1 /* Definitions of target machine for GNU compiler for IA-64.
2 Copyright (C) 1999, 2000, 2002, 2003, 2004
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
);
36 extern int call_operand (rtx
, enum machine_mode
);
37 extern int sdata_symbolic_operand (rtx
, enum machine_mode
);
38 extern int got_symbolic_operand (rtx
, enum machine_mode
);
39 extern int symbolic_operand (rtx
, enum machine_mode
);
40 extern int tls_symbolic_operand (rtx
, enum machine_mode
);
41 extern int function_operand (rtx
, enum machine_mode
);
42 extern int setjmp_operand (rtx
, enum machine_mode
);
43 extern int move_operand (rtx
, enum machine_mode
);
44 extern int gr_register_operand (rtx
, enum machine_mode
);
45 extern int fr_register_operand (rtx
, enum machine_mode
);
46 extern int grfr_register_operand (rtx
, enum machine_mode
);
47 extern int gr_nonimmediate_operand (rtx
, enum machine_mode
);
48 extern int fr_nonimmediate_operand (rtx
, enum machine_mode
);
49 extern int grfr_nonimmediate_operand (rtx
, enum machine_mode
);
50 extern int gr_reg_or_0_operand (rtx
, enum machine_mode
);
51 extern int gr_reg_or_5bit_operand (rtx
, enum machine_mode
);
52 extern int gr_reg_or_6bit_operand (rtx
, enum machine_mode
);
53 extern int gr_reg_or_8bit_operand (rtx
, enum machine_mode
);
54 extern int grfr_reg_or_8bit_operand (rtx
, enum machine_mode
);
55 extern int gr_reg_or_8bit_adjusted_operand (rtx
, enum machine_mode
);
56 extern int gr_reg_or_8bit_and_adjusted_operand (rtx
, enum machine_mode
);
57 extern int gr_reg_or_14bit_operand (rtx
, enum machine_mode
);
58 extern int gr_reg_or_22bit_operand (rtx
, enum machine_mode
);
59 extern int shift_count_operand (rtx
, enum machine_mode
);
60 extern int shift_32bit_count_operand (rtx
, enum machine_mode
);
61 extern int shladd_operand (rtx
, enum machine_mode
);
62 extern int fetchadd_operand (rtx
, enum machine_mode
);
63 extern int fr_reg_or_fp01_operand (rtx
, enum machine_mode
);
64 extern int normal_comparison_operator (rtx
, enum machine_mode
);
65 extern int adjusted_comparison_operator (rtx
, enum machine_mode
);
66 extern int signed_inequality_operator (rtx
, enum machine_mode
);
67 extern int destination_operand (rtx
, enum machine_mode
);
68 extern int not_postinc_memory_operand (rtx
, enum machine_mode
);
69 extern int predicate_operator (rtx
, enum machine_mode
);
70 extern int ar_lc_reg_operand (rtx
, enum machine_mode
);
71 extern int ar_ccv_reg_operand (rtx
, enum machine_mode
);
72 extern int ar_pfs_reg_operand (rtx
, enum machine_mode
);
73 extern int general_xfmode_operand (rtx
, enum machine_mode
);
74 extern int destination_xfmode_operand (rtx
, enum machine_mode
);
75 extern int xfreg_or_fp01_operand (rtx
, enum machine_mode
);
76 extern int basereg_operand (rtx
, enum machine_mode
);
78 extern rtx
ia64_expand_move (rtx
, rtx
);
79 extern int ia64_move_ok (rtx
, rtx
);
80 extern int addp4_optimize_ok (rtx
, rtx
);
81 extern void ia64_emit_cond_move (rtx
, rtx
, rtx
);
82 extern int ia64_depz_field_mask (rtx
, rtx
);
83 extern void ia64_split_tmode_move (rtx
[]);
84 extern rtx
spill_xfmode_operand (rtx
, int);
85 extern rtx
ia64_expand_compare (enum rtx_code
, enum machine_mode
);
86 extern void ia64_expand_call (rtx
, rtx
, rtx
, int);
87 extern void ia64_split_call (rtx
, rtx
, rtx
, rtx
, rtx
, int, int);
88 extern void ia64_reload_gp (void);
90 extern HOST_WIDE_INT
ia64_initial_elimination_offset (int, int);
91 extern void ia64_expand_prologue (void);
92 extern void ia64_expand_epilogue (int);
94 extern int ia64_direct_return (void);
95 extern void ia64_expand_load_address (rtx
, rtx
);
96 extern int ia64_hard_regno_rename_ok (int, int);
98 extern void ia64_initialize_trampoline (rtx
, rtx
, rtx
);
99 extern void ia64_print_operand_address (FILE *, rtx
);
100 extern void ia64_print_operand (FILE *, rtx
, int);
101 extern enum reg_class
ia64_secondary_reload_class (enum reg_class
,
102 enum machine_mode
, rtx
);
103 extern void ia64_output_dwarf_dtprel (FILE*, int, rtx
);
104 extern void process_for_unwind_directive (FILE *, rtx
);
105 extern const char *get_bundle_name (int);
106 #endif /* RTX_CODE */
110 extern rtx
ia64_function_arg (CUMULATIVE_ARGS
*, enum machine_mode
,
112 extern rtx
ia64_expand_builtin (tree
, rtx
, rtx
, enum machine_mode
, int);
113 extern rtx
ia64_va_arg (tree
, tree
);
114 extern rtx
ia64_function_value (tree
, tree
);
115 #endif /* RTX_CODE */
117 extern int ia64_function_arg_partial_nregs (CUMULATIVE_ARGS
*,
118 enum machine_mode
, tree
, int);
119 extern void ia64_function_arg_advance (CUMULATIVE_ARGS
*, enum machine_mode
,
121 extern void ia64_asm_output_external (FILE *, tree
, const char *);
122 #endif /* TREE_CODE */
124 extern int ia64_register_move_cost (enum machine_mode
, enum reg_class
,
126 extern int ia64_epilogue_uses (int);
127 extern int ia64_eh_uses (int);
128 extern void emit_safe_across_calls (void);
129 extern void ia64_init_builtins (void);
130 extern void ia64_override_options (void);
131 extern int ia64_dbx_register_number (int);
133 extern rtx
ia64_return_addr_rtx (HOST_WIDE_INT
, rtx
);
134 extern void ia64_split_return_addr_rtx (rtx
);
136 #ifdef SDATA_SECTION_ASM_OP
137 extern void sdata_section (void);
140 #ifdef SBSS_SECTION_ASM_OP
141 extern void sbss_section (void);
145 /* expr.h defines ARGS_SIZE_RTX and `enum direction'. */
146 extern enum direction
ia64_hpux_function_arg_padding (enum machine_mode
, tree
);
147 #endif /* ARGS_SIZE_RTX */
149 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader
*);