function.c (expand_function_end): Emit blockage for unwinder
        after return label.

2005-12-01  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.

2005-11-30  Dale Johannesen  <dalej@apple.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR rtl-opt/24930
        * combine.c (find_split_point):  Sign extend bitmask
        when changing bitfield assignment to IOR of AND.

2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/25158
        * builtins.c (fold_builtin_fputs): Defer check for missing
        replacement functions.

2005-11-30  Kean Johnston  <jkj@sco.com>

        * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
        simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.

2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
        clobber to scratch reg.
        (*decrement_and_branch_until_zero_no_clobber): Remove.
        (decrement_and_branch peephole): Add dummy scratch reg to pattern.
        (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
        * config/ms1/ms1.opt (mmul): Remove.
        * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
        (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.

2005-11-30  Jeff Law  <law@redhat.com>

        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
        handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/21166
        * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
        when its natural alignment is > BITS_PER_UNIT.
        * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
        * c-common.c (handle_packed_attribute): Ignore packing on a field
        whose type is naturally char aligned.

2005-11-30  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
        Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
        (ia64_expand_move): Adjust caller.

        * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
        fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
        negate VAL.

2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/20109
        PR middle-end/25120
        * builtins.c (init_target_chars): New.
        (expand_builtin_printf, expand_builtin_fprintf,
        expand_builtin_sprintf, fold_builtin_sprintf,
        maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
        fold_builtin_snprintf_chk, fold_builtin_printf,
        fold_builtin_fprintf): Check for matching format strings using
        the target charset.

2005-11-28  Alexandre Oliva  <aoliva@redhat.com>

        PR libfortran/24991
        * config/darwin.c (machopic_indirection_name,
        machopic_output_indirection): Follow transparent alias chain.

2005-11-28  Alexandre Oliva  <aoliva@redhat.com>

        * varasm.c (ultimate_transparent_alias_target): Add comment.

2005-11-26  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/21309
        * expmed.c (choose_mult_variant): Return immediately when mult_cost
        is less than zero.  Limit mult_cost to a reasonable upper bound for
        the synthetic multiplication sequence.

2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/25022
        * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
        fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
        Lookup the explicit replacement functions for any unlocked
        stdio builtin transformations.

2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (negate_mathfn_p): Fix comment.

2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/22561
        * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.

2005-11-22  Kazu Hirata  <kazu@codesourcery.com>

        PR target/23435
        * m68k.md (zero_extendsidi2): Force operands[1] to a register
        if both operands[0] and operands[1] are memory.

2005-11-22  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24653
        * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.

2005-11-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/24954
        * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
        typo last change.

2005-11-22  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/24950
        * expmed.c (store_bit_field): Don't attempt to insv a field
        larger than the reg.

2005-11-22  Alan Modra  <amodra@bigpond.net.au>

        PR target/24954
        * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
        explicit sign extension, not a (char) cast.

2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>

        * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
        which matches behavior of gcc 4.0 and older for RTEMS targets.  The
        default now includes a linker group which makes the RTEMS one nest.

2005-11-21  David Edelsohn  <edelsohn@gnu.org>

        PR target/24953
        * config/rs6000/predicates.md (vrsave_operation): Check
        UNSPEC_VOLATILE value.

2005-11-21  Paolo Bonzini  <bonzini@gnu.org>

        PR target/24951
        * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
        cst2 only for SPE vectors.

2005-11-21  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/20583
        * cse.c (cse_insn): Reject invalid forms of CONST earlier.

2005-11-20  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/24883
        * combine.c (combinable_i3pat): When checking whether the
        destination of i3 is used in i3, consider paradoxical subregs.

2005-11-20  Richard Henderson  <rth@redhat.com>

        PR 24931
        * tree-sra.c (struct sra_elt): Add all_no_warning.
        (struct sra_walk_fns) <use>: Add use_all argument.
        (sra_walk_expr): Pass it.
        (sra_walk_modify_expr): Likewise.
        (scalarize_ldst): Likewise.
        (scan_use): Update for new argument.
        (mark_no_warning): New.
        (scalarize_use): Use it.

2005-11-19  Richard Henderson  <rth@redhat.com>

        PR tree-opt/24665
        * tree-gimple.c (is_gimple_id): Export.
        * tree-gimple.h (is_gimple_id): Declare.
        * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
        (get_default_value): Use it.
        (maybe_fold_stmt_indirect): Likewise.

2005-11-20  Andreas Schwab  <schwab@suse.de>

        PR target/24757
        * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
        insn.

2005-11-19  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/24912
        PR middle-end/24750
        * reload.c (find_reloads_address_1): Mention dependency on
        gen_reload.
        * reload1.c (gen_reload): For IN with an unary operation, try
        moving inner expression to OUT if trivial SET is not valid.
        Confirm that the result is valid.  Move common code block into...
        (emit_insn_if_valid_for_reload): New function.

2005-11-19  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
        fatal format string.

2005-11-18  Mark Mitchell  <mark@codesourcery.com>

        * DEV-PHASE: Change to prerelease.

2005-11-18  James E Wilson  <wilson@specifix.com>

        * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
        returning it.

2005-11-18  Mike Stump  <mrs@apple.com>

        * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
        * config/darwin-c.c (darwin_pragma_unused): Likewise.
        * c-decl.c (lookup_name_two) Remove.
        * c-tree.h (lookup_name_two): Remove.
        * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
        * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
        (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
        * langhooks.h (lang_hooks_for_decls): Add lookup_name.
        
2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/24914
        * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
        when not generating code to use that co-processor.

2005-11-18  James A. Morrison  <phython@gcc.gnu.org>

        * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
        add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
        these functions are now in tree-phinodes.c.

2005-11-18  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.md (trap): New pattern.

2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
        on types.

        * expr.c (expand_expr_real): Don't call record_block_change unless
        ib_boundaries_block is non-null

        * postreload.c (reload_cse_move2add): Don't try to work with BImode.

        * fold-const.c (build_range_check): Use proper type for subtraction
        when merging lower bound.

2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/24497
        * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
        the copied insn.

2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-scalar-evolution.c (expression_expensive_p): New function.
        (scev_const_prop): Use compute_overall_effect_of_inner_loop.

2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crtlibid.s: New file.

2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/24348
        * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
        when not using sjlj exceptions.
        * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
        * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
        * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
        DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
        * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
        * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
        DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
        ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
        * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
        (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
        DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
        ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
        defines.
        * config/pa/hpux-unwind.h: New file.

2005-11-17  Alexandre Oliva  <aoliva@redhat.com>

        * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
        * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
        * varasm.c (do_assemble_alias): Adjust call.
        (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
        is defined.
        * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.

2005-11-17  James E Wilson  <wilson@specifix.com>

        * tree.def (FUNCTION_DECL): Correct typo in comment.

2005-11-17  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
        (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
        and DW_CFA_def_cfa_sf.
        (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
        (dbx_reg_number): Don't assert particular registers here.
        (based_loc_descr): ... do it here instead.  Fold in ...
        (eliminate_reg_to_offset): ... this function.
        (compute_frame_pointer_to_cfa_displacement): Fold in the effects
        of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
        * unwind-dw2.c (execute_cfa_program): Apply data align factor
        to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
        * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
        (instantiate_virtual_regs): Likewise.
        * var-tracking.c (adjust_stack_reference): Likewise.
        * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.

2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
        * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
        * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
        crtlibid.o.
        ($(T)crtlibid.o): New rule.

2005-11-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24851
        * fold-const.c (extract_array_ref): Return byte offset
        in all cases.
        (fold_binary): Fold &x[a] CMP &x[b] to
        a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
        behavior.

2005-11-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/23497
        * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
        parts of an SSA_NAME.

2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/24861
        * arm.md (split for movsf with immediate): Restrict split to insns
        that set a general register.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
        uw_update_context.
        * unwind-dw2.c (uw_advance_context): Likewise.
        * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
        _Unwind_SjLj_Unregister.
        * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.

2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
        langhook to get a DImode integer type.

2005-11-16  Richard Henderson  <rth@redhat.com>
            J"orn Rennecke <joern.rennecke@st.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-opt/24160
        PR target/24621
        * reload1.c (reg_equiv_invariant): New.
        (reload): Allocate, initialize, and free it.
        (calculate_needs_all_insns): Check it when skipping equivalence
        setting insns.
        (alter_reg): Likewise.
        (eliminate_regs_1): Rename from eliminate_regs.  Add new
        may_use_invariant argument; only use reg_equiv_invariant when true.
        (eliminate_regs): New.
        (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
        a context for which may_use_invariant may be true.

2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (const_binop): Don't constant fold the operation
        if the result has overflowed and flag_trapping_math.
        * simplify-rtx.c (simplify_const_binary_operation): Likewise.

2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/unwind-arm.c (abort): Add prototype here.
        (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
        (struct phase1_vrs): Add prev_sp.
        (unwind_phase2_forced): Save the original core registers instead of
        modifying entry_vrs.  Take a new flag argument for resuming unwinding
        and set action flags accordingly.  Always set _US_END_OF_STACK when
        get_eit_entry fails.  Unwind before calling the stop function.
        (_Unwind_GetCFA): New function.
        (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
        (__gnu_Unwind_Resume_or_Rethrow): Likewise.
        (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
        just call unwind_phase2_forced.
        (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
        * config/arm/unwind-arm.h (abort): Remove prototype.
        (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
        prototypes.
        (_Unwind_GetCFA): New prototype.
        * config/arm/pr-support.c (abort): Add prototype here.
        * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
        forced unwinding.
        * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
        not schedule the prologue with non-call exceptions and EABI.

2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/unwind-arm.h: Reorder interface function declarations.
        (_URC_END_OF_STACK): New enumeration value.
        (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
        (struct _Unwind_Control_Block): Document reserved field use.
        (_Unwind_Stop_Fn): New typedef.
        (_Unwind_ForcedUnwind): Declare.
        (_Unwind_Resume_or_Rethrow): Declare.
        * config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
        argument.  Adjust.
        (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
        * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
        (UCB_FORCED_STOP_ARG): New.
        (search_EIT_table): Update boundary condition checks.
        (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
        (unwind_phase2): Replace for with do..while.
        (unwind_phase2_forced): New.
        (__gnu_Unwind_RaiseException): Replace for with do..while.
        (__gnu_Unwind_ForcedUnwind): New.
        (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
        Use appropriate phase2 unwinder.
        (__gnu_Unwind_Resume_or_Rethrow): New.
        (__gnu_unwind_pr_common): Cope with forced unwinding.

2005-11-16  David Edelsohn  <edelsohn@gnu.org>

        PR target/24772
        * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.

        * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
        roundsf2): Remove "s" from mnemonic.

2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
        __PIC__ is defined.
        * config/bfin/crtn.s: Change epilogues to match.
        * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
        __PIC__ and __pic__.

2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

        PR 24357
        * doc/invoke.texi: Distinguish between free and fixed form instead of
        Fortran and Fortran 90/95.  Remove ratfor from the list of supported
        languages.
        * gcc.c (default_compilers): Remove double entries, add entries for
        suffixes '.F90' and '.F95'.

2005-11-16  Eric Botcazou <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
        in the stack probing loop.

2005-11-15  David Edelsohn  <edelsohn@gnu.org>

        * configure.ac: Use .machine power5 not power5x.
        * configure: Regenerate.

2005-11-15  Mike Stump  <mrs@apple.com>

        * c-decl.c (lookup_name_two): Add.
        * c-tree.h (lookup_name_two): Likewise.
        * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
        * config/darwin-c.c (darwin_pragma_unused): Likewise.

2005-11-16  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/23392
        * regrename.c (enum scan_actions) Add mark_access.
        (scan_actions_name): Ditto.
        (scan_rtx_reg): Handle mark_access.
        (scan_rtx_address): Do nothing for mark_access.
        (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
        and regs in REG_INC notes before closing chains for dead regs.
        Mark destination regs in REG_FRAME_RELATED_EXPR notes after
        opening chains for new writes.

2005-11-15  David Edelsohn  <edelsohn@gnu.org>

        * c.opt (ffixed-line-length-none): New.

2005-11-15  Steve Ellcey  <sje@cup.hp.com>

        * mklibgcc.in: Change contents of eh_dummy.c.

2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * loop.c (scan_loop): Do not insert temporaries for hard registers.

2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
        of making syscalls.
        * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.

2005-11-15  Jan Hubicka  <jh@suse.cz>

        * invoke.texi (large-unit-insns): Document.
        * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
        * params.def (large-unit-insns): New param.

2005-11-15  Hans-Peter Nilsson  <hp@axis.com>

        PR target/24869
        * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
        special register for operand 3.  Reindent constraints to align
        them vertically.

2005-11-14  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
        -mpopcntb, -mfprnd. Add -mcpu=power5+.
        * configure.ac: Add test for FP rounding instructions.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
        features enabled.
        * config/rs6000/rs6000.opt (mfprnd): New.
        * config/rs6000/rs6000.c (processor_target_table): Add power5+.
        (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
        (TARGET_FPRND): New.
        * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
        UNSPEC_FRIZ): New.
        (btrunc<mode>2): New.
        (ceil<mode>2): New.
        (floor<mode>2): New.
        (round<mode>2): New.

2005-11-14  Geoffrey Keating  <geoffk@apple.com>

        * gcc.c (version_compare_spec_function): Use fatal() rather than
        abort().

        * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
        (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
        * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
        as empty.
        * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
        link in crt2.o.
        
        * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
        on -mmacosx-version-min setting.

2005-11-14  Diego Novillo  <dnovillo@redhat.com>

        PR 24840
        * tree-vrp.c (infer_value_range): Return false if STMT is a
        block terminator and its basic block has no successors.

2005-11-14  Mike Stump  <mrs@apple.com>

        * config/i386/i386.c (override_options): -masm=intel isn't
        supported on darwin.
        * doc/invoke.texi (i386 and x86-64 Options): Likewise.

2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
        vfork after including auto-host.h.

2005-11-15  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/22002
        * combine.c (distribute_notes): Detect cases where a reg dies
        two or more times in a bb, including on the insn we are combining,
        and place the death note on the correct range.

2005-11-14  Dale Johannesen  <dalej@apple.com>

        * expmed.c (store_bit_field):  Add offset unconditionally for
        memory targets.
        (extract_bit_field):  Don't force extzv or extv operand into
        a register if field is too big.

2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (pic_labelno): New.
        (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
        LABEL_REF.  Pass only the labelno to PIC insns.
        (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
        (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
        * arm.md (UNSPEC_PIC_LABEL): New constant.
        (pic_add_dot_plus_four, pic_add_dot_plus_eight)
        (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
        Use the correct label prefix.

2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
        REQ_EQUIV note.

2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>

        * loop-invariant.c: Include tm_p.h.
        * Makefile.in: Updated.

2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (store_reg): Revise generation of frame notes in large frames.
        (set_reg_plus_d): Likewise.

2005-11-13  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/24709
        * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
        loop check.

2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
        and duplicate declaration of pthread_self.

2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
            Ian Lance Taylor  <ian@airs.com>

        PR middle-end/24003
        * calls.c (expand_call): If TARGET is a MEM and some part of the
        argument area has been saved, force TARGET to a register.

2005-11-13  Razya Ladelsky <razya@il.ibm.com>

        * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type 
        checking.

2005-11-13  Jason Merrill  <jason@redhat.com>

        PR c++/22489
        * dwarf2out.c (gen_subprogram_die): Force a declaration die for
        lazily declared methods.
        (force_decl_die): Stop if forcing out the context already make a
        DIE for the decl.
        (force_type_die): Likewise.

2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24820
        * builtins.c (integer_valued_real_p): Add break in
        REAL_CST having TREE_OVERFLOW set.

2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
        addressing modes during calculation of costs.

2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_stack_local_1): Restrict sanity check
        on frame size overflow to 32-bit and above platforms.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
        * config/cris/cris.c: Include reload.h.
        (cris_initial_elimination_offset): New function.
        * config/cris/cris-protos.h: (cris_initial_elimination_offset):
        Prototype.

2005-11-12  Richard Guenther  <rguenther@suse.de>

        * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.

2005-11-12  Jan Hubicka  <jh@suse.cz>

        * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
        to compare against 0 when possible.

2005-11-12  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
        HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
        REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
        * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
        in the new order.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        * recog.c (constrain_operands) <case 'g'>: For a match, require
        that a non-register matches general_operand when strict >= 0.

2005-11-11  Steven Bosscher  <stevenb@suse.de>

        * loop-invariant.c (move_loop_invariants): Fix a thinko in the
        previous checkin.

2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
        (memory_address_same): New.
        (dse_optimize_stmt): Call memory_address_same.

2005-11-12  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/24750
        * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
        ZERO_EXTEND>: New cases.

2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>

        * longlong.h (__clz_tab): Always provide.

2005-11-11  Steven Bosscher  <stevenb@suse.de>

        PR 24265
        * loop-invariant.c (may_assign_reg_p): Make sure a hard register
        can be assigned to.
        (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
        before check_maybe_invariant.
        (move_invariant_reg): Use gen_move_insn instead of replacing
        SET_DEST with the temporary for the invariant.
        (move_loop_invariants): If checking is enabled, do internal
        consistency checks after completing the pass.

2005-11-11  David Edelsohn  <edelsohn@gnu.org>

        PR 24644
        * common.opt (Wvolatile-register-var): New.
        * varasm.c (make_decl_rtl): Only emit warning when option
        specified.  Clarify warning message.
        * doc/invoke.texi (Wvolatile-register-var): Document new option.

        * doc/md.texi (copysign): Document standard named pattern.

2005-11-11  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
        bytes when align is 2.
        * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
        by the first instruction of the loop.

2005-11-11  Jason Merrill  <jason@redhat.com>

        PR c++/24686
        * gimplify.c (gimplify_cleanup_point_expr): Also save and restore 
        the cleanup list.

2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/22509
        * local-alloc.c (memref_used_between_p): Check whether a function call
        could not reference the memref.

2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
        algorithm so as to choose the best, not the worst, alternative.
        Reset accumulated register class before processing next alternative.

2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/24445
        * calls.c (expand_call): Copy a return value to a plain register
        if needed.

2005-11-10  Alexandre Oliva  <aoliva@redhat.com>

        PR target/24778
        * varasm.c (assemble_name): Recompute name only for transparent
        aliases.

2005-11-10  Hans-Peter Nilsson  <hp@axis.com>

        * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.

2005-11-04  Jeff Law  <law@redhat.com>

        PR middle-end/23181
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
        perform reassociation if the parent statement will not die as
        a result of the optimization.

2005-11-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (compute_may_aliases): Remove call to 
        delete_old_heap_vars.
        * tree-dfa.c (referenced_var_remove): Remove function.
        * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
        (delete_tree_ssa): Remove call to delete_old_heapvars.
        Add call to delete_alias_heapvars.
        * tree-flow.h (referenced_var_remove): Remove prototype
        (init_alias_heapvars): New prototype.
        (delete_alias_heapvars): Ditto.
        * Makefile.in (tree-ssa-structalias.o): Add
        gt-tree-ssa-structalias.o
        (GTFILES): Add tree-ssa-structalias.h and
        tree-ssa-structalias.c.
        (s-gtype): Add gt-tree-ssa-structalias.h.
        * tree-ssa-structalias.c (heapvars): Remove.
        (oldheapvars): Remove.
        (heapvar_for_stmt): New variable.
        (heapvar_lookup): New function.
        (heapvar_insert): Ditto.
        (get_constraint_for): See if we have an old heapvar
        to reuse.
        (init_alias_heapvars): New function.
        (delete_alias_heapvars): Ditto.
        Add include of gt-tree-ssa-structalias.h.

2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/22127
        * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.

2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (int_fits_type_p): Only look at the base type
        if it has the same precision as the original type.

2005-11-10  Jakub Jelinek  <jakub@redhat.com>

        PR other/4372
        * varasm.c (assemble_alias): Use %q+D in the error
        message instead of %J and %qD.

2005-11-10  Richard Guenther  <rguenther@suse.de>

        * gcse.c (free_ldst_entry): Only free hashtable if
        it exists.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (assign_stack_local_1): Issue an error message if
        the frame size overflows in the signed target arithmetics.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build_qualified_type): Chain the new type to the original
        type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
        a POINTER_TYPE or a REFERENCE_TYPE respectively.
        (build_pointer_type_for_mode): Only return unqualified types.
        (build_reference_type_for_mode): Likewise.

2005-11-09  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (gnucompare): Do comparison of all files using one of
        the chosen methods and only afterwards decide if just warning should
        be issued or comparison failure raised.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
        (noce_try_abs): Negate if the comparison is reversed.
        Look only one instruction backwards for a REG_EQUAL note.

2005-11-09  Alexandre Oliva  <aoliva@redhat.com>

        PR other/4372
        * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
        gthr-tpf.h: Define __gthrw.  For all identifiers that might
        be weak, introduce weakrefs or non-weak aliases with __gthrw,
        and prefix all uses with __ghtrw.

2005-11-09  Alexandre Oliva  <aoliva@redhat.com>

        PR other/4372
        * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
        (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
        * c-common.c (handle_weakref_attribute): New.
        (c_common_attribute_table): Add weakref.
        * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
        in the assembler.
        * configure, config.in: Rebuilt.
        * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
        * doc/extend.texi: Document weakref attribute.
        * varasm.c (ultimate_transparent_alias_target): New
        (assemble_name): Use it.
        (weak_finish_1): Split out of...
        (weak_finish): ... and deal with weakrefs in...
        (weakref_targets): ... new list.
        (globalize_decl): Clean up weakref_targets.
        (do_assemble_alias): Handle weakrefs.
        (finish_aliases_1): Do not reject weakrefs to external symbols.
        (assemble_alias): Handle weakrefs.

2005-11-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24716
        * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
        t_bool to track results from follow_ssa_edge.

2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>

        * final.c (force_source_line): New global variable.
        (final_scan_insn): Set it to true instead of clearing last_filename.
        (notice_source_line): Return true if force_source_line is true,
        unless source info is absent.

2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/24644
        * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
        a linkage name for a variable if it a register variable.
        * c-decl.c (grokdeclarator): Global register variables
        should be set as PUBLIC.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24624
        * config/s390/s390.c (struct s390_frame_layout): New fields 
        first_save_gpr_slot and last_save_gpr_slot.
        (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,  
        s390_emit_epilogue, s390_initial_elimination_offset): Replaced 
        first_save_gpr and last_save_gpr with the _slot variants.
        (s390_register_info): Calculate first_save_gpr_slot and 
        last_save_gpr_slot using regs_ever_live.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24623
        * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
        for a function containing a landing pad.

2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR 24034
        * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
        is live afterwards.

2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
        MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.

2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>

        Add ms2 support
        * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
        constants.
        (call,load,store): New insn types.
        (mem_access, branch_access): Adjust reservation conditions.
        (define_delay): Adjust condition.
        (decrement_and_branch_until_zero): Allow for ms2.  Set branch
        type.
        (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
        (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
        insn type.
        (call_internal, call_value_internal, return_internal,
        return_interrupt_internal, eh_return_internal, indirect_jump,
        tablejump): Set call insn type.
        (blockage, ei, di): Use appropriate unspec const.
        * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
        (ms1_get_attr_type): Adjust to give load & store types.
        (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
        backwards past a barrier.
        (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
        branch scheduling.
        (struct branch_info, struct label_info): New.
        (ms1_labels): New.
        (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
        (ms1_machine_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Override.
        * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
        * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
        (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
        (TARGET_MS2): New.

2005-11-09  Per Bothner  <per@bothner.com>
            Uros Bizjak  <uros@kss-loka.si>
        
        PR c/24101
        * toplev.c (process_options): Initialize debug_hooks early
        in case lang_hooks.post_options ends up calling a debug_hook.

2005-11-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
        DBX_REGISTER_NUMBER being contiguous.

2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
            Diego Novillo  <dnovillo@redhat.com>

        PR 23046
        * tree-vrp.c (register_edge_assert_for): Do not register
        always-false predicates.

2005-11-08  Devang Patel <dpatel@apple.com>

        PR tree-optimization/23115
        * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
        relation.

2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
        -mcpu=440.

2005-11-08  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/23382

        * tree-ssa-alias.c (compute_may_aliases): Call
        delete_old_heap_vars.
        * tree-dfa.c (referenced_var_remove): New function.
        * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
        * tree-flow.h (referenced_var_remove): Add prototype.
        (delete_old_heap_vars): Ditto.
        * tree-ssa-structalias.c (heapvars): New variable.
        (oldheapvars): Ditto.
        (get_constraint_for): Put heap vars on heapvars list.
        (delete_old_heap_vars): New function.
        
2005-11-08  Jason Merrill  <jason@redhat.com>

        * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.

2005-11-08  Uros Bizjak  <uros@kss-loka.si>

        PR target/19340
        * reg-stack.c (reg_to_stack): Update register liveness also
        for flag_sched2_use_traces.

2005-11-08  Alan Modra  <amodra@bigpond.net.au>

        PR target/23704
        * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
        override prior explicit -mno-powerpc-gfxopt.

2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>

        * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
        if the bitsize is zero.
        * doc/md.texi (Standard Pattern Names): Document it.

        * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
        (TARGET_PASS_BY_REFERENCE): Likewise.

2005-11-07  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/24683
        * config/i386/i386.c (legitimize_pic_address): If constant operand
        to PLUS is too large, put it in a register.

2005-11-07  Jie Zhang  <jie.zhang@analog.com>

        * configure.ac: Enable checking assembler dwarf2 support for bfin
        target.
        * configure: Regenerate.

2005-11-07  Paolo Bonzini  <bonzini@gnu.org>

        PR target/24230

        * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
        gen_easy_vector_constant_add_self): Delete.
        (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
        New.
        (output_vec_const_move): Use gen_easy_altivec_constant.
        (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
        * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
        (easy_vector_constant_add_self): Rewritten.
        * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
        easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
        (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
        * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
        Macroize and adjust for the other changes.

2005-11-07  Paolo Bonzini  <bonzini@gnu.org>

        PR c/24599

        * c-typeck.c (build_c_cast): Try using a shared constant, and see
        if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.

2005-11-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23567
        * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
        (noce_process_if_block): Don't do any optimizations except
        if (cond) x = x; if !set_b and write into orig_x may trap
        or fault.  Remove the MEM_READONLY_P check.

2005-11-06  Diego Novillo  <dnovillo@redhat.com>

        PR 24670
        * tree-vrp.c (fix_equivalence_set): New.
        (extract_range_from_assert): Call it.

2005-11-05  Ian Lance Taylor  <ian@airs.com>

        PR target/22432
        * combine.c (apply_distributive_law): Don't distribute across a
        vector mode subreg.

2005-11-05  Kazu Hirata  <kazu@codesourcery.com>

        * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
        config/ms1/ms1.h, config/rs6000/predicates.md,
        config/s390/s390.c, params.def, postreload-gcse.c,
        tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
        tree-vrp.c, tree.c: Fix comment typos.
        * doc/invoke.texi: Fix typos.

2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
        for testing whether the data_dependence_relation contains distance
        vectors.  Iterate over all distance vectors of the ddr.
        * lambda.h: Define a vec of lambda_vector pointers.
        * tree-data-ref.c (dump_data_dependence_relation,
        dump_data_dependence_direction): Iterate over all distance and
        direction vectors of the ddr.
        (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
        DDR_DIST_VECTS.
        (build_classic_dist_vector, build_classic_dir_vector): Push a set
        of distance/direction vectors instead of a single one.
        * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
        lambda_vectors with a vec of lambda_vectors.
        (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
        (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
        DDR_NUM_DIST_VECTS): New.
        * tree-loop-linear.c (gather_interchange_stats): Test for the
        existence of distance vectors only after having checked that there
        is a dependence.  Iterate over all distance vectors of the ddr.
        (linear_transform_loops): Use dump_data_dependence_relation.
        * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
        distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
        distance vectors of the ddr.

2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
        expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
        IS_INTHANDLER; all callers changed.
        (n_regs_saved_by_prologue): Take interrupt handler attributes into
        account.
        (do_link, do_unlink): New argument ALL; all callers changed.
        (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
        If function isn't leaf, save and restore all registers.
        (bfin_function_ok_for_sibcall): Only true if not an interrupt or
        exception handler.

2005-11-05  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/23490
        * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
        max-flow-memory-location): Document.
        * flow.c: Include params.h
        (MAX_MEM_SET_LIST_LEN): Kill.
        (add_to_mem_set_list): Use new param.
        * cse.c (cse_basic_block): Replace 1000 by new param.
        * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
        PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
        * predict.c (predict_loops): Use new param.
        * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.

        * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
        cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
        Do not hold memory returned by cgraph_node_name across other call.

2005-11-04  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
        Disable.

2005-11-04  Jeff Law  <law@redhat.com>

        PR/21883
        * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
        * tree-ssa-dom.c: Include params.h.
        (thread_across_edge): If there are too many statements in the
        target block, then do not thread through it.
        * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
        * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.

2005-11-03  Diego Novillo  <dnovillo@redhat.com>

        PR 24627
        * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
        TODO_update_ssa instead of TODO_update_ssa_no_phi.

2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>

        PR/18595
        * tree-scalar-evolution.c (instantiate_parameters_1,
        instantiate_parameters, resolve_mixers): Compute the size of an
        expression to be instantiated and give up the instantiation if the
        size exceeds PARAM_SCEV_MAX_EXPR_SIZE.

2005-11-04  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (ref_contains_indirect_ref): Rename to
        array_ref_contains_indirect_ref.
        * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
        (array_ref_contains_indirect_ref): Make comment match the code
        and vice-versa.
        (ref_contains_array_ref): Likewise.
        * tree-ssa-structalias.c (find_func_aliases): Remove call to
        ref_contains_indirect_ref.
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Rename calls to ref_contains_indirect_ref.

2005-11-04 Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
        gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
        (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
        * config/arm/arm.md: Use match_operand in peephole input templates
        and match_dup in peephole output templates.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
        __aeabi_uidiv.

2005-11-04  Mark Mitchell  <mark@codesourcery.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * longlong.h (add_ssaaaa): Clobber condition code register
        in ARM version.
        (sub_ddmmss): Likewise.
        (umul_ppmm): Likewise.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
            Paul Brook  <paul@codesourcery.com>
            Phil Blundell  <pb@reciva.com>

        * configure.ac: Add test for ARM TLS support.
        * configure: Regenerated.
        * config/arm/arm-protos.h (legitimize_tls_address)
        (arm_tls_referenced_p, tls_mentioned_p)
        (arm_output_addr_const_extra): New prototypes.
        (thumb_legitimize_pic_address): Delete.
        * config/arm/arm.c: Include "gt-arm.h".
        (enum tls_reloc): New.
        (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
        (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
        (arm_call_tls_get_addr, legitimize_tls_address)
        (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
        (arm_init_tls_builtins, arm_emit_tls_decoration)
        (arm_output_addr_const_extra): New functions.
        (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
        (TARGET_HAVE_TLS): Define.
        (target_thread_pointer): New.
        (arm_override_options): Handle -mtp=.
        (legitimize_pic_address): Ignore UNSPECs.
        (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
        relative symbols.
        (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
        (tls_get_addr_libfunc): New variable.
        (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
        (arm_init_builtins): Call arm_init_tls_builtins.
        (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
        (arm_encode_section_info): Call default_encode_section_info.
        * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
        (enum arm_tp_type): New.
        (target_thread_pointer): Add declaration.
        (LEGITIMATE_CONSTANT_P): Handle TLS.
        (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
        (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
        (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
        * config/arm/arm.md: Add UNSPEC_TLS.
        (movsi): Handle TLS.
        (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
        non-PIC.
        (tls_load_dot_plus_eight): New insn and a peephole to create it.
        (load_tp_hard, load_tp_soft): New insns.
        * arm.opt: Add -mtp=.
        * doc/invoke.texi (ARM Options): Document -mtp.

2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/lib1funcs.asm: Don't include "libunwind.S".
        * config/arm/libunwind.S: Include "lib1funcs.asm".
        * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
        (LIB2ADDEH): Add libunwind.S.
        (LIB2ADDEHDEP): Add lib1funcs.asm.
        * mklibgcc.in: Handle asm files in libgcc_eh.a.

2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR fortran/18452
        * c.opt: Add a -lang-fortran option.
        * c-opts.c: Add a lang_fortran flag.
        (c_common_init_options): Handling the -lang-fortran option.
        (c_common_handle_option): Add a case for Fortran options in
        preprocessing. Remove cases for -ffixed-form and
        -ffixed-line-length. Add a case for -lang-fortran.

2005-11-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c: Include params.h
        (optimization_options): Set max-grow-copy-bb-insns default to 16.
        (bdesc_2arg): Delete vpkuhss and vpkuwss.
        * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
        (UNSPEC_VPKUWSS): Delete.
        (altivec_vpkuhss): Delete.
        (altivec_vpkuwss): Delete.
        * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
        final condition.
        (neg_eq0<mode>): Remove final condition.
        (neg_eq<mode>): Remove condition and split-condition.

2005-11-04  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
        Use associated print macros.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c++/17964
        * diagnostic.c (diagnostic_set_info_translated): New function.
        (diagnostic_set_info): Use it.  Add comment.
        * diagnostic.h (diagnostic_set_info_translated): Declare.

2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
        On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
        reference only if 'public' is true.
        (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
        emit the .hidden directive only if the indirect reference is public.
        (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
        Pass it to dw2_force_const_mem.
        * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
        * dwarf2out.c (output_cfi): Adjust calls to above function.
        (output_call_frame_info): Likewise.
        * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
        as 'public' argument to dw2_asm_output_encoded_addr_rtx.

2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24483
        * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
        field to elts if possible.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23155
        * gimplifier.c (gimplify_expr): Create a temporary for lvalue
        CONSTRUCTOR.

2005-11-03  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/24351

        * tree-ssa-structalias.c (struct variable_info): Add
        collapsed_into.
        (get_varinfo_fc): New function to follow collapsing.
        (new_var_info): Set collapsed_to to NULL.
        (dump_constraint): Follow collapsing.
        (build_constraint_graph): Handle collapsing.
        (do_simple_structure_copy): Return false if something bad
        happened.
        (collapse_rest_of_var): New function.
        (do_structure_copy): Collapse if do_simple_structure_copy returns
        false.
        
2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24589
        * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
        expressions to a statement list instead of gimplifying them.

2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
        that can't trap plus a constant integer, if the mode has zero size.

2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24620
        * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
        as operand 2.
        ("*insv<mode>_reg_extimm"): Likewise.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/24329
        * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
        c_common_type_for_mode returns an unnamed type.

2005-11-02  Richard Henderson  <rth@redhat.com>

        PR target/9350
        PR target/24374
        * dwarf2out.c (dwarf2out_reg_save_reg): New.
        (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
        * function.c (assign_parms): Use calls.internal_arg_pointer.
        (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
        code.
        * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
        (TARGET_CALLS): Add it.
        * target.h (struct gcc_target): Add calls.internal_arg_pointer.
        * targhooks.c (default_internal_arg_pointer): New.
        * targhooks.h (default_internal_arg_pointer): Declare.
        * tree.h (dwarf2out_reg_save_reg): Declare.
        * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
        * config/i386/i386.c (dbx_register_map): Add return column.
        (dbx64_register_map, svr4_dbx_register_map): Likewise.
        (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
        (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
        (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
        (ix86_save_reg): Save force_align_arg_pointer.
        (ix86_emit_save_regs): Make regno unsigned.
        (ix86_emit_save_regs_using_mov): Likewise.
        (ix86_expand_prologue): Handle force_align_arg_pointer.
        (ix86_expand_epilogue): Likewise.
        * config/i386/i386.h: (dbx_register_map): Update.
        (dbx64_register_map, svr4_dbx_register_map): Update.
        (struct machine_function): Add force_align_arg_pointer.
        * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
        (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
        (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.

2005-11-02  Jan Hubicka  <jh@suse.cz>

        PR target/23303
        * i386.md: Add peep2 for simplyfing array accesses.

2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24615
        * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
        * config/s390/s390.c (s390_decompose_shift_count): New function.
        (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
        (print_shift_count_operand): Use s390_decompose_shift_count.
        * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
        Use s390_decompose_shift_count.  Do not accept any non-base hard regs.

2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/24600
        * loop.c (loop_givs_rescan): Use force_operand to expand
        complex GIVs.

2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR 22429
        * fold-const.c (build_range_check): Use unsigned when signed
        overflow is undefined also.  If etype is subtype, make sure that
        the subtraction is in the supertype.

2005-11-02  Richard Henderson  <rth@redhat.com>

        PR target/24178
        * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
        by MEM_ALIGN.

2005-11-01  Richard Henderson  <rth@redhat.com>

        PR 21518
        * loop.c (scan_loop): Do not propagate computations to a hard
        register destination with SMALL_REGISTER_CLASSES.

2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
        costs for MULT inside PLUS or MINUS.

2005-11-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
        (TRAMPOLINE_SIZE): Round up to 60.
        * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.

2005-10-31  James E. Wilson  <wilson@specifix.com>

        PR debug/24444
        * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
        ifdef.  Put ifdefs around call in gen_subprogram_die.
        (compute_frame_pointer_to_cfa_displacement): Likewise.
        (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
        not defined.
        
        PR rtl-optimization/17356
        *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
        add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.

2005-10-31  Jan Hubicka  <jh@suse.cz>

        PR middle-end/24093
        * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative

        PR target/20928
        * i386.c (legitimize_pic_address): Deal with large immediates.

        PR profile/20815
        * coverage.c (coverage_checksum_string): Fix code to stip random seeds
        from symbol names while computing checkup.

        PR profile/24487
        * predict.c (predict_loops): Do not estimate more than
        MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
        * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.

2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
        
        PR tree-optimization/19097
        * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.

2005-10-31  J"orn Rennecke <joern.rennecke@st.com>

        * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.

2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23492
        * tree-inline.c (setup_one_parameter): If the init_stmt
        is NULL, don't insert the statement.

2005-10-30  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/24172
        * tree-inline.c (copy_body_r): Unshare the substituted value first.

2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
        constants for hosts with long != 32 bits.

2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>

        PR middle-end/24093
        * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.

2005-10-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/ms1/ms1.h (TARGET_MS1_64_001): New.
        (TARGET_MS1_16_002): New.
        (TARGET_MS1_16_003): New.

        * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
        ("*decrement_and_branch_until_zero_no_clobber"): New.
        Add corresponding splitter for decrement_and_branch_until_zero
        instruction.
        Key all decrement_and_branch_until_zero patterns off of
        TARGET_MS1_16_003.

2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24362
        * tree-complex.c (extract_component): Treat RESULT_DECL
        like the rest of the decls.

2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
        indirect call to _mcount if the function needs a static chain.

2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Caroline Tice  <ctice@apple.com>

        PR rtl-optimization/24460
        * dwarf2out.c (have_switched_text_sections): New boolean variable.
        (dwarf2out_switch_text_section): Set it to true instead of
        incrementing separate_line_info_table_in_use.
        (output_loc_list): Additionally test have_switched_text_sections.
        (output_ranges): Likewise.
        (dwarf2out_finish): Likewise.
        * varasm.c (assemble_start_function): Do not call
        insert_section_boundary_note.
        (assemble_end_function): If flag_reorder_blocks_and_partition,
        switch to the function's section before emitting the .size directive.
        * bb-reorder.c (insert_section_boundary_note): Staticify.
        (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
        * output.h (insert_section_boundary_note): Delete.

2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/23103
        * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
        instead of pointer equality when comparing types.

2005-10-24  James E. Wilson  <wilson@specifix.com>

        * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
        add_dependence_list_and_free calls.

2005-10-24  Steven Bosscher  <stevenb@suse.de>

        * contrib.texi: Add the names of the LLNL folks who donated
        Cray pointer support for gfortran.

2005-10-24  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24225
        * profile.c (branch_prob): Look from end to start through a
        basic block when looking for a locus.

2005-10-24  Richard Henderson  <rth@redhat.com>

        * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
        parallel.
        (hppa_expand_prologue): Likewise.

2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
        (NO_DEFERRED_PROFILE_COUNTERS): Define.
        * pa.h (NO_PROFILE_COUNTERS): Define.
        * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
        (funcdef_nos): New vector to hold label numbers of deferred profile
        counters.
        (output_deferred_profile_counters): New function.
        (hppa_profile_hook): Push label number onto funcdef_nos.
        (pa_hpux_file_end): Call output_deferred_profile_counters if
        NO_DEFERRED_PROFILE_COUNTERS is false.

        * pa-protos.h (get_deferred_plabel): New prototype.
        * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
        Make global.
        (output_call): Adjust calls.

2005-10-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
        peculiarity of GOT/TOC section usage.

2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/24435
         * c-common.c (constant_string_class_name): Add documentation.

2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/23832
        * recog.c (peephole2_optimize): Increment peep2_current_count
        only when the slot is empty.

2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/23957
        * except.c (output_function_exception_table): Call
        assemble_external_libcall if we need a personality function.

2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/24460
        * bb-reorder.c (fix_crossing_unconditional_branches): Do not
        set the basic block for barriers.

2005-10-21  Janis Johnson  <janis187@us.ibm.com>

        * var-tracking.c (vt_initialize): Initialize post.

2005-10-21  Devang Patel  <dpatel@apple.com>

        PR/24220
        * c-common.c (vector_types_convertible_p): Check vector element type.
        
2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Handle the address
        constant which is a tls symbolic address plus a constant.

2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/24473
        * gcc.c (main): Use the correct counter for erroring out
        about mulitple files.

2005-10-21  Alan Modra  <amodra@bigpond.net.au>

        PR target/24465
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
        use r2 for 64-bit tls .got access.

2005-10-21  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
        TRUTH_OR_EXPR.

2005-10-20  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24307
        * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.

2005-10-20  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/24295
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
        alias targets.
        * varasm.c (find_decl_and_mark_needed): After cgraph global info
        is ready, stop marking functions, but still mark variables.

2005-10-20  Richard Guenther  <rguenther@suse.de>

        PR c++/24439
        * fold-const.c (invert_truthvalue): Handle COND_EXPR with
        void type operands.

2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
        (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
        (may_trap_p_1): New predicate extracted from...
        (may_trap_p): ... here.  Invoke may_trap_p_1.
        (may_trap_or_fault_p): New predicate.
        * rtl.h (may_trap_or_fault_p): Declare it.
        * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
        instead of may_trap_p.
        (steal_delay_list_from_fallthrough): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        * function.c (pad_to_arg_alignment): Rework comment about
        SPARC_STACK_BOUNDARY_HACK.
        * config/sparc/sparc.h: Likewise.

2005-10-19  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_insv): New.
        * config/s390/s390-protos.h (s390_expand_insv): Declare.
        * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
        ("icm_hi"): Remove mode attribute.
        ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
        Adjust all uses.
        ("*extracthi", "*extractqi"): Remove.
        (extv<mode>", "*extzv<mode>"): New.
        ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
        "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * cfgexpand.c (discover_nonconstant_array_refs_r,
        discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
        (tree_expand_cfg): Call discover_nonconstant_array_refs.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
        discover_nonconstant_array_refs.

2005-10-19  Steven Bosscher  <stevenb@suse.de>

        PR c/23228
        * c-decl.c (pop_scope): Don't warn about an unused variable
        if it is marked with TREE_NO_WARNING.
        (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
        somenow mismatch and olddecl is to be replaced.

2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/23199
        * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
        whether registers live on the edge can be saved/restored.

2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (fixup_mova): Skip notes.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
        * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
        (s390_can_eliminate): Handle BASE_REGNUM elimination.
        (s390_initial_elimination_offset): Likewise.
        (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
        register on TARGET_ZARCH targets.
        * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
        (INITIAL_FRAME_POINTER_OFFSET): Remove.
        (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
        (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Comment describing output modifiers updated.
        * config/s390/s390.c (print_operand): Likewise.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Added check for -mstack-size
        64k limitation.
        * doc/invoke.texi: Mention that limit in the documenation.

2005-10-18  Paolo Bonzini  <bonzini@gnu.org>

        PR #19672
        * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.

2005-10-18  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/24231

        * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
        (compute_avail): Ditto.

2005-10-18  Richard Henderson  <rth@redhat.com>

        PR target/24428
        * config/i386/i386.c (legitimate_constant_p): Check
        SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
        if LABEL_REF.
        (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
        (legitimate_pic_address_disp_p): Reorg CONST checking to make
        sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
        directly.
        (print_operand_address): Likewise.
        * config/i386/predicates.md (x86_64_immediate_operand): Test
        SYMBOL_REF_TLS_MODEL properly inside CONST.
        (x86_64_zext_immediate_operand): Likewise.
        (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
        initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
        * config/i386/i386-protos.h: Remove predicates.md entries.

2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
        Check that elements of TYPE_METHODS are FUNCTION_DECLs.

2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
            Ian Lance Taylor <ian@airs.com>

        PR middle-end/23522
        * fold-const.c (fold_widened_comparison): Do not allow range based
        constant folding when right operand cannot be unwidened.

2005-10-17  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_synchronize): Build a new-style asm
        with a memory clobber.

2005-10-17  James E Wilson  <wilson@specifix.com>

        PR rtl-optimization/17356
        * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
        checking for EDGE_EH.

2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
        the slot on an even boundary for any type with 16-byte alignment.

2005-10-17  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * md.texi (Modifiers) <%>: Clarify that % doesn't work
        after register allocation.

2005-10-17  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
        as frame related.

2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
        overflow flags.

2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
        to 2 if it's already non-zero.
        (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
        is set and warn about it if flag_schedule_insns is 1.

2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Compare-and-branch instructions need to
        invalidate CC.

2005-10-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/24315
        * config/i386/i386.md (*pushdi2_rex64 splitter)
        (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
        (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
        flow2 pass only when (optimize > 0 && flag_peephole2).

2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/22544
        * gcc.c (have_c): New static variable.
        (have_o): Likewise.
        (process_command): Remove declation of have_c.
        Set have_o to 1 when handling -o.
        (main): Add a fatel error if there are multiple
        files specified and -o and -c/-S is passed witout
        -combine or multiple languages.

2005-10-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22444
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
        Assert that we don't hit something with subvars.
        (setup_pointers_and_addressables): Don't add things with subvars,
        because we'll already process the subvars for aliasing purposes.

2005-10-16  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
        ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
        ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
        ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
        ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
        swapped, alternatives for the R constraint.

        PR middle-end/24341
        * builtins.c (get_builtin_sync_mode): Make unlimited
        mode_for_size request.

2005-10-15  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
        (gimplify_expr): ... here.
        (gimplify_compound_lval): Use it in initial scan loop.  Allow
        fb_lvalue in base expression.

2005-10-15  Richard Henderson  <rth@redhat.com>

        PR 23714
        * builtins.c (expand_builtin_trap): Export.
        * expr.h (expand_builtin_trap): Declare.
        * expr.c (expand_assignment): Emit a trap for integral offsets 
        from registers that weren't reduced to bitpos.

        * tree-cfg.c (mark_array_ref_addressable_1): Remove.
        (mark_array_ref_addressable): Remove.
        * tree-flow.h (mark_array_ref_addressable): Remove.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.

2005-10-15  James E Wilson  <wilson@specifix.com>

        PR target/24232
        * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
        (add_dependence_list_and_free): Likewise.
        (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
        call.

2005-10-15  Diego Novillo  <dnovillo@redhat.com>

        PR 23141
        PR 23142
        * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
        sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
        anti-range.
        (vrp_visit_phi_node): Only prevent infinite iterations when
        the previous result and the new result are both VR_RANGEs.

2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * tree-into-ssa.c (mark_def_sites): Correct minor typo in
        function comment.

2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/23439
        * c-parser.c (c_parser_for_statement): Use location of RID_FOR
        to initialize loc.

2005-10-14  Per Bothner  <per@bothner.com>

        PR preprocessor/21250
        * c-ppoutput.c (print_line): Print internal line 0 as 1.

2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
        overflow flags.  Refactor some conditionals.

2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21304
        * tree-dfa.c (add_referenced_var): Only look at decls which
        have TREE_CONSTANT or TREE_READONLY set instead of if
        !TREE_PUBLIC or !TREE_CONSTANT.

2005-10-13  James E Wilson  <wilson@specifix.com>

        * doc/invoke.texi: For -x, add f95-cpp-input.
        * doc/install.texi: For --enable-languages doc, change f95 to fortran.

2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/24262
        * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
        in loop all the time.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * tree.h (DECL_TRANSPARENT_UNION): Remove.
        * function.c (assign_parm_find_data_types): Don't support it.
        * print-tree.c (print_node): Likewise.
        * c-common.c (handle_transparent_union_attribute): Likewise.
        Use build_duplicate_type.
        * tree-inline.c (remap_type_1): Split out of remap_type;
        properly remap aggregate fields.
        (build_duplicate_type): New.
        * doc/extend.texi (Variable Attributes): Remove documentation
        for transparent_union.

2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
        (gen_stack_pointer_dec): Likewise.

2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>

        PR middle-end/21275
        PR middle-end/21766
        * target.h (struct gcc_target): Add valid_dllimport_attribute_p
        target hook.
        (struct cxx): Add adjust_class_at_definition target hook.
        * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
        defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
        hook_void_tree. Add to TARGET_CXX.
        * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
        dllimport_flag.
        (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
        * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
        instead of attribute. Check for dllexport override.  Warn if
        inconsistent dll linkage. Don't lose old dllimport if decl has
        had address referenced.   Tweak lookup of dllimport atribute.  
        (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
        for target specific rules.  Don't add dllimport attribute if
        DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
        dllimport attribute. 
        (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
        * varasm.c (initializer_constant_valid_p): Replace
        DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P

        PR target/21801
        PR target/23589
        * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
        'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
        (i[34567]86-*-mingw32*): Likewise.

        * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
        (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
                        
        * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
        C++-specific code. Change return value to bool. 
        (i386_pe_dllimport_p): Likewise.
        (associated_type): Simplify and make language-independent
        (i386_pe_encode_section_info): Replace override of ambiguous
        dllimport symbol refs with a gcc_assert.
        (i386_pe_valid_dllimport_attribute_p): Define.
        * config/i386/winnt-cxx.c: New file. Define C++ versions of
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
        i386_pe_adjust_class_at_definition.
        * config/i386/winnt-stubs.c: New file. Define stub versions of
        lang-specific functions.
        * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
        i386_pe_adjust_class_at_definition.
        (i386_pe_valid_dllimport_attribute_p): Declare. 
        * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
        * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.

        PR target/19704
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
        dllimport attribute with test of DECL_DLLIMPORT_P.

2005-10-12  Adrian Straetling <straetling@de.ibm.com>

        * combine.c (make_extraction): Correct offset computation.

2005-10-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/t-linux (LIMITS_H_TEST): Define.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23324
        * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (CGRAPH_H): Depend on $(TREE_H).

2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/19964
        * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
        DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
        type.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        PR c++/23799
        * varasm.c (output_constant): Correct typo from previous
        patch by DJ.

2005-10-11  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/13931
        * combine.c: Revert patch of 2003-05-14, and:
        (try_combine): Only set elim_i1 and elim_i2 if the destination is
        completely killed in the appropriate insn.
        (distribute_notes): Don't skip multiple hard register test for
        elim_i1 and elim_i2.

2005-10-11  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * c-typeck.c (convert_for_assignment): Use build_constructor_single
        to initialize a transparent union instead of a nop_expr.

2005-10-11  Richard Henderson  <rth@redhat.com>

        * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
        * tree-ssa-dce.c: Include tree-scalar-evolution.h.
        (tree_ssa_dce_loop): Call scev_reset.

        PR tree-opt/24300
        * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
        * tree-ssa-dce.c: Include cfgloop.h.
        (tree_ssa_dce_loop, pass_dce_loop): New.
        * tree-pass.h (pass_dce_loop): Declare it.
        * passes.c (init_optimization_passes): Use it.

2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/24263 
        * convert.c (convert_to_real): Revert 2005-10-05 patch.
        Only apply the optimization for rounding builtins if the inner
        cast is also an extension.

2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23946
        * tree-ssa-ccp.c (execute_fold_all_builtins): Call
        mark_new_vars_to_rename instead of update_stmt.

2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.

2005-10-11  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
        for setting MMX register to 0 rather than mmx.

2005-10-10  Steve Ellcey  <sje@cup.hp.com>

        PR target/12098
        * configure.ac: Move gas check from mips specific case to common case.
        Do check for GNU as for mips*-*-* and *-*-hpux* targets.
        * configure: Regenerate
        * doc/install.texi: Update.

2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.

2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>

        * gcc.c (do_spec_1): Accept numeric characters in file name
        suffixes.

2005-10-10  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
        describing the deleted arm_gen_rotated_half_load function.

2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
        __fpscr_values.

2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>

        * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
        gnu_ld assignments.
        * config/arm/t-linux-eabi (LIB1ASMFUNCS)
        (EXTRA_MULTILIB_PARTS): Define.
        * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
        * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.

2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24226
        * tree-cfg.c (remove_bb): Clean up unreachable loops.
        * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
        * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
        Export.

2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.

2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/24136
        * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
        Rewrite for no need for the early clobber.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        Merge from csl-arm-branch:
        2005-09-07  Paul Brook  <paul@codesourcery.com>
        * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
        space to string.

        2005-04-30  Paul Brook  <paul@codesourcery.com>
        * config/arm/bpabi.h (TARGET_DEFAULT): Define.
        * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.

        2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
        (arm_override_options): Use TARGET_AAPCS_BASED.
        * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
        (PTRDIFF_TYPE): Use int for AAPCS.
        (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
        * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
        (DEFAULT_SHORT_ENUMS): Delete.
        * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.

        2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
        * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
        * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.

        2004-12-03  Mark Mitchell  <mark@codesourcery.com>
        * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.

        2004-11-22  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
 
        2004-11-19  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Add it.
        * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
        redefining it.
        (TARGET_OS_CPP_BUILTINS): Likeiwse.
        * config/arm/linux-eabi.h: New file.
        * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
        (LINUX_TARET_LINK_SPEC): Likewise.
        (LINK_SPEC): Use it.
        * config/arm/t-linux-eabi: New file.

2005-10-08  Steven Bosscher  <stevenb@suse.de>

        PR other/22202
        * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
        spaces.
        (PARAM_SMS_DFA_HISTORY): Likewise.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23150
        * calls.c (mem_overlaps_already_clobbered_arg_p): New.
        (load_register_parameters): Call it.
        (check_sibcall_argument_overlap_1): Likewise.
        (store_one_arg): Likewise.

2005-10-07  James E. Wilson  <wilson@specifix.com>

        * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
        DImode not VECINT24 for operand 2.

        PR target/23644
        * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
        -mtune-arch.

        PR target/24193
        * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
        fr_spill): Use destination_operand for operand 0.

2005-10-07  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Limit error to expanding
        conversions.

2005-10-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24227
        * fold-const.c (fold_binary): Fix operand types during folding
        of X op (A, Y).  Evaluation order of the side-effects of
        X and A are frontend-defined, so ensure we honour that even for
        tcc_comparison class operands; eased by removing duplicate code.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * stor-layout.c (layout_type): Do not allow alignment of array
        elements to be greater than their size.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
        host_xmake_file.
        (hppa*-*-linux*): Ditto.
        (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
        * config/host-hpux.c: New.
        * config/x-hpux: New.
        * config/pa/x-hpux: Remove.
        * config/pa/x-linux: Remove.
        * config/pa/pa-host.c: Remove.

2005-10-07  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
        determine whether or not to try and thread outgoing edges.

2005-10-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eqsi_power): New.
        (neg_eq0si): Add TARGET_POWER to final condition.
        (neg_eqsi): Same.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c: Revert last change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Use it.

2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22216
        PR middle-end/23651
        * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
        out return_label and naked_return_label.

2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
        
        * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
        change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22237
        * tree-inline.c (declare_return_variable): Handle modify_dest not
        being a DECL.

2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
        
        Fix PR tree-optimization/22488
        * tree-ssa-structalias.c (check_for_overlaps): New function.
        (create_variable_info_for): Use it.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR debug/24070
        * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
        (dwarf2out_start_source_file): Print it.

2005-10-06  Geoffrey Keating  <geoffk@apple.com>

        * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 23706
        * mode-switching.c (optimize_mode_switching): Clear transp bit
        for block with incomming abnormal edges.

        * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
        (fpscr_set_from_mem): Use them.
        * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
        (fpscr postinc splitters): Rewrite as peephole2+split.

2005-10-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
        (eq<mode>_compare): Same.

2005-10-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24238
        * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.

2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
        here.  Use AC_PATH_PROG for environment variables instead of
        test -x.
        * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
        objdump also.
        * configure: Regenerated.

2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23783
        * arm.md (call): If the address isn't a SYMBOL_REF or a register,
        then force it into a register.
        (call_value): Likewise.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 24049
        * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
        under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
        under pass_vectorize.

2005-10-05  Devang Patel  <dpatel@apple.com>

        PR Debug/23205
        * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
        handling constants. Check NAMESPACE_DECL context for constants.
        
2005-10-05  Eric Christopher  <echristo@apple.com>

        * doc/md.texi (Standard Names): Fix name of pushm1 pattern.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR 23714
        * tree-cfg.c (mark_array_ref_addressable_1): New.
        (mark_array_ref_addressable): New.
        * tree-flow.h (mark_array_ref_addressable): Declare.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.

2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20606
        PR middle-end/24069
        * reload.c (subst_reloads): When adding a REG_LABEL to a
        jump instruction, also update JUMP_LABEL.

2005-10-05  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
        * bb-reorder.c (copy_bb_p): Use it.
        * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR target/23602
        * toplev.c (process_options): Warn about unsupported combinations
        of unwind tables and omit-frame-pointer.
        * config/i386/i386.c (override_options): Similarly.  Enable
        accumulate-outgoing-args if not explicitly disabled.

2005-10-05  Steve Ellcey  <sje@cup.hp.com>

        * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
        Handle big endian vs. small endian.
        (vec_initv2sf): Handle big endian vs. small endian.
        (*vec_extractv2sf_1): Ditto.

2005-10-05  Dale Johannesen  <dalej@apple.com>

        * convert.c (convert_to_real):  Don't convert
        (float)floor(double d) to floorf((float)d).

2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_int_mode in more places.

2005-10-05  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/18587
        * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
        (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
        build_vuses): Change to VEC type.
        (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
        opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
        opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
        opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
        (get_name_decl): New.  Return DECL_UID of base variable.
        (operand_build_cmp): New.  qsort comparison routine.
        (operand_build_sort_virtual): New.  Sort virtual build vector.
        (init_ssa_operands, fini_ssa_operands): Use VEC routines.
        (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
        (FINALIZE_BASE): Use get_name_decl.
        (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
        finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
        (start_ssa_stmt_operands, append_def, append_use, append_vuse,
        append_v_may_def, append_v_must_def): Replace opbuild_* routines with
        direct VEC_* manipulations.
        (build_ssa_operands): Call operand_build_sort_virtual.
        (copy_virtual_operand, create_ssa_artficial_load_stmt,
        add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
        with direct VEC_* manipulations.
        * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
        with direct VEC manipulations.

2005-10-05  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21419
        PR tree-optimization/24146
        PR tree-optimization/24151

        * c-typeck.c (readonly_error): Handle USE being lv_asm.
        (build_asm_expr): Call it if outputs are read-only.
        * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.

2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
            Paolo Bonzini  <bonzini@gnu.org>

        PR target/23809

        * doc/extend.texi (x86 Built-ins): Document that -msse and friends
        enable the instructions and not just the built-ins.
        * doc/invoke.texi (x86 Options): Likewise.

2005-10-04  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.

        * doc/invoke.texi (Option Summary): Correct spelling
        of -mmacosx-version-min.

2005-10-04  Devang Patel  <dpatel@apple.com>

        * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
        real types.

2005-10-04  Steve Ellcey  <sje@cup.hp.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction):
        Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.

2005-10-04  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("TDSI","DP"): New mode macros.
        ("TE","tg"): New mode attributes.
        ("sync_compare_and_swap<mode>"): Replace with a define_expand.
        ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
        ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
        dword_mode and one for GPRmode.

2005-10-04  Ian Lance Taylor  <ian@airs.com>

        PR preprocessor/13726
        * c-ppoutput.c (cb_include): Add comments parameter, and print out
        any comments passed in.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (annotate_with_file_line): Fix typo.

2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR ada/19382
        * builtins.c (fold_builtin_memcmp): When constructing the pointer
        type used to access data in the inlined length == 1 case, use
        build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
        (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.

2005-10-04  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (TARGET_FISTTP): Enable also for
        TARGET_SSE3 and only for TARGET_80387.
        * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
        (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
        Do not depend on TARGET_80387.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (last_annotated_node): Change type to location_t*.
        (annotate_with_file_line): Reflect the change of
        last_annotated_node type.

2005-10-04  Richard Guenther  <rguenther@suse.de>

        PR c/23576
        * c-decl.c (grokdeclarator): Don't write to fields
        of error_mark_node.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23125
        * c-decl.c (finish_decl): Use set_user_assembler_name even for
        register variables.
        * varasm.c (make_decl_rtl): If a register variable does not
        have a set user assmbler name, error out.
        Decode the asmspec is now name+1 bypassing '*'.

2005-10-04  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23049
        * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
        of a COND_EXPR is folded before calling fold on the whole rhs of a
        conditional assignment.
        * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
        document that a COND_EXPR may appear there.

2005-10-03  Diego Novillo  <dnovillo@redhat.com>

        PR 23445
        * tree-vrp.c (extract_range_from_assert): If the new numeric
        range created out of the assertion contradicts the existing
        numeric range of the ASSERT_EXPR variable, make the new range
        varying.

2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_register_move_cost): Add case for moving
        from T_REGS to FP register class.

2005-10-03  Richard Henderson  <rth@redhat.com>

        PR 24135
        * tree-nested.c (convert_nl_goto_reference): Lookup a translation
        before creating a new one.

2005-10-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (LDFLAGS): New.
        * config/rs6000/t-aix52 (LDFLAGS): New.

2005-10-03  Ian Lance Taylor  <ian@airs.com>

        * gimplify.c (find_single_pointer_decl_1): New static function.
        (find_single_pointer_decl): New static function.
        (internal_get_tmp_var): For a formal variable, set restrict base
        information if appropriate.
        * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
        return it.
        * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
        (DECL_GET_RESTRICT_BASE): Define.
        (SET_DECL_RESTRICT_BASE): Define.
        (decl_restrict_base_lookup): Declare.
        (decl_restrict_base_insert): Declare.
        (struct tree_decl_with_vis): Add based_on_restrict_p field.
        * tree.c (restrict_base_for_decl): New static variable.
        (init_ttree): Initialize restrict_base_for_decl.
        (copy_node_stat): Copy restrict base information.
        (decl_restrict_base_lookup): New function.
        (decl_restrict_base_insert): New function.
        (print_restrict_base_statistics): New static function.
        (dump_tree_statistics): Call print_restrict_base_statistics.

2005-10-02  Diego Novillo  <dnovillo@redhat.com>

        PR 24142
        * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
        case of anti-ranges.

2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/18851
        * c-typeck.c (tagged_tu_seen): Rename to ...
        (tagged_tu_seen_cache): this and add val field.
        (comptypes): Move functional to comptypes_internal
        and free tagged_tu_seen.
        (comptypes_internal): New function and call comptypes_internal
        instead of comptypes. Speed up by sibcalling
        tagged_types_tu_compatible_p.
        (alloc_tagged_tu_seen): New function
        (free_all_tagged_tu_seen_up_to): New function.
        (tagged_types_tu_compatible_p): Return the val of the seen two
        types.
        Add that the two types are the same to tagged_tu_seen_base
        if they are and call comptypes_internal instead of comptypes.
        <case UNION_TYPE>: Speed up common type where the fields are
        in the same order.
        (function_types_compatible_p): Call comptypes_internal instead of
        comptypes.
        (type_lists_compatible_p): Likewise.
        (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.

2005-10-02  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Fix typo and speling error.

2005-10-01  Richard Henderson  <rth@redhat.com>

        * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.

2005-10-01  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
        using --start-group and --end-group.

2005-10-01  Diego Novillo  <dnovillo@redhat.com>

        * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
        FIXME note regarding quirky semantics.

2005-10-01  Diego Novillo  <dnovillo@redhat.com>

        PR 24141
        * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
        non-null range as a last resort.

2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
            Diego Novillo  <dnovillo@redhat.com>

        PR 23604
        * tree-vrp.c (extract_range_from_assert): For !=
        assertions, only build an anti-range if LIMIT is a
        single-valued range.

2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (movqi): On thumb when optimizing, handle loading from
        memory by describing this as taking a subreg of a zero-extended load
        into an SImode register.
        (movhi): Likewise.

2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * reload1.c (merge_assigned_reloads): Do not change any
        RELOAD_FOR_OUTPUT_ADDRESS reloads.

2005-09-30  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (LIPO_FOR_TARGET): Define.
        (STRIP_FOR_TARGET): Define.

        * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
        before creating new ones.  Do symlinks before creating the actual
        targets.

        * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
        to work out which multilibs are actually being built.

2005-09-30  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vect-transform.c, config/ms1/ms1.md,
        config/s390/s390.c, config/v850/v850.md: Fix comment typos.
        Follow spelling conventions.
        * doc/invoke.texi, doc/md.texi: Fix typos.

2005-09-30  Andrew Macleod  <amacleod@redat.com>

        PR tree-optimization/21430
        * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
        use operands, and set stmt pointer if need be.
        (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
        tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
        present.

2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        PR middle-end/24053
        * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.

2005-09-29  Mark Mitchell  <mark@codesourcery.com>

        * optabs.c (expand_binop): Initialize first_pass_p.

2005-09-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/24109
        * c-decl.c (c_write_global_declarations_1): If any
        wrapup_global_declaration_2 call returned true, restart the loop.

2005-09-29  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/24117
        * tree-ssa-structalias.c (find_func_aliases): Strip nops
        before considering whether to use anyoffset.

2005-09-29  Paolo Bonzini  <bonzini@gnu.org>

        Revert this patch:

        2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-09-29  Paolo Bonzini  <bonzini@gnu.org>

        PR c/21419
        * gimplify.c (gimplify_asm_expr): Raise an error if an output is
        read-only.

2005-09-29  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23911
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
        and IMAGPART_EXPR too.

2005-09-28  Mark Mitchell  <mark@codesourcery.com>

        PR 17886
        * expmed.c (expand_shift): Move logic to reverse rotation
        direction when  rotating by constants ...
        * optabs.c (expand_binop): ... here.
        * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
        (ix86_rotrdi3): New pattern.
        (rotldi3): Handle 32-bit mode.
        (ix86_rotldi3): New pattern.

2005-09-29  Alan Modra  <amodra@bigpond.net.au>

        PR target/24102
        * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
        check for numbers that need no bit twiddle.

2005-09-28  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/t-darwin8: Uncomment contents, allow -m64
        multilib to be built.

        * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
        (stage1-start): Delete old libgcc and libunwind before moving
        anything into the stage directory.
        (stage2-start): Likewise.
        (stage3-start): Likewise.
        (stage4-start): Likewise.
        (stageprofile-start): Likewise.
        (stagefeedback-start): Likewise.
        * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
        header in tm_file and CPU-specific t-darwin in tmake_file.
        (i[34567]86-*-darwin*): Don't change tm_file.
        (powerpc-*-darwin*): Don't change tm_file or tmake_file.
        * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
        shared library stub for target OS version.
        * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
        (SHLIB_LINK): Don't make SHLIB_SOLINK.
        (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
        (libgcc_s.%.dylib): New.
        (LIBGCC): Define.
        (install-darwin-libgcc-stubs): New.
        (INSTALL_LIBGCC): New append.
        * config/i386/darwin-libgcc.10.4.ver: New.
        * config/i386/darwin-libgcc.10.5.ver: New.
        * config/i386/t-darwin: New.
        * config/rs6000/darwin-libgcc.10.4.ver: New.
        * config/rs6000/darwin-libgcc.10.5.ver: New.
        * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
        * config/rs6000/t-darwin (SHLIB_VERPFX): Define.

2005-09-28  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
        denormals.

2005-09-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23853
        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
        host_integerp to verify misalignment value.

2005-09-28  Richard Henderson  <rth@redhat.com>

        * builtins.c (get_builtin_sync_mode): New.
        (expand_builtin_sync_operation): Pass in mode argument.
        (expand_builtin_compare_and_swap): Likewise.
        (expand_builtin_lock_test_and_set): Likewise.
        (expand_builtin_lock_release): Likewise.
        (expand_builtin): Update to match.

2005-09-28  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
        formatting.  Add check to PLUS case to ensure that the offset is
        within an acceptable range.

        * config/v850/v850.md (casesi): Disable the generation of the
        switch pattern as it is not being handled properly at the moment.

        * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
        for when the high words are identical.

2005-09-27  Richard Henderson  <rth@redhat.com>

        * pretty-print.c (pp_base_format): Fix typo for %>.

2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
            Devang Patel  <dpatel@apple.com>

        PR tree-optimization/23625
        * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
        LABEL_EXPR, assertion check.

2005-09-27  J"orn Rennecke <joern.rennecke@st.com>

        * optabs.c (no_conflict_move_test): Check if a result of a
        to-be-moved insn would be clobbered by an originally
        preceding insn.

2005-09-27  Jeff Law  <law@redhat.com>

        * passes.c (init_optimization_passes): Replace copy propagation
        passes immediately after DOM with phi-only copy propagation
        pases.  Add phi-only copy propagation pass after first DOM pass.
        * tree-pass.h (pass_phi_only_copy_prop): Declare.
        * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
        If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
        (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
        to init_copy_prop.  Callers updated.
        (do_phi_only_copy_prop): New function.
        (pass_phi_only_copy_prop): New pass descriptor.

2005-09-27  Nick Clifton  <nickc@redhat.com>

        * libgcc2.c (__popcount_tab): Remove redundant prototype.

2005-09-26  Jason Merrill  <jason@redhat.com>

        PR c++/13764
        * c-common.c (finish_fname_decls): Use append_to_statement_list_force.

        * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.

2005-09-26  James E Wilson  <wilson@specifix.com>

        * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
        copyright.  Add gcc copyright plus libgcc exception.
        * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
        copyright.
        * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.

2005-09-26  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
        about when to iterate.

2005-09-23  Fariborz Jahanian <fjahanian@apple.com>

        PR target/23847
        * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
        for __complex__ double in -mcpu=G5 mode.

2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23942
        * Makefile.in (SCEV_H): Depends on PARAMS_H.
        * tree-scalar-evolution.c: Include params.h.
        (t_bool): New enum.
        (follow_ssa_edge, follow_ssa_edge_in_rhs,
        follow_ssa_edge_in_condition_phi_branch,
        follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
        Change return type to t_bool.  Use a parameter to limit the size of
        trees that are walked before stopping
        (analyze_evolution_in_loop): Initialize the limit to 0.
        (follow_ssa_edge): Give up by returning t_dont_know if the limit
        exceeds PARAM_SCEV_MAX_EXPR_SIZE.

2005-09-26  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/23831
        * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
        simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.

2005-09-26    Fariborz Jahanian <fjahanian@apple.com>

        * combine.c (make_extraction): Check for valid use of subreg.

2005-09-26  Uros Bizjak  <uros@kss-loka.si>

        PR target/24055
        * config/i386/i386.md ("*fistdi2_1"): New pattern.
        ("*fist<mode>2_1"): Use only HImode and SImode register operands.
        ("fist<mode>2_with_temp"): Use only register operands.

2005-09-26  J"orn Rennecke <joern.rennecke@st.com>

        * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
        CALL_INSN_FUNCTION_USAGE.

2005-09-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15855
        * gcse.c: Include hashtab.h, define ldst entry hashtable.
        (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
        (ldst_entry): Use the hashtable instead of list-walking.
        (find_rtx_in_ldst): Likewise.
        (free_ldst_entry): Free the hashtable.
        (compute_ld_motion_mems): Create the hashtable.
        (trim_ld_motion_mems): Remove entry from hashtable if
        removing it from list.
        (compute_store_table): Likewise^2.
        (store_motion): Free hashtable in case we did not see
        any stores.

2005-09-25  Kazu Hirata  <kazu@codesourcery.com>

        * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
        and arg1 if we are passing them to fold_build2.

2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>

        PR 23828
        * config/i386/i386.c (ix86_function_regparm): Fix the test for
        a nested function.

2005-09-25  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
        SYMBOL_REF_TLS_MODEL to be correct.

2005-09-24  Richard Henderson  <rth@redhat.com>

        * ipa-type-escape.c (discover_unique_type): Remove dead code at
        end of function.  Reindent.

2005-09-24  Ian Lance Taylor  <ian@airs.com>

        * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
        NEGATE_EXPR/BIT_NOT_EXPR case.

2005-09-24  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_mode_attribute): When not modifying in place,
        create subtypes for enumerations.
        (sync_resolve_return): Use TYPE_MAIN_VARIANT.
        * gimplify.c (create_tmp_from_val): Likewise.

2005-09-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/i386.md (*tls_global_dynamic_64,
        *tls_local_dynamic_base_64): Add missing mode to call.
        (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.

2005-09-24  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
        (cgraph_clone_node): Likewise.
        * cgraph.h (cgraph_clone_edge): Update prototype.
        (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
        duplicated prototypes; add updating argument.
        * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
        updating profile.
        (cgraph_mark_inline_edge): Likewise.
        (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
        (cgraph_flatten_node): Likewise.
        (cgraph_decide_recursive_inlining): Likewise.
        (cgraph_decide_inlining_of_small_function): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.

2005-09-23  David Edelsohn  <edelsohn@gnu.org>
            Pete Steinmetz <steinmtz@us.ibm.com>

        * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
        (rldic.): Set type to "compare".
        (rldicr.): Same.
        (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
        mfjmpr for MFCTR/MFLR.
        (movdf_hardfloat64): Same.
        (movdf_softfloat64): Same.  Correct order of store and move types.
        (movti_string): Set type to store_ux/load_ux.
        (load_multiple): Set type to load_ux.
        (store_multiple): Set type to store_ux.
        (movmemsi): Set type to store_ux.
        (output_cbranch direct_return): Set type to jmpreg.
        (stmw): Set type to store_ux.
        (lmw): Set type to load_ux.
        * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
        * config/rs6000/440.md (ppc440-store): Increase latency to 6.
        * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
        * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
        * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
        * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
        (rios1-fpstore): Increase latency to 3.
        * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
        * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.

2005-09-23  David Edelsohn  <edelsohn@gnu.org>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
        operand2 constraint to "b".
        (sync_<fetchop_name>di_internal): Same.
        (sync_old_<fetchop_name>si_internal): Change operand3 constraint
        to "b".
        (sync_old_<fetchop_name>di_internal): Same.
        (sync_new_<fetchop_name>si_internal): Same.
        (sync_new_<fetchop_name>di_internal): Same.

2005-09-23  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23991
        * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
        case, define as macros.

        PR rtl-optimization/23837
        *  optabs.c (no_conflict_move_test): Don't set must_stay for a
        clobber / clobber match between dest and p->first.

        * optabs.c (emit_libcall_block): Use no_conflict_move_test.
        (no_conflict_move_test): Update comments.

2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * doc/install.texi: Update URL for Jacks.
        * doc/sourcebuild.texi: Likewise.

2005-09-22  David Edelsohn  <edelsohn@gnu.org>

        PR target/24007
        * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
        registers when choosing register preferences.
        (movdf_hardfloat64): Same.

2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>

        * expmed.c (expand_shift): Don't use the target of the rotate as
        target for the first expanded shift insn.
        * testsuite/gcc.dg/20050922-1.c: Testcase added.

2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22438
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
        preserved iv rhs rewriting specially.

2005-09-21  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (analyze_array_indexes): Only estimate when
        estimate_only  is true.
        * tree-flow.h (ref_contains_indirect_ref): New prototype.
        * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
        tree-ssa-structalias.c
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
        ref_contains_indirect_ref.
        * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.

2005-09-21  DJ Delorie  <dj@redhat.com>

        * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
        MASK_PTR_A0D0.
        (mn10300_return_in_memory): Support variable size types also.
        (mn10300_pass_by_reference): Likewise.
        (mn10300_function_value): New.
        * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
        (FUNCTION_OUTGOING_VALUE): Likewise.
        * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
        * doc/invoke.texi: Document it.

2005-09-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/22585
        * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
        force integer op1 into register for XFmode compares.

2005-09-21  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23971
        * expmed.c (alg_code): Add alg_impossible.
        (alg_hash_entry): Add cost.
        (synth_mult): Record alg_impossible in the hash table if
        multiplication by a given integer is impossble within the
        limit.  Speed up using alg_impossible.

2005-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
        argument.  Allow and set any offset if needs_anyoffset is passed
        in.
        (get_constraint_for): Add argument here too.
        Pass it down.
        (do_structure_copy): Pass NULL to get_constraint_for.
        (handle_ptr_arith): Ditto.
        (find_func_aliases): Ditto.

2005-09-20  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/23898
        * output.h (get_attr_min_length): Declare.
        * final.c (get_attr_length_1): New function, broken out of:
        (get_attr_length).
        (get_attr_min_length): New function.
        * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
        (duplicate_computed_gotos): Likewise.
        * genattr.c (insn_min_length): Generate declaration.
        * genattrtab.c (min_fn, min_attr_value): New functions.
        (make_length_attrs): Generate insn_min_length.

2005-09-20  Steve Ellcey  <sje@cup.hp.com>

        * config/pa/pa.c (output_cbranch): Check for zero in operands[2].

2005-09-20  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/24059
        * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
        EXPAND_STACK_PARM.

2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (fextended-identifiers): New.
        * c-opts.c (c_common_handle_option): Handle
        -fextended-identifiers.
        * doc/cpp.texi: Update documentation of extended identifiers.
        * doc/cppopts.texi (-fextended-identifiers): Document.

2005-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/23929
        * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
        if expr is NULL.

        PR tree-optimization/23818
        * tree-stdarg.c (execute_optimize_stdarg): Call
        calculate_dominance_info.

2005-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (get_number_of_iters_for_loop): New function.
        (analyze_siv_subscript_cst_affine): Add weak SIV test.
        (compute_overlap_steps_for_affine_1_2): Use
        get_number_of_iters_for_loop.
        (analyze_subscript_affine_affine): Check whether difference is
        zero first.
        Use get_number_of_iters_for_loop.
        Check whether overlap occurs outside of bounds.
        (analyze_miv_subscript): Use get_number_of_iters_for_loop.

2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
        base register if possible.

2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18463
        * tree-chrec.c (chrec_convert): Return fold_converted chrec if
        converting it directly is not possible.
        (chrec_convert_aggressive): New function.
        * tree-chrec.h (chrec_convert_aggressive): Declare.
        * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
        Fold chrec conversions aggressively if asked to.
        (instantiate_parameters): Modified because of changes in
        instantiate_parameters_1.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
        (reduc_splus_v2df): New.

2005-09-19  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
        (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
        vcondu<SSEMODE12>.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_expand_widen_sum): New.
        (ia64_expand_dot_prod_v8qi): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
        widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
        sdot_prodv8qi, sdot_prodv4hi): New.
        (reduc_splus_v2sf): Rename from reduc_plus_v2sf.

2005-09-19  Richard Henderson  <rth@redhat.com>

        PR 23941
        * real.c (exact_real_truncate): Return false if the format cannot
        represent the number as a normal.

        * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
        for a memory source.

2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-ssa-operands.c (swap_tree_operands): Export.
        * tree.h (swap_tree_operands): Declare.
        * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
        Call swap_tree_operands.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * tree-flow.h (merge_alias_info): Declare.
        * tree-ssa-copy.c (merge_alias_info): Export.
        * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
        (vect_create_data_ref_ptr): Use create_iv directly.
        (vectorizable_load): Use correct types for integer constants.
        (vect_generate_tmps_on_preheader): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.

2005-09-19  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23943
        * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.

2005-09-18  Jan Hubicka  <jh@suse.cz>

        * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.

2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (output_constant): Do not abort on conversions to union
        types between different sizes.

2005-09-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23944
        * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
        fallback.

2005-09-18  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
        * tree-ssa-loop.c (pass_vect_dce): Remove.
        * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
        of pass_vectorize.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * tree-pass.h (pass_vect_dce): Declare.
        * passes.c (init_optimization_passes): Add it.
        * tree-flow.h (tree_ssa_dce): Declare.
        * tree-ssa-dce.c (tree_ssa_dce): Export.
        * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
        (gate_tree_vectorize): ... here.
        (pass_vect_dce): New.

2005-09-17  Jan Hubicka  <jh@suse.cz>

        * except.c (struct eh_status): Turn region_array into vec.
        (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
        convert_from_eh_region_ranges, find_exception_handler_labels,
        current_function_has_exception_handlers, assign_filter_values,
        build_post_landing_pads, dw2_build_landing_pads,
        sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
        sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
        foreach_reachable_handler, can_throw_internal_1,
        convert_to_eh_region_ranges, verify_eh_tree): Update uses of
        region_array.
        (duplicate_eh_region_1): Update region_array.
        (duplicate_eh_regions): Resize region_array and avoid recomputing.

2005-09-17  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/22067
        * expmed.c (expand_mult): Substitute simple register for op0 when
        computing max_cost.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * expr.c (emit_move_via_integer): Add force argument, pass it on
        to emit_move_change_mode.  Update callers.
        (emit_move_complex): Pass true to new force argument.
        * function.c (expand_function_end): Move expand_eh_return call
        earlier.  Merge sub-word complex values into a pseudo before
        copying to the return hard register.

2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
        between different sizes.

2005-09-16  Paolo Bonzini  <bonzini@gnu.org>

        PR 23903

        * passes.c (init_optimization_passes): Register dump files for
        IPA passes first.

2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
        * config/s390/s390.c (s390_overlap_p): New function.
        * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
        peephole2, "*xc" peephole2): Added overlap check to the peephole2
        condition.

2005-09-16  Richard Guenther  <rguenther@suse.de>

        * ipa-pure-const.c (static_execute): Free auxiliar information.
        * ipa-type-escape.c (discover_unique_type): Free temporary key.
        * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.

2005-09-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.

2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-09-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (analyze_array_indexes): Add estimate_only
        parameter.
        Update callers.
        (estimate_iters_using_array): New function.
        * tree-data-ref.h (estimate_iters_using_array): Prototype
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Use estimate_iters_using_array instead of analyze_array.

2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
        as addressable.

2005-09-15  Michael Matz  <matz@suse.de>

        * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.

2005-09-14  Daniel Berlin  <dberlin@dberlin.org>

        PR tree-optimization/23835
        * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
        (create_name_tags): Rewrite to be not O(num_ssa_names^2).

2005-09-14  Richard Henderson  <rth@redhat.com>

        * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
        (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.

2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
        in the ARRAY_TYPE case.

2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.

2005-09-14  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/22480
        * tree-vect-transform.c (vectorizable_operation): Return false for
        scalar shift operations and for vector shift operations with
        non-invariant shift arguments.  Use scalar tree operand op1 as
        a shift operand when vector shift insn pattern uses scalar shift
        operand.
        * Makefile.in (tree-vect-transform.o): Depend on recog.h.

2005-09-14  Olivier Hainque  <hainque@adacore.com>

        * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
        value if it has side-effects.

2005-09-14  David Edelsohn  <edelsohn@gnu.org>

        PR target/22068
        * config/rs6000/rs6000.md (muldi3): Add mulli alternative.

2005-09-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
        passed as NAME as if it were label at start of function code.

2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (*movv4sf_i): Add general register cases to
        the constraints.

2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
        as early clobber.  Rewrite so the PIC register is not implicitly used.

2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree.c (annotate_with_file_line): Compare line numbers before
        file names.

2005-09-13  Uros Bizjak  <uros@kss-loka.si>

        PR target/23816
        * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
        (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.

2005-09-13  Ian Lance Taylor  <ian@airs.com>

        * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
        than a HOST_WIDEST_INT to gen_doloop_begin.

2005-09-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (dump_variable): Guard against NULL annotations.

2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimize/23817
        * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.

2005-09-13  Alan Modra  <amodra@bigpond.net.au>

        PR target/23774
        * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
        word before changing the stack pointer.  Use gen_frame_mem for MEMs.
        Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
        (restore_stack_nonlocal): Likewise.
        (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.

2005-09-12  Ian Lance Taylor  <ian@airs.com>

        PR g++/7874
        * c.opt (ffriend-injection): New C++ option.
        * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
        (C++ Dialect Options): Document -ffriend-injection.

2005-09-12  Josh Conner  <jconner@apple.com>

        PR middle-end/23237
        * ipa-reference.c (static_execute): Don't mark variables in
        named sections TREE_READONLY.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
        stack_tie.

2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
        V_MUST_DEF instead of just the first_use_p.
        Don't mark the virtual variables for renaming on the statement which
        is being removed.
        (pass_dse): Remove TODO_update_ssa.

2005-09-12  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23290
        * stor-layout.c (compute_record_mode): For records with a single
        field, actually check the field's mode size against the type size.

        * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
        registers for TARGET_SHMEDIA.
        (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
        GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
        of GENERAL_REGS and FP_REGS.

2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
        CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
        are omitted.  Exclude stack_tie insn too.

2005-09-11  David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/23098
        * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
        0.0f is easy.
        * config/rs6000/rs6000.md (movdf splitter): Use
        const_double_operand predicate for TARGET_POWERPC64.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
        SYMBOL_REF method to ABI_V4.

        * config/rs6000/altivec.md (build_vector_mask_for_load): Use
        replace_equiv_address.
        * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
        rs6000_sr_alias_set and MEM_NOTRAP.
        (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().

2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (contains_placeholder_p) <tcc_expression>: Properly
        handle CALL_EXPR again.

2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm/predicates.md (alignable_memory_operand): Delete.

2005-09-10  Richard Henderson  <rth@redhat.com>

        PR debug/23806
        * dbxout.c (dbxout_expand_expr): New.
        (dbxout_symbol): Use it.

2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_gen_rotated_half_load): Delete.
        (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
        (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
        (thumb_set_return_address): Likewise.
        (thumb_load_double_from_address): Use adjust_address.
        * arm.md (splits calling arm_gen_rotated_half_load): Delete.
        (extendhsisi2_mem, movhi_bytes): Use change_address.
        (movhi): Use widen_memory_access.
        (reload_out_df): Use replace_equiv_address.
        * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.

2005-09-09  Richard Henderson  <rth@redhat.com>

        PR debug/20998
        * dbxout.c: Include expr.h.
        (dbxout_global_decl): Don't suppress for DECL_RTL unset.
        (dbxout_symbol): Handle DECL_VALUE_EXPR.
        * Makefile.in (dbxout.o): Add EXPR_H.

2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23509
        * tree-cfg.c (replace_uses_by): Use replace_exp.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
        pointers have name_mem_tag or type_mem_tag set.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
        CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
        of wrongly accessing operands.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (tree-chrec.o): Depends on SCEV_H.
        * tree-chrec.c: Include tree-scalar-evolution.h.
        (chrec_convert): Instantiate the base and step before calling
        scev_probably_wraps_p that would fail on parametric evolutions.
        Collect all the fails into a single section failed_to_convert,
        print a diagnostic, and return chrec_dont_know instead of calling
        fold_convert.
        * tree-scalar-evolution.c (loop_closed_phi_def): New.
        (instantiate_parameters_1): Avoid instantiation of loop closed ssa
        phi nodes.
        (scev_const_prop): Don't replace the definition of a loop closed ssa
        phi node by itself, or by another loop closed ssa phi node.
        * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
        that base and step are defined.

2005-09-09  Richard Guenther  <rguenther@suse.de>

        PR c++/23624
        * fold-const.c (fold_ternary): Check truth_value_p before
        calling invert_truthvalue.

2005-09-09  Nick Clifton  <nickc@redhat.com>

        * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
        * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
        dimension of these arrays.
        * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
        these arrays.
        * longlong.h: Only provide a prototype for the __clz_tab[] array
        if this header has not been included from libgcc2.h.
        * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
        defining own types.
        Provide prototypes for exported functions.
        Use the __clz_tab[] and __popcount_tab[] arrays provided by
        libgcc2.c.

2005-09-08  Josh Conner  <jconner@apple.com>

        PR c++/21135
        PR c++/23180
        * expr.c (expand_expr_addr_expr_1): Don't invoke
        expand_simple_binop for EXPAND_INITIALIZER.

2005-09-08  Richard Henderson  <rth@redhat.com>

        PR debug/23190
        * toplev.c (wrapup_global_declaration_1): Split out ...
        (wrapup_global_declaration_2): ... from ...
        (wrapup_global_declarations): ... here.  Return bool.
        (check_global_declaration_1): Split out ...
        (check_global_declarations): from here.
        (emit_debug_global_declarations): New.
        * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
        check_global_declaration_1, emit_debug_global_declarations): Declare.
        * c-decl.c (c_write_global_declarations_1): Don't create a vector
        of decls.  Call wrapup_global_declaration_1,
        wrapup_global_declaration_2, check_global_declaration_1 directly.
        (c_write_global_declarations_2): New.
        (ext_block): New.
        (c_write_global_declarations): Call c_write_global_declarations_2.
        * langhooks.c (write_global_declarations): Call
        emit_debug_global_declarations.

        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
        remove decls that have DECL_RTL_SET_P.
        * passes.c (rest_of_decl_compilation): Invoke
        cgraph_varpool_finalize_decl for all but functions.

2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
        the result of a conversion if the new min and max cannot be compared.

2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_sr_alias_set): Variable removed.
        (override_options): Setting s390_sr_alias_set removed.
        (save_fpr, save_gprs): Set alias set to vararg or frame.
        (restore_fpr, restore_gprs, s390_emit_prologue): Replace
        s390_sr_alias_set with get_frame_alias_set ().
        (s390_gimplify_va_arg): Replace s390_sr_alias_set with
        get_varargs_alias_set ().

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/20574
        PR objc/19324
        * c-parser.c (c_parser_objc_method_definition): If the next
        token is not "{", error out and don't start the function.

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vrp.c (extract_range_from_expr): Move the check for non
        nullness after the check for gimple invariant.

2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (host_integerp, tree_low_cst): Correct function comment.

2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        PR target/23747
        * config/m32r.md (movmemsi_internal): Canonicalize order of
        operands in PLUS component of template.

2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>

        * reload1.c (fixup_eh_region_note): Remove assertion.
        (fixup_abnormal_edges): Reverted removal of call to
        find_many_sub_basic_blocks made on 2005-08-31.

2005-09-07  Richard Henderson  <rth@redhat.com>

        * function.c (ARG_POINTER_CFA_OFFSET): Move ...
        * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
        (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
        * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
        rearrange for better packing.
        (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
        (lookup_cfa_1): Remove inline marker.
        (cfa_equal_p): Split out of ...
        (def_cfa_1): ... here.  Use INVALID_REGNUM.
        (build_cfa_loc): Handle !cfa->indirect.
        (frame_pointer_cfa_offset): New.
        (dbx_reg_number): Assert register elimination performed; do
        leaf register remapping.
        (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
        (eliminate_reg_to_offset): New.
        (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
        for verifiably local stack frame addresses; re-base to CFA.
        (mem_loc_descriptor): Remove can_use_fbreg argument.
        (concat_loc_descriptor, loc_descriptor): Likewise.
        (containing_function_has_frame_base): Remove.
        (rtl_for_decl_location): Don't do register elimination or
        leaf register remapping here.
        (secname_for_decl): Split out from ..
        (add_location_or_const_value_attribute): ... here.
        (convert_cfa_to_loc_list): New.
        (compute_frame_pointer_to_cfa_displacement): New.
        (gen_subprogram_die): Use them.
        * tree.h (frame_base_decl): Remove.
        * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
        (prologue_stack_adjust): Remove.
        (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
        (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
        (set_frame_base_location): Remove.
        (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
        (dump_attrs_list, dump_dataflow_set): Use string concatenation.
        (vt_add_function_parameters): Don't eliminate_regs.
        (vt_initialize): Don't create frame_base_decl.

2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
        version of GNU binutils for 4.x and later.

2005-09-06  Mark Mitchell  <mark@codesourcery.com>

        * ggc-page.c (ggc_push_context): Remove.
        (ggc_pop_context): Likewise.
        * ggc.h (ggc_push_context): Remove.
        (ggc_pop_context): Likewise.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        PR target/8973
        * config/arc/arc.c (arc_output_function_epilogue): Update flags while
        returning from an interrupt handler.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        PR target/8972
        * config/arc/arc.c (output_shift): Add check for loop count when
        optimizing.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
        form manually.
        (abs_replacement): Likewise.
        (pass_phiopt): Remove TODO_update_ssa.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/23075
        * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
        if "return with no value, in function returning non-void" warning
        has been issued.
        * tree-cfg.c (execute_warn_function_return): Don't look at
        RETURN_EXPRs with TREE_NO_WARNING set.

        PR target/22362
        * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
        for internal functions doesn't use registers used by global registers
        variables.  Use fewer register parameters if there are global register
        variables.

2005-09-06  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/14997
        * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
        when we would be extracting outside its bit span (bitpos+bitsize
        larger than its mode), possible with some VIEW_CONVERT_EXPRs from
        Ada unchecked conversions.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-pre.c (try_look_through_load): New function.
        (compute_avail): Use it to try to look through loads for some
        more useful expressions.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        * simplify-rtx.c (simplify_binary_operation_1): Correct the
        condition for detecting cases like (a&a) and (a^a).

2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>

        * common.opt: Add option ftree-vect-loop-version.
        * params.def: Add --param vect-max-version-checks.
        * doc/invoke.texi: Document ftree-vect-loop-version and
        --param vect-max-version-checks.
        * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
        may_misalign_stmts and defines for accessors.
        * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
        LOOP_VINFO_MAY_MISALIGN_STMTS.
        (destroy_loop_vec_info): VEC_free for
        LOOP_VINFO_MAY_MISALIGN_STMTS.
        * tree-vect-analyze.c (vect_compute_data_ref_alignment):
        Update documentation.
        (vect_update_misalignment_for_peel): New.
        (vect_enhance_data_refs_alignment): Update to choose loop
        peeling or loop versioning if appropriate for the (potentially)
        unaligned data references in the loop.
        (vect_analyze_data_refs_alignment): Remove call to
        vect_enhance_data_refs_alignment so the checks can be done
        earlier.
        (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
        and move up call to vect_analyze_data_refs_alignment.
        * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
        (vect_transform_loop): Add call to loop_version.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23098
        * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
        * simplify-rtx.c (constant_pool_reference_p): New function.
        * rtl.h (constant_pool_reference_p): New prototype.
        * config/i386/i386.md (pushf split, mov[sdx]f split): Use
        constant_pool_reference_p in condition and
        avoid_constant_pool_reference in preparation statements.

2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
        STRICT_LOW_PART SETs.

2005-09-06  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/21460
        * except.c (sjlj_emit_function_enter): Find the function begin
        note even when it's not in first basic block.

2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>

        * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
        AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
        * aclocal.m4: Regenerate.

2005-09-05  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
        of macro.

2005-09-06  Kazu Hirata  <kazu@codesourcery.com>

        * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
        config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
        config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
        Follow spelling conventions.
        * doc/invoke.texi: Follow spelling conventions.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

        * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
        * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
        * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

        PR target/23683
        * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
        (output_stack_adjust): Use gen_tmp_stack_mem.
        (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
        (sh_set_return_address, sh_allocate_initial_value): Likewise.
        (sh_get_pr_initial_val): Likewise.
        (sh_builtin_saveregs): Use gen_frame_mem and change_address.
        (sh_initialize_trampoline): Likewise.  Also use adjust_address.
        * sh.md (divsi_inv_m0): Use gen_const_mem.
        (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
        (movdf_i4+1): Use gen_tmp_stack_mem.
        (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
        (fpu_switch+2): Likewise.
        (movv4sf_i, movv16sf_i): Use adjust_address.
        (symGOT_load): Set MEM_NOTRAP_P bit.

2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/23721
        * pa.c (emit_move_sequence): Fix typo in last change.

2005-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23454
        * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
        is true.

2005-09-03  Richard Henderson  <rth@redhat.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/23671
        * pa.c (emit_move_sequence): Use replace_equiv_address instead of
        gen_rtx_MEM.

2005-09-02  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_legitimize_address): Limit the value passed
        to bit_count to 32 bits.

2005-08-31  Mark Mitchell  <mark@codesourcery.com>

        PR c++/23167
        * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
        generating synthetic loads from volatile lvalues.

005-09-02  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
        __ctzhi2, __clzhi2): New functions.

2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23547
        * tree-nested.c (struct var_map_elt): Mark with GTY.
        (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
        var_map_elt.
        (lookup_field_for_decl): Allocate new element in GC memory.
        (lookup_tramp_for_decl): Likewise.
        (convert_nl_goto_reference): Likewise
        (create_nesting_tree): Allocate info in GC memory. Likewise for
        info->var_map.
        (free_nesting_tree): Free with ggc_free instead of free.
        (root): New static variable.
        (lower_nested_functions): Remove root as local variable.  And zero out
        root at the end of the function.

2005-09-02  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20365
        * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
        to short.  New member ix.
        (simplify_plus_minus_op_data_cmp): Break ties using ix member.
        (simplify_plus_minus): Initialize ix members before calling qsort.

2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23626
        * tree-cfg.c (replace_uses_by): Clean up eh info.

2005-09-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
        fprintf.

2005-09-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
        (rs6000_split_multireg_move): Use replace_equiv_address instead of
        gen_rtx_MEM.

2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
        do not issue warning for a variable definition following
        a declaration.

2005-09-01  Richard Henderson  <rth@redhat.com>

        PR 23668
        * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
        conversion to CONST_VECTOR.

2005-09-01  Richard Henderson  <rth@redhat.com>

        PR 23676
        * reload1.c (reload_as_needed): Check !CALL_P before calling
        fixup_eh_region_note.
        * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.

2005-09-01  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Let the target resolve
        conversions of addresses to non-default pointer sizes.

2005-09-01  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
        to alow matching ARM pre-indexed addressing mode.
        (arm_override_options): Remove now irrelevant comment.

2005-09-01  Phil Edwards  <phil@codesourcery.com>

        * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
        * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
        * config/i386/vxworks.h:  Likewise.
        * config/i386/t-vxworksae:  New file, for VxWorks AE.
        * config/i386/vxworksae.h:  Likewise.

2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23410
        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
        sequence is not wrapping during the first step.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/7241
        * dwarf2out.c (base_type_die): Compare char_type_node with
        TYPE_MAIN_VARIANT (type), not type.

2005-09-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/15366
        * common.opt: Add -finline-functions-called-once.
        Put -fearly-inlining in alphabetically ordered place.
        * doc/invoke.texi: Document new option.
        * ipa-inline.c (cgraph_decide_inlining): Honour
        flag_inline_functions_called_once.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23478
        * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
        (alloc_qty): Initialize it.
        (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
        (combine_regs): Combine also n_throwing_calls_crossed fields.
        (find_free_reg): Don't attempt to caller-save pseudos crossing
        calls that might throw.
        * global.c (struct allocno): Add throwing_calls_crossed field.
        (global_alloc): Revert 2005-08-22 change.  Initialize
        throwing_calls_crossed.
        (find_reg): Don't attempt to caller-save pseudos crossing calls that
        might throw.

2005-09-01  Alan Modra  <amodra@bigpond.net.au>

        PR target/23649
        * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
        (mask64_operand): Reinstate code prior to 2005-06-11 change.
        (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
        (and64_2_operand): Tweak to use predicate.
        (and_operand): Adjust for mask_operand changes.
        * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
        (print_operand): Likewise.
        (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
        (mask64_1or2_operand): Delete.
        * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
        (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
        (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
        * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
        (rotldi3_internal4): Likewise.
        (rotldi3_internal5, rotldi3_internal5 split): Likewise.
        (rotldi3_internal6, rotldi3_internal6 split): Likewise.
        (ashldi3_internal7): Likewise.
        (ashldi3_internal8, ashldi3_internal8 split): Likewise.
        (ashldi3_internal, ashldi3_internal9 split): Likewise.
        (anddi3 split): Don't match mask64_operand.
        (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
        (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
        splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
        't' splitter predicate.
        (movdi_internal64 + 2): Revert 2005-06-11 change.

2005-08-31  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
        (m32c_asm_integer): Add support for 32 bit pointers.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
        component-like references for setting MEM_NOTRAP_P.

        * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
        into a pseudo before applying gen_lowpart.

2005-08-31  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Specific): Update cctools version required
        for full functionality.
        * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
        linkers as -macosx_version_min.

2005-08-31  J"orn Rennecke <joern.rennecke@st.com>

        PR target/21255
        * sh.c (print_operand, %R and %S): Add handling of floating point
        registers, memory, constants and invalid operands.

2005-08-31  Daniel Berlin  <dberlin@dberlin.org>

        * ipa-pure-const.c: Change dump name.

2005-08-31 Uros Bizjak <uros@kss-loka.si>

        PR target/23570
        * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
        to "reg_or_0_operand".
        (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".

2005-08-31  Dale Johannesen  <dalej@apple.com>

        * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
        loops that count down.

2005-08-31  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23601
        * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
        (fixup_eh_region_note): New.
        (reload_as_needed): Call it.
        (fixup_abnormal_edges): Allow all throwing insns to be deleted;
        don't call find_many_sub_basic_blocks; call verify_flow_info.
        * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
        (keep_stack_depressed): Likewise.
        (assign_stack_temp_for_type): Likewise; use adjust_address_nv.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
        fp return matching.

2005-08-31  Fariborz Jahanian <fjahanian@apple.com>

        * expr.c (expand_expr_real_1): Compare size of address
        mode to target's address mode size in deciding expansion of
        the constant address.

2005-08-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23477
        * expr.c (all_zeros_p): New function.
        (expand_expr_real_1): Handle the case of an all-zero
        non-addressable constructor separately.

2005-08-31  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
        arguments, adjust all callers.
        (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.

2005-08-30  Richard Henderson  <rth@redhat.com>

        PR target/23630
        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
        whenever the mode sizes match.

2005-08-31  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (load_register_parameters): Fix comment typo.
        * expr.c (emit_push_insn): Comment formatting.

2005-08-30  Ian Lance Taylor  <ian@airs.com>

        * config/i386/x-cygwin (host-cygwin): Change dependency from
        hosthooks-def.h to $(HOSTHOOKS_DEF_H).

2005-08-29  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
        parts of 'vals'.

2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23408
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
        call to ggc_collect.

2005-08-29  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/21268
        * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
        beginning.  Remove $(INCLUDES) from all the rules, if following
        $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).

2005-08-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/23484
        * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
        fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
        not constant, but maxlen is, don't set len to maxlen, rather
        set maxlen to len if len is a constant.

2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23475
        * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
        and counts.

2005-08-28  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR middle-end/22455

        * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
        Checksum only the parts of the tree that exist for the tree code.

2005-08-28  Dale Johannesen  <dalej@apple.com>

        * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.

2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.

2005-08-28  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
        * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
        of char_type_node.

2005-08-28  Jakub Jelinek  <jakub@redhat.com>

        PR ada/23593
        * builtins.c (get_memory_rtx): Don't strip nops
        in between COMPONENT_REFs.

2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23463
        * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
        types.
        (gimplify_modify_expr): Check for zero sized types and gimplify the
        rhs and lhs as statements.

2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>

        PR libgcj/23508
        * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
        state for return address column of signal frames.

2005-08-27  David Edelsohn  <edelsohn@gnu.org>

        PR target/23539
        * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
        bytes >= 2 not bytes == 2.
        (expand_block_move): Same.

2005-08-27  Richard Guenther  <rguenther@suse.de>

        PR target/23575
        * config/i386/sse.md (sse2_movsd): Add missing closing
        braces.

2005-08-27  Paul Brook  <paul@codesourcery.com>

        * genrecog.c (enum decision_type): Add DT_num_insns.
        (struct decision_test): Add u.num_insns.
        (add_to_sequence): Add DT_num_insns test.
        (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
        (write_cond, debug_decision_2): Ditto.
        (change_state): Assume peep2_next_insn never fails.
        Remove "afterward" argument.
        (write afterward, write_tree): Update to match.
        * recog.c (peep2_current_count): New variable.
        (peep2_next_insn): Check it.
        (peephole2_optimize): Set peep2_current_count.
        * recog.h (peep2_current_count): Declare.

2005-08-26  Josh Conner  <jconner@apple.com>

        PR middle-end/23584
        * ipa-pure-const.c (check_tree): Check for volatile-ness
        when considering a dereference.

2005-08-27  Jakub Jelinek  <jakub@redhat.com>

        * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23561
        * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
        a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
        at most LEN bytes long memory fits into the field.
        (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
        expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
        expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.

2005-08-26  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23560
        * loop.c (biased_biv_may_wrap_p): New.
        (maybe_eliminate_biv_1): Use it to suppress non-equality
        comparison transformations.  Delete disabled code.

2005-08-26  Ian Lance Taylor  <ian@airs.com>

        * combine.c (make_extraction): Avoid reference outside object.

2005-08-26  J"orn Rennecke <joern.rennecke@st.com>

        * stor-layout.c (finalize_type_size): Restore behaviour for
        non-aggregate types to the status quo ante of the patch for
        pr 23467.  Document why it matters.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/23506
        * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
        array by one element, initialize the BT_LAST element with NULL.

2005-08-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
        optimizing for size.
        (plus_eqsi): Same.
        (compare_plus_eqsi): Same.
        (plus_eqsi_compare): Same.
        (neg_eq0<mode>): Same.
        (neg_eq<mode>): Same.

        * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER4.

2005-08-26  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.c (ep_memory_operand): Return FALSE if
        TARGET_EP is not defined.
        * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
        TARGET_EP is enabled.
        (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
        * config/v850/v850.md (save_all_interrupt): Only use the EP
        register if TARGET_EP is defined.
        (restore_all_interrupt): Likewise.
        * config/v850/lib1funcs.asm: Update functions so that the EP
        register is only used if __EP__ is defined.

2005-08-26  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_expand_prologue): Handle case when
        generating for MIPS16 and the outgoing argument area is more than
        SMALL_OPERAND. Use the frame pointer as temporary to generate the
        add instruction.

2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Make doloop_end pattern usage controllable
        via mloop-nesting=<max-nesting> command line switch. Make sure
        the combiner cannot use doloop_end_<mode> in an illegal way.
        * config/crx/crx.c: Use regs up to r6 for argument passing.
        Refine crx_address_cost (non cst4 displacements are expensive).
        * config/crx/crx.opt: Add switch for mloop-nesting=.

2005-08-26  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
        (UNSPEC_MVST): New constant.

2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
        Reject operands containing eliminable registers.
        * testsuite/gcc.dg/20050825-1.c: New testcase.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
            Jan Hubicka  <jh@suse.cz>

        * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/23546
        * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
        and REAL_CST nodes.

2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>

        * params.def (PARAM_MIN_SPEC_PROB): New.
        * sched-rgn.c (MIN_PROBABILITY): Delete.
        (compute_trg_info): Convert to PARAM_VALUE.
        * doc/invoke.texi (param): Document min-spec-prob.

2005-08-24  Fariborz Jahanian <fjahanian@apple.com>

        * config/darwin.h: define __PIC__
        * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
        TARGET_OS_CPP_BUILTINS macro.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
        yesterday.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

        * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
        to duplicate_block.
        * cfghooks.c (duplicate_block): Added position where to place
        new block as argument.
        * cfghooks.h (duplicate_block): Declaration changed.
        * cfglayout.c (copy_bbs): Add argument after.  Pass it to
        duplicate_block.
        * cfglayout.h (copy_bbs): Declaration changed.
        * cfgloop.h (loop_version): Declaration changed.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
        position to copy_bbs.
        (loop_version): Pass position to duplicate_loop_to_header_edge.
        Add place_after argument and position new blocks according to
        it.
        * modulo-sched.c (sms_schedule): Pass place_after argument
        to loop_version.
        * tracer.c (tail_duplicate): Pass argument to duplicate_block.
        * tree-cfg.c (split_edge_bb_loc): New function.
        (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
        to determine position of new blocks.
        * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
        to loop_version.
        * tree-ssa-threadupdate.c (create_block_for_threading): Pass
        argument to duplicate_block.
        * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
        Pass position to copy_bbs.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

        * fold-const.c (ptr_difference_const): Use
        cst_and_fits_in_hwi instead of host_integerp.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        * config/darwin.c (gen_pic_offset): New.
        (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
        Use it.

2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23486
        * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.

2005-08-23  Phil Edwards  <phil@codesourcery.com>

        * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
        remove use_collect2.
        (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.

        * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
        configuration files to override the default value.

        * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
        EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
        * config/vx-common.h:  New file, split out from...
        * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
        * config/vxworksae.h:  New file, for VxWorks AE.
        * config/vxworks.opt:  New file.
        * config/vxlib.c:  Update for VxWorks 6.

        * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
        other MULTILIB_* variables appropriately.
        (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
        * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
        * config/rs6000/vxworks.h:  Update for VxWorks 6.
        * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.

2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/20799
        * config/darwin.c (machopic_select_section): Remove the hack to
        mark "::operator new" and "::operator delete" for coalescing
        even though they are not weak.

2005-08-24  Alan Modra  <amodra@bigpond.net.au>

        * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
        * configure: Regenerate.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/23517
        * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
        between vectors.
        * convert.c (convert_to_integer, convert_to_vector): Likewise.
        * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
        Likewise.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/predicates.md (equality_operator): New.
        * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
        comparison with a large constant.

2005-08-23  Mark Mitchell  <mark@codesourcery.com>

        * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.

2005-08-23  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
        registers is even, and we have a hardware double precision fp,
        align the buffer.
        (sh_gimplify_va_arg_expr): For floating point arguments, consider
        size of current argument when checking if argument was passed in
        registers.

        * sh.c (sh_attr_renesas_p): Handle error_mark_node.

        PR middle-end/23467
        * stor-layout.c (finalize_type_size): Dont override
        existing alignment with a smaller alignment from the mode.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_vector_lexico_pos): Moved...
        * lambda.h (lambda_vector_lexico_pos): ... here.
        * tree-data-ref.c (build_classic_dist_vector): Return false when
        the distance vector is lexicographically negative.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23511
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
        handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.

2005-08-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/22043
        * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
        * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
        If ALLOW_FLEXARR, handle types ending with flexible array member.
        Pass false as second argument to recursive count_type_elements calls.
        (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
        argument to count_type_elements call.
        * tree-sra.c (decide_block_copy): Likewise.
        * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
        for a constant-sized object, set cleared as well.  Pass true as
        second argument to count_type_elements call.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/21571
        * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
        from legitimate_small_data_p, and make global.  Update use.
        Remove forward declaration.
        * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
        Declare.
        * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.

2005-08-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
        of scratch intermediates.
        (eq<mode>_compare): Same.
        (neg_eq0<mode>): New.
        (neg_eq<mode>): Convert to define_insn_and_split.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/23070
        * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
        stdarg functions, set/clear the fp marker even when no variable
        args are passed.
        * config/rs6000/sysv4.opt (mprototype): Describe.

2005-08-22  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23478
        * regs.h (reg_info): Add throw_calls_crossed.
        (REG_N_THROWING_CALLS_CROSSED): Define.
        * flow.c (allocate_reg_life_data): Initialize
        REG_N_THROWING_CALLS_CROSSED.
        (propagate_one_insn, attempt_auto_inc): Update
        REG_N_THROWING_CALLS_CROSSED.
        * global.c (global_alloc): Don't allocate pseudos across
        calls that may throw.

2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/18715
        * c-common.c (c_do_switch_warnings): Look for a node where the enum's
        value is inbetween the range if we did not find an exact match.

2005-08-22  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi (Option Summary): Add ms1 options.
        * doc/extend.texi: Document interrupt handler attribute for ms1.
        * doc/md.texi: Document ms1 constraints.
        * config.gcc: Add ms1-*-elf.
        * config/ms1/ms1.h: New.
        * config/ms1/ms1.c: New.
        * config/ms1/ms1.md: New.
        * config/ms1/ms1-protos.h: New.
        * config/ms1/ABI.txt: New.
        * config/ms1/crti.asm: New.
        * config/ms1/crtn.asm: New.
        * config/ms1/lib2extra-funcs.c: New.
        * config/ms1/t-ms1: New.
        * config/ms1/ms1.opt: New.

2005-08-22 Ira Rosen <irar@il.ibm.com>

        * config/rs6000/altivec.md (xorv4sf3): New.
        (negv4sf2, neg<mode>2): Likewise.

2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23485
        * config/ia64/ia64.md (divsi3): Check divide by zero.
        (udivsi3): Likewise.
        (divdi3): Likewise.
        (udivdi3): Likewise.

2005-08-21  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
        up to elem_bitsize bits, not max_bitsize.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23433
        * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
        REAL_CST when the type is SCALAR_FLOAT_TYPE_P.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23434
        * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
        the iteration bound is not an INTEGER_CST.

2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (get_initial_def_for_reduction): Set
        need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
        NULL if need_epilog_adjust is false.
        (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
        Case 3 always peels first itration, not just for PLUS case, and no need
        to use scalar_initial_def here. Create an epilog adjustment only if
        scalar_initial_def is not NULL.

        (vectorizable_reduction): Remove assert.

2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23485
        * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
        (__moddi3): Likewise.
        (__udivdi3): Likewise.
        (__umoddi3): Likewise.
        (__divsi3): Likewise.
        (__modsi3): Likewise.
        (__udivsi3): Likewise.
        (__umodsi3): Likewise.

2005-08-20  Jakub Jelinek  <jakub@redhat.com>

        * tree-pass.h (TDF_GRAPH): Define.
        * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
        * passes.c (finish_optimization_passes): Only call
        finish_graph_dump_file if TDF_GRAPH is set.
        (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
        NULL.  Set TDF_GRAPH bit.
        (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.

2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.h (arm_stack_offsets): Add locals_base field.
        * arm.c (arm_get_frame_offsets): Compute it.
        (thumb_compute_initial_elimination offset): Make the Thumb frame
        pointer point to the base of the local variables.
        (thumb_expand_prologue): Update accordingly.
        (thumb_expand_epilogue): Likewise.

        * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
        mode of clobbered scratch to DImode.  Handle a case that's known to
        need this.

2005-08-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (gt0<mode>): Delete.
        (gt0<mode>_compare): Delete.
        (neg_gt0<mode>): Delete.

2005-08-19  Eric Christopher  <echristo@apple.com>

        * optabs.h: Change CTI_ to COI_.
        * optabs.c: Ditto.

2005-08-19  James E Wilson  <wilson@specifix.com>

        * builtins.c (expand_builtin_return_addr): Set
        current_function_accesses_prior_frames when count != 0.  Use
        frame_pointer_rtx when count == 0.
        * function.h (struct function): Add accesses_prior_frames field.
        (current_function_accesses_prior_frames): Define.
        * reload1.c (init_elim_table): Check
        current_function_accesses_prior_frames.
        * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
        indicator.  Return true if the flowgraph changed during
        cleanup.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        PR 23476
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
        conditional expression before testing its value.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.

2005-08-19  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/23048
        * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
        third parameter. Check whether latch is dominated by exit
        block or not.
        (if_convertible_loop_p): Supply exit block itself to
        if_convertible_bb_p.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23473
        * arm.md (arm_load_pic_register): Change argument to the mask of
        saved registers.  Call thumb_find_work_register if we need a
        scratch register on Thumb.
        (arm_expand_prologue): Pass empty register set to
        arm_load_pic_register.
        (thumb_expand_prologue): Pass live_regs_mask directly to
        arm_load_pic_register.
        * arm-protos.h (arm_load_pic_register): Update prototype.

2005-08-19  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (find_sole_member): New function.
        (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
        if the record's alignment is larger than the size of its only member.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23436
        * arm.c (thumb_legitimize_reload_address): New function.
        * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
        * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.

2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.c: Implement crx_decompose_address. Reject
        symbolic displacements since CRX register relative adressing
        mode can't handle unsigned 32-bit values as displacements.
        * config/crx/crx.h: Simplify definitions, remove redundant
        parenthesis and obsolete macros.
        * config/crx/crx.opt: Add new switch for debugging addresses.
        * config/crx/crx-protos.h: Add new declarations for above.

2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20624
        * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
        looking past it.

2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (dup2): Delete.
        * configure.ac: Don't check for dup2.

        * config.in, configure: Regenerate.

2005-08-18  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
        record with the type of its only member.

2005-08-18  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
        define_insn_and_split.
        (plus_ltu<mode>_compare): Same.
        (gtu<mode>_compare): Same.
        (plus_gtu<mode>_compare): Same.

2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/22228
        * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
        todo_flags_start.
        * tree-vect-transform.c (vect_transform_loop): Mark the variables that
        are recorded in vect_vnames_to_rename for renaming.
        * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
        (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
        in vect_vnames_to_rename.
        (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
        * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.

2005-08-18  Jan Hubicka  <jh@suse.cz>

        PR c++/22034
        * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
        info only for local statics, not for member variables.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * c-typeck.c (designator_errorneous): Rename to designator_erroneous.

2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/16045
        * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.

2005-08-17  James E Wilson  <wilson@specifix.com>

        * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
        array size check.

2005-08-17  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
        (leu<mode>_compare): Same.
        (plus_leu<mode>): Same.
        (neg_leu<mode>): Same.
        (and_neg_leu<mode): Same.
        (ltu<mode>_compare): Same.
        (plus_ltu<mode>): Same.
        (geu<mode>): Same.
        (geu<mode>_compare): Same.
        (plus_geu<mode>): Same.
        (neg_geu<mode>): Same.
        (and_neg_geu<mode>): Same.
        (plus_gt<mode>): Same.
        (gtu<mode>_compare): Same.
        (plus_gtu<mode>): Same.

2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>

        * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
        Move call_table_data to end.  Delete spurious .text.
        (callt_save_all_interrupt): Fix comment typo.

2005-08-17  James E Wilson  <wilson@specifix.com>
            Kevin Winchester  <winchester@amirix.com>

        PR target/21684
        * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.

2005-08-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/23268
        * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
        ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.

2005-08-17  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
        record with the type of its only member if the modes don't match.

        * varasm.c (decode_reg_name): Skip empty additional register names.

2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
        lsm_tmp_name_length): New.
        (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
        (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".

2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
            Andreas Krebbel  <krebbel1@de.ibm.com>

        * config.gcc: Added z9-109 switch.
        * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
        "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
        "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
        "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
        "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
        for "z9_109" cpu attribute.
        * config/s390/s390.c (z9_109_cost): New processor cost structure.
        (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
        (s390_handle_arch_option): Added z9-109 switch.
        (override_options): Set respective cost function for z9-109.
        (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
        (legitimate_reload_constant_p): Accept extended immediates.
        (print_operand): Three new output modifiers added: k, m and o.
        (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
        (s390_output_mi_thunk): Use extended immediate when possible.
        * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
        (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
        (CONSTRAINT_LEN): Added length of O constraint.
        (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
        * config/s390/s390.md ("cpu"): New value z9_109 added.
        ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
        "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
        "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
        "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
        "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
        ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
        "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
        "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
        ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
        "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
        "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
        "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
        "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
        "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
        "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
        immediates.
        ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
        "zero_extend<mode>si2"): Allow memory operands and don't manually emit
        insns for TARGET_EXTIMM.

2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.

2005-08-17  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_encode_section_info):
        Call default_encode_section_info.

2005-08-17  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/21574
        * tree-ssa-ccp.c (likely_value): If the right hand side is a
        constant, return CONSTANT.
        (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
        (ccp_fold, visit_assignment): Likewise.
        (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

        * c-typeck.c (build_function_call): Call fold_buildN_initializer or
        fold_buildN instead of buildN then fold_initializer or fold.
        (build_unary_op): Likewise.
        (build_binary_op): Likewise.
        * fold-const.c (fold_initializer): Remove.
        (fold_build1_initializer): New function.
        (fold_build2_initializer): New function.
        (fold_build3_initializer): New function.
        * tree.h (fold_initializer): Remove.
        (fold_build1_initializer): New function.
        (fold_build2_initializer): New function.
        (fold_build3_initializer): New function.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
        (try_move_mult_to_index): Call fold_build2 instead of build2.
        (fold_binary): Don't call fold after calls to try_move_mult_to_index.
        * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
        fold_binary_to_constant.
        (infer_loop_bounds_from_undefined): Call fold_build2 instead of
        fold (build.
        * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
        check if A == gcd (A, B).  Remove TYPE argument.
        (analyze_offset) Use fold_build2 instead of fold (build.
        (create_data_ref): Likewise.
        (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
        * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
        then fold.

2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

        * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
        ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.

2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23402
        * gimplify.c (zero_sized_type): New function.
        (gimplify_modify_expr_rhs): If we have a zero sized type,
        replace the statement with an empty statement.

2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
        fxsave.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

        * doc/tm.texi (Label Output): Correct typo.

2005-08-16  Steven Bosscher  <stevenb@suse.de>

        PR target/23376
        * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
        force_operand will work later on using have_insn_for.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (tree_expr_nonnegative_p): Regroup cases.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

        PR c++/23337
        * gimplify.c (gimplify_init_ctor_eval): If we see an element of
        vector type, don't try to construct it element by element.  Add an
        assertion that we use a FIELD_DECL when building a COMPONENT_REF.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.

2005-08-16  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Precompiled Headers): Document some more options
        which are known to be safe.

2005-08-16  James E Wilson  <wilson@specifix.com>

        PR tree-optimization/21105
        * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
        TREE_OVERFLOW check.

2005-08-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
        (neg_ltu<mode>): Same.
        (gtu<mode>): Same.
        (neg_gtu<mode>): Same.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
        (fold_builtin_isdigit): Use fold_buildN.
        (build_function_call_expr): Likewise.
        * c-typeck.c (c_finish_loop): Likewise.

2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
            Richard Shann <rshann@superh.com>

        PR middle-end/20396:
        * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.

2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.

2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23355
        * arm.c (thumb_compute_save_reg_mask): Use similar logic to
        arm_compure_save_reg0_reg12_mask to determine when the PIC register
        must be saved.

2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/23369
        * fold-const.c (build_range_check): Disable optimization for function
        pointer expressions on targets that require function pointer
        canonicalization.

2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * simplify-rtx.c (simplify_const_relational_operation): When
        extracting arguments of a COMPARE, recompute the mode as well.

2005-08-15  Ian Lance Taylor  <ian@airs.com>

        * tree.c (build_string): Mark tree CONSTANT and INVARIANT.

2005-08-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/mov.md (movqi_op): Immediates can't be moved to
        the stack.
        (movsi_splittable): Allow, but split, moves to the stack.
        * config/m32c/m32c.c (m32c_split_move): Always split moves to the
        stack.

2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
        * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
        * system.h (HOST_PTR_PRINTF): Don't define, poison it.

        * bitmap.c, c-decl.c, config/i386/i386-interix.h,
        config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
        Delete HOST_PTR_PRINTF.

        * configure, config.in: Regenerate.

2005-08-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (QHSI): New mode macro.
        (wd): Extend mode attr for QImode and HImode
        (dbits): New mode attr.
        (zero_extend<mode>di2): Convert to mode macro.

2005-08-15  Steve Ellcey  <sje@cup.hp.com>

        PR target/21841
        * doc/invoke.texi (-mgnu-ld): Update description.
        (-mhp-ld): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 23391
        * Makefile.in (tree-chrec.o): Depends on real.h.
        * tree-chrec.c: Include real.h.
        (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
        chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
        * tree-scalar-evolution.c (add_to_evolution_1,
        interpret_rhs_modify_expr): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 23386
        * tree-data-ref.c (estimate_niter_from_size_of_data): When
        step is negative compute the estimation from init downwards to zero.

2005-08-14  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const (fold_binary): Call fold_build2 instead of fold (build.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
        constraint.
        (legitimate_reload_constant_p): Fix handling of lliXX operands.
        Accept double-word constants that can be split.
        * config/s390/s390.md ("movti"): Use 'P' constraint.
        ("*movdi_31", "*movdf_31"): Likewise.

2005-08-14  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22615

        * tree-ssa-structalias.c (solution_set_add): Handle
        first_vi_for_offset returning NULL.
        (do_da_constraint): Ditto.
        (do_sd_constraint): Ditto.
        (do_ds_constraint): Ditto
        (find_func_aliases): Ditto.
        (build_constraint_graph): RHS is allowed be ANYTHING.
        (first_vi_for_offset): Return NULL if we couldn't find anything at
        the offset.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
        over memory as first operand.

2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23360
        * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
        available for setting it.

2005-08-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/23320
        * tree-data-ref.c (base_addr_differ_p): Add comment. Check
        data-refs' types instead of base object nullness. Add check for
        pointer type data-refs before first location comparison. Remove
        assert.

2005-08-14  Andreas Schwab  <schwab@suse.de>

        * doc/md.texi (Machine Constraints): Fix misplaced @end table.

2005-08-13  James E Wilson  <wilson@specifix.com>

        * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
        * doc/invoke.texi (-Wstack-protector, -fstack-protector,
        -fstack-protector-all, --param ssp-buffer-size): Document.
        (-Wvariadic-macros): Alphabetize.
        (-fsched-stalled-insns-dep): Add missing 'f'.

        * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
        macros.

2005-08-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
        or indirect address operand.
        (EXTRA_ADDRESS_CONSTRAINT): New.
        * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".

2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/22236
        * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
        successors and predecessors.
        * tree-chrec.c (chrec_convert): Before converting, check that
        sequences don't wrap.
        * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
        (analyze_array): Extern.
        (find_data_references_in_loop): Remove call to
        compute_estimated_nb_iterations.
        * tree-data-ref.h (analyze_array): Declared.
        * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
        single_ssa_def_operand, zero_ssa_operands): Fix documentation.
        * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
        * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
        condition.
        * tree-ssa-loop-ivcanon.c: Fix documentation.
        * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
        * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
        (infer_loop_bounds_from_undefined): New.
        (estimate_numbers_of_iterations_loop): Use
        infer_loop_bounds_from_undefined.
        (used_in_pointer_arithmetic_p): New.
        (scev_probably_wraps_p): Pass an extra parameter.  Call
        used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
        (convert_step): Fix documentation.
        * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
        Use initial_condition_in_loop_num and evolution_part_in_loop_num
        instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
        scev_probably_wraps_p.

2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
        (s390_register_info): Ignore clobbered_regs information for fixed
        registers, and only fixed registers.
        (s390_init_frame_layout): Remove redundant call.

2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
        description of -Wold-style-casts.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
            Jakub Jelinek  <jakub@redhat.com>

        * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
        * config/s390/s390.c (print_operand): New output modifier 'G' added.
        (get_thread_pointer): Renamed to s390_get_thread_pointer.
        * config/s390/s390.md (stack_protect_set, stack_protect_test): If
        TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
        (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
        (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
        ("stack_protect_set", "stack_protect_test"): New expanders.
        ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
        "stack_protect_testdi"): New insn definitions.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.

2005-08-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/predicates.md (setmem_operand): New predicate.
        (shift_count_operand): Accept ANDs with special constants as
        operand.
        * config/s390/s390.c (print_shift_count_operand): Skip ANDs
        with special constants.
        * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
        shift_count_operand with setmem_operand.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_extract_part, s390_single_part):
        Type cast added.
        (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
        (s390_output_mi_thunk): Don't use lg on 31 bit.
        * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
        ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
        (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
        s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
        s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
        with one of the new macros.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
        Don't set save_return_addr_p.
        (s390_register_info): Make clobbered_regs not depending on
        save_return_addr_p.

2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
        (LINK_COMMAND_SPEC): Add space after %(link_ssp).

2005-08-11  James E. Wilson  <wilson@specifix.com>

        * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.

2005-08-11  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_location_or_const_value_attribute): Prefer
        locations gathered by var-tracking in single entry loc_list
        over loc_descriptor_from_tree.

        * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
        pass it down to loc_descriptor.
        (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
        (containing_function_has_frame_base): Move earlier in the file.
        (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
        instead of always assuming fbreg can't be used.

2005-08-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/altivec.md: Change constraint "m" to "Z".
        * config/rs6000/predicates.md (indexed_or_indirect_operand):
        Accept address wrapped in AND for Altivec.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Strip AND wrapping offset address for Altivec.

2005-08-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/23312
        * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
        before using TYPE_IS_SIZETYPE.

2005-08-11  Richard Henderson  <rth@redhat.com>

        PR target/22225
        * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
        insn types not present on ev4.
        (alphaev5_insn_pipe): Similarly.

2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23250
        * arm.c (arm_override_options): If the user has selected callee-super-
        interworking, then enable normal interworking.

2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
        redefinition.

2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>

        * doc/rtl.texi: Fix two typos.

2005-08-11  Richard Guenther  <rguenther@suse.de>

        PR target/23289
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
        cases where we call to/from functions returning void.

2005-08-10  James A. Morrison  <phython@gcc.gnu.org>

        PR c++/23225
        * tree.c (build_pointer_type_for_mode): Robustify.

2005-08-10  James E Wilson  <wilson@specifix.com>

        * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
        (ASM_OUTPUT_ADDR_VEC_ELT): Delete.

        * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
        "cum->".

2005-08-10  Eric Christopher  <echristo@apple.com>

        * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
        * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
        V2DFmode.

2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/21887
        * config/darwin.c (machopic_indirect_data_reference): Use a new register
        for the high part when generating dynamic-no-pic code.

2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
        (x86_64-*-linux*): Likewise.

        * config/i386/crtfastmath.c: New file.
        * config/i386/t-crtfm: Likewise.

        * config/i386/linux.h (ENDFILE_SPEC): New.
        * config/i386/linux64.h (ENDFILE_SPEC): Likewise.

        * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
        crtfastmath.o.

2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>

        * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
        (vec_shl, vec_shr): Document new operations.
        * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.

2005-08-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (indexed_or_indirect_address): New.
        * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
        change predicate to indexed_or_indirect_address.

2005-08-10  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
        * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
        __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
        and __aeabi_uwrite8.
        * config/arm/unaligned-funcs.c: New file.
        * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.

2005-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
        Add dump.
        * cfglayout.c (pass_insn_locators_initialize): Add dump.
        * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
        Add dump.
        * except.c (pass_convert_to_eh_region_ranges): Add dump.
        * final.c (pass_shorten_branches): Add dump.
        * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
        (pass_life): Rename dump.
        (rest_of_handle_flow2): Remove initial verify_flow_info.
        * function.c (pass_instantiate_virtual_regs): Add dump.
        * integrate.c (pass_initial_value_sets): Add dump.
        * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
        * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
        (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
        pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
        (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
        gate_rtl_unrool_and_peel_loops): New.
        (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
        rtl_doloop): Do not look at flags.
        * mode-switching.c (pass_mode_switching): Add dump.
        * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
        pass_split_before_regstack): Add dump.
        * regmove.c (pass_stack_adjustments): Add dump.
        * tree-optimize.c (pass_fixup_cfg): Add dump.

2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        PR 23309
        * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
        deciding which instruction sequence to use.

2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
        BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.

2005-08-09  Richard Guenther  <rguenther@suse.de>

        * c-common.c (builtin_function_2): Remove.
        (def_builtin_1): New function.
        (c_common_nodes_and_builtins): Use def_builtin_1 to
        build builtin functions.

2005-08-09  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
        * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
        * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
        Visual DSP.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

        * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
        fold_binary instead of fold_build2 since we don't care about the
        resulting tree.
        (loop_niter_by_eval): Likewise.
        (compare_trees): Likewise.
        (proved_non_wrapping_p): Likewise.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

        PR c/23161
        PR c/23165
        * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
        if the if is really empty.

2005-08-09  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23234
        * tree-ssa-math-opts.c (place_reciprocal): New enum.
        (execute_cse_reciprocals_1): Replace the 'phi' argument with an
        argument of the new enum.
        (execute_cse_reciprocals): Add reciprocals for function arguments
        on the unique successor edge of the entry block.  Update other calls
        to execute_cse_reciprocals_1.

2005-08-08  Richard Henderson  <rth@redhat.com>

        PR 22439
        * gimplify.c (gimplify_one_sizepos): Preserve the original type.

2005-08-08  Bob Wilson  <bob.wilson@acm.org>

        * expr.c (write_complex_part): Return after handling MEM.

2005-08-08  Josh Conner  <jconner@apple.com>

        PR rtl-optimization/23241
        * combine.c (simplify_comparison): Fix error in determining
        whether to lift a subreg from comparison.

2005-08-08  David Edelsohn  <edelsohn@gnu.org>

        PR target/18506
        * config/rs6000/altivec.md (vec_init<mode>): New.
        (vec_set<mode>): New.
        (vec_extract<mode>): New.
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
        (rs6000_expand_vector_set): New.
        (rs6000_expand_vector_extract): New.
        (rs6000_legitimate_offset_address_p): Offset addresses are valid
        for Altivec modes before reload.
        (altivec_expand_vec_init_builtin): New.
        (get_element_number): New.
        (altivec_expand_vec_set_builtin): New.
        (altivec_expand_vec_ext_builtin): New.
        (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
        builtins.
        (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
        builtins.
        * config/rs6000/rs6000.h (rs6000_builtins): Add
        ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
        ALTIVEC_BUILTIN_VEC_EXT_<mode>.
        * config/rs6000/rs6000-protos.h: Declare new functions.

2005-08-08  Jan Hubicka  <jh@suse.cz>

        * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
        (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
        * i386.md (movdi*): Use pic_32bit_operand.
        * predicates.md (pic_32bit_operand): New.

2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/21166
        * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.

2005-08-07  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
        (test_for_singularity): Use fold_build2.

2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.

2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
        (COMMON_ASM_OP) Define.
        * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
        (ix86_encode_section_info): Likewise.
        (TARGET_ENCODE_SECTION_INFO): Conditionally define as
        SUBTARGET_ENCODE_SECTION_INFO.

2005-08-06  Richard Henderson  <rth@redhat.com>

        PR 21894
        * tree-nested.c (convert_local_reference): Save and restore val_only
        around component_ref and friends.  Clear walk_subtrees by default.

2005-08-06  Peter O'Gorman  <peter@pogma.com>

        PR 21366
        * gcc.c (process_command): Check the argument to -b has a dash.
        * doc/invoke.texi: Update -b and -V docs.

2005-08-06  James E Wilson  <wilson@specifix.com>

        * config/mips/cross64.h, config/mips/t-cross64: Delete.

2005-08-06  Michael Matz  <matz@suse.de>

        * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
        member only if only one insn is associated with the value.

2005-08-06  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
        New define.
        (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
        * config/stormy16/stormy16.c (xstormy16_below100_symbol):
        Check symbol flags instead of symbol name mangling.
        (xstormy16_asm_output_aligned_common): Likewise.  Also
        simplify code since the bss100_section cass is the only case
        where the below100 code will be triggered.
        (xstormy16_encode_section_info): Encode below100 attribute
        using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
        the name.
        (xstormy16_strip_name_encoding): Delete - this function is no
        longer needed.
        (TARGET_STRIP_NAME_ENCODING): Undefine.
        * config/stormy16/stormy16-protos.h: Delete prototype for
        xstormy16_strip_name_encoding.

2005-08-06  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
        config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
        tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
        config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
        config/alpha/predicates.md, config/arc/arc.h,
        config/arm/arm.h, config/arm/ieee754-df.S,
        config/arm/ieee754-sf.S, config/bfin/bfin.c,
        config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
        config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
        config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m68hc11/m68hc11.h, config/mips/mips.c,
        config/mips/mips.h, config/mips/openbsd.h,
        config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
        config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h,
        config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
        doc/extend.texi, doc/gcov.texi, doc/install.texi,
        doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
        typos.  Follow spelling conventions.

2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/23113
        * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
        Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
        specially.  Check for side effects only for COND_EXPR.
        * c-typeck.c (c_finish_stmt_expr): Mark statement expression
        return with TREE_NO_WARNING.

2005-08-06  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/23233
        * loop.c (combine_movables): Require the modes to be the same.
        (move_movables): Remove handling of cases where the replacement
        had a different mode to the original.

2005-08-05  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/23128
        * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
        subtraction wrap, and set TREE_OVERFLOW if they do.

2005-08-05  Richard Henderson  <rth@redhat.com>

        PR 21728
        * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
        FORCED_LABEL labels.

2005-08-05  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23135
        * reload.c (find_reloads_subreg_address): Pass down TYPE
        unchanged.  Change all callers except find_reloads_toplev.

2005-08-05  Michael Matz  <matz@suse.de>

        * genattrtab.c (current_alternative_string): Remove.
        (SIMPLIFY_ALTERNATIVE): Ditto.
        (attr_alt_bit_p): Ditto.
        (alternative_name): Make const char *.
        (evaluate_eq_attr): Remove use of above things.
        (simplify_test_exp): Ditto.
        (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
        (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').

2005-08-04  James E Wilson  <wilson@specifix.com>

        * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
        config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
        config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
        config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
        (LINK_SPEC): Delete useless %{Wl,*:%*} item.

2005-08-04  Richard Henderson  <rth@redhat.com>

        PR 21529
        * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
        * params.h (SRA_MAX_STRUCTURE_COUNT): New.
        * tree-sra.c (decide_block_copy): Use it.  Disable element copy
        if we'd have to instantiate too many members.

2005-08-04  Richard Henderson  <rth@redhat.com>

        PR 21291
        * tree-outof-ssa.c (coalesce_asm_operands): New.
        (coalesce_ssa_name): Use it.  Split out ...
        (coalesce_phi_operands, coalesce_result_decls): ... these.

2005-08-04  Paul Brook  <paul@codesourcery.com>

        * read-rtl.c (read_quoted_string): Break if EOF.

2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.h (fold_build1): Change to macro and call fold_build1_stat.
        (fold_build2): Likewise.
        (fold_build3): Likewise.
        (fold_build1_stat): New function prototype.
        (fold_build2_stat): Likewise.
        (fold_build3_stat): Likewise.
        * fold-const.c (fold_build1): Rename to ..
        (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build1_stat.
        (fold_build2): Rename to ..
        (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build2_stat.
        (fold_build3): Rename to ..
        (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build3_stat.

2005-08-04  David Edelsohn  <edelsohn@gnu.org>
            Ian Lance Taylor  <ian@airs.com>

        * function.c (assign_stack_local_1): Do not correct stack slot
        address if allocation size is smaller than mode size.

2005-08-04  Diego Novillo  <dnovillo@redhat.com>

        PR 22037
        * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
        (tree_merge_blocks): Propagate anything allowed by
        may_propagate_copy.
        Clarify documentation.
        * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
        SSA form, schedule an update if necessary.

2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove broken link to
        Sinix/Reliant Unix binaries.

2005-08-03  Richard Henderson  <rth@redhat.com>

        PR 23221
        * function.c (stack_protect_epilogue): Export.
        * tree.h (stack_protect_epilogue): Declare.
        * calls.c (expand_call): Call it.

2005-08-03  Eric Christopher  <echristo@apple.com>

        * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
        * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
        spec.

2005-08-04  Jan Hubicka  <jh@suse.cz>

        * profile.c (branch_prob): Split edges with goto locus on them
        to get proper line counts.
        * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.

2005-08-03  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Round current_function_args_size
        to PARM_BOUNDARY, not STACK_BOUNDARY.

2005-08-03  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.c (x86_elf_aligned_common)
        (x86_output_aligned_bss): Don't try to use symbols that aren't defined.

2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23157
        * tree-scalar-evolution.c (scev_const_prop): Unshare trees
        before emitting them.

2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR tree-optimization/19899
        * Makefile.in (tree-scalar-evolution.o): Add real.h.
        * tree-scalar-evolution.c: Include real.h.
        (add_to_evolution): Build constant -1 of correct type.

2005-08-03  Jan Hubicka  <jh@suse.cz>

        * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
        profile updating for complette unrolling.
        * loop-unroll.c (peel_loop_completely): Use it.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
        (tree_unroll_loops_completely): Disable code growing unrolling of cold
        loops.

2005-08-03  Paul Brook  <paul@codesourcery.com>

        * combine.c (can_change_dest_mode): New function.
        (try_combine, simplify_set): Use it.

2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
        TFmode to BLKmode.

2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Adjust link to openavr.org.
        (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
        (Binaries): Adjust HP-UX Porting Center link.
        (Binaries): Adjust Free Software Foundation ordering link.

2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>

        * convert.c (convert_to_integer): Use fold_build1 instead of
        build1 when converting an integer to an integer.

2005-08-02  Richard Henderson  <rth@redhat.com>

        * combine.c (combine_instructions): Don't use reg_equal/equiv
        results if the mode doesn't match.

2005-08-02  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
        * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.

2005-08-02  Richard Henderson  <rth@redhat.com>

        PR 23196
        * explow.c (memory_address): Remove special-case for
        virtual_stack_vars_rtx and virtual_incoming_args_rtx.

2005-08-02  Diego Novillo  <dnovillo@redhat.com>

        PR 23164
        * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
        number of calls to cleanup_tree_cfg_1.

2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>

        * doc/invoke.texi: document file extensions .F90 and .F95

2005-08-02  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
        positive if its first argument is positive.

2005-08-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23177
        * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
        on TMR_TAG.

2005-08-02  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/23129
        * tree-vrp.c (extract_range_from_binary_expr): Set value range to
        varying for divisions with anti-ranges.

2005-08-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dom.c (thread_across_edge): Remove updating here.
        * tree-ssa-threadupdate.c (thread_block): Add it here.

2005-08-01  James E Wilson  <wilson@specifix.com>

        * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
        TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
        * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
        New.
        * config/mips/predicates.md (const_call_insn_operand): Add check for
        SYMBOL_REF_LONG_CALL_P.
        * doc/extend.texi (long_call): Document the new attribute.

2005-08-01  Ian Lance Taylor  <ian@airs.com>
            Richard Henderson  <rth@redhat.com>

        * Makefile.in (RTL_BASE_H): Add real.h.
        * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
        instead of memcpy.
        * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
        directly.
        * rtl.c (rtl_check_failed_code_mode): New.
        * rtl.h (struct rtx_def): Add u.rv.
        (XCMWINT, XCNMPRV): New.
        (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
        (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.

2005-08-01  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
        with auto-inc codes.

        * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.

2005-08-01  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (asm_preferred_eh_data_format): Declare.
        * i386.c: Include dwarf2.h
        (asm_preferred_eh_data_format): New.
        * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.

2005-08-01  Ian Lance Taylor  <ian@airs.com>

        * config/host-linux.c (linux_gt_pch_get_address): Add new name
        randomize_va_space for virtual address randomization control.

2005-08-01  Steven Bosscher  <stevenb@suse.de>

        * common.opt (flag_ipa_cp): Put in right place to maintain
        alphabetic sort.

2005-08-01  Jan Hubicka  <jh@suse.cz>

        * profile.c (compute_value_histograms): Fix thinko.
        * value-prof.c: Include toplev.h
        (check_counter): New function.
        (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
        tree_mod_subtract_transform): Add sanity check.

2005-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23133
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
        current functions parameter decls to find defs to cse
        reciprocals of.

2005-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23109
        * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
        If trapping math is in effect, use post-dominator information
        to check if we'd in any case reach a trapping point before
        doing the reciprocal insertion.
        (execute_cse_reciprocals): Compute post-dominators, if necessary.
        * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
        expressions are invariant only if trapping math is not in effect.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New declarations.
        * cgraphunit.c: Add include to ipa-prop.h.
        (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New functions.
        * integrate.c (copy_decl_for_inlining): Remove.
        * ipa-prop.h (ipa_replace_map): New struct.
        (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
        * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
        ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
        ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
        ipcp_iterate_stage, ipcp_method_scale_print,
        ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
        ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
        ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
        ipcp_update_bb_counts, ipcp_update_profiling,
        ipcp_update_edges_counts): New functions.
        (ipcp_method_cval_init): Remove restriction regarding local methods.
        (ipcp_init_stage): Add ipcp_method_compute_scale.
        (ipcp_insert_stage): Add versioning.
        (ipcp_structures_print): Add ipcp_method_scale_print.
        (ipcp_driver): Dump profiling info.
        * Makefile.in: Remove integrate.h dependency from tree-inline.o.
        Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
        * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
        (struct inline_data): Add versioning_p, ipa_info, new fields.
        (remap_decl, mark_local_for_remap_r, setup_one_parameter,
        declare_return_variable): Replace calls to copy_decl_for_inlining with
        copy_decl_for_dup.
        (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
        versioning support.
        (copy_decl_for_dup): Rename from copy_decl_for_inlining.
        Add argument VERSIONING.
        (copy_arguments_for_versioning, copy_static_chain,
        function_versionable_p, tree_versionable_function_p,
        tree_function_versioning, replace_ref_tree): New functions.
        * tree-inline.h: Include varray.h.
        (tree_versionable_function_p,  tree_function_versioning,
        tree copy_decl_for_dup): New declarations.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * ipa-cp.c: New file. Contains IPCP specific functionality.
        * ipa-prop.h: New file. Contains structures/definitions that can be
        used by several interprocedural data flow optimizations (and also IPCP).
        * ipa-prop.c: New file.
        * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
        * common.opt: Add ipa-cp flag.
        * timevar.def: Add IPCP optimization.
        * tree-optimize.c (init_tree_optimization_passes): Schedule
        pass_ipa_cp.
        * tree-pass.h (pass_ipa_cp): Declare.

2005-08-01  Kazu Hirata  <kazu@codesourcery.com>

        * dwarf2out.c, fold-const.c, ipa-type-escape.c,
        loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
        tree-sra.c, config/arm/arm.c, config/crx/crx.c,
        config/i386/i386.c, config/mips/mips.h,
        config/rs6000/rs6000.h, config/sh/sh.c,
        config/stormy16/stormy16.c: Fix comment typos.

2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22311
        * c-typeck.c (build_binary_op): Use common_type wrapper on
        shortened types.
        (common_type): Update comment.

2005-07-31  Steven Bosscher  <stevenb@suse.de>

        PR target/23095
        * common.opt (flag_gcse_after_reload): Don't initialize to 2.
        (flag_rerun_cse_after_loop): Initialize this to 2 instead.
        * postreload-gcse.c (hash_scan_set): Do not consider stack regs.

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * pretty-print.h (pp_widest_integer): New macro.
        * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
        counts.

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * output.h (enum section_category): Export from varasm.c
        (categorize_decl_for_section): Likewise.
        * varasm.c (enum section_category): Kill.
        (categorize_decl_for_section): Make global.
        * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
        Declare.
        * i386.c (ix86_section_threshold): New static variable.
        (ix86_in_large_data_p, ix86_encode_section_info,
        x86_64_elf_unique_section,
        x86_64_elf_select_section): New functions.
        (TARGET_ENCODE_SECTION_INFO): Define
        (override_options): Enable medium model for PIC.
        (ix86_expand_prologue): Expand gen_set_got_rex64.
        (legitimate_constant_p): Handle new UNSPECs.
        (legitimate_pic_address_disp_p): Likewise.
        (legitimize_pic_address): Lower MEDIUM model addressing.
        * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
        (enum cmodel): Add MEDIUM_PIC.
        (SYMBOL_REF_FAR_ADDR_P): New macro.
        (SYMBOL_FLAG_FAR_ADDR): New flag.
        * i386.md (movdi): Support medium model.
        (set_got_rex64): New pattern.
        * i386.opt (mlarge-data-threshold): New flag.
        * predicates.md (zext_operand/sext_operand): Deal with medium model.
        * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
        (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION): New.

        * invoke.texi (-mlarge_data_threshold): Document

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
        (coalesce_vars): Likewise.
        * tree-ssa-live.c (coalesce_cost): New.
        (build_tree_conflict_graph): Use coalesce_cost.
        * tree-ssa-live.h (coalesce_cost): Declare.

2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (all peepholes for post-increment operations): Delete.
        (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
        (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
        (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
        (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
        (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.

2005-07-30  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (tree_expr_nonnegative_p): Always return true for
        non-integral types.

2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>

        PR target/22582
        * doc/invoke.texi: Document -rdynamic.

2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/23143
        * c-parser.c (c_parser_parms_list_declarator): Call
        mark_forward_parm_decls.
        * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
        decls with visibility structure.

2005-07-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.

2005-07-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
        prototype.
        * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
        value for mode.
        * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/529
        * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
        nested function declarators.
        (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
        (grokparms): Call warn_if_shadowing for parameters used within the
        parameter list.
        (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
        not used within the parameter list.
        (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.

2005-07-30  Jan Hubicka  <jh@suse.cz>

        * expr.c (expand_expr_real_1): Do not load mem targets into register.
        * i386.c (ix86_fixup_binary_operands): Likewise.
        (ix86_expand_unary_operator): Likewise.
        (ix86_expand_fp_absneg_operator): Likewise.
        * optabs.c (expand_vec_cond_expr): Validate dest.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21720
        * real.c (real_from_string): Also set last bit if there is a
        nonzero hex digit beyond GCC's internal precision after ".".

2005-07-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/altivec.md: Convert UNSPEC numerical values to
        define_constants.  Change duplicate values to unassigned numbers.
        Change UNSPEC_SUBS to UNSPEC_VSUBS.
        (*altivec_vspltsf): New.
        (altivec_vperm_v4sf): Delete.
        (altivec_vperm_<mode>): Use mode macro V.
        (altivec_vsldoi_<mode>): Convert to mode macro pattern.
        (altivec_predicate_v4sf): Delete.
        (altivec_predicate_<mode>): Use mode macro V.
        (*altivec_lvesfx): New.
        (*altivec_stvesfx): New.
        (vec_realign_load_v4sf): Delete.
        (vec_realign_load_<mode>): Use mode macro V.
        * config/rs6000/rs6000.c (generate_set_vrsave): Use
        UNSPECV_SET_VRSAVE.

2005-07-29  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/23131
        * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
        string.
        * configure: Regenerated.

2005-07-29  Paul Brook  <paul@codesourcery.com>

        * doc/install.texi: Add link to GFortran binaries wiki page.

2005-07-29  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
        (mips_rtx_cost_data): Add costs for 5kc and 5kf.
        * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
        * config/mips/mips.md (cpu): Add 5kf name.
        (includes): Includes 5k.md.
        * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
        * doc/invoke.texi (MIPS Options): Updated cpu name supported with
        -march flag.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

        PR 22550
        * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
        (cleanup_tree_cfg): ... here.
        Call cleanup_tree_cfg_1 until there are no more cleanups to
        do.

2005-07-29  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (compare_range_with_value): Return true or false
        for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
        EQ_EXPR respectively.

2005-07-29  Kazu Hirata  <kazu@codesourcery.com>

        * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
        Fix comment typos.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
        (tree_ssa_dominator_optimize): Increment it.
        (dump_dominator_optimization_stats): Print it.

2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
            Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23117
        * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
        when head == tail.  Tidy comment.

2005-07-28  Richard Henderson  <rth@redhat.com>

        * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
        * cselib.c (rtx_equal_for_cselib_p): Likewise.
        * jump.c (rtx_renumbered_equal_p): Likewise.
        * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
        CONST_INT and CONST_DOUBLE.
        (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
        * reload.c (operands_match_p): Special case CONST_INT and
        CONST_DOUBLE; check mode earlier.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22240
        * c-typeck.c (convert_for_assignment): Do not check
        DECL_IN_SYSTEM_HEADER on NULL fundecl.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22192
        * c-typeck.c (composite_type): Prefer constant size arrays to
        VLAs.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21720
        * real.c (real_from_string): Set last bit if there is a nonzero
        hex digit beyond GCC's internal precision.

2005-07-28  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/22619
        * cfgcleanup.c (try_forward_edges): Watch out for end of
        insn chain.

2005-07-28  James E Wilson  <wilson@specifixinc.com>

        PR c/23106
        * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.

2005-07-28  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (rtl-profile.o): Kill all traces of it.
        * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
        * coverage.h (rtl_coverage_counter_ref): Kill.
        * opts.c (flag_speculative_prefetching_set): Kill.
        (flag_loop_optimize_set): New.
        (common_handle_option): Disable loop optimizer when profiling;
        do not handle speculative prefetching.
        * passes.c (init_optimization_passes): Replace pass_profiling combo
        by branch_prob pass.
        * profile.c (compute_value_histograms): Update for simplified value
        profiles.
        (rtl_register_profile_hooks): Kill.
        (pass_profiling): Kill.
        (rest_of_handle_branch_prob): Do not profile.
        * toplev.c (process_options): Remove speculative prefetching.
        * toplev.h (flag_tree_based_profiling): Kill.
        * tree-profile.c (prepare_instrumented_value,
        tree_gen_interval_profiler, tree_gen_pow2_profiler,
        tree_gen_one_value_profiler, do_tree_profiling): Update for
        simplified datastructures.
        * value-prof.c: Add comment that speculative prefetching was dropped;
        update rest of file for simplified datastructures.
        (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
        rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
        find_mem_reference_1, find_mem_reference_2, find_mem_reference,
        rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
        rtl_mod_subtract, gen_speculative_prefetch,
        rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
        rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
        (gate_handle_value_profile_transformations,
        rest_of_handle_value_profile_transformations,
        pass_value_profile_transformations): Kill.
        * value-prof.h (histogram_value_t): Remove IL based unions.
        (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
        rtl_profile_hooks): Remove hooks.

        * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.

        * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
        (cgraph_clone_node): Likewise.
        * cgraph.h (cgraph_clone_edge): Update prototype.
        (cgraph_clone_node): Likewise.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
        cgraph_clone_node.
        (lookup_recursive_calls): Consider profile.
        (cgraph_decide_recursive_inlining): Fix updating; use new
        probability argument; use profile.
        * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
        * tree-inline.c (copy_bb): Update clal of clone_edge.
        * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.

        * invoke.texi (min-inline-recursive-probability): Document.

2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Configuration): Update Valgrind homepage.

2005-07-28  Richard Henderson  <rth@redhat.com>

        PR middle-end/21362
        * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
        labels we want to delete.
        (cfg_layout_merge_blocks): Likewise.

2005-07-28  Richard Henderson  <rth@redhat.com>

        PR target/17692
        * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
        when expanding to nothing.

2005-07-28  Josh Conner  <jconner@apple.com>

        * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
        (cgraph_decide_inlining_of_small_functions): Likewise.

2005-07-28  Josh Conner  <jconner@apple.com>

        * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
        direction of badness if negative.
        (cgraph_default_inline_p): Add reason to parameters, and assign it
        a value.
        (cgraph_decide_inlining_of_small_functions): New parameter in call
        to cgraph_default_inline_p.
        (cgraph_decide_inlining_incrementally): Likewise.
        * cgraphunit.c (decide_is_function_needed): Likewise.
        * cgraph.h (cgraph_default_inline_p): Likewise.

2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * builtins.c: Fix comment typo(s).
        * genautomata.c: Likewise.
        * gimplify.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-flow-inline.h: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-ssa-alias.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-operands.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.

2005-07-28  Jeff Law  <law@redhat.com>

        * tree-vrp.c (test_for_singularity): Extracted from  ...
        (simplify_cond_using_ranges): Attempt to simplify a relational
        test to NE_EXPR.  Dump information when a COND_EXPR is simplified.

2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/22506
        * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
        phis whose argument is constant.

2005-07-28  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/18992
        Back out this patch:
          2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
          PR optimization/12142
          * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
          uses of the register in the SET_SRC.  Remove unnecessary argument.

        Replace it with this:
        * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
        if flag_non_call_exceptions is set and the insn may trap, pass
        pc_rtx as dest for recursion.
        In SET_SRC part of SET case, if dest is already set, pass it down
        unchanged.

2005-07-28  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): Use RDIV.
        (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
        (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
        roundoff errors.
        * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
        profile when available.

2005-07-28  Jan Beulich <jbeulich@novell.com>

        * config/ia64/ia64.c (ia64_load_pair_ok): New.
        (ia64_print_operand): Describe and handle 'X'.
        (ia64_register_move_cost): Also handle FP_REGS.
        (ia64_preferred_reload_class): Likewise.
        (ia64_secondary_reload_class): Likewise.
        (ia64_dependencies_evaluation_hook): New local variable c. Initialize
        it. Also check for ITANIUM_CLASS_FLDP.
        * config/ia64/ia64.h (FP_REGNO_P): New.
        (HARD_REGNO_MODE_OK): Remove explusion of TImode.
        (reg_class): Add FP_REGS.
        (REG_CLASS_NAMES): Adjust for it.
        (REG_CLASS_CONTENTS): Likewise.
        (REGNO_REG_CLASS): Use FP_REGS where appropriate.
        (REG_CLASS_FROM_LETTER): Handle 'x'.
        (CLASS_MAX_NREGS): Handle FP_REGS.
        (MEMORY_MOVE_COST): Likewise.
        * config/ia64/ia64.md (itanium_class): Add fldp.
        (type): Handle fldp.
        (movti_internal): More allowable operand combinations. Use ldfp8 when
        splitting unnecessary. Remove predicable attribute. Adjust
        itanium_class attribute.
        (smuldi3_highpart): Remove outdated comment.
        (mulditi3, umulditi3, rotlti3): New expanders.
        (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
        (absti2): Disabled new insn for future reference.
        Respective new splitters.
        * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
        * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
        * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.

2005-07-25  James A. Morrison  <phython@gcc.gnu.org>

        PR rtl-optimization/23047
        * simplify-rtx.c (simplify_const_relational_operation): Respect
        flag_wrapv for comparisons with ABS.

2005-07-27  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/22493
        * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
        VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.

2005-07-27  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/frv.opt (moptimize-membar): New.

        * doc/invoke.texi: Document -moptimize-membar and its inverse.

        * config/frv/frv.h: Remove machine_function definition.

        * config/frv/frv.c (struct frv_io): New.
        (struct machine_function): Moved from frv.h.  Add has_membar_p.
        (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
        (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
        (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
        (frv_optimize_membar_global, frv_optimize_membar): New functions.
        (frv_reorg): Call frv_optimize_membar when appropriate.
        (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
        (frv_expand_builtin): Adjust calls accordingly.
        (frv_io_address_cookie): New function.
        (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
        load or store rather than a special insn.  Add ccnstant address and
        io-type operands to the membar.
        (frv_ifcvt_modify_tests): Unsign regno.
        (frv_ifcvt_modify_tests): Same.

        * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
        UNSPEC_OPTIONAL_MEMBAR constant.
        (builtin_read_<mode>): Delete.
        (builtin_write_<mode>): Delete.
        ("optional_membar_<mode>"): Add operand.

        * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
        * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
        * testsuite/gcc.target/frv/all-read-write-1.c: New.

2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * df.c (df_uses_record): Handle SCRATCH.

2005-07-28  Steven Bosscher  <stevenb@suse.de>

        PR debug/20161
        * passes.c (rest_of_decl_compilation): If decl is a type and
        we have encountered errors, don't emit debug information.

2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>

        * params.def: Fixed comment.

2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>

        PR target/19885
        * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
        (TARGET_ASM_UNALIGNED_HI_OP): Add.
        (TARGET_ASM_UNALIGNED_SI_OP): Add.

2005-07-27  Steven Bosscher  <stevenb@suse.de>

        PR c++/22003
        * varasm.c (assemble_start_function): Don't do anything that may
        require a CFG if the current function is a thunk.

2005-07-25  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Prerequisites): Mention that perl is needed
        to do export control in libstdc++ targetting Darwin.

2005-07-27  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/17808
        * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
        (sched_insns_conditions_mutex_p): Split out from...
        (add_dependence): ...here.  But don't call it from here.
        (add_dependence_list): Check sched_insns_conditions_mutex_p
        before calling add_dependence.
        (add_dependence_list_and_free): Likewise.
        (fixup_sched_groups): Likewise.
        (sched_analyze_1): Likewise.
        (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
        (sched_analyze): Likewise.
        (sched_analyze_insn): Likewise.
        * sched-ebb.c (add_deps_for_risky_insns): Likewise.
        * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
        dependencies on all COND_EXEC insns to jumps ending basic blocks
        when doing intrablock scheduling.
        * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.

2005-07-27  Jeff Law  <law@redhat.com>

        * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
        meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
        equivalency sets, correctly handle the case were vr0 has an
        equivalency set, but vr1 does not.

2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/23073
        * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
        vect_print_dump_info before fprintf.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimize/22348
        * tree-ssa-loop-niter.c (number_of_iterations_cond):
        Fold the partial computation.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22325
        * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
        Declare.
        * tree-scalar-evolution.c (scev_const_prop): Add generic final
        value replacement.
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
        (force_var_cost): ... this function.
        (compute_phi_arg_on_exit): Export.

2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/20773
        * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
        edge.

2005-07-27  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (push_fields_onto_fieldstack):
        Avoid pushing again if current struct contains only
        fields we decomposed.

2005-07-27  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/22574
        * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
        not available.

        * tree-tailcall.c (decrease_profile): New function.
        (eliminate_tail_call): Use it.

        * cgraphunit.c (cgraph_function_and_variable_visibility): Set
        visibility flags correctly in whole program mode.

2005-07-26  Steve Ellcey  <sje@cup.hp.com>

        PR rtl-optimization/22472
        * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.

2005-07-26  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/22504
        * tree-complex.c (expand_complex_addition): Use 'code' instead
        of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).

2005-07-26  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc (cpu_type): Add frv case.
        (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
        (supported_defaults): Add fr550 case.

2005-07-26  Diego Novillo  <dnovillo@redhat.com>

        PR 22591
        * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
        whether a pointer of type T * may point to objects of type T *.

2005-07-26  DJ Delorie  <dj@redhat.com>

        * configure: Regenerate.

2005-07-26  Dale Johannesen  <dalej@apple.com>

        * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.

2005-07-26  Mark Mitchell  <mark@codesourcery.com>

        * doc/install.texi (--with-build-sysroot): Fix grammatical error.
        Clarify use of "build" in name.

2005-07-26  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi (Raw read/write Functions): New section.
        * testsuite/gcc.target/frv/all-builtin-read8.c: New.
        * testsuite/gcc.target/frv/all-builtin-read16.c: New.
        * testsuite/gcc.target/frv/all-builtin-read32.c: New.
        * testsuite/gcc.target/frv/all-builtin-read64.c: New.
        * testsuite/gcc.target/frv/all-builtin-write8.c: New.
        * testsuite/gcc.target/frv/all-builtin-write16.c: New.
        * testsuite/gcc.target/frv/all-builtin-write32.c: New.
        * testsuite/gcc.target/frv/all-builtin-write64.c: New.
        * config/frv/frv.c: Add bdesc_loads global.
        Add bdesc_stores global.
        (frv_init_builtins): Add support for __builtin_{read/write}*.
        (frv_volatile_memref): New.
        (frv_expand_load_builtin): New.
        (frv_expand_store_builtin): New.
        * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
        FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
        FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
        FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
        * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
        UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
        (builtin_read_<mode>): New.
        (builtin_write_<mode>): New.
        (builtin_write64): New.
        (optional_membar_<mode>): New.

2005-07-26  J"orn Rennecke <joern.rennecke@st.com>

        * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
        (rather than units) against HOST_BITS_PER_WIDE_INT.

2005-07-26  Kazu Hirata  <kazu@codesourcery.com>

        * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
        ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
        ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
        config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
        FSF address.

        * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
        tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
        config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
        comment typos.
        * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.

2005-07-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/22486
        * fold-const.c (fold_unary): Fold away useless component
        references of the form (T *)&T.x, if the address
        doesn't change.

2005-07-25  James E Wilson  <wilson@specifixinc.com>

        * dwarf2out.c (add_call_src_coords_attributes): New.
        (gen_inlined_subroutine_die): Call it.
        (maybe_emit_file, init_file_table): Add comments.
        (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
        maybe_emit_file.
        * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
        (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
        * tree.h (BLOCK_SOURCE_LOCATION): New.
        (struct tree_block): New field locus.

2005-07-26  Andreas Schwab  <schwab@suse.de>

        PR rtl-optimization/23043
        * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
        when allocating a struct unoccr.

2005-07-25  Richard Henderson  <rth@redhat.com>

        PR 22626
        * tree-complex.c (gate_no_optimization): True if errors.
        * Makefile.in (tree-complex.o): Update dependencies.

2005-07-25  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/predicates.md (integer_register_operand): Use
        GPR_AP_OR_PSEUDO_P.

2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22484
        * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
        after fold.
        * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.

2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
        types when flag_unsafe_math_optimizations is true.

2005-07-25  Mark Mitchell  <mark@codesourcery.com>

        * gcc.c (option_map): Add --sysroot.
        (process_command): Handle --sysroot.
        (display_help): Document it.
        * doc/cppopts.tex (-isysroot): Document.
        * doc/invoke.texi (--sysroot): Document.
        * doc/install.texi (--with-build-sysroot): Document.

        * Makefile.in (inhibit_libc): New variable.
        (INHIBIT_LIBC_CFLAGS): Likewise.
        (LIBGCC2_CFLAGS): Include
        $(INHIBIT_LIBC_CFLAGS).
        (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
        ($(T)crtbegin.o): Do not use @inhibit_libc@.
        ($(T)crtend.o): Likewise.
        ($(T)crtbeginS.o): Do not use @inhibit_libc@.
        ($(T)crtendS.o): Likewise.
        ($(T)crtbeginT.o): Do not use @inhibit_libc@.
        ($(T)crtendT.o): Likewise.
        (stmp-fixinc): Do not complain about missing headers if
        inhibit_libc.
        * configure.ac (inhibit_libc): Set it to true/false.
        (--with-build-sysroot): New option.  Use it to set
        SYSTEM_HEADER_DIR.
        * configure: Regenerated.

2005-07-25  Manfred Hollstein  <mh@suse.com>

        * calls.c (store_one_arg): Fix unsigned comparison warning.

2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

        PR other/22337
        * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
        (ggc_print_statistics): Initialize variable before use.

2005-07-25  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (mark_new_vars_to_rename): Protect against
        calling with a PHI_NODE argument.

        * tree-flow-inline.h (overlap_subvar): Protect against
        possible overflow.

2005-07-25  Paolo Bonzini  <bonzini@gnu.org>

        * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
        * configure: Regenerate.

2005-07-25  Ira Rosen  <irar@il.ibm.com>

        * expr.c (highest_pow2_factor): Make extern.
        * tree-data-ref.c (ptr_decl_may_alias_p): New function.
        (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
        record_array_differ_p, array_ptr_differ_p): Likewise.
        (base_object_differ_p): Rename (from array_base_name_differ_p). Support
        additional cases. Call the above functions.
        (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
        base_object_differ_p when there are two base objects. Otherwise, compare
        base address and offset. Call may_alias_p.
        (dump_data_reference): Use a correct field name.
        (analyze_array): Make static. Initialize new data-ref fields.
        (analyze_indirect_ref): New function.
        (init_data_ref): Initialize new data-ref fields.
        (strip_conversion): Moved from tree-vect-analyze.c.
        (analyze_offset_expr, get_ptr_offset, address_analysis,
        object_analysis): Likewise.
        (analyze_offset): New function.
        (create_data_ref): Likewise.
        (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
        dimensions for ARRAY_REFs only.
        (build_classic_dist_vector): Make static.
        (access_functions_are_affine_or_constant_p): Call macro to get the
        address of access functions.
        (compute_all_dependences): Add new parameter
        compute_self_and_read_read_dependences. Compute self and read-read
        dependences if it is true.
        (find_data_references_in_loop): Call create_data_ref. Initialize new
        data-ref fields.
        (compute_data_dependences_for_loop): Add new parameter
        compute_self_and_read_read_dependences. Remove parameter nb_loops,
        compute nb_loops. Call compute_all_dependences,
        build_classic_dist_vector and build_classic_dir_vector with correct
        parameters.
        (analyze_all_data_dependences): Call compute_data_dependences_for_loop
        with correct parameters. Compare dimensions for ARRAY_REFs only.
        (free_data_refs): Call macro to free access functions.
        * tree-data-ref.h (struct first_location_in_loop): New structure. Move
        fields from stmt_vinfo.
        (struct base_object_info): New structure.
        (struct data_reference): Move fields to base_object_info. Add fields
        first_location and object_info for above structures. Move fields from
        stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
        aligned_to.  Add macros to access the new fields.
        Update functions declarations.
        * tree-flow.h (is_aliased_with): Declare.
        * tree-loop-linear.c (linear_transform_loops): Call
        compute_data_dependences_for_loop with correct parameters.
        * tree-ssa-alias.c (is_aliased_with): New function.
        * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
        (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
        (vect_analyze_data_ref_dependence): Get ddr. Remove call to
        vect_base_addr_differ_p, compute_subscript_distance and
        build_classic_dist_vector. Add printings. Check absolute value of
        distance.
        (vect_analyze_data_ref_dependences): Go through ddrs instead of
        data-refs.
        (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
        stmt. Check aligned_to. Check if the base is aligned. Remove conversion
        to bytes. Add printing.
        (vect_compute_data_refs_alignment): Go through loads and stores in one
        loop.
        (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
        vect_analyze_data_ref_access): Likewise.
        (vect_analyze_pointer_ref_access): Remove.
        (vect_address_analysis, vect_object_analysis): Likewise.
        (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
        and analyze data-refs in the loop.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
        fields of data-ref instead of stmt. Add init to the offset from the
        base.
        (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
        (vect_update_init_of_dr): Likewise.
        (vect_update_inits_of_drs): Go through loads and stores in one loop.
        * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
        removed fields.
        (new_loop_vec_info): Initialize new fields.
        (destroy_loop_vec_info): Free new fields.
        (vect_strip_conversion): Remove.
        * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
        (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
        datarefs. Add new field ddrs.
        Add macros for the new fields access.
        (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
        base_aligned_p, misalignment, memtag, ptr_info and subvars.
        Remove their macros.
        * tree.h (highest_pow2_factor): Declare.

2005-07-25  Jakub Jelinek  <jakub@redhat.com>

        * calls.c (store_one_arg): Check for sibling call MEM arguments
        from already clobbered incoming argument area.

2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (check_missing_format_attribute): New.
        * c-common.h (check_missing_format_attribute): Likewise.
        * c-typeck.c (convert_for_assignment): Use it.

2005-07-24  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md ("extendqidi2"): When source is an address
        register use a word move.  Correct operand of ext.w in 68000 code.

2005-07-23  Mark Mitchell  <mark@codesourcery.com>

        * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
        variables as declarations, rather than definitions.

2005-07-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/22526
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
        of the zero node.

2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
        that C99 reserve for future use. Use it to define clog10,
        clog10f and clog10l.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
        * configure.ac: Check for -Wmissing-format-attribute.

        * configure: Regenerate.

2005-07-23  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/22623
        * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.

2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>

        PR target/22577
        * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (C_TREE_H): Update dependencies.
        * c-tree.h: Include toplev.h.
        * diagnostic.h (diagnostic_set_info): Add format attribute.
        * rtl-error.c (diagnostic_for_asm): Likewise.

2005-07-23  Chao-ying Fu  <fu@mips.com>

        * config/mips/mips-dsp.md: New file.
        * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
        * config/mips/mips.c (mips_function_type): Add types for DSP builtin
        functions.
        (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
        MIPS_BUILTIN_BPOSGE32.
        (mips_expand_builtin_direct): Add one parameter to indicate that
        builtin functions need to return a value.
        (mips_expand_builtin_bposge): New for expanding "bposge" builtin
        functions.
        (mips_regno_to_class): Add classes for 12 new DSP registers.
        (mips_subword): Change to check four HI registers.
        (mips_output_move): Output move to and from 6 new DSP accumulators.
        (override_options): Make sure -mdsp and -mips16 are not used together.
        Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
        for machine modes.
        (mips_conditional_register_usage): Disable 6 new DSP accumulators
        when !TARGET_DSP.
        (print_operand): Add 'q' for printing DSP accumulators.
        (mips_cannot_change_mode_class): Check ACC_REGS.
        (mips_secondary_reload_class): Check ACC_REGS.
        (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
        (mips_register_move_cost): Check ACC_REGS.
        (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
        (CODE_FOR_mips_subu_qb): New code-aliasing macros.
        (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
        (dsp_bdesc): New array.
        (bdesc_arrays): Add DSP builtin function table.
        (mips_prepare_builtin_arg): Check predicate again after
        copy_to_mode_reg.
        (mips_expand_builtin): Add one more parameter to
        mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
        MIPS_BUILTIN_BPOSGE32.
        (mips_init_builtins): Initialize new function types.
        (mips_expand_builtin_direct): Check if builtin functions need to
        return a value and pass operands properly.
        (mips_expand_builtin_bposge): New function.
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
        (ASM_SPEC): Map -mdsp to -mdsp in GAS.
        (FIRST_PSEUDO_REGISTER): Increase to 188.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
        Update for 12 new DSP registers.
        (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
        (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
        (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
        (reg_class): Add DSP_ACC_REGS and ACC_REGS.
        (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
        (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
        (REG_ALLOC_ORDER): Update for 12 new DSP registers.
        (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
        (UIMM6_OPERAND, IMM10_OPERAND): New macros.
        (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
        (REGISTER_NAMES): Add names for 12 new DSP registers.
        * config/mips/mips.md: Include mips-dsp.md.
        (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
        (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
        (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
        (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
        (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
        (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
        (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
        (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
        (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
        (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
        (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
        (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
        (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
        (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
        (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
        (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
        (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
        (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
        (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
        (UNSPEC_RDDSP): New constants.
        (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
        (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
        A<-d alternative.
        * config/mips/mips.opt (-mdsp): New option.
        * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
        (reg_imm10_operand): New predicates.
        * doc/extend.texi (MIPS DSP Built-in Functions): New section.
        * doc/invoke.texi (-mdsp): Document new option.

2005-07-22  DJ Delorie  <dj@redhat.com>

        * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
        to warning calls.
        * tree-inline.c (inlinable_function_p): Likewise.

2005-07-22  Mark Mitchell  <mark@codesourcery.com>

        PR debug/21828
        * toplev.c (check_global_declarations): Do not mark undefined
        variables as DECL_IGNORED_P.
        * varasm.c (first_global_object_name): GTY it.
        (weak_global_object_name): Likewise.
        (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
        a string to go into {weak,first}_global_object_name.

2005-07-22  DJ Delorie  <dj@redhat.com>

        * c-format.c (check_function_format): Change warning control
        option from OPT_Wattribute to OPT_Wmissing_format_attribute.

2005-07-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (count_ptr_derefs): Do not consider
        &PTR->FLD a dereference of PTR.
        * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
        a potential dereference of PTR.

2005-07-22  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20370
        * ifcvt.c (dead_or_predicable): Before calling propagate_block,
        call allocate_reg_info if necessary.

        PR rtl-optimization/21848
        * calls.c (emit_library_call_value_1): For const functions, add
        USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.

        PR rtl-optimization/22445
        * cselib.c (target.h): Include.
        (rtx_equal_for_cselib_p): Allow commutative matches.
        (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
        Remove MODE parameter.  Changed all callers.

        PR rtl-optimization/22258
        * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
        New functions.
        (try_combine): Use likely_spilled_retval_p.

2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>

        * config.gcc: Add crx-elf support.

        * doc/contrib.texi: Mention crx.
        * doc/extend.texi: Document crx extensions.
        * doc/install.texi: Document crx install.
        * doc/invoke.texi: Document crx options.
        * doc/md.texi: Document crx constraints.

        * config/crx/crx-protos.h: New file.
        * config/crx/crx.c: New file.
        * config/crx/crx.h: New file.
        * config/crx/crx.md: New file.
        * config/crx/crx.opt: New file.
        * config/crx/t-crx: New file.

2005-07-22  Manfred Hollstein  <mh@suse.com>

        * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
        warnings.
        (int_add_graph_edge): Likewise.
        (collapse_nodes): Likewise.
        (process_unification_queue): Likewise.

2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
            Laurent GUERBY  <laurent@guerby.net>

        PR tree-optimization/22336
        * function.c (record_block_change): Check for
        cfun->ib_boundaries_block.

2005-07-21  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
        (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.

2005-07-21  DJ Delorie  <dj@redhat.com>

        * toplev.c (warn_deprecated_use): Add warning control to warning
        call.
        * c-typeck.c (parser_build_binary_op): Likewise.
        (c_finish_if_stmt): Likewise.
        * c-common.c (check_function_sentinel): Likewise.
        (check_nonnull_arg): Likewise.

2005-07-21  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22504
        * tree-complex.c (complex_ssa_name_components): New.
        (cvc_lookup): Allow entry not found.
        (create_components): Remove.
        (create_one_component_var, get_component_var): New.
        (get_component_ssa_name, set_component_ssa_name): New.
        (extract_component): Use get_component_ssa_name.
        (update_complex_components): Use set_component_ssa_name.
        (update_complex_components_on_edge): Likewise.
        (update_phi_components): Create new PHI nodes directly, instead
        of adding insns to edges.
        (tree_lower_complex): Allocate and free complex_variable_components
        and complex_ssa_name_components here.

2005-07-20  Daniel Berlin  <dberlin@dberlin.org>

        * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
        revert to returning false.

2005-07-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/21149
        * config/i386/i386.md (sse_movhlps): Fix vec_select values.

2005-07-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/22576
        * config/i386/i386.md (cmpxf): Change operand constraints
        to "nonmemory_operand".

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/21180
        * fold-const.c (fold_build1): Add checksum for the operands.
        (fold_build2): Likewise.
        (fold_build3): Likewise.

2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/19055
        * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

        * common.opt (-fforward-propagate): Committed by mistake,
        removed.

2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * reg-stack.c: Fix comment typo(s).
        * tree-ssa-operands.c: Likewise.
        * tree-vectorizer: Likewise.

2005-07-21  Nick Clifton  <nickc@redhat.com>

        * config/sh/symbian.c: Replace C++ style line comments with C
        style line comments.
        (symbian_add_attribute): Do not use a ? operator on the LHS of
        an assignment.
        (sh_symbian_handle_dll_attribute): Change the type of the
        method vector to "VEC(tree,gc)*" and use vector accessor
        macros to walk over the elements.
        (symbian_export_vtable_and_rtti_p): Likewise.
        (symbian_class_needs_attribute_p): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>

        PR target/22085
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
        initialize targetm.resolve_overloaded_builtin here.
        (altivec_expand_overloaded_builtin): Make it non-static.
        * config/rs6000/rs6000-protos.h
        (altivec_expand_overloaded_builtin): New prototype.
        * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
        targetm.resolve_overloaded_builtin here.
        * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.

2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
            Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/19210
        * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
        New.
        * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
        * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
        rely on unproven assumptions.
        * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
        * tree-flow.h (number_of_iterations_exit): Add final parameter.
        * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
        to number_of_iterations_exit.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
        * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
        * tree-ssa-loop-niter.c (find_loop_niter,
        estimate_numbers_of_iterations_loop): Likewise.
        (number_of_iterations_exit): Honor the new options.
        * doc/invoke.texi (Wunsafe-loop-optimizations,
        funsafe-loop-optimizations): Document them.

2005-07-21  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/22167
        * gcse.c (hoist_code): Fix hoist_exprs[] check.

2005-07-20  Adam Nemet  <anemet@lnxw.com>

        * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
        __do_global_dtors_aux longcall.

2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
        (old_special_pred_table): Don't reference
        SPECIAL_MODE_PREDICATES.
        * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
        * config/arc/arc.h: Don't mention PREDICATE_CODES.
        * config/sh/predicates.h: Don't mention
        SPECIAL_MODE_PREDICATES.
        * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
        Remove.

2005-07-20  DJ Delorie  <dj@redhat.com>

        * config.gcc: Add m32c-elf support.

        * doc/contrib.texi: Mention m32c.
        * doc/extend.texi: Document m32c extensions.
        * doc/install.texi: Mention m32c.
        * doc/invoke.texi: Document m32c options.
        * doc/md.texi: Document m32c constraints.

        * config/m32c/addsub.md: New file.
        * config/m32c/bitops.md: New file.
        * config/m32c/cond.md: New file.
        * config/m32c/jump.md: New file.
        * config/m32c/m32c-lib1.S: New file.
        * config/m32c/m32c-lib2.c: New file.
        * config/m32c/m32c-modes.def: New file.
        * config/m32c/m32c-pragma.c: New file.
        * config/m32c/m32c-protos.h: New file.
        * config/m32c/m32c.abi: New file.
        * config/m32c/m32c.c: New file.
        * config/m32c/m32c.h: New file.
        * config/m32c/m32c.md: New file.
        * config/m32c/m32c.opt: New file.
        * config/m32c/minmax.md: New file.
        * config/m32c/mov.md: New file.
        * config/m32c/muldiv.md: New file.
        * config/m32c/predicates.md: New file.
        * config/m32c/prologue.md: New file.
        * config/m32c/shift.md: New file.
        * config/m32c/t-m32c: New file.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
        (stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_set_si, stack_protect_set_si_media,
        stack_protect_set_di_media, stack_protect_test_si,
        stack_protect_test_si_media, stack_protect_test_di_media):
        New insns.

2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.

2005-07-20  James A. Morrison  <phython@gcc.gnu.org>

        * tree.h (tree_expr_nonzero_p): Export.
        * fold-const.c (tree_expr_nonzero_p): Likewise.
        Return true for CALL_EXPRs that are alloca calls.
        (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
        against zero.
        * tree-flow.h (expr_computes_nonzero): Remove.
        * tree-vrp.c (expr_computes_nonzero): Remove.
        (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
        (extract_range_from_unary_expr): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Use
        tree_expr_nonzero_p.

2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
        * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
        extra arg "picreg" and use it instead of pic_offset_table_rtx.
        All callers changed.
        (frame_related_constant_load): New arg "related" which controls
        setting of RTX_FRAME_RELATED_P.  All callers changed.
        (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
        (bfin_expand_prologue): Add stack limit checking.
        * config/bfin/bfin.md (trapifcc): New pattern.

        * config/bfin/bfin.c: Include "langhooks.h".
        (def_builtin): Go through lang_hooks to call builtin_function.

        * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
        * config/bfin/predicates.md (symbol_ref_operand): New.
        (call_insn_operand): Delete.  All callers changed to use
        register_no_elim_operand.
        * config/bfin/bfin.c (init_cumulative_args): Initialize the new
        call_cookie field.
        (function_arg): Use it to generate the call's operand 2.
        (bfin_longcall_p): New function.
        (bfin_expand_call): Extra arg "cookie".  All callers and declaration
        changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
        determine if the address needs to be in a REG.
        (bfin_handle_longcall_attribute): New function.
        (bfin_attribute_table): Add "longcall" and "shortcall".
        * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
        (CUMULATIVE_ARGS): New member call_cookie.
        (PREDICATE_CODES): Add symbol_ref_operand.
        * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
        extra USE to the pattern.
        (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
        New patterns, split off call_insn, sibcall_insn, call_value_insn and
        sibcall_value_insn; now the new patterns handle direct calls and the
        old ones indirect calls.
        * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.

2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>

        * doc/trouble.texi: Update section on handling of empty loops.

2005-07-20  Kazu Hirata  <kazu@codesourcery.com>

        * config.gcc: Remove support for sparc-*-openbsd*,
        i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
        ns32k-*-netbsd*.
        * config.host: Remove support for i860-*-sysv4* as a host.
        * config/i860/*, config/ip2k/*, config/ns32k/*,
        config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
        * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
        mention obsolete ports.

2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
        soft frame pointer.
        (sh_expand_prologue): Use hard_frame_pointer_rtx instead
        of frame_pointer_rtx.
        (sh_expand_epilogue): Likewise.
        (sh_set_return_address): Likewise.
        (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
        instead of FRAME_POINTER_REGNUM if needed.  Add elimination
        offsets from FRAME_POINTER_REGNUM.
        * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
        (sh_register_names): Add initializer for sfp.
        (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
        (VALID_REGISTER_P): Likewise.
        (FIRST_PSEUDO_REGISTER): Update.
        (DWARF_FRAME_REGISTERS): Define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
        (HARD_FRAME_POINTER_REGNUM): Define.
        (FRAME_POINTER_REGNUM): Redefine.
        (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
        but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
        from FRAME_POINTER_REGNUM.
        (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
        FRAME_POINTER_REGNUM.
        (REG_CLASS_CONTENTS): Add sfp.
        (REG_ALLOC_ORDER): Likewise.
        (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
        (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
        of frame_pointer_rtx.
        (LEGITIMIZE_RELOAD_ADDRESS): Likewise.

2005-07-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (tree_expr_nonnegative_p): Only return true for
        ABS_EXPR when flag_wrapv is false because of INT_MIN.
        (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
        of an ABS_EXPR.
        (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
        ABS_EXPR<x>.

2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>

        Make CONSTRUCTOR use VEC to store initializers.
        * c-common.c (complete_array_type): Update to cope with VEC in
        CONSTRUCTOR_ELTS.
        * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
        (pp_c_constructor_elts): New function.
        * c-pretty-print.h (pp_c_constructor_elts): Declare.
        * c-typeck.c (build_function_call, build_c_cast, digest_init,
        struct constructor_stack, struct initializer_stack,
        constructor_elements, push_init_level, pop_init_level,
        add_pending_init, find_init_member, output_init_element): Update to
        cope with VEC in CONSTRUCTOR_ELTS.
        * coverage.c (build_fn_info_value, build_ctr_info_value,
        build_gcov_info): Likewise.
        * expr.c (categorize_ctor_elements_1, store_constructor,
        expand_expr_real_1): Likewise.
        * fold-const.c (fold_ternary): Likewise.
        * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
        gimplify_init_constructor, gimplify_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
        node.
        * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
        CONSTRUCTOR_ELTS.
        * tree-sra.c (generate_element_init_1): Likewise.
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-vect-generic.c (expand_vector_piecewise): Likewise.
        * tree-vect-transform.c (vect_get_vec_def_for_operand):
        (get_initial_def_for_reduction): Likewise.
        * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
        value handle in annotations.
        * tree.c (tree_node_kind, tree_code_size, make_node_stat,
        tree_node_structure): Add support for constr_kind.
        (build_vector_from_ctor, build_constructor_single,
        build_constructor_from_list): New functions.
        (build_constructor): Update to take a VEC instead of a TREE_LIST.
        (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
        Update to cope with VEC in CONSTRUCTOR_ELTS.
        * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
        * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
        CONSTRUCTOR_APPEND_ELT): New macros.
        (struct constructor_elt, struct tree_constructor): New data types.
        (union tree_node): Add tree_constructor field.
        * treestruct.def: Define TS_CONSTRUCTOR.
        * varasm.c (const_hash_1, compare_constant, copy_constant,
        compute_reloc_for_constant, output_addressed_constants,
        initializer_constant_valid_p, output_constant,
        array_size_for_constructor, output_constructor): Update to cope with
        VEC in CONSTRUCTOR_ELTS.
        * vec.h (VEC_empty, VEC_copy): New macros.

2005-07-19  Devang Patel  <dpatel@apple.com>

        * dbxout.c (dbxout_type): Check Objective-C++ lang.

2005-07-19  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22278
        * gimplify.c (gimplify_expr): Use main variant type for the temp
        destination for a discarded volatile read.
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
        casts between non-void types that change volatility.

2005-07-15  DJ Delorie  <dj@redhat.com>

        * toplev.h: Add comment about the first parameter for warning().
        * errors.h: Likewise.

        * c.opt (Wpragmas): New.
        * doc/invoke.texi: Document it.

        * function.c (do_warn_unused_parameter): Add warning control to
        warning call.
        * c-decl.c (warn_if_shadowing): Likewise.
        * c-lex.c (cb_def_pragma): Likewise.
        * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
        (pop_alignment): Likewise.
        (handle_pragma_pack): Likewise.
        (apply_pragma_weak): Likewise.
        (handle_pragma_weak): Likewise.
        (handle_pragma_redefine_extname): Likewise.
        (add_to_renaming_pragma_list): Likewise.
        (handle_pragma_extern_prefix): Likewise.
        (maybe_apply_renaming_pragma): Likewise.
        (handle_pragma_visibility): Likewise.

        * config/c4x/c4x-c.c (BAD): Likewise.
        (c4x_parse_pragma): Likewise.
        * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
        * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
        (rs6000_pragma_longcall): Likewise.
        * config/v850/v850-c.c (pop_data_area): Likewise.
        (ghs_pragma_section): Likewise.
        (ghs_pragma_section): Likewise.
        (ghs_pragma_interrupt): Likewise.
        (ghs_pragma_starttda): Likewise.
        (ghs_pragma_startsda): Likewise.
        (ghs_pragma_startzda): Likewise.
        (ghs_pragma_endtda): Likewise.
        (ghs_pragma_endsda): Likewise.
        (ghs_pragma_endzda): Likewise.

2005-07-19  Danny Berlin <dberlin@dberlin.org>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * Makefile.in: Removed tree-promote-statics.c
        * tree-promote-statics.c: Removed.
        * common.opt: Removed flag-promote-statics.
        * opts.c: Ditto.
        * passes.c: Removed tree-promote-statics pass.
        * tree-pass.h: Ditto.
        * timevar.def: Removed TV_PROMOTE_STATICS.


2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
        and *-*-freebsd9.
        * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.

2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR c/22476
        * c-common.c (check_function_arguments): Call
        'check_function_format' if either -Wformat or
        -Wmissing-format-attribute are specified.
        * c-format.c (check_function_format): Check -Wformat before
        calling 'check_format_info'.
        * c-opts.c (c_common_post_options): Don't warn for
        -Wmissing-format-attribute without -Wformat.
        * c-typeck.c (convert_for_assignment): Detect additional cases for
        -Wmissing-format-attribute.
        * doc/invoke.texi (-Wmissing-format-attribute): Document new
        behavior.

2005-07-19  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.md (lrint<mode>2): Use temporary
        instead of clobbering non-existent memory.

2005-07-19  Nick Clifton  <nickc@redhat.com>

        * config/avr/avr.c (legitimate_address_p): Fix debugging print
        statement to avoid displaying ASCII control characters.

2005-07-19  Ben Elliston  <bje@au.ibm.com>

        * bt-load.c (link_btr_uses): Fix uninitialised warnings.
        * cfganal.c (find_edge_index): Ditto.
        * combine.c (combine_instructions): Ditto.
        * ddg.c (create_scc): Ditto.
        (find_successors): Ditto.
        (find_predecessors): Ditto.
        (find_nodes_on_paths): Ditto.
        (longest_simple_path): Ditto.
        * flow.c (update_life_info): Ditto.
        (count_or_remove_death_notes): Ditto.
        (clear_log_links): Ditto.
        * modulo-sched.c (generate_reg_moves): Ditto.
        (find_max_asap): Ditto.
        (find_max_hv_min_mob): Ditto.
        (find_max_dv_min_mob): Ditto.
        * sbitmap.c (sbitmap_first_set_bit): Ditto.
        * sched-rgn.c (extract_edgelst): Ditto.
        * tree-into-ssa.c (prepare_names_to_update): Ditto.
        (dump_update_ssa): Ditto.
        (ssa_names_to_replace) Ditto.
        (switch_virtuals_to_full_rewrite): Ditto.
        (update_ssa): Ditto.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.

2005-07-18  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22483

        * tree-complex.c (create_components): Use
        safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
        * tree-flow-inline.h (fill_referenced_var_vec): New function.
        * tree-flow.h (safe_referenced_var_iterator): New structure.
        (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
        * tree-ssa-alias.c (setup_pointers_and_addressables): Use
        safe_referenced_var iterator.
        (add_type_alias): Ditto.

2005-07-19  Steven Bosscher  <stevenb@suse.de>

        * loop-init.c (rest_of_handle_loop2): Remove.
        (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
        rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
        (pass_rtl_loop_init, pass_rtl_loop_done,
        pass_rtl_move_loop_invariants, pass_rtl_unswitch,
        pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
        * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
        pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
        pass_tree_loop_done, and pass_tree_unswitch.
        (gate_loop): Rename to gate_tree_loop.
        * passes.c (init_optimization_passes): Update for renamed tree
        loop passes.  Add the new loop2 passes as subpasses of loop2.
        * tree-pass.h: Add extern declarations for the new loop2 subpasses.
        Update for the renamed tree loop passes.

2005-07-18  Ian Lance Taylor  <ian@airs.com>

        PR middle-end/22057
        * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
        blocks when optimizing.

2005-07-18  Steve Ellcey  <sje@cup.hp.com>

        * common.opt (frename-registers): Initialize to 2.
        (fweb): Ditto.
        (fgcse-after-reload): Ditto.
        * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
        (process_options): Only change flag_web, flag_rename_registers,
        and flag_rerun_cse_after_loop if not explicitly set by user.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
        ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
        in 64-bit mode the same as DImode in 32-bit mode.
        (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
        ix86_split_lshr): Likewise. Rename to no longer refer to a specific
        mode. Add new mode parameter.
        * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
        * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
        x86_64_shift_adj): New expanders.
        (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
        *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
        insns.
        Respective new splitters. Use renamed shift splitter helpers in 32-bit
        DImode shift splitters.
        * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
        ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
        mode parameter.

2005-07-18  Jan Beulich  <jbeulich@novell.com>

        * i386.md (movdi_extzv_1): New.
        (zero_extendhidi2): Combine alternatives and never force use of
        REX64 prefix.
        (zero_extendqidi2): Likewise. Don't restrict input selection.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22531
        * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
         moment.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-promote-statics.c (pass_promote_statics): Change dump file
         name.

2005-07-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_eliminate_useless_stores pass.
        * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
        * tree-ssa-pre.c (is_copy_stmt): New function.
        (follow_copies_till_vuse): Ditto.
        (do_eustores): Ditto.
        (gate_eustores): Ditto.

2005-07-16  Richard Henderson  <rth@redhat.com>

        * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.

2005-07-16 Danny Berlin <dberlin@dberlin.org>
           Kenneth Zadeck <zadeck@naturalbridge.com>

        * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
        ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
        ipa-type-escape.h, tree-promote-statics.c
        * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
        ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
        tree-promote-statics.c: new files.
        * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
        nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
        int nonlocal_set_p, mark_constant_function): Deleted.
        (rest_of_handle_cfg): Removed call to mark_constant_function.
        (nonoverlapping_component_refs_p): Added calls to support
        type based aliasing.
        * tree-ssa-alias.c (may_alias_p,
        compute_flow_insensitive_aliasing): Ditto.
        * calls.c (flags_from_decl_or_type): Removed reference to
        cgraph_rtl_info.
        * c-typeck.c (convert_arguments): Make builtins tolerant of having
        too many arguments.  This is necessary for Spec 2000.
        * cgraph.h (const_function, pure_function): Removed.
        * common.opt: Added "fipa-pure-const", "fipa-reference",
        "fipa-type-escape", and "ftree-promote-static".
        * opts.c: Ditto.
        * passes.c: Added ipa and tree-promote-statics passes.
        * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
        TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
        * tree-dfa.c (referenced_var_lookup_if_exists): New function.
        * tree-flow.h: Added exposed sra calls and addition of
        reference_vars_info field for FUNCTION_DECLS.
        * tree-pass.h: Added passes.
        * tree-sra.c: (sra_init_cache): New function.
        (sra_insert_before, sra_insert_after) Made public.
        (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
        and made public.
        * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
        aliasing. (may_alias_p): Added code to use type escape analysis to
        improve alias sets.
        * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
        code to prune clobbers of static variables based on information
        produced in ipa-reference pass.  Changed call clobbering so that
        statics are not marked as clobbered if the call does not clobber
        them.

2005-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
        too.

2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Document recommended version
        of GNU binutils and mention GNU linker problem on Solaris 10.

2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22421
        * c-decl.c (c_build_bitfield_integer_type): New function.
        (finish_struct): Call it.
        * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.

2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-typeck.c (digest_init): Call 'convert_for_assignment'
        before returning.

2005-07-16  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): Fix profile updating.
        (scale_bbs_frequencies_int): Watch roundoff errors.
        * predict.c (return_prediction): Initialize return_stmt.

2005-07-16  Jan Hubicka  <jh@suse.cz>

        * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
        after RTL profiling.

2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22398
        * fold-const.c (build_range_check): Convert high/low to etype
        if we are only comparing against exp.

2005-07-13  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22376
        * tree-ssa-structalias.c (build_constraint_graph): We really meant
        special var here.
        (need_to_solve): New function.
        (compute_points_to_sets): Use it.

2005-07-15  Jan Hubicka  <jh@suse.cz>

        * cfg.c (update_bb_profile_for_threading): More diagnostic.
        * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.

2005-07-15  Richard Guenther  <rguenther@suse.de>

        * c-common.c (handle_flatten_attribute): New function.
        Add flatten function attribute.
        * doc/extend.texi: Document flatten function attribute.
        * Makefile.in (ipa-inline.o): Depend on hashtab.h.
        * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
        New functions.
        (cgraph_decide_inlining): Handle functions with flatten
        attribute.

2005-07-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
        UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
        UNSPEC_XCHG, UNSPEC_AND): New.
        (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
        UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
        * config/rs6000/sync.md (FETCHOP): New code macro.
        (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
        New code attrs.
        (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
        (sync_compare_and_swap<mode>): Same.
        (sync_lock_test_and_set<mode>): Same.
        (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
        for QImode and HImode, and not PPC405.
        (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
        (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
        (sync_<fetchop>{si,di}_internal): New.
        (sync_nand{si,di}_internal): New.
        (sync_old_<fetchop>{si,di}_internal): New.
        (sync_old_nand{si,di}_internal): New
        (sync_new_<fetchop>{si,di}_internal): New.
        (sync_new_nand{si,di}_internal): New.
        (atomic_and{si,di}): New.
        (sync_new_nand{si,di}_internal): New.
        (atomic_and{si,di}): New.
        (sync_add<mode>_internal): Delete.
        (sync_addshort_internal): Use unspec instead of unspec_volatile.
        (sync_sub<mode>_internal): Delte.
        (sync_subshort_internal): New.
        (sync_andsi_internal): Use unspec instead of unspec_volatile.
        (sync_anddi_internal): Delete.
        (sync_boolsi_internal): Use unspec instead of unspec_volatile.
        (sync_booldi_internal): Delete.
        (sync_boolc<mode>_internal): Delete.
        (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
        (sync_boolc<mode>_internal2): Delete.
        (sync_boolcc<mode>_internal): Delete.
        (isync, lwsync): Use unspec instead of unspec_volatile.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
        Revert UNSPEC_VOLATILE.
        (rs6000_split_atomic_op): New.
        * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.

2005-07-14  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_canonicalize_comparison): Cast
        argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.

2005-07-14  Eric Christopher  <echristo@redhat.com>

        * config/s390/t-tpf (SHLIB_MAPFILES): Remove.

2005-07-14  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/22230
        * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
        the computation of the four cross productions for "range op range".

2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20126
        * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
        in some insn.

2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.

2005-07-14  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.

2005-07-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/22347
        * config/i386/i386-protos.h (ix86_function_value): Change
        prototype to match new target hook.
        * config/i386/i386.c (ix86_value_regno): Change prototype
        to take extra type argument.
        (TARGET_FUNCTION_VALUE): Define.
        (ix86_function_ok_for_sibcall): Pass extra argument to
        ix86_value_regno, check return slot rtx for exact match.
        (ix86_function_value): Take extra parameter.  Dispatch to
        ix86_value_regno with fndecl/fntype as provided.
        (ix86_value_regno): Handle extra type argument.
        * config/i386/i386.h (FUNCTION_VALUE): No longer define.

        * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
        * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.

2005-07-14  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
        * calls.c (expand_call): Pass fntype to hard_function_value.
        (emit_library_call_value_1): Likewise.
        * explow.c: Include target.h.
        (hard_function_value): Take extra argument, the fntype.
        Use new target hook for function_value.
        * expr.h (hard_function_value): Change prototype.
        * function.c (aggregate_value_p): Pass 0 as fntype to
        hard_function_value.
        (assign_parms): Use new target hook for function_value.
        Pass 0 as fntype to hard_function_value.
        (expand_function_end): Likewise.
        * reg-stack.c: Include target.h.
        (stack_result): Use new target hook for function_value.
        * target-def.h: New target hook function_value.
        * target.h: Likewise.
        * targhooks.c (default_function_value): New function.
        * targhooks.h (default_function_value): Declare.

2005-07-13  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.

2005-07-14  Jan Hubicka  <jh@suse.cz>

        * tree-dfa.c (dump_variable): Use default_def function.
        * tree-ssa-alias.c (dump_points_to_info): Likewise.
        * tree-ssa.c (verify_use): Likewise.
        * tree-ssanames.c (release_ssa_name): Likewise.
        * tree-tailcall.c (eliminate_tail_call): Likewise.
        (tree_optimize_tail_calls_1): Likewise.
        * tree-vrp.c (get_value_range): Likewise.

2005-07-14  Ben Elliston  <bje@au.ibm.com>

        * gcc.c (main): Compare language[0] with '*' when iterating over
        the infiles.

2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>

        * config/s390/s390.c: (s390_cc_modes_compatible): Move before
        "s390_emit_compare".  Add handling of CCZ1mode.
        (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
        (390_emit_compare): Use "s390_cc_modes_compatible" for mode
        checking.
        (s390_branch_condition_mask): Add CCZ1mode handling.
        * config/s390/s390.md: ("seq", "*seq"): New pattern.
        ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
        Use CCZ1mode instead of CCZmode.
        * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.

2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
        pattern.
        ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.

2005-07-13  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_canonicalize_comparison): New.
        (mips_emit_int_relational): Use.

2005-07-13  Eric Christopher  <echristo@redhat.com>

        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
        static extra parts.
        * config/s390/s390.md: Include tpf.md. Move tpf specific
        patterns...
        * config/s390/tpf.md: To here.
        * config/s390/s390.opt: Move tpf specific options...
        * config/s390/tpf.opt: to here. Add mmain option.
        * config/s390/tpf-unwind.h: Remove unnecessary defines.
        * config/s390/tpf.h: Rewrite.

2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi: Remove @xref{Cross-profiling}.

2005-07-13  Jeff Law  <law@redhat.com>

        * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
        expressions, test their _DECL operands for pointer equality rather
        than using operand_equal_p.

2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
        (TARGET_POSIX_IO): This.
        * config/darwin.h: Likewise.
        * config/freebsd.h: Likewise.
        * config/linux.h: Likewise.
        * config/lynx.h: Likewise.
        * config/netbsd.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/linux.h: Likewise.
        * config/s390/tpf.h: Likewise.
        * config/sh/embed-elf.h: Likewise.
        * config/sparc/linux64.h: Likewise.
        * config/sparc/linux.h: Likewise.
        * config/svr4.h: Likewise.
        * gcov-io.h: Likewise.

        * doc/tm.texi: Updated.

        * libgcov.c (create_file_directory): Defined only if
        TARGET_POSIX_IO is defined.
        (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
        is defined.

2005-07-13  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.

2005-07-13  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
        structure as argument.

2005-07-13  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21921
        * tree-iterator.c (tsi_link_before): Support the case when
        tsi_end_p (tsi) == true.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22442
        * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
        correctly.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/20376
        * toplev.c (process_options): Enable -fweb and -frename-registers when
        unrolling.
        * doc/invoke.texi: Update the information about when -fweb and
        -frename-registers are enabled.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21840
        * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
        if *rhs_p is not a SSA_NAME.

2005-07-12  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22422
        * tree-ssa-structalias.c (struct variable_info): Add flag for
        special vars.
        (get_varinfo): Now a static function.
        (new_varinfo): init has_union and is_special_var to false.
        (solution_set_add): Check has_union.
        (do_da_constraint): Move temporary variable so it gets reset
        properly.
        Also check for special variable.
        (do_ds_constraint): Ditto.
        (do_sd_constraint): Ditto.
        (do_structure_copy): Check for special variable.
        (find_func_aliases): Ditto.
        (init_base_vars): Set special vars properly.

2005-07-13  Jan Hubicka  <jh@suse.cz>

        * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
        do unit-at-a-time.

        * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
        (get_expr_operands): Fix thinko wrt flags and subvars.

        PR tree-optimize/22379
        * tree-inline.c (expand_call_inline): Do not output sorry in early
        inlining.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR bootstrap/21704
        * host-linux.h: Include limits.h.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * expr.c (compress_float_constant):  Add cost check.
        * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.

2005-07-12  Dale Johannesen  <dalej@apple.com>

        * gcc.target/i386/compress-float-sse.c:  New.
        * gcc.target/i386/compress-float-sse-pic.c:  New.
        * gcc.target/i386/compress-float-387.c:  New.
        * gcc.target/i386/compress-float-387-pic.c:  New.
        * gcc.dg/compress-float-ppc.c:  New.
        * gcc.dg/compress-float-ppc-pic.c:  New.

2005-07-12  Eric Christopher  <echristo@redhat.com>

        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
        static extra parts.
        * config/s390/s390.md: Include tpf.md. Move tpf specific
        patterns...
        * config/s390/tpf.md: To here.
        * config/s390/s390.opt: Move tpf specific options...
        * config/s390/tpf.opt: to here. Add mmain option.
        * config/s390/tpf-unwind.h: Remove unnecessary defines.
        * config/s390/tpf.h: Rewrite.

2005-07-12  Eric Christopher  <echristo@redhat.com>

        * gcc.c (struct infile): Update comment for language.
        (main): Rewrite input file resetting code.

2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22335
        * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
        requiring a cast in a non RHS of modify_expr.  Add a cast when required.
        (lookup_avail_expr): Use constant_boolean_node instead
        of boolean_false_node/boolean_true_node.

2005-07-12  Ben Elliston  <bje@au.ibm.com>

        * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
        and use it when printing num_edges.

2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * doc/extend.texi (Blackfin Built-in Functions): New section.
        * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
        @opindex.

2005-07-12  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
        s/cmpstrsi/cmpstrnsi
        (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
        'cmpstrnsi'.
        * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
        (init_optabs): Initialize cmpstrn_optab.
        * optabs.h: (enum insn_code cmpstrn_optab): Declare.
        * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
        * expr.c: (enum insn_code cmpstrn_optab): Declare.
        * config/i386/i386.md: s/cmpstr/cmpstrn
        * config/c4x/c4x.md: s/cmpstr/cmpstrn
        * doc/md.texi: Update documentation.

2005-07-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
        build_va_arg_indirect_ref.
        (alpha_gimplify_va_arg): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
        * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.

2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
        * passes.c (init_optimization_passes): Add pass_empty_loop.
        * tree-pass.h (pass_empty_loop): Declare.
        * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
        try_remove_empty_loop, remove_empty_loops): New functions.
        * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
        * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.

2005-07-12  Peter Barada  <peter@the-baradas.com>

        PR middle-end/16719
        PR middle-end/18421
        * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
        in address registers.
        * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
        * config/m68k/m68k.md: Replace 's' with 'i' in 4th
        alternative of addsi3_5200.

2005-07-11  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.md (ffs<mode>2): Remove.

2005-07-11  Ian Lance Taylor  <ian@airs.com>

        * doc/tree-ssa.texi (Cleanups): Improve description of
        TRY_FINALLY_EXPR.
        (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>

        * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
        * tree.h (DECL_ARGUMENT_FLD): New macro.

2005-07-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22404

        * tree-ssa-structalias.c (create_variable_info_for): Use
        correct offset.

2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
        compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
        for second comparison operand.
        * config/bfin/predicates.md (reg_or_const_int_operand): New.

        * config/bfin/bfin.md (define_attr "type"): Add "sync".
        (define_insn_reservation "alu"): Likewise.
        (csync, ssync): Now of type sync.
        * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
        -mcsync-anomaly -mspecld-anomaly.
        * config/bfin/bfin.opt (mcsync): Remove.
        (mcsync-anomaly, mspecld-anomaly): Add.
        * config/bfin/bfin.c: Include "insn-codes.h".
        (bfin_reorg): Extend to handle the CSYNC anomaly as well.
        (TARGET_DEFAULT_TARGET_FLAGS): New.
        * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.

2005-07-11  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h: Give the BB flags enum a name, bb_flags.
        Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
        * cfgcleanup.c (enum bb_flags): Remove here.
        (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
        (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
        (update_forwarder_flag): Likewise.
        (thread_jump): Likewise.
        (try_forward_edges): Likewise.
        (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
        forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
        reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.

2005-07-11  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386.opt: New target option -msseregparm.
        * config/i386/i386.c (override_options): Error out for
        -msseregparm but no SSE support.
        (ix86_function_sseregparm): Check for global sseregparm.
        * doc/invoke.texi: Document -msseregparm.

2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config.gcc (m32r-*-linux*): Use the default extra_parts.
        (m32rle-*-linux*): Ditto.

2005-07-11  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
        instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
        bytes.

2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/22239
        PR target/20126
        * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
        gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).

2005-07-07  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (struct variable_info): Heapify complex.
        (varmap): Heapify varmap.
        (constraints): Heapify constraints.
        (struct constraint_graph): Heapify succs and preds.
        (constraint_vec_find): Update for heapification.
        (constraint_set_union): Ditto.
        (insert_into_complex): Ditto.
        (constraint_edge_vec_find): Ditto.
        (erase_graph_self_edge): Ditto.
        (add_graph_edge): Ditto.
        (get_graph_weights): Ditto.
        (merge_graph_nodes): Ditto.
        (build_constraint_graph): Ditto.
        (topo_visit): Ditto.
        (solve_graph): Ditto.
        (create_variable_info_for): Ditto.
        (init_base_vars): Ditto.
        (delete_points_to_sets): Free graph, varmap, and complex constraints.
        (condese_varmap_nodes): Free complex vector.
        (clear_edges_for_node): Clear succs and preds vector.

2005-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (update_alias_info): Change counting of
        references to not include vdefs.

2005-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-alias.c (free_used_part_map): Add missing free.
        (up_insert): Ditto.

2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_commutative_p): Make PLUS commutative when
        TARGET_NO_SPACE_REGS is true.

2005-07-09  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
        * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
        * tree-dfa.c (dump_subvars_for): New.
        (debug_subvars_for): New.
        (dump_variable): Show subvariables if VAR has them.
        * tree-flow-inline.h (get_subvar_at): New.
        (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
        * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
        Update all users.
        (struct subvar): Change fields offset and size to unsigned
        HOST_WIDE_INT.
        (dump_subvars_for): Declare.
        (debug_subvars_for): Declare.
        (get_subvar_at): Declare.
        (okay_component_ref_for_subvars): Change 2nd and 3rd argument
        to unsigned HOST_WIDE_INT *.
        (overlap_subvar): Likewise.
        * tree-gimple.c (is_gimple_reg): Always return false for
        SFTs and memory tags.
        * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
        Update all callers.
        * tree-ssa-alias.c: Include tree-ssa-structalias.h.
        (compute_may_aliases): Call compute_points_to_sets.
        (collect_points_to_info_for): Remove.
        (compute_points_to_and_addr_escape): Remove.
        (delete_alias_info): Call delete_points_to_sets.
        (compute_flow_sensitive_aliasing): If the call to
        find_what_p_points_to returns false, call set_pt_anything.
        (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
        (set_pt_anything): Clear pi->pt_vars.
        (set_pt_malloc): Remove.
        (merge_pointed_to_info): Remove.
        (add_pointed_to_expr): Remove.
        (add_pointed_to_var): Remove.
        (collect_points_to_info_r): Remove.
        (is_escape_site): Make extern.
        (create_sft): New.
        (create_overlap_variables_for): Call it.
        * tree-ssa-copy.c (merge_alias_info): Never merge
        flow-sensitive alias information.
        * tree-ssa-operands.c (get_expr_operands): Adjust variables
        offset and size to be unsigned HOST_WIDE_INT.
        (add_to_addressable_set): Rename from note_addressable.
        Set TREE_ADDRESSABLE as the variables are added to the set.
        Update all users.
        (add_stmt_operand): Do not try to micro-optimize unmodifiable
        operands into VUSEs when adding V_MAY_DEFs for members in an
        alias set.
        * tree-ssa-operands.h (add_to_addressable_set): Declare.
        * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
        (struct variable_info): Add bitfield is_heap_var.
        (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
        (new_var_info): Initialize is_heap_var.
        (get_constraint_for): Add HEAP variables to the symbol table.
        Mark them with is_heap_var.
        (update_alias_info): New.  Taken mostly from the old
        compute_points_to_and_addr_escape.
        (handle_ptr_arith): New.
        (find_func_aliases): Call update_alias_info.
        Call handle_ptr_info for tcc_binary expressions.
        Call mark_stmt_modified.
        (create_variable_info_for): If DECL has subvars, do not create
        variables for its subvars.  Always add all the fields.
        (set_uids_in_ptset): If the solution includes ANYOFFSET and
        SFTs, then add all the SFTs of the structure.
        If VI->DECL is an aggregate with subvariables, add the SFT at
        VI->OFFSET.
        (find_what_p_points_to): If VI is an artificial variable,
        translate to bitfields in SSA_NAME_PTR_INFO.
        If the solution is empty, set pi->pt_vars to NULL
        (init_base_vars): Create ANYOFFSET.
        (compute_points_to_sets): Rename from create_alias_vars.
        Make extern.
        (pass_build_pta): Remove.
        (delete_points_to_sets): Rename from delete_alias_vars.
        (pass_del_pta): Remove.
        * tree-ssa-structalias.h (struct alias_info): Move from
        tree-ssa-alias.h.
        (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
        NUM_REFERENCES_SET): Likewise.
        (compute_points_to_sets, delete_points_to_sets): Declare.

2005-07-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
        alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
        alpha_split_lock_test_and_set_12): New functions.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
        UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
        * config/alpha/sync.md (I12MODE): New.
        (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
        (sync_<fetchop_name><I48MODE>): Likewise.
        (sync_nand<I48MODE>): Likewise.
        (sync_old_<fetchop_name><I48MODE>): Likewise.
        (sync_new_<fetchop_name><I48MODE>): Likewise.
        (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
        (sync_compare_and_swap<I48MODE>): Likewise.
        (sync_lock_test_and_set<I48MODE>): Likewise.
        (sync_compare_and_swap<I12MODE>): New.
        (sync_compare_and_swap<I12MODE>_1): New.
        (sync_lock_test_and_set<I12MODE>): New.
        (sync_lock_test_and_set<I12MODE>_1): New.

2005-07-09  Diego Novillo  <dnovillo@redhat.com>

        PR 21356
        PR 22332
        * passes.c (execute_todo): Cleanup the CFG before updating SSA.

2005-07-09  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
        in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).

2005-07-09  Richard SAndiford  <richard@codesourcery.com>

        PR target/21656
        * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.

2005-07-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/sync.md (load_locked_<mode>): Use Z for
        memory_operand constraint.
        (store_conditional_<mode>): Same.
        (sync_compare_and_swap<mode>): Same.
        (sync_lock_test_and_set<mode>): Same.

2005-07-08  Hans-Peter Nilsson  <hp@axis.com>

        Rewrite PIC support to more closely model actual instructions.
        * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
        (cris_symbol): Remove prototypes for removed functions.
        (cris_pic_symbol_type_of, cris_valid_pic_const)
        (cris_expand_pic_call_address): Prototypes for new functions.
        * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
        variable.
        (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
        modifiers.
        <case ':'>: Add case for new punctuation character.
        <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
        emitting (extra) PIC modifier.
        <case UNSPEC>: Do not assert for PLT.
        (cris_initial_frame_pointer_offset, cris_simple_epilogue)
        (cris_expand_prologue, cris_expand_epilogue): Check
        for pic_offset_table_rtx usage instead of taking
        current_function_uses_pic_offset_table as the final word.
        (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
        Remove flag_pic difference.
        (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
        the moral equivalents of...
        (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
        functions.
        (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
        (cris_handle_option): Mark ARG as unused.
        (cris_expand_pic_call_address): New worker function for "call",
        "call_value".
        (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
        output PIC constructs here.
        (cris_output_addr_const_extra): Changes for emitting PIC modifiers
        as symbol-specific modifers, not whole or part of operands.
        * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
        (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
        constants and flag_pic.
        (CONSTANT_INDEX_P): Adjust for new functions.
        (enum cris_pic_symbol_type): New helper type.
        (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
        * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
        (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
        define_constants.
        ("movsi"): Emit actual instructions for GOT and relative access.
        ("*movsi_got_load"): New pattern to set up the register holding
        the GOT pointer.
        ("*movsi_internal"): Operand 1 is not a plain general_operand.
        Adjust FIXME for 'S'.
        <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
        Use "movs" for -fpic cases.
        ("addsi3"): Add alternative for 'S'; use adds.w when possible.
        ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
        ("call", "call_value"): Just call cris_expand_pic_call_address for
        PIC addresses.
        ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
        Remove special pattern.
        ("*expanded_call_side", "*expanded_call_value_side"): New
        patterns.
        (gotplt-to-plt, gotplt-to-plt-side-call)
        (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
        peephole2:s.
        * config/cris/cris/predicates.md
        ("cris_general_operand_or_gotless_symbol"): Remove unused
        predicate.
        ("cris_general_operand_or_symbol"): Adjust for new functions.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.

2005-07-08  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (TREE_H): Add treestruct.def.
        (c-decl.o): Add pointer-set.h
        * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
        visibility on regular DECL's.
        (merge_decls): Fix the copying of decl nodes of various types for
        the new structures.  Don't update RTL, section name, weak status,
        etc, on DECL's without RTL.
        (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
        Don't check volatile on non-variable types.
        (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
        to check whether we have seen arguments.
        * c-objc-common.c (c_tree_printer): Reverse order of tests so that
        flag is checked before field (flag is common, field is not).
        * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
        TS_DECL_COMMON could have an origin.
        (add_location_or_const_value_attribute): Don't check section name
        on non-var/function decls.
        (dwarf2out_var_location): Reverse order of tests.
        * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
        with DECL_WRTL_CHECK.
        * expmed.c (make_tree): rtl is now in decl_with_rtl.
        * fold-const.c (fold_binary): Don't check weakness on
        non-var/function decls.
        (tree_expr_nonzero_p): Ditto.
        (fold_checksum_tree): Use tree_decl_extra as sizeof
        buffer.
        * ggc-page.c (extra_order_size_table): Add sizes for
        tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
        tree_field_decl.
        * gimplify.c (gimplify_bind_expr): Only set
        DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
        * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
        without RTL.
        * langhooks-def.h (LANG_HOOK_INIT_TS): New.
        * langhooks.h (init_ts). New langhook.
        * passes.c (rest_of_decl_compilation): Reverse order of tests.
        * print-tree.c (print_node): Update to only print fields that
        exist in the structures the passed decl has.
        * toplev.c (wrapup_global_declarations): Don't reset
        DECL_DEFER_OUTPUT on DECL's that don't contain it.
        * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
        * tree-inline.c (remap_decl): Ditto.
        * tree-outof-ssa.c (create_temp): Reverse order of tests.
        * tree-pretty-print.c (print_declaration): Don't print
        DECL_REGISTER on things that don't contain it.
        * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
        non-var/function decls.
        * tree.c (tree_contains_struct): New structure.
        (init_priority_for_decl): New hashtable.
        (tree_int_map): New structure.
        (tree_int_map_eq): New function.
        (tree_int_map_marked_p): Ditto.
        (tree_int_map_hash): Ditto.
        (tree_map): Move to tree.h.
        (tree_map_eq): Externalize.
        (tree_map_hash): Ditto.
        (tree_map_marked_p): Ditto.
        (init_ttree): Set up tree_contains_struct and call langhook.
        (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
        (tree_code_size): Update for new structures.
        (tree_node_structure): Update for new structures.
        (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
        without the field.
        (copy_node_stat):  Copy init priority.
        (build_decl_stat): Ditto for visibility.
        (ts_enum_names): New.
        (tree_contains_struct_check_failed): New function.
        (decl_init_priority_lookup): Ditto.
        (decl_init_priority_insert): Ditto.
        * treestruct.def: New file.
        * tree.h (CODE_CONTAINS_STRUCT): New macro.
        (CONTAINS_STRUCT_CHECK): Ditto.
        (tree_contains_struct_check_failed): New prototype.
        (DECL_CHECK): Removed.
        (DECL_MINIMAL_CHECK): New.
        (DECL_COMMON_CHECK): Ditto.
        (DECL_WRTL_CHECK): Ditto.
        (DECL_NON_COMMON_CHECK): Ditto.
        (DECL_WITH_VIS_CHECK): Ditto.
        (VAR_OR_FUNCTION_DECL_P): Ditto
        (struct tree_decl_minimal): New structure.
        (struct tree_decl_common): Ditto.
        (struct tree_decl_with_rtl): Ditto.
        (struct tree_decl_with_vis): Ditto.
        (struct tree_decl_non_common): Ditto.
        (struct tree_field_decl): Ditto.
        (struct tree_parm_decl): Ditto.
        (struct tree_var_decl): Ditto.
        (struct tree_function_decl): Ditto.
        (struct tree_const_decl): Ditto.
        (struct tree_result_decl): Ditto.
        (union tree_node): Add new structures.
        * var-tracking.c (track_expr_p): Reverse order of tests.

        * doc/c-tree.texi: Add documentation on DECL node internal structure.

2005-07-08  Kazu Hirata  <kazu@codesourcery.com>

        * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
        * system.h: Poison FINALIZE_PIC.
        * doc/tm.texi (FINALIZE_PIC): Remove.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22329
        * tree-ssa-propagate.c (fold_predicate_in): Convert the value
        to the correct type if we have a MODIFY_EXPR.

2005-07-08  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/22360
        * tree.c (upper_bound_in_type): Fix calculations for casting
        to a non-wider signed type and casting a signed value to a
        wider unsigned type.
        (lower_bound_in_type): Fix calculations for casting to a
        non-wider signed type.

        PR tree-optimization/20139
        * tree-cfg.c (remove_bb): Check in_ssa_p before calling
        release_defs.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
        fold_cond_expr_cond.
        * tree-ssanames.c (release_defs): Assert in_ssa_p.
        * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.

2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22356
        * tree-complex.c (expand_complex_libcall): Produce
        REALPART_EXPR/IMAGPART_EXPR with the correct type.

2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>

        * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
        b" assert and inserted fastpath code for this case.
        (bitmap_ior): Removed "a != b" assert.

2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
        (ENDFILE_SPEC): Likewise.
        * config/m32r/m32r.h (ASM_SPEC): Likewise.

        * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
        a large stack frame at epilogue.

2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>

        * final.c: Include sdbout.h when required.

2005-07-07  Geoffrey Keating  <geoffk@apple.com>

        * config.gcc (*-*-darwin*): Only one target-specific header file
        for generic darwin.
        (powerpc-*-darwin*): Add version-specific header files.
        * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
        * config.in: Regenerate.
        * configure: Regenerate.
        * gcc.c: Include xregex.h.
        (version_compare_spec_function): New.
        (spec_function): Add version-compare.
        (replace_outfile_spec_function): Reformat comment.
        (compare_version_strings): New.
        * config/darwin-c.c (version_as_macro): New.
        (builtin_define): New.
        (darwin_cpp_builtins): New.
        * config/darwin-protos.h (darwin_cpp_builtins): New.
        * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
        (LIB_SPEC): Make unconditional, update comment.
        (TARGET_C99_FUNCTIONS): Define.
        * config/darwin.opt: Sort.
        (mmacosx-version-min=): New.
        * config/darwin7.h: Delete.
        * config/darwin8.h: Delete.
        * config/i386/darwin.h (): Call darwin_cpp_builtins.
        * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
        (TARGET_C99_FUNCTIONS): Define.
        * config/rs6000/darwin7.h: New.
        * config/rs6000/darwin8.h: New.
        * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
        (-mmacosx-version-min): Document.

2005-07-07  Ian Lance Taylor  <ian@airs.com>

        * config/mips/mips.md (abs<mode>2) [GPR]: Remove.

2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>

        PR middle-end/22239
        * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.

2005-07-07  Khem Raj  <kraj@mvista.com>

        * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
        in bytes, not words.

2005-07-07  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
        DEFAULT_FUNCTION_ARG_PADDING to upward.

2005-07-07  Richard Henderson  <rth@redhat.com>

        * function.c (locate_and_pad_parm): Record parameter alignment in
        stack_alignment_needed.

2005-07-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
        UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
        (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
        UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
        (define_attr "type"): Add isync, sync, load_l, store_c.
        * config/rs6000/sync.md (memory_barrier): Change to define_expand.
        Create scratch volatile MEM.
        (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
        sync.
        (load_locked_<mode>): New.
        (store_conditional_<mode>): New.
        (sync_compare_and_swap<mode>): Replace with splitter.
        (sync_lock_test_and_set<mode>): Replace with splitter.
        (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
        and UNSPECV_ISYNC.
        (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
        is ics.  Attribute isync.
        (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
        lwsync.
        * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
        and UNSPECV_SYNC_OP.
        (emit_unlikely_jump): New.
        (emit_load_locked): New.
        (emit_store_conditional): New.
        (rs6000_split_compare_and_swap): New.
        (rs6000_split_lock_test_and_set): New.
        (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
        TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
        * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
        rs6000_split_lock_test_and_set): Declare.
        * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
        mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
        store_c, isync, sync.

2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (echo_quoted_to_gtyp): New template for outputing
        filenames to gtyp-gen.h.
        (s-typ-gen): Use it in place of for loops.

2005-07-07  J"orn Rennecke <joern.rennecke@st.com>

        * hooks.c (hook_bool_rtx_int_false): New function.
        * hooks.h (hook_bool_rtx_int_false): Declare.
        * target-def.h (TARGET_COMMUTATIVE_P): Define.
        (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
        * target.h (struct gcc_target): Add commutative_p member.
        * targhooks.c (hook_bool_rtx_commutative_p): New function.
        * targhooks.h (hook_bool_rtx_commutative_p): Declare.
        * pa.c (TARGET_COMMUTATIVE_P): Redefine.
        (pa_commutative_p): New function.
        * jump.c (target.h): Include.
        (rtx_renumbered_equal_p): Use targetm.commutative_p.
        * doc/tm.texi: Document TARGET_COMMUTATIVE_P.

2005-07-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
        (s390_expand_setmem): New.
        * config/s390/s390.c: Likewise.
        (print_shift_count_operand): Truncate to 12 bits instead of 6.
        Adapt comments.
        * config/s390/s390.md: ("setmem<mode>"): Accept character as
        general_operand.  Call new function "s390_expand_setmem".
        ("clrmem_long", "*clrmem_long"): Rewrite to ...
        ("setmem_long", "*setmem_long"): ... this.

2005-07-07  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c: (optimization_options): Enable
        TARGET_MVCLE at -Os.
        * doc/invoke.texi: Document changes in default behaviour.
        * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".

2005-07-07  Adrian Straetling  <straetling@de.ibm.com>

        * expr.c: (set_storage_via_setmem): Convert opchar to mode
        defined by back-end.

2005-07-07  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
        all sets in the pattern.
        * config/rs6000/rs6000.md (stack_protect_testsi,
        stack_protect_testdi): Likewise.

2005-07-06  Jeff Law  <law@redhat.com>

        * tree-vrp.c (simplify_using_ranges): Kill.
        (vrp_finalize): Remove call to simplify_using_ranges.
        (simplify_stmt_using_ranges): New function extracted from
        simplify_using_ranges.
        (simplify_div_or_mod_using_ranges): Likewise.
        (simplify_abs_using_ranges): Likewise.
        (simplify_cond_using_ranges): New function.
        * tree-flow.h (simplify_stmt_using_ranges): Prototype.
        * tree-ssa-propagate.c (substitute_and_fold): Call
        simplify_stmt_using_ranges if we have range information.

2005-07-06  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (ia64_reorg): Check optimize before
        ia64_flag_schedule_isns2.

        * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
        reading/writing general registers.
        (ia64_function_arg): Revert 2005-06-18 change.

2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
        (legitimize_tls_address): Use gcc_unreachable instead of abort.

2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * function.c (expand_function_end): Revert part of 2005-06-27
        patch.  Do sjlj_emit_function_exit_after after return_label.

2005-07-06  Kazu Hirata  <kazu@codesourcery.com>

        * doc/install.texi (--disable-libssp): New.

2005-07-06  Fariborz Jahanian <fjahanian@apple.com>

        * doc/invoke.texi: Update -fforce-mem documentation.
        * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
        code for -fforce-mem.
        * expmed.c: (store_bit_field,store_fixed_bit_field,
        extract_bit_field): Ditto.
        * expr.c: (convert_move): Ditto.
        * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
        expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
        emit_conditional_add,expand_float,expand_fix): Ditto.
        * opts.c: (decode_options): Remove setting of flag_force_mem flag.
        (common_handle_option): Issue warning when -fforce-mem specified.

2005-07-06  Paul Brook  <paul@codesourcery.com>

        * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
        argument is empty.
        * configure: Regenerate.

2005-07-06  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.

2005-07-06  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22319
        Fix PR tree-optimization/22140
        Fix PR tree-optimization/22310

        * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
        variable sized types.
        Use correct type for intermediate structure on *a = *b structure
        copies.

2005-07-06  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
        Remove.
        (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
        (machine_function): Move typedef to...
        * config/rs6000/rs6000.c (machine_function): ... here.  Add
        varargs_save_offset field.
        (rs6000_stack_t): Remove varargs_size field.
        (setup_incoming_varargs): Allocate varargs save area using
        assign_stack_local, try to make it as small as possible.
        Save offset from virtual_stack_vars_rtx to the save area
        in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
        instead of magic 8 when fp word byte size is used.
        (rs6000_va_start): Use cfun->machine->varargs_save_offset
        instead of -RS6000_VARARGS_SIZE.
        (rs6000_stack_info, debug_stack_info,
        rs6000_initial_elimination_offset): Remove all traces of
        varargs_size.
        * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
        * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
        RS6000_VARARGS_AREA.

2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/21963
        * tree-ssa-loop-ivopts.c (get_computation_aff): Use
        constant_multiple_of in the same way get_computation_cost_at does.

2005-07-06  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (sparc_compare_emitted): New extern.
        * config/sparc/sparc.c (sparc_compare_emitted): New variable.
        (gen_compare_reg): If sparc_compare_emitted is set, clear it
        and return its previous value.
        (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
        * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
        constants.
        (stack_protect_set, stack_protect_test): New expanders.
        (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
        stack_protect_testdi): New insns.
        * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.

2005-07-06  Jeff Law  <law@redhat.com>

        * tree-ssa-dce.c (cfg_altered): New global.
        (tree_dce_init): Initialize cfg_altered.
        (remove_dead_stmt): If we remove an edge in the CFG, then set
        CFG_ALTERED.
        (perform_tree_ssa_dce): If we altered the CFG, then invalidate
        the dominators.

2005-07-06  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in (stamp-collect-ld): Use
        $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
        ./collect-ld if it already exists.
        (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
        Don't remove ./nm if it already exists.

2005-07-05  Devang Patel  <dpatel@apple.com>

        * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
        (LOOP_VINFO_LOC, LOOP_LOC): Remove.
        * tree-vectorizer.c (vect_loop_location): New.
        (vect_print_dump_info): Use vect_loop_location.
        (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
        (vectorize_loops): Set vect_loop_location.
        * tree-vect-analyze.c (vect_analyze_offset_expr,
        vect_determin_vectorization_factor, vect_analyze_operations,
        vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
        vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
        vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
        vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
        vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
        vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
        vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
        vect_analyze_loop): Adjust vect_print_dump_info API.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
        vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
        vect_finish_stmt_generation, vectorizable_assignment,
        vectorizable_operation, vectorizable_store, vectorizable_load,
        vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
        vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
        vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
        vect_transform_loop): Same.
        * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
        vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
        Same.

2005-07-05  Randolph Chung  <tausq@debian.org>

        * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
        * configure: Regenerate.
        * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
        (pa_tls_referenced_p): Declare.
        * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
        (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
        (legitimize_tls_address): New.
        (hppa_legitimize_address): Handle TLS addresses.
        (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define.
        (emit_move_sequence): Handle TLS addresses.
        (pa_encode_section_info): Call default handler to handle common
        sections.
        * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
        (CONSTANT_ADDRESS_P): Reject TLS operands.
        (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
        * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
        (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
        (UNSPEC_TLSLE): Define new constants.
        (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
        * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
        (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
        (tie_symbolic_operand, tle_symbolic_operand): New

2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Update macros for autoconf 2.59 style.
        * configure.ac: Likewise.

2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (function_value): Handle small aggregates on 32-bit targets.
        (function_arg): Pass small aggregates in general registers on 32-bit
        targets.
        * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.

2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * Makefile.in (final.o): Fix dependencies.

2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22013
        PR c/22098
        * langhooks.h (struct lang_hooks): Add expr_to_decl.
        * langhooks.c (lhd_expr_to_decl): New.
        * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
        New.
        (LANG_HOOKS_INITIALIZER): Update.
        * tree.c (recompute_tree_invarant_for_addr_expr): Call
        expr_to_decl langhook.
        * c-tree.h (c_expr_to_decl): Declare.
        * c-typeck.c (c_expr_to_decl): New.
        (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
        specially.
        * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.

2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22308
        * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
        C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.

2005-07-05  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in: Adjust dependencies.
        * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
        * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
        * alias.c (rest_of_handle_cfg, pass_cfg): New.
        * bb-reorder.c (duplicate_computed_gotos): Make it static.
        * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
        rest_of_compilation.

        * bb-reorder.c (gate_duplicate_computed_gotos,
        pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
        rest_of_handle_reorder_blocks, pass_reorder_blocks,
        gate_handle_partition_blocks, rest_of_handle_partition_blocks,
        pass_partition_blocks): New.
        * bt-load.c (gate_handle_branch_target_load_optimize,
        rest_of_handle_branch_target_load_optimize,
        pass_branch_target_load_optimize): New.
        * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
        pass_jump2): New.
        * cfglayout.c (pass_insn_locators_initialize): New.
        * cfgrtl.c (pass_free_cfg): New.
        * combine.c (gate_handle_combine, rest_of_handle_combine,
        pass_combine): New.
        * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
        gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
        * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
        * except.c (pass_set_nothrow_function_flags,
        pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
        pass_rtl_eh): New.
        * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
        rest_of_handle_shorten_branches, pass_shorten_branches,
        rest_of_clean_state, pass_clean_state): New.
        * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
        rest_of_handle_remove_death_notes, pass_remove_death_notes,
        rest_of_handle_life, pass_life, rest_of_handle_flow2,
        pass_flow2): New.
        * function.c (pass_instantiate_virtual_regs, pass_init_function,
        rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
        * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
        pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
        pass_gcse): New.
        * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
        * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
        pass_rtl_ifcvt, gate_handle_if_after_combine,
        rest_of_handle_if_after_combine, pass_if_after_combine,
        gate_handle_if_after_reload, rest_of_handle_if_after_reload,
        pass_if_after_reload): New.
        * integrate.c (pass_initial_value_sets): New.
        * jump.c (pass_cleanup_barriers, purge_line_number_notes,
        pass_purge_lineno_notes): New.
        * mode-switching.c (rest_of_handle_mode_switching,
        pass_mode_switching): New.
        * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
        * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
        pass_loop2): New.
        * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
        pass_loop_optimize): New.
        * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
        pass_sms): New.
        * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
        pass_gcse2): New.
        * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
        pass_postreload_cse): New.
        * profile.c (gate_handle_profiling, pass_profiling,
        rest_of_handle_branch_prob, pass_branch_prob): New.
        * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
        pass_split_before_regstack, gate_handle_split_before_regstack,
        gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
        rest_of_handle_split_all_insns, pass_split_all_insns): New.
        * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
        pass_stack_regs): New.
        * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
        gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
        pass_stack_adjustments): New.
        * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
        pass_regrename): New.
        * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
        pass_delay_slots, gate_handle_machine_reorg,
        rest_of_handle_machine_reorg, pass_machine_reorg): New.
        * rtl.h (extern void purge_line_number_notes): New.
        * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
        gate_handle_sched2, rest_of_handle_sched2, pass_sched,
        pass_sched2): New.
        * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
        pass_tracer): New.
        * value-prof.c (gate_handle_value_profile_transformations,
        rest_of_handle_value_profile_transformations,
        pass_value_profile_transformations): New.
        * var-tracking.c (gate_handle_var_tracking,
        pass_variable_tracking): New.
        * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.

        * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
        rest_of_handle_delay_slots, rest_of_handle_stack_regs,
        rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
        rest_of_handle_old_regalloc, rest_of_handle_regrename,
        rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
        rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
        rest_of_handle_gcse2, rest_of_handle_regmove,
        rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
        rest_of_handle_web, rest_of_handle_branch_prob,
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
        rest_of_handle_jump_bypass, rest_of_handle_combine,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
        rest_of_handle_mode_switching, rest_of_handle_jump,
        rest_of_handle_eh, rest_of_handle_stack_adjustments,
        rest_of_handle_flow2, rest_of_handle_jump2,
        rest_of_handle_peephole2, rest_of_handle_postreload,
        rest_of_handle_shorten_branches, rest_of_clean_state,
        rest_of_compilation): Remove.

        * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
        * passes.c (dump_flags, in_gimple_form, all_passes,
        all_ipa_passes, all_lowering_passes, register_one_dump_file,
        register_dump_files, next_pass_1, last_verified, execute_todo,
        execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
        from tree-optimize.c.
        (init_optimization_passes): Moved from tree-optimize.c,
        adding the RTL optimizations.
        * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
        * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
        all_ipa_passes, all_lowering_passes, register_one_dump_file,
        register_dump_files, next_pass_1, last_verified, execute_todo,
        execute_one_pass, execute_pass_list, execute_ipa_pass_list,
        init_tree_optimization_passes, ipa_passes): Delete.
        * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
        the RTL dumps.
        (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
        dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
        from tree.h.
        (ipa_passes): Remove.
        (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
        * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
        dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
        dump_switch_p, dump_flag_name): Moved to tree-pass.h.
        (dump_info_p, dump_flag): Moved to tree-dump.h.

        * Makefile.in: Adjust dependencies for tree-pretty-print.c,
        cgraph.c, opts.c.
        * passes.c (finish_optimization_passes): Use dump_begin
        and dump_end, TDI_end.
        (gate_rest_of_compilation): New.
        (pass_rest_of_compilation): Use it.
        (gate_postreload, pass_postreload): New.
        * toplev.c (general_init): Rename init_tree_optimization_passes.
        * toplev.h (init_tree_optimization_passes): Rename to
        init_optimizations_passes.
        * tree-dump.c (dump_flag): Make static.
        (dump_files): Remove RTL dumps.
        * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
        pass_cleanup_cfg, pass_free_cfg_annotations,
        pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
        pass_init_datastructures, pass_fixup_cfg): Make non-static.
        * tree-pretty-print.c: Include tree-pass.h.
        * cgraph.c: Include tree-dump.h.

2005-07-04  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
        Only fall back to saying it points to readonly memory if
        we can't do better.

2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
        * config/m32r/m32r.c (m32r_compute_frame_size,
        m32r_expand_prologue): Take current_function_profile into
        account whenever we reference
        current_function_uses_pic_offset_table.
        (m32r_finalize_pic): Remove.
        * config/m32r/m32r.h (FINALIZE_PIC): Likewise.

2005-07-05  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
        instead of $<.  Don't remove ./as if it already exists.

2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/21723
        * pa.md: Remove fcpy alternative from movhi and movqi patterns.
        * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
        for complex modes when generating code for PA 1.0.
        (VALID_FP_MODE_P): New macro.
        (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
        sets for all general and floating point modes.  Align wide floating
        point modes to even register boundaries to comply with architectural
        requirements.
        (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
        * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
        (VALID_FP_MODE_P): New macro.
        (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
        sets for all general and floating point modes.  Align wide floating
        point modes to even register boundaries to comply with architectural
        requirements.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-dump.c (dump_files): Initialize dump number for .cgraph
        to 0.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-structalias.c: Don't include expr.h.

2005-07-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
        comments.

2005-07-04  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22279

        * tree-ssa-structalias.c (offset_overlaps_with_access): Use
        correct operator.

2005-07-04  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".

2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>

        * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
        cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
        config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
        config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
        config/stormy16/stormy16.c, config/v850/v850.c,
        config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
        except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
        Avoid "." or "\n" at end of diagnostics and capital letters at
        start of diagnostics.
        * combine.c, cse.c: Don't translate dump file output.
        * toplev.c (print_version): Only translate output if going to
        stderr.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * c-decl.c, tree-object-size.c, tree-vectorizer.c,
        config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
        typos.

2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (fix_range): Fix typo in comment.

2005-07-03  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (extract_range_from_assert): Replace
        fold (build (...)) with fold_build2.

2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
        gcc_gfc_char_table, init_dynamic_gfc_info): New.
        (format_types_orig, handle_format_attribute): Add support for
        format "gcc_gfc".

2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * varasm.c (assemble_variable): Fix format specifier thinko.

2005-07-03  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/22029 (and 22135)
        * tree-pretty-print.c (dump_generic_node): Check that the node is not
        a phi node before calling dump_vops.

2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * tree-dump.h (dump_string_field): Declare.
        * tree-dump.c: Use it instead of dump_string.
        (dump_string_field): Make non-static.

2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
        up the minimal CFG stuff always when optimize > 0.  Call
        split_all_insns_noflow in PIC case if needed.

2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
            Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>

        PR c++/18279
        * c-decl.c (c_write_global_declarations): Dump contents of
        external scope to.
        * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
        <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
        <GOTO_EXPR>, <SWITCH_EXPR>: Add.
        (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
        is enabled.

2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.h (GCC_DIAG_STYLE): Define.
        * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
        version for format checking to 4.1.
        * c-format.c: Include toplev.h after c-common.h.
        (enum format_type): Add gcc_tdiag_format_type.
        (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
        gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
        (format_types_orig): Add gcc_tdiag.
        (init_dynamic_diag_info): Support gcc_tdiag formats.
        (handle_format_attribute): Likewise.
        * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
        (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
        version for format checking to 4.1.
        (warning0, warning, error, pedwarn, sorry): Use
        ATTRIBUTE_GCC_DIAG.
        * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
        (finish_aliases_1): Do not use %qE.
        * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
        config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
        Correct format bugs.
        * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
        parameter to unsigned HOST_WIDE_INT.
        * config/v850/v850.c (v850_output_aligned_bss): Likewise.

2005-07-02  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/21742
        * expr.c (write_complex_part): Use adjust_address for MEM.
        (read_complex_part): Same.

2005-07-02  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22280

        * tree-sra.c (generate_element_init): Remove useless loop.

2005-07-02  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_legitimize_address): Check for
        TLS_MODEL_NONE.
        (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.

2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/14490
        * fold-const.c (fold_binary): Handle the return value of
        fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
        Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".

2005-07-02  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
        a eliminate type conversion which feeds an equality comparison
        if the original type or either operand in the comparison is a
        function pointer.

2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
        config/rs6000/rs6000.opt, params.def: Remove "." from end of help
        texts.
        * config/avr/avr.c: Do not use '`' as left quote.
        * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
        Remove "." from end of diagnostics.  Make diagnostics start with
        lowercase letter.

2005-07-02  Zack Weinberg  <zack@codesourcery.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * toplev.c (default_tree_printer): Handle setting location with
        '+' flag.
        * c-objc.common.c (c_tree_printer): Likewise.
        * c-format.c (gcc_diag_flag_specs): Add '+'.
        (gcc_cdiag_char_table): Allow '+' flag for tree formats.
        (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
        formats.
        * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
        config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
        config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
        config/v850/v850.c, function.c, stor-layout.c, toplev.c,
        tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
        instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
        of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
        format arguments where %J is used without %D.

2005-07-02  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (LINK_SSP_SPEC): Define.
        (link_ssp_spec): New variable.
        (LINK_COMMAND_SPEC): Add %(link_ssp).
        (static_specs): Add link_ssp_spec.
        * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
        * configure: Rebuilt.
        * config.in: Rebuilt.

        * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
        * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
        If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
        -0x7008(2) instead of reading __stack_chk_guard variable.
        * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
        number.
        (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
        (stack_protect_set, stack_protect_test): Use *_tls* patterns
        if TARGET_THREAD_SSP_OFFSET is defined.
        (stack_tls_protect_set_si, stack_tls_protect_set_di,
        stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.

        Revert:
        2005-06-27  Richard Henderson  <rth@redhat.com>
        * libgcc-std.ver (GCC_4.1.0): New.
        * libgcc.h (__stack_chk_guard): Declare.
        (__stack_chk_fail, __stack_chk_fail_local): Declare.
        * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
        * mklibgcc.in (lib2funcs): Add them.

2005-07-01  Richard Henderson  <rth@redhat.com>

        * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
        void * before struct sigcontext *.
        (x86_fallback_frame_state): Likewise.

2005-07-01  James E. Wilson  <wilson@specifixinc.com>

        * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22269
        * tree-ssa-reassoc.c (should_transpose): Fix which operand
        we check for SSA_NAME for.

2005-07-01  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22071

        * tree-ssa-structalias.c (offset_overlaps_with_access): New
        function.
        (get_constraint_for_component_ref): Use it.

2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR other/22264
        * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
        print out the last new line.

2005-07-01  Hans-Peter Nilsson  <hp@axis.se>

        * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
        Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
        * config/cris/cris.c (cris_conditional_register_usage): Adjust
        reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
        (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
        (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
        * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
        (enum reg_class): New member CC0_REGS.
        (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
        (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
        (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
        (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
        (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
        Adjust for register now described.

2005-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/22262
        * config/i386/i386.md (stack_protect_test_si,
        stack_protect_test_di): Add earlyclobber for scratch 3.
        * config/rs6000/rs6000.md (stack_protect_testsi,
        stack_protect_testdi): Add earlyclobber for scratch 3,
        remove earlyclobber from scratch 4.

Older entries for 2005 can be found in ChangeLog-2005.