1 /* Definitions of target machine for GNU compiler for IA-64.
2 Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2007
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 3, 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 COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 /* Variables defined in ia64.c. */
24 extern GTY(()) rtx ia64_compare_op0;
25 extern GTY(()) rtx ia64_compare_op1;
28 /* Functions defined in ia64.c */
30 extern int bundling_p;
32 extern int ia64_st_address_bypass_p (rtx, rtx);
33 extern int ia64_ld_address_bypass_p (rtx, rtx);
34 extern int ia64_produce_address_p (rtx);
36 extern bool ia64_legitimate_constant_p (rtx);
38 extern rtx ia64_expand_move (rtx, rtx);
39 extern int ia64_move_ok (rtx, rtx);
40 extern int ia64_load_pair_ok (rtx, rtx);
41 extern int addp4_optimize_ok (rtx, rtx);
42 extern void ia64_emit_cond_move (rtx, rtx, rtx);
43 extern int ia64_depz_field_mask (rtx, rtx);
44 extern void ia64_split_tmode_move (rtx[]);
45 extern bool ia64_expand_movxf_movrf (enum machine_mode, rtx[]);
46 extern rtx ia64_expand_compare (enum rtx_code, enum machine_mode);
47 extern void ia64_expand_vecint_cmov (rtx[]);
48 extern bool ia64_expand_vecint_minmax (enum rtx_code, enum machine_mode, rtx[]);
49 extern void ia64_expand_widen_sum (rtx[], bool);
50 extern void ia64_expand_dot_prod_v8qi (rtx[], bool);
51 extern void ia64_expand_call (rtx, rtx, rtx, int);
52 extern void ia64_split_call (rtx, rtx, rtx, rtx, rtx, int, int);
53 extern void ia64_reload_gp (void);
54 extern void ia64_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx);
56 extern HOST_WIDE_INT ia64_initial_elimination_offset (int, int);
57 extern void ia64_expand_prologue (void);
58 extern void ia64_expand_epilogue (int);
60 extern int ia64_direct_return (void);
61 extern bool ia64_expand_load_address (rtx, rtx);
62 extern int ia64_hard_regno_rename_ok (int, int);
64 extern void ia64_initialize_trampoline (rtx, rtx, rtx);
65 extern void ia64_print_operand_address (FILE *, rtx);
66 extern void ia64_print_operand (FILE *, rtx, int);
67 extern enum reg_class ia64_preferred_reload_class (rtx, enum reg_class);
68 extern enum reg_class ia64_secondary_reload_class (enum reg_class,
69 enum machine_mode, rtx);
70 extern void process_for_unwind_directive (FILE *, rtx);
71 extern const char *get_bundle_name (int);
76 extern rtx ia64_function_arg (CUMULATIVE_ARGS *, enum machine_mode,
78 extern rtx ia64_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
79 extern rtx ia64_va_arg (tree, tree);
80 extern rtx ia64_function_value (const_tree, const_tree);
83 extern void ia64_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
85 extern int ia64_function_arg_boundary (enum machine_mode, tree);
86 extern void ia64_asm_output_external (FILE *, tree, const char *);
87 #endif /* TREE_CODE */
89 extern int ia64_register_move_cost (enum machine_mode, enum reg_class,
91 extern int ia64_epilogue_uses (int);
92 extern int ia64_eh_uses (int);
93 extern void emit_safe_across_calls (void);
94 extern void ia64_init_builtins (void);
95 extern void ia64_override_options (void);
96 extern int ia64_dbx_register_number (int);
98 extern rtx ia64_return_addr_rtx (HOST_WIDE_INT, rtx);
99 extern void ia64_split_return_addr_rtx (rtx);
102 /* expr.h defines ARGS_SIZE_RTX and `enum direction'. */
103 extern enum direction ia64_hpux_function_arg_padding (enum machine_mode, const_tree);
104 #endif /* ARGS_SIZE_RTX */
106 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader *);
107 extern void ia64_output_function_profiler (FILE *, int);
108 extern void ia64_profile_hook (int);
110 extern void ia64_optimization_options (int, int);
111 extern void ia64_init_expanders (void);