i386-protos.h revision 102780 
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_addr_vec_elt PARAMS ((FILE *, int));
37extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int));
38
39#ifdef RTX_CODE
40extern int ix86_aligned_p PARAMS ((rtx));
41
42extern int standard_80387_constant_p PARAMS ((rtx));
43extern int standard_sse_constant_p PARAMS ((rtx));
44extern int symbolic_reference_mentioned_p PARAMS ((rtx));
45
46extern int x86_64_general_operand PARAMS ((rtx, enum machine_mode));
47extern int x86_64_szext_general_operand PARAMS ((rtx, enum machine_mode));
48extern int x86_64_nonmemory_operand PARAMS ((rtx, enum machine_mode));
49extern int x86_64_szext_nonmemory_operand PARAMS ((rtx, enum machine_mode));
50extern int x86_64_immediate_operand PARAMS ((rtx, enum machine_mode));
51extern int x86_64_zext_immediate_operand PARAMS ((rtx, enum machine_mode));
52extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
53extern int symbolic_operand PARAMS ((rtx, enum machine_mode));
54extern int pic_symbolic_operand PARAMS ((rtx, enum machine_mode));
55extern int call_insn_operand PARAMS ((rtx, enum machine_mode));
56extern int constant_call_address_operand PARAMS ((rtx, enum machine_mode));
57extern int const0_operand PARAMS ((rtx, enum machine_mode));
58extern int const1_operand PARAMS ((rtx, enum machine_mode));
59extern int const248_operand PARAMS ((rtx, enum machine_mode));
60extern int incdec_operand PARAMS ((rtx, enum machine_mode));
61extern int reg_no_sp_operand PARAMS ((rtx, enum machine_mode));
62extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode));
63extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode));
64extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode));
65extern int q_regs_operand PARAMS ((rtx, enum machine_mode));
66extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode));
67extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode));
68extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode));
69extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode));
70extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode));
71extern int ext_register_operand PARAMS ((rtx, enum machine_mode));
72extern int binary_fp_operator PARAMS ((rtx, enum machine_mode));
73extern int mult_operator PARAMS ((rtx, enum machine_mode));
74extern int div_operator PARAMS ((rtx, enum machine_mode));
75extern int arith_or_logical_operator PARAMS ((rtx, enum machine_mode));
76extern int promotable_binary_operator PARAMS ((rtx, enum machine_mode));
77extern int memory_displacement_operand PARAMS ((rtx, enum machine_mode));
78extern int cmpsi_operand PARAMS ((rtx, enum machine_mode));
79extern int long_memory_operand PARAMS ((rtx, enum machine_mode));
80extern int aligned_operand PARAMS ((rtx, enum machine_mode));
81extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx));
82
83extern int ix86_expand_movstr PARAMS ((rtx, rtx, rtx, rtx));
84extern int ix86_expand_clrstr PARAMS ((rtx, rtx, rtx));
85extern int ix86_expand_strlen PARAMS ((rtx, rtx, rtx, rtx));
86
87extern int legitimate_pic_address_disp_p PARAMS ((rtx));
88extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int));
89extern rtx legitimize_pic_address PARAMS ((rtx, rtx));
90extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
91
92extern void print_reg PARAMS ((rtx, int, FILE*));
93extern void print_operand PARAMS ((FILE*, rtx, int));
94extern void print_operand_address PARAMS ((FILE*, rtx));
95
96extern void split_di PARAMS ((rtx[], int, rtx[], rtx[]));
97extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[]));
98
99extern const char *output_387_binary_op PARAMS ((rtx, rtx*));
100extern const char *output_fix_trunc PARAMS ((rtx, rtx*));
101extern const char *output_fp_compare PARAMS ((rtx, rtx*, int, int));
102
103extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx));
104extern rtx i386_simplify_dwarf_addr PARAMS ((rtx));
105
106extern void ix86_expand_clear PARAMS ((rtx));
107extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[]));
108extern void ix86_expand_vector_move PARAMS ((enum machine_mode, rtx[]));
109extern void ix86_expand_binary_operator PARAMS ((enum rtx_code,
110					       enum machine_mode, rtx[]));
111extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
112					  rtx[]));
113extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode,
114					      rtx[]));
115extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
116					 rtx[]));
117extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
118extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *));
119extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
120extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
121extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
122extern int ix86_expand_int_movcc PARAMS ((rtx[]));
123extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
124extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
125extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
126extern void ix86_split_long_move PARAMS ((rtx[]));
127extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
128extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));
129extern void ix86_split_lshrdi PARAMS ((rtx *, rtx));
130extern int ix86_address_cost PARAMS ((rtx));
131extern rtx ix86_find_base_term PARAMS ((rtx));
132
133extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
134extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
135extern int ix86_attr_length_address_default PARAMS ((rtx));
136
137extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
138
139extern int x86_64_sign_extended_value PARAMS ((rtx));
140extern int x86_64_zero_extended_value PARAMS ((rtx));
141extern rtx ix86_libcall_value PARAMS ((enum machine_mode));
142extern bool ix86_function_value_regno_p PARAMS ((int));
143extern bool ix86_function_arg_regno_p PARAMS ((int));
144extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree));
145extern int ix86_return_in_memory PARAMS ((tree));
146extern void ix86_va_start PARAMS ((int, tree, rtx));
147extern rtx ix86_va_arg PARAMS ((tree, tree));
148extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
149						 enum machine_mode,
150						 tree, int *, int));
151
152extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx));
153extern void ix86_free_from_memory PARAMS ((enum machine_mode));
154extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx,
155					  rtx, rtx, rtx, rtx));
156extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
157extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class,
158					    enum reg_class));
159extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
160						 enum reg_class,
161						 enum machine_mode, int));
162extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
163							   enum reg_class));
164extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class,
165					  int));
166extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx));
167extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
168extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
169extern void x86_order_regs_for_local_alloc PARAMS ((void));
170
171
172#ifdef TREE_CODE
173extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx));
174extern rtx function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
175extern void function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode,
176					tree, int));
177extern rtx ix86_function_value PARAMS ((tree));
178extern void ix86_init_builtins PARAMS ((void));
179extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
180#endif
181
182#endif
183
184#ifdef TREE_CODE
185extern int ix86_return_pops_args PARAMS ((tree, tree, int));
186extern tree ix86_build_va_list PARAMS ((void));
187
188extern int ix86_data_alignment PARAMS ((tree, int));
189extern int ix86_local_alignment PARAMS ((tree, int));
190extern int ix86_constant_alignment PARAMS ((tree, int));
191extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *));
192extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *));
193
194extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
195							int));
196extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
197extern void x86_output_mi_thunk PARAMS ((FILE *, int, tree));
198extern int x86_field_alignment PARAMS ((tree, int));
199#endif
200