1 /* Definitions of target machine for GNU compiler for IA-64.
2 Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
22 /* Variables defined in ia64.c. */
25 extern GTY(()) rtx ia64_compare_op0
;
26 extern GTY(()) rtx ia64_compare_op1
;
29 /* Functions defined in ia64.c */
31 extern int bundling_p
;
33 extern int ia64_st_address_bypass_p (rtx
, rtx
);
34 extern int ia64_ld_address_bypass_p (rtx
, rtx
);
35 extern int ia64_produce_address_p (rtx
);
37 extern bool ia64_const_ok_for_letter_p (HOST_WIDE_INT
, char);
38 extern bool ia64_const_double_ok_for_letter_p (rtx
, char);
39 extern bool ia64_extra_constraint (rtx
, char);
40 extern bool ia64_legitimate_constant_p (rtx
);
42 extern rtx
ia64_expand_move (rtx
, rtx
);
43 extern int ia64_move_ok (rtx
, rtx
);
44 extern int ia64_load_pair_ok (rtx
, rtx
);
45 extern int addp4_optimize_ok (rtx
, rtx
);
46 extern void ia64_emit_cond_move (rtx
, rtx
, rtx
);
47 extern int ia64_depz_field_mask (rtx
, rtx
);
48 extern void ia64_split_tmode_move (rtx
[]);
49 extern bool ia64_expand_movxf_movrf (enum machine_mode
, rtx
[]);
50 extern rtx
ia64_expand_compare (enum rtx_code
, enum machine_mode
);
51 extern void ia64_expand_vecint_cmov (rtx
[]);
52 extern bool ia64_expand_vecint_minmax (enum rtx_code
, enum machine_mode
, rtx
[]);
53 extern void ia64_expand_widen_sum (rtx
[], bool);
54 extern void ia64_expand_dot_prod_v8qi (rtx
[], bool);
55 extern void ia64_expand_call (rtx
, rtx
, rtx
, int);
56 extern void ia64_split_call (rtx
, rtx
, rtx
, rtx
, rtx
, int, int);
57 extern void ia64_reload_gp (void);
58 extern void ia64_expand_atomic_op (enum rtx_code
, rtx
, rtx
, rtx
, rtx
);
60 extern HOST_WIDE_INT
ia64_initial_elimination_offset (int, int);
61 extern void ia64_expand_prologue (void);
62 extern void ia64_expand_epilogue (int);
64 extern int ia64_direct_return (void);
65 extern bool ia64_expand_load_address (rtx
, rtx
);
66 extern int ia64_hard_regno_rename_ok (int, int);
68 extern void ia64_initialize_trampoline (rtx
, rtx
, rtx
);
69 extern void ia64_print_operand_address (FILE *, rtx
);
70 extern void ia64_print_operand (FILE *, rtx
, int);
71 extern enum reg_class
ia64_preferred_reload_class (rtx
, enum reg_class
);
72 extern enum reg_class
ia64_secondary_reload_class (enum reg_class
,
73 enum machine_mode
, rtx
);
74 extern void process_for_unwind_directive (FILE *, rtx
);
75 extern const char *get_bundle_name (int);
80 extern rtx
ia64_function_arg (CUMULATIVE_ARGS
*, enum machine_mode
,
82 extern rtx
ia64_expand_builtin (tree
, rtx
, rtx
, enum machine_mode
, int);
83 extern rtx
ia64_va_arg (tree
, tree
);
84 extern rtx
ia64_function_value (tree
, tree
);
87 extern void ia64_function_arg_advance (CUMULATIVE_ARGS
*, enum machine_mode
,
89 extern int ia64_function_arg_boundary (enum machine_mode
, tree
);
90 extern void ia64_asm_output_external (FILE *, tree
, const char *);
91 #endif /* TREE_CODE */
93 extern int ia64_register_move_cost (enum machine_mode
, enum reg_class
,
95 extern int ia64_epilogue_uses (int);
96 extern int ia64_eh_uses (int);
97 extern void emit_safe_across_calls (void);
98 extern void ia64_init_builtins (void);
99 extern void ia64_override_options (void);
100 extern int ia64_dbx_register_number (int);
102 extern rtx
ia64_return_addr_rtx (HOST_WIDE_INT
, rtx
);
103 extern void ia64_split_return_addr_rtx (rtx
);
105 #ifdef SDATA_SECTION_ASM_OP
106 extern void sdata_section (void);
109 #ifdef SBSS_SECTION_ASM_OP
110 extern void sbss_section (void);
114 /* expr.h defines ARGS_SIZE_RTX and `enum direction'. */
115 extern enum direction
ia64_hpux_function_arg_padding (enum machine_mode
, tree
);
116 #endif /* ARGS_SIZE_RTX */
118 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader
*);
119 extern void ia64_output_function_profiler (FILE *, int);
120 extern void ia64_profile_hook (int);