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configure.in (HAVE_AS_GOTOFF_IN_DATA): New x86 check.
[gcc.git] / gcc / config / i386 / i386-protos.h
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6baf1cc8 1/* Definitions of target machine for GNU compiler for IA-32.
0e4970d7
RK		 2 Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
3 2000, 2001 Free Software Foundation, Inc.
6baf1cc8
BS		 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 */
f6da8bc3 23extern void override_options PARAMS ((void));
f6da8bc3 24extern void optimization_options PARAMS ((int, int));
6baf1cc8 25
f6da8bc3 26extern int ix86_can_use_return_insn_p PARAMS ((void));
6fca22eb
RH		 27extern int ix86_frame_pointer_required PARAMS ((void));
28extern void ix86_setup_frame_addresses PARAMS ((void));
6baf1cc8 29
4cf12e7e 30extern void ix86_asm_file_end PARAMS ((FILE *));
f6da8bc3 31extern void load_pic_register PARAMS ((void));
0903fcab 32extern HOST_WIDE_INT ix86_initial_elimination_offset PARAMS((int, int));
f6da8bc3 33extern void ix86_expand_prologue PARAMS ((void));
cbbf65e0 34extern void ix86_expand_epilogue PARAMS ((int));
6baf1cc8 35
f6da8bc3
KG		 36extern void ix86_output_function_block_profiler PARAMS ((FILE *, int));
37extern void ix86_output_block_profiler PARAMS ((FILE *, int));
6baf1cc8 38
f88c65f7
RH		 39extern void ix86_output_addr_vec_elt PARAMS ((FILE *, int));
40extern void ix86_output_addr_diff_elt PARAMS ((FILE *, int, int));
41
6baf1cc8 42#ifdef RTX_CODE
f6da8bc3
KG		 43extern int ix86_aligned_p PARAMS ((rtx));
44
45extern int standard_80387_constant_p PARAMS ((rtx));
2b04e52b 46extern int standard_sse_constant_p PARAMS ((rtx));
f6da8bc3
KG		 47extern int symbolic_reference_mentioned_p PARAMS ((rtx));
48
7dd4b4a3
JH		 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));
8bad7136 55extern int const_int_1_operand PARAMS ((rtx, enum machine_mode));
f6da8bc3
KG		 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));
f6da8bc3
KG		 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));
915119a5 65extern int mmx_reg_operand PARAMS ((rtx, enum machine_mode));
2c5a510c
RH		 66extern int general_no_elim_operand PARAMS ((rtx, enum machine_mode));
67extern int nonmemory_no_elim_operand PARAMS ((rtx, enum machine_mode));
f6da8bc3
KG		 68extern int q_regs_operand PARAMS ((rtx, enum machine_mode));
69extern int non_q_regs_operand PARAMS ((rtx, enum machine_mode));
915119a5 70extern int sse_comparison_operator PARAMS ((rtx, enum machine_mode));
f6da8bc3
KG		 71extern int fcmov_comparison_operator PARAMS ((rtx, enum machine_mode));
72extern int cmp_fp_expander_operand PARAMS ((rtx, enum machine_mode));
9076b9c1 73extern int ix86_comparison_operator PARAMS ((rtx, enum machine_mode));
f6da8bc3
KG		 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));
2247f6ed 83extern int aligned_operand PARAMS ((rtx, enum machine_mode));
9076b9c1 84extern enum machine_mode ix86_cc_mode PARAMS ((enum rtx_code, rtx, rtx));
f6da8bc3 85
0945b39d
JH		 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));
f6da8bc3
KG		 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[]));
f88c65f7 100extern void split_ti PARAMS ((rtx[], int, rtx[], rtx[]));
f6da8bc3
KG		 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
1865dbb5
JM		 106extern void i386_dwarf_output_addr_const PARAMS ((FILE*, rtx));
107extern rtx i386_simplify_dwarf_addr PARAMS ((rtx));
108
f6da8bc3
KG		 109extern void ix86_expand_move PARAMS ((enum machine_mode, rtx[]));
110extern void ix86_expand_binary_operator PARAMS ((enum rtx_code,
6baf1cc8 111 enum machine_mode, rtx[]));
f6da8bc3 112extern int ix86_binary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
6baf1cc8 113 rtx[]));
f6da8bc3 114extern void ix86_expand_unary_operator PARAMS ((enum rtx_code, enum machine_mode,
9d81fc27 115 rtx[]));
f6da8bc3 116extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
6baf1cc8 117 rtx[]));
16189740 118extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
a1b8572c 119extern rtx ix86_expand_compare PARAMS ((enum rtx_code, rtx *, rtx *));
a940d8bd 120extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
3a3677ff
RH		 121extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
122extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
f6da8bc3
KG		 123extern int ix86_expand_int_movcc PARAMS ((rtx[]));
124extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
39d04363 125extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
d24b3457 126extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
26e5b205 127extern void ix86_split_long_move PARAMS ((rtx[]));
f6da8bc3
KG		 128extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
129extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));
130extern void ix86_split_lshrdi PARAMS ((rtx *, rtx));
01329426 131extern int ix86_address_cost PARAMS ((rtx));
b949ea8b 132extern rtx ix86_find_base_term PARAMS ((rtx));
f6da8bc3
KG		 133
134extern rtx assign_386_stack_local PARAMS ((enum machine_mode, int));
6ef67412
JH		 135extern int ix86_attr_length_immediate_default PARAMS ((rtx, int));
136extern int ix86_attr_length_address_default PARAMS ((rtx));
f6da8bc3 137
b1cdafbb 138extern enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
6baf1cc8 139
fa9f36a1
JH		 140extern int x86_64_sign_extended_value PARAMS ((rtx));
141extern int x86_64_zero_extended_value PARAMS ((rtx));
53c17031
JH		 142extern rtx ix86_libcall_value PARAMS ((enum machine_mode));
143extern bool ix86_function_value_regno_p PARAMS ((int));
144extern bool ix86_function_arg_regno_p PARAMS ((int));
145extern int ix86_function_arg_boundary PARAMS ((enum machine_mode, tree));
146extern int ix86_return_in_memory PARAMS ((tree));
ad919812
JH		 147extern void ix86_va_start PARAMS ((int, tree, rtx));
148extern rtx ix86_va_arg PARAMS ((tree, tree));
149extern void ix86_setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
150 enum machine_mode,
151 tree, int *, int));
fa9f36a1 152
4211a8fb
JH		 153extern rtx ix86_force_to_memory PARAMS ((enum machine_mode, rtx));
154extern void ix86_free_from_memory PARAMS ((enum machine_mode));
03598dea
JH		 155extern void ix86_split_fp_branch PARAMS ((enum rtx_code code, rtx,
156 rtx, rtx, rtx, rtx));
a946dd00 157extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
c26a370f 158extern int ix86_register_move_cost PARAMS ((enum machine_mode, enum reg_class,
e76d65d2
JH		 159 enum reg_class));
160extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
161 enum reg_class,
162 enum machine_mode, int));
163extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
164 enum reg_class));
fa79946e
JH		 165extern int ix86_memory_move_cost PARAMS ((enum machine_mode, enum reg_class,
166 int));
397be6cf 167extern void ix86_set_move_mem_attrs PARAMS ((rtx, rtx, rtx, rtx, rtx));
7a2e09f4 168extern void emit_i387_cw_initialization PARAMS ((rtx, rtx));
03598dea 169extern bool ix86_fp_jump_nontrivial_p PARAMS ((enum rtx_code));
397be6cf 170
4211a8fb 171
6baf1cc8 172#ifdef TREE_CODE
f6da8bc3
KG		 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,
6baf1cc8 176 tree, int));
53c17031 177extern rtx ix86_function_value PARAMS ((tree));
bd793c65 178extern void ix86_init_builtins PARAMS ((void));
f6155fda 179extern void ix86_init_mmx_sse_builtins PARAMS ((void));
bd793c65 180extern rtx ix86_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
6baf1cc8
BS		 181#endif
182
183#endif
184
185#ifdef TREE_CODE
f6da8bc3 186extern int ix86_return_pops_args PARAMS ((tree, tree, int));
ad919812 187extern tree ix86_build_va_list PARAMS ((void));
a7180f70
BS		 188
189extern int ix86_data_alignment PARAMS ((tree, int));
190extern int ix86_local_alignment PARAMS ((tree, int));
191extern int ix86_constant_alignment PARAMS ((tree, int));
91d231cb
JM		 192extern tree ix86_handle_dll_attribute PARAMS ((tree *, tree, tree, int, bool *));
193extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool *));
194
7c262518
RH		 195extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
196 int));
429e2a45 197extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
6baf1cc8 198#endif
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