gnu/dist/gcc4/gcc/config/sh/sh-protos.h

   1 /* Definitions of target machine for GNU compiler for Renesas / SuperH SH.
   2    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2003,
   3    2004, 2005, 2006
   4    Free Software Foundation, Inc.
   5    Contributed by Steve Chamberlain (sac@cygnus.com).
   6    Improved by Jim Wilson (wilson@cygnus.com).
   7
   8 This file is part of GCC.
   9
  10 GCC is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2, or (at your option)
  13 any later version.
  14
  15 GCC is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with GCC; see the file COPYING.  If not, write to
  22 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  23 Boston, MA 02110-1301, USA.  */
  24
  25 #ifndef GCC_SH_PROTOS_H
  26 #define GCC_SH_PROTOS_H
  27
  28 enum sh_function_kind {
  29   /* A function with normal C ABI  */
  30   FUNCTION_ORDINARY,
  31   /* A special function that guarantees that some otherwise call-clobbered
  32      registers are not clobbered.  These can't go through the SH5 resolver,
  33      because it only saves argument passing registers.  */
  34   SFUNC_GOT,
  35   /* A special function that should be linked statically.  These are typically
  36      smaller or not much larger than a PLT entry.
  37      Some also have a non-standard ABI which precludes dynamic linking.  */
  38   SFUNC_STATIC
  39 };
  40
  41 #ifdef RTX_CODE
  42 extern rtx sh_fsca_sf2int (void);
  43 extern rtx sh_fsca_df2int (void);
  44 extern rtx sh_fsca_int2sf (void);
  45 extern struct rtx_def *prepare_scc_operands (enum rtx_code);
  46
  47 /* Declare functions defined in sh.c and used in templates.  */
  48
  49 extern const char *output_branch (int, rtx, rtx *);
  50 extern const char *output_ieee_ccmpeq (rtx, rtx *);
  51 extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *);
  52 extern const char *output_movedouble (rtx, rtx[], enum machine_mode);
  53 extern const char *output_movepcrel (rtx, rtx[], enum machine_mode);
  54 extern const char *output_far_jump (rtx, rtx);
  55
  56 extern struct rtx_def *sfunc_uses_reg (rtx);
  57 extern int barrier_align (rtx);
  58 extern int sh_loop_align (rtx);
  59 extern int fp_zero_operand (rtx);
  60 extern int fp_one_operand (rtx);
  61 extern int fp_int_operand (rtx);
  62 extern rtx get_fpscr_rtx (void);
  63 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
  64 extern int nonpic_symbol_mentioned_p (rtx);
  65 extern void emit_sf_insn (rtx);
  66 extern void emit_df_insn (rtx);
  67 extern void print_operand_address (FILE *, rtx);
  68 extern void print_operand (FILE *, rtx, int);
  69 extern void output_pic_addr_const (FILE *, rtx);
  70 extern int expand_block_move (rtx *);
  71 extern int prepare_move_operands (rtx[], enum machine_mode mode);
  72 extern void from_compare (rtx *, int);
  73 extern int shift_insns_rtx (rtx);
  74 extern void gen_ashift (int, int, rtx);
  75 extern void gen_ashift_hi (int, int, rtx);
  76 extern void gen_shifty_op (int, rtx *);
  77 extern void gen_shifty_hi_op (int, rtx *);
  78 extern int expand_ashiftrt (rtx *);
  79 extern int sh_dynamicalize_shift_p (rtx);
  80 extern int shl_and_kind (rtx, rtx, int *);
  81 extern int shl_and_length (rtx);
  82 extern int shl_and_scr_length (rtx);
  83 extern int gen_shl_and (rtx, rtx, rtx, rtx);
  84 extern int shl_sext_kind (rtx, rtx, int *);
  85 extern int shl_sext_length (rtx);
  86 extern int gen_shl_sext (rtx, rtx, rtx, rtx);
  87 extern rtx gen_datalabel_ref (rtx);
  88 extern int regs_used (rtx, int);
  89 extern void fixup_addr_diff_vecs (rtx);
  90 extern int get_dest_uid (rtx, int);
  91 extern void final_prescan_insn (rtx, rtx *, int);
  92 extern int symbol_ref_operand (rtx, enum machine_mode);
  93 extern int tls_symbolic_operand (rtx, enum machine_mode);
  94 extern int system_reg_operand (rtx, enum machine_mode);
  95 extern int general_movsrc_operand (rtx, enum machine_mode);
  96 extern int general_movdst_operand (rtx, enum machine_mode);
  97 extern int arith_reg_operand (rtx, enum machine_mode);
  98 extern int fp_arith_reg_operand (rtx, enum machine_mode);
  99 extern int arith_operand (rtx, enum machine_mode);
 100 extern int arith_reg_or_0_operand (rtx, enum machine_mode);
 101 extern int logical_operand (rtx, enum machine_mode);
 102 extern int tertiary_reload_operand (rtx, enum machine_mode);
 103 extern int fpscr_operand (rtx, enum machine_mode);
 104 extern int fpul_operand (rtx, enum machine_mode);
 105 extern int commutative_float_operator (rtx, enum machine_mode);
 106 extern int noncommutative_float_operator (rtx, enum machine_mode);
 107 extern int reg_unused_after (rtx, rtx);
 108 extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *);
 109 extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
 110 extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *);
 111 extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
 112 extern void expand_fp_branch (rtx (*)(void), rtx (*)(void));
 113 extern int sh_insn_length_adjustment (rtx);
 114 extern int sh_can_redirect_branch (rtx, rtx);
 115 extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx);
 116 extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx);
 117 extern int sh_expand_t_scc (enum rtx_code code, rtx target);
 118 extern rtx sh_gen_truncate (enum machine_mode, rtx, int);
 119 extern bool sh_vector_mode_supported_p (enum machine_mode);
 120 #ifdef TREE_CODE
 121 extern void sh_va_start (tree, rtx);
 122 #endif /* TREE_CODE */
 123 #endif /* RTX_CODE */
 124
 125 extern const char *output_jump_label_table (void);
 126 extern int sh_handle_pragma (int (*)(void), void (*)(int), const char *);
 127 extern struct rtx_def *get_fpscr_rtx (void);
 128 extern int sh_media_register_for_return (void);
 129 extern void sh_expand_prologue (void);
 130 extern void sh_expand_epilogue (bool);
 131 extern int sh_need_epilogue (void);
 132 extern void sh_set_return_address (rtx, rtx);
 133 extern int initial_elimination_offset (int, int);
 134 extern int fldi_ok (void);
 135 extern int sh_hard_regno_rename_ok (unsigned int, unsigned int);
 136 extern int sh_cfun_interrupt_handler_p (void);
 137 extern int sh_attr_renesas_p (tree);
 138 extern int sh_cfun_attr_renesas_p (void);
 139 extern void sh_initialize_trampoline (rtx, rtx, rtx);
 140 extern bool sh_cannot_change_mode_class
 141               (enum machine_mode, enum machine_mode, enum reg_class);
 142 extern void sh_mark_label (rtx, int);
 143 extern int sh_register_move_cost
 144   (enum machine_mode mode, enum reg_class, enum reg_class);
 145 extern int check_use_sfunc_addr (rtx, rtx);
 146
 147 #ifdef HARD_CONST
 148 extern void fpscr_set_from_mem (int, HARD_REG_SET);
 149 #endif
 150
 151 extern void sh_pr_interrupt (struct cpp_reader *);
 152 extern void sh_pr_trapa (struct cpp_reader *);
 153 extern void sh_pr_nosave_low_regs (struct cpp_reader *);
 154 extern rtx function_symbol (rtx, const char *, enum sh_function_kind);
 155 extern rtx sh_get_pr_initial_val (void);
 156
 157 extern rtx sh_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
 158 extern void sh_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
 159 extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree);
 160 extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode);
 161 extern bool sh_promote_prototypes (tree);
 162
 163 extern rtx replace_n_hard_rtx (rtx, rtx *, int , int);
 164 extern int shmedia_cleanup_truncate (rtx *, void *);
 165
 166 extern int sh_contains_memref_p (rtx);
 167 extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall);
 168
 169 extern bool sh_cfun_trap_exit_p (void);
 170
 171
 172 #endif /* ! GCC_SH_PROTOS_H */
 173
 174 #ifdef SYMBIAN
 175 extern bool         sh_symbian_dllimport_name_p       (const char *);
 176 extern const char * sh_symbian_strip_name_encoding    (const char *);
 177 extern bool         sh_symbian_dllexport_name_p       (const char *);
 178 extern int          symbian_import_export_class       (tree, int);
 179 #ifdef TREE_CODE
 180 extern bool         sh_symbian_dllexport_p            (tree);
 181 extern tree         sh_symbian_handle_dll_attribute   (tree *, tree, tree, int, bool *);
 182 #ifdef RTX_CODE
 183 extern void         sh_symbian_encode_section_info    (tree, rtx, int);
 184 #endif
 185 #endif
 186 #endif /* SYMBIAN */