i386-protos.h revision 117395 
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 HOST_WIDE_INT ix86_initial_elimination_offset PARAMS((int, int));
32extern void ix86_expand_prologue PARAMS ((void));
33extern void ix86_expand_epilogue PARAMS ((int));
34
35extern void ix86_output_addr_vec_elt PARAMS ((FILE *, int));
36extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int));
37
38#ifdef RTX_CODE
39extern int ix86_aligned_p PARAMS ((rtx));
40
41extern int standard_80387_constant_p PARAMS ((rtx));
42extern int standard_sse_constant_p PARAMS ((rtx));
43extern int symbolic_reference_mentioned_p PARAMS ((rtx));
44
45extern int any_fp_register_operand PARAMS ((rtx, enum machine_mode));
46extern int register_and_not_any_fp_reg_operand PARAMS ((rtx, enum machine_mode));
47
48extern int fp_register_operand PARAMS ((rtx, enum machine_mode));
49extern int register_and_not_fp_reg_operand PARAMS ((rtx, enum machine_mode));
50
51extern int x86_64_general_operand PARAMS ((rtx, enum machine_mode));
52extern int x86_64_szext_general_operand PARAMS ((rtx, enum machine_mode));
53extern int x86_64_nonmemory_operand PARAMS ((rtx, enum machine_mode));
54extern int x86_64_szext_nonmemory_operand PARAMS ((rtx, enum machine_mode));
55extern int x86_64_immediate_operand PARAMS ((rtx, enum machine_mode));
56extern int x86_64_zext_immediate_operand PARAMS ((rtx, enum machine_mode));
57extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
58extern int symbolic_operand PARAMS ((rtx, enum machine_mode));
59extern int tls_symbolic_operand PARAMS ((rtx, enum machine_mode));
60extern int global_dynamic_symbolic_operand PARAMS ((rtx, enum machine_mode));
61extern int local_dynamic_symbolic_operand PARAMS ((rtx, enum machine_mode));
62extern int initial_exec_symbolic_operand PARAMS ((rtx, enum machine_mode));
63extern int local_exec_symbolic_operand PARAMS ((rtx, enum machine_mode));
64extern int pic_symbolic_operand PARAMS ((rtx, enum machine_mode));
65extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
66extern int constant_call_address_operand PARAMS ((rtx, enum machine_mode));
67extern int const0_operand PARAMS ((rtx, enum machine_mode));
68extern int const1_operand PARAMS ((rtx, enum machine_mode));
69extern int const248_operand PARAMS ((rtx, enum machine_mode));
70extern int incdec_operand PARAMS ((rtx, enum machine_mode));
71extern int reg_no_sp_operand PARAMS ((rtx, enum machine_mode));
72extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode));
73extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode));
74extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode));
75extern int q_regs_operand PARAMS ((rtx, enum machine_mode));
76extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode));
77extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode));
78extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode));
79extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode));
80extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode));
81extern int ext_register_operand PARAMS ((rtx, enum machine_mode));
82extern int binary_fp_operator PARAMS ((rtx, enum machine_mode));
83extern int mult_operator PARAMS ((rtx, enum machine_mode));
84extern int div_operator PARAMS ((rtx, enum machine_mode));
85extern int arith_or_logical_operator PARAMS ((rtx, enum machine_mode));
86extern int promotable_binary_operator PARAMS ((rtx, enum machine_mode));
87extern int memory_displacement_operand PARAMS ((rtx, enum machine_mode));
88extern int cmpsi_operand PARAMS ((rtx, enum machine_mode));
89extern int long_memory_operand PARAMS ((rtx, enum machine_mode));
90extern int aligned_operand PARAMS ((rtx, enum machine_mode));
91extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx));
92
93extern int ix86_expand_movstr PARAMS ((rtx, rtx, rtx, rtx));
94extern int ix86_expand_clrstr PARAMS ((rtx, rtx, rtx));
95extern int ix86_expand_strlen PARAMS ((rtx, rtx, rtx, rtx));
96
97extern bool legitimate_constant_p PARAMS ((rtx));
98extern bool constant_address_p PARAMS ((rtx));
99extern bool legitimate_pic_operand_p PARAMS ((rtx));
100extern int legitimate_pic_address_disp_p PARAMS ((rtx));
101extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int));
102extern rtx legitimize_pic_address PARAMS ((rtx, rtx));
103extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
104
105extern void print_reg PARAMS ((rtx, int, FILE*));
106extern void print_operand PARAMS ((FILE*, rtx, int));
107extern void print_operand_address PARAMS ((FILE*, rtx));
108extern bool output_addr_const_extra PARAMS ((FILE*, rtx));
109
110extern void split_di PARAMS ((rtx[], int, rtx[], rtx[]));
111extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[]));
112
113extern const char *output_set_got PARAMS ((rtx));
114extern const char *output_387_binary_op PARAMS ((rtx, rtx*));
115extern const char *output_fix_trunc PARAMS ((rtx, rtx*));
116extern const char *output_fp_compare PARAMS ((rtx, rtx*, int, int));
117
118extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx));
119extern void i386_output_dwarf_dtprel PARAMS ((FILE*, int, rtx));
120extern rtx i386_simplify_dwarf_addr PARAMS ((rtx));
121
122extern void ix86_expand_clear PARAMS ((rtx));
123extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[]));
124extern void ix86_expand_vector_move PARAMS ((enum machine_mode, rtx[]));
125extern void ix86_expand_binary_operator PARAMS ((enum rtx_code,
126					       enum machine_mode, rtx[]));
127extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
128					  rtx[]));
129extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode,
130					      rtx[]));
131extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
132					 rtx[]));
133extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
134extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *));
135extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
136extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
137extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
138extern int ix86_expand_int_movcc PARAMS ((rtx[]));
139extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
140extern void ix86_expand_call PARAMS ((rtx, rtx, rtx, rtx, rtx));
141extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
142extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
143extern void ix86_split_long_move PARAMS ((rtx[]));
144extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
145extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));
146extern void ix86_split_lshrdi PARAMS ((rtx *, rtx));
147extern int ix86_address_cost PARAMS ((rtx));
148extern rtx ix86_find_base_term PARAMS ((rtx));
149extern int ix86_check_movabs PARAMS ((rtx, int));
150
151extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
152extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
153extern int ix86_attr_length_address_default PARAMS ((rtx));
154
155extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
156
157extern int x86_64_sign_extended_value PARAMS ((rtx));
158extern int x86_64_zero_extended_value PARAMS ((rtx));
159extern rtx ix86_libcall_value PARAMS ((enum machine_mode));
160extern bool ix86_function_value_regno_p PARAMS ((int));
161extern bool ix86_function_arg_regno_p PARAMS ((int));
162extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree));
163extern int ix86_return_in_memory PARAMS ((tree));
164extern void ix86_va_start PARAMS ((tree, rtx));
165extern rtx ix86_va_arg PARAMS ((tree, tree));
166extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
167						 enum machine_mode,
168						 tree, int *, int));
169
170extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx));
171extern void ix86_free_from_memory PARAMS ((enum machine_mode));
172extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx,
173					  rtx, rtx, rtx, rtx));
174extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
175extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class,
176					    enum reg_class));
177extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
178						 enum reg_class,
179						 enum machine_mode, int));
180extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
181							   enum reg_class));
182extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class,
183					  int));
184extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx));
185extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
186extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
187extern void x86_order_regs_for_local_alloc PARAMS ((void));
188extern void x86_function_profiler PARAMS ((FILE *, int));
189
190
191#ifdef TREE_CODE
192extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx));
193extern rtx function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
194extern int function_arg_pass_by_reference PARAMS ((CUMULATIVE_ARGS *,
195						   enum machine_mode,
196						   tree, int));
197extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode,
198					tree, int));
199extern rtx ix86_function_value PARAMS ((tree));
200extern void ix86_init_builtins PARAMS ((void));
201extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
202#endif
203
204#endif
205
206#ifdef TREE_CODE
207extern int ix86_return_pops_args PARAMS ((tree, tree, int));
208extern tree ix86_build_va_list PARAMS ((void));
209
210extern int ix86_data_alignment PARAMS ((tree, int));
211extern int ix86_local_alignment PARAMS ((tree, int));
212extern int ix86_constant_alignment PARAMS ((tree, int));
213extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *));
214extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *));
215
216extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
217							int));
218extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
219extern int x86_field_alignment PARAMS ((tree, int));
220#endif
221
222extern rtx ix86_tls_get_addr PARAMS ((void));
223extern void x86_machine_dependent_reorg PARAMS ((rtx));
224
225/* In winnt.c  */
226extern int i386_pe_dllexport_name_p PARAMS ((const char *));
227extern int i386_pe_dllimport_name_p PARAMS ((const char *));
228extern void i386_pe_unique_section PARAMS ((tree, int));
229extern void i386_pe_declare_function_type PARAMS ((FILE *, const char *, int));
230extern void i386_pe_record_external_function PARAMS ((const char *));
231extern void i386_pe_record_exported_symbol PARAMS ((const char *, int));
232extern void i386_pe_asm_file_end PARAMS ((FILE *));
233extern void i386_pe_encode_section_info PARAMS ((tree, int));
234extern const char *i386_pe_strip_name_encoding PARAMS ((const char *));
235extern const char *i386_pe_strip_name_encoding_full PARAMS ((const char *));
236