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, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, 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 addp4_optimize_ok (rtx, rtx);
45 extern void ia64_emit_cond_move (rtx, rtx, rtx);
46 extern int ia64_depz_field_mask (rtx, rtx);
47 extern void ia64_split_tmode_move (rtx[]);
48 extern rtx spill_xfmode_operand (rtx, int);
49 extern rtx ia64_expand_compare (enum rtx_code, enum machine_mode);
50 extern void ia64_expand_vecint_cmov (rtx[]);
51 extern bool ia64_expand_vecint_minmax (enum rtx_code, enum machine_mode, rtx[]);
52 extern void ia64_expand_call (rtx, rtx, rtx, int);
53 extern void ia64_split_call (rtx, rtx, rtx, rtx, rtx, int, int);
54 extern void ia64_reload_gp (void);
55 extern void ia64_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx);
57 extern HOST_WIDE_INT ia64_initial_elimination_offset (int, int);
58 extern void ia64_expand_prologue (void);
59 extern void ia64_expand_epilogue (int);
61 extern int ia64_direct_return (void);
62 extern bool ia64_expand_load_address (rtx, rtx);
63 extern int ia64_hard_regno_rename_ok (int, int);
65 extern void ia64_initialize_trampoline (rtx, rtx, rtx);
66 extern void ia64_print_operand_address (FILE *, rtx);
67 extern void ia64_print_operand (FILE *, rtx, int);
68 extern enum reg_class ia64_preferred_reload_class (rtx, enum reg_class);
69 extern enum reg_class ia64_secondary_reload_class (enum reg_class,
70 enum machine_mode, rtx);
71 extern void process_for_unwind_directive (FILE *, rtx);
72 extern const char *get_bundle_name (int);
77 extern rtx ia64_function_arg (CUMULATIVE_ARGS *, enum machine_mode,
79 extern rtx ia64_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
80 extern rtx ia64_va_arg (tree, tree);
81 extern rtx ia64_function_value (tree, tree);
84 extern void ia64_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
86 extern int ia64_function_arg_boundary (enum machine_mode, tree);
87 extern void ia64_asm_output_external (FILE *, tree, const char *);
88 #endif /* TREE_CODE */
90 extern int ia64_register_move_cost (enum machine_mode, enum reg_class,
92 extern int ia64_epilogue_uses (int);
93 extern int ia64_eh_uses (int);
94 extern void emit_safe_across_calls (void);
95 extern void ia64_init_builtins (void);
96 extern void ia64_override_options (void);
97 extern int ia64_dbx_register_number (int);
99 extern rtx ia64_return_addr_rtx (HOST_WIDE_INT, rtx);
100 extern void ia64_split_return_addr_rtx (rtx);
102 #ifdef SDATA_SECTION_ASM_OP
103 extern void sdata_section (void);
106 #ifdef SBSS_SECTION_ASM_OP
107 extern void sbss_section (void);
111 /* expr.h defines ARGS_SIZE_RTX and `enum direction'. */
112 extern enum direction ia64_hpux_function_arg_padding (enum machine_mode, tree);
113 #endif /* ARGS_SIZE_RTX */
115 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader *);
116 extern void ia64_output_function_profiler (FILE *, int);
117 extern void ia64_profile_hook (int);