i386-protos.h revision 96263 
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
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING.  If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22/* Functions in i386.c */
23extern void override_options PARAMS ((void));
24extern void optimization_options PARAMS ((int, int));
25
26extern int ix86_can_use_return_insn_p PARAMS ((void));
27extern int ix86_frame_pointer_required PARAMS ((void));
28extern void ix86_setup_frame_addresses PARAMS ((void));
29
30extern void ix86_asm_file_end PARAMS ((FILE *));
31extern void load_pic_register PARAMS ((void));
32extern HOST_WIDE_INT ix86_initial_elimination_offset PARAMS((int, int));
33extern void ix86_expand_prologue PARAMS ((void));
34extern void ix86_expand_epilogue PARAMS ((int));
35
36extern void ix86_output_function_block_profiler PARAMS ((FILE *, int));
37extern void ix86_output_block_profiler PARAMS ((FILE *, int));
38
39extern void ix86_output_addr_vec_elt PARAMS ((FILE *, int));
40extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int));
41
42#ifdef RTX_CODE
43extern int ix86_aligned_p PARAMS ((rtx));
44
45extern int standard_80387_constant_p PARAMS ((rtx));
46extern int standard_sse_constant_p PARAMS ((rtx));
47extern int symbolic_reference_mentioned_p PARAMS ((rtx));
48
49extern int x86_64_general_operand PARAMS ((rtx, enum machine_mode));
50extern int x86_64_szext_general_operand PARAMS ((rtx, enum machine_mode));
51extern int x86_64_nonmemory_operand PARAMS ((rtx, enum machine_mode));
52extern int x86_64_szext_nonmemory_operand PARAMS ((rtx, enum machine_mode));
53extern int x86_64_immediate_operand PARAMS ((rtx, enum machine_mode));
54extern int x86_64_zext_immediate_operand PARAMS ((rtx, enum machine_mode));
55extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
56extern int symbolic_operand PARAMS ((rtx, enum machine_mode));
57extern int pic_symbolic_operand PARAMS ((rtx, enum machine_mode));
58extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
59extern int constant_call_address_operand PARAMS ((rtx, enum machine_mode));
60extern int const0_operand PARAMS ((rtx, enum machine_mode));
61extern int const1_operand PARAMS ((rtx, enum machine_mode));
62extern int const248_operand PARAMS ((rtx, enum machine_mode));
63extern int incdec_operand PARAMS ((rtx, enum machine_mode));
64extern int reg_no_sp_operand PARAMS ((rtx, enum machine_mode));
65extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode));
66extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode));
67extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode));
68extern int q_regs_operand PARAMS ((rtx, enum machine_mode));
69extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode));
70extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode));
71extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode));
72extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode));
73extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode));
74extern int ext_register_operand PARAMS ((rtx, enum machine_mode));
75extern int binary_fp_operator PARAMS ((rtx, enum machine_mode));
76extern int mult_operator PARAMS ((rtx, enum machine_mode));
77extern int div_operator PARAMS ((rtx, enum machine_mode));
78extern int arith_or_logical_operator PARAMS ((rtx, enum machine_mode));
79extern int promotable_binary_operator PARAMS ((rtx, enum machine_mode));
80extern int memory_displacement_operand PARAMS ((rtx, enum machine_mode));
81extern int cmpsi_operand PARAMS ((rtx, enum machine_mode));
82extern int long_memory_operand PARAMS ((rtx, enum machine_mode));
83extern int aligned_operand PARAMS ((rtx, enum machine_mode));
84extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx));
85
86extern int ix86_expand_movstr PARAMS ((rtx, rtx, rtx, rtx));
87extern int ix86_expand_clrstr PARAMS ((rtx, rtx, rtx));
88extern int ix86_expand_strlen PARAMS ((rtx, rtx, rtx, rtx));
89
90extern int legitimate_pic_address_disp_p PARAMS ((rtx));
91extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int));
92extern rtx legitimize_pic_address PARAMS ((rtx, rtx));
93extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
94
95extern void print_reg PARAMS ((rtx, int, FILE*));
96extern void print_operand PARAMS ((FILE*, rtx, int));
97extern void print_operand_address PARAMS ((FILE*, rtx));
98
99extern void split_di PARAMS ((rtx[], int, rtx[], rtx[]));
100extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[]));
101
102extern const char *output_387_binary_op PARAMS ((rtx, rtx*));
103extern const char *output_fix_trunc PARAMS ((rtx, rtx*));
104extern const char *output_fp_compare PARAMS ((rtx, rtx*, int, int));
105
106extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx));
107extern rtx i386_simplify_dwarf_addr PARAMS ((rtx));
108
109extern void ix86_expand_clear PARAMS ((rtx));
110extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[]));
111extern void ix86_expand_vector_move PARAMS ((enum machine_mode, rtx[]));
112extern void ix86_expand_binary_operator PARAMS ((enum rtx_code,
113					       enum machine_mode, rtx[]));
114extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
115					  rtx[]));
116extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode,
117					      rtx[]));
118extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
119					 rtx[]));
120extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
121extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *));
122extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
123extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
124extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
125extern int ix86_expand_int_movcc PARAMS ((rtx[]));
126extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
127extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
128extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
129extern void ix86_split_long_move PARAMS ((rtx[]));
130extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
131extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));
132extern void ix86_split_lshrdi PARAMS ((rtx *, rtx));
133extern int ix86_address_cost PARAMS ((rtx));
134extern rtx ix86_find_base_term PARAMS ((rtx));
135
136extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
137extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
138extern int ix86_attr_length_address_default PARAMS ((rtx));
139
140extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
141
142extern int x86_64_sign_extended_value PARAMS ((rtx));
143extern int x86_64_zero_extended_value PARAMS ((rtx));
144extern rtx ix86_libcall_value PARAMS ((enum machine_mode));
145extern bool ix86_function_value_regno_p PARAMS ((int));
146extern bool ix86_function_arg_regno_p PARAMS ((int));
147extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree));
148extern int ix86_return_in_memory PARAMS ((tree));
149extern void ix86_va_start PARAMS ((int, tree, rtx));
150extern rtx ix86_va_arg PARAMS ((tree, tree));
151extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
152						 enum machine_mode,
153						 tree, int *, int));
154
155extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx));
156extern void ix86_free_from_memory PARAMS ((enum machine_mode));
157extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx,
158					  rtx, rtx, rtx, rtx));
159extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
160extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class,
161					    enum reg_class));
162extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
163						 enum reg_class,
164						 enum machine_mode, int));
165extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
166							   enum reg_class));
167extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class,
168					  int));
169extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx));
170extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
171extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
172extern void x86_order_regs_for_local_alloc PARAMS ((void));
173
174
175#ifdef TREE_CODE
176extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx));
177extern rtx function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
178extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode,
179					tree, int));
180extern rtx ix86_function_value PARAMS ((tree));
181extern void ix86_init_builtins PARAMS ((void));
182extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
183#endif
184
185#endif
186
187#ifdef TREE_CODE
188extern int ix86_return_pops_args PARAMS ((tree, tree, int));
189extern tree ix86_build_va_list PARAMS ((void));
190
191extern int ix86_data_alignment PARAMS ((tree, int));
192extern int ix86_local_alignment PARAMS ((tree, int));
193extern int ix86_constant_alignment PARAMS ((tree, int));
194extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *));
195extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *));
196
197extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
198							int));
199extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
200#endif
201