21babe91c2d198410398e7eee64f197dffb39e41
[gcc.git] / gcc / config / i386 / i386-protos.h
1 /* Definitions of target machine for GNU compiler for IA-32.
2 Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
3 2000, 2001 Free Software Foundation, Inc.
4
5 This file is part of GNU CC.
6
7 GNU CC 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)
10 any later version.
11
12 GNU CC 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.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
21
22 /* Functions in i386.c */
23 extern void override_options PARAMS ((void));
24 extern void optimization_options PARAMS ((int, int));
25
26 extern int ix86_can_use_return_insn_p PARAMS ((void));
27 extern int ix86_frame_pointer_required PARAMS ((void));
28 extern void ix86_setup_frame_addresses PARAMS ((void));
29
30 extern void ix86_asm_file_end PARAMS ((FILE *));
31 extern HOST_WIDE_INT ix86_initial_elimination_offset PARAMS((int, int));
32 extern void ix86_expand_prologue PARAMS ((void));
33 extern void ix86_expand_epilogue PARAMS ((int));
34
35 extern void ix86_output_addr_vec_elt PARAMS ((FILE *, int));
36 extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int));
37
38 #ifdef RTX_CODE
39 extern int ix86_aligned_p PARAMS ((rtx));
40
41 extern int standard_80387_constant_p PARAMS ((rtx));
42 extern int standard_sse_constant_p PARAMS ((rtx));
43 extern int symbolic_reference_mentioned_p PARAMS ((rtx));
44
45 extern int x86_64_general_operand PARAMS ((rtx, enum machine_mode));
46 extern int x86_64_szext_general_operand PARAMS ((rtx, enum machine_mode));
47 extern int x86_64_nonmemory_operand PARAMS ((rtx, enum machine_mode));
48 extern int x86_64_szext_nonmemory_operand PARAMS ((rtx, enum machine_mode));
49 extern int x86_64_immediate_operand PARAMS ((rtx, enum machine_mode));
50 extern int x86_64_zext_immediate_operand PARAMS ((rtx, enum machine_mode));
51 extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
52 extern int symbolic_operand PARAMS ((rtx, enum machine_mode));
53 extern int pic_symbolic_operand PARAMS ((rtx, enum machine_mode));
54 extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
55 extern int constant_call_address_operand PARAMS ((rtx, enum machine_mode));
56 extern int const0_operand PARAMS ((rtx, enum machine_mode));
57 extern int const1_operand PARAMS ((rtx, enum machine_mode));
58 extern int const248_operand PARAMS ((rtx, enum machine_mode));
59 extern int incdec_operand PARAMS ((rtx, enum machine_mode));
60 extern int reg_no_sp_operand PARAMS ((rtx, enum machine_mode));
61 extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode));
62 extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode));
63 extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode));
64 extern int q_regs_operand PARAMS ((rtx, enum machine_mode));
65 extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode));
66 extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode));
67 extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode));
68 extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode));
69 extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode));
70 extern int ext_register_operand PARAMS ((rtx, enum machine_mode));
71 extern int binary_fp_operator PARAMS ((rtx, enum machine_mode));
72 extern int mult_operator PARAMS ((rtx, enum machine_mode));
73 extern int div_operator PARAMS ((rtx, enum machine_mode));
74 extern int arith_or_logical_operator PARAMS ((rtx, enum machine_mode));
75 extern int promotable_binary_operator PARAMS ((rtx, enum machine_mode));
76 extern int memory_displacement_operand PARAMS ((rtx, enum machine_mode));
77 extern int cmpsi_operand PARAMS ((rtx, enum machine_mode));
78 extern int long_memory_operand PARAMS ((rtx, enum machine_mode));
79 extern int aligned_operand PARAMS ((rtx, enum machine_mode));
80 extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx));
81
82 extern int ix86_expand_movstr PARAMS ((rtx, rtx, rtx, rtx));
83 extern int ix86_expand_clrstr PARAMS ((rtx, rtx, rtx));
84 extern int ix86_expand_strlen PARAMS ((rtx, rtx, rtx, rtx));
85
86 extern int legitimate_pic_address_disp_p PARAMS ((rtx));
87 extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int));
88 extern rtx legitimize_pic_address PARAMS ((rtx, rtx));
89 extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
90
91 extern void print_reg PARAMS ((rtx, int, FILE*));
92 extern void print_operand PARAMS ((FILE*, rtx, int));
93 extern void print_operand_address PARAMS ((FILE*, rtx));
94
95 extern void split_di PARAMS ((rtx[], int, rtx[], rtx[]));
96 extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[]));
97
98 extern const char *output_set_got PARAMS ((rtx));
99 extern const char *output_387_binary_op PARAMS ((rtx, rtx*));
100 extern const char *output_fix_trunc PARAMS ((rtx, rtx*));
101 extern const char *output_fp_compare PARAMS ((rtx, rtx*, int, int));
102
103 extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx));
104 extern rtx i386_simplify_dwarf_addr PARAMS ((rtx));
105
106 extern void ix86_expand_clear PARAMS ((rtx));
107 extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[]));
108 extern void ix86_expand_vector_move PARAMS ((enum machine_mode, rtx[]));
109 extern void ix86_expand_binary_operator PARAMS ((enum rtx_code,
110 enum machine_mode, rtx[]));
111 extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
112 rtx[]));
113 extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode,
114 rtx[]));
115 extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
116 rtx[]));
117 extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
118 extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *));
119 extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
120 extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
121 extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
122 extern int ix86_expand_int_movcc PARAMS ((rtx[]));
123 extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
124 extern void ix86_expand_call PARAMS ((rtx, rtx, rtx, rtx, rtx));
125 extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
126 extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
127 extern void ix86_split_long_move PARAMS ((rtx[]));
128 extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
129 extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));
130 extern void ix86_split_lshrdi PARAMS ((rtx *, rtx));
131 extern int ix86_address_cost PARAMS ((rtx));
132 extern rtx ix86_find_base_term PARAMS ((rtx));
133
134 extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
135 extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
136 extern int ix86_attr_length_address_default PARAMS ((rtx));
137
138 extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
139
140 extern int x86_64_sign_extended_value PARAMS ((rtx));
141 extern int x86_64_zero_extended_value PARAMS ((rtx));
142 extern rtx ix86_libcall_value PARAMS ((enum machine_mode));
143 extern bool ix86_function_value_regno_p PARAMS ((int));
144 extern bool ix86_function_arg_regno_p PARAMS ((int));
145 extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree));
146 extern int ix86_return_in_memory PARAMS ((tree));
147 extern void ix86_va_start PARAMS ((int, tree, rtx));
148 extern rtx ix86_va_arg PARAMS ((tree, tree));
149 extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
150 enum machine_mode,
151 tree, int *, int));
152
153 extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx));
154 extern void ix86_free_from_memory PARAMS ((enum machine_mode));
155 extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx,
156 rtx, rtx, rtx, rtx));
157 extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
158 extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class,
159 enum reg_class));
160 extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
161 enum reg_class,
162 enum machine_mode, int));
163 extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
164 enum reg_class));
165 extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class,
166 int));
167 extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx));
168 extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
169 extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
170 extern void x86_order_regs_for_local_alloc PARAMS ((void));
171
172
173 #ifdef TREE_CODE
174 extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx));
175 extern rtx function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
176 extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode,
177 tree, int));
178 extern rtx ix86_function_value PARAMS ((tree));
179 extern void ix86_init_builtins PARAMS ((void));
180 extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
181 #endif
182
183 #endif
184
185 #ifdef TREE_CODE
186 extern int ix86_return_pops_args PARAMS ((tree, tree, int));
187 extern tree ix86_build_va_list PARAMS ((void));
188
189 extern int ix86_data_alignment PARAMS ((tree, int));
190 extern int ix86_local_alignment PARAMS ((tree, int));
191 extern int ix86_constant_alignment PARAMS ((tree, int));
192 extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *));
193 extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *));
194
195 extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
196 int));
197 extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
198 extern void x86_output_mi_thunk PARAMS ((FILE *, int, tree));
199 #endif
200
201 /* In winnt.c */
202 extern void i386_pe_encode_section_info PARAMS ((tree, int));
203 extern const char *i386_pe_strip_name_encoding PARAMS ((const char *));
204 extern const char *i386_pe_strip_name_encoding_full PARAMS ((const char *));