1 /* Definitions of target machine for GCC for IA-32.
2 Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 /* In i386-common.c. */
23 extern bool ix86_handle_option (struct gcc_options
*opts
,
24 struct gcc_options
*opts_set ATTRIBUTE_UNUSED
,
25 const struct cl_decoded_option
*decoded
,
28 /* Functions in i386.c */
29 extern bool ix86_target_stack_probe (void);
30 extern bool ix86_can_use_return_insn_p (void);
31 extern void ix86_setup_frame_addresses (void);
33 extern HOST_WIDE_INT
ix86_initial_elimination_offset (int, int);
34 extern void ix86_expand_prologue (void);
35 extern void ix86_expand_epilogue (int);
36 extern void ix86_expand_split_stack_prologue (void);
38 extern void ix86_output_addr_vec_elt (FILE *, int);
39 extern void ix86_output_addr_diff_elt (FILE *, int, int);
41 extern enum calling_abi
ix86_cfun_abi (void);
42 extern enum calling_abi
ix86_function_type_abi (const_tree
);
45 extern int standard_80387_constant_p (rtx
);
46 extern const char *standard_80387_constant_opcode (rtx
);
47 extern rtx
standard_80387_constant_rtx (int);
48 extern int standard_sse_constant_p (rtx
);
49 extern const char *standard_sse_constant_opcode (rtx
, rtx
);
50 extern bool symbolic_reference_mentioned_p (rtx
);
51 extern bool extended_reg_mentioned_p (rtx
);
52 extern bool x86_extended_QIreg_mentioned_p (rtx
);
53 extern bool x86_extended_reg_mentioned_p (rtx
);
54 extern bool x86_maybe_negate_const_int (rtx
*, enum machine_mode
);
55 extern enum machine_mode
ix86_cc_mode (enum rtx_code
, rtx
, rtx
);
57 extern int avx_vpermilp_parallel (rtx par
, enum machine_mode mode
);
58 extern int avx_vperm2f128_parallel (rtx par
, enum machine_mode mode
);
60 extern bool ix86_expand_movmem (rtx
, rtx
, rtx
, rtx
, rtx
, rtx
);
61 extern bool ix86_expand_setmem (rtx
, rtx
, rtx
, rtx
, rtx
, rtx
);
62 extern bool ix86_expand_strlen (rtx
, rtx
, rtx
, rtx
);
64 extern bool constant_address_p (rtx
);
65 extern bool legitimate_pic_operand_p (rtx
);
66 extern bool legitimate_pic_address_disp_p (rtx
);
68 extern void print_reg (rtx
, int, FILE*);
69 extern void ix86_print_operand (FILE *, rtx
, int);
71 extern void split_double_mode (enum machine_mode
, rtx
[], int, rtx
[], rtx
[]);
73 extern const char *output_set_got (rtx
, rtx
);
74 extern const char *output_387_binary_op (rtx
, rtx
*);
75 extern const char *output_387_reg_move (rtx
, rtx
*);
76 extern const char *output_fix_trunc (rtx
, rtx
*, bool);
77 extern const char *output_fp_compare (rtx
, rtx
*, bool, bool);
78 extern const char *output_adjust_stack_and_probe (rtx
);
79 extern const char *output_probe_stack_range (rtx
, rtx
);
81 extern void ix86_expand_clear (rtx
);
82 extern void ix86_expand_move (enum machine_mode
, rtx
[]);
83 extern void ix86_expand_vector_move (enum machine_mode
, rtx
[]);
84 extern void ix86_expand_vector_move_misalign (enum machine_mode
, rtx
[]);
85 extern void ix86_expand_push (enum machine_mode
, rtx
);
86 extern rtx
ix86_fixup_binary_operands (enum rtx_code
,
87 enum machine_mode
, rtx
[]);
88 extern void ix86_fixup_binary_operands_no_copy (enum rtx_code
,
89 enum machine_mode
, rtx
[]);
90 extern void ix86_expand_binary_operator (enum rtx_code
,
91 enum machine_mode
, rtx
[]);
92 extern bool ix86_binary_operator_ok (enum rtx_code
, enum machine_mode
, rtx
[]);
93 extern bool ix86_lea_for_add_ok (rtx
, rtx
[]);
94 extern bool ix86_vec_interleave_v2df_operator_ok (rtx operands
[3], bool high
);
95 extern bool ix86_dep_by_shift_count (const_rtx set_insn
, const_rtx use_insn
);
96 extern bool ix86_agi_dependent (rtx set_insn
, rtx use_insn
);
97 extern void ix86_expand_unary_operator (enum rtx_code
, enum machine_mode
,
99 extern rtx
ix86_build_const_vector (enum machine_mode
, bool, rtx
);
100 extern rtx
ix86_build_signbit_mask (enum machine_mode
, bool, bool);
101 extern void ix86_split_convert_uns_si_sse (rtx
[]);
102 extern void ix86_expand_convert_uns_didf_sse (rtx
, rtx
);
103 extern void ix86_expand_convert_uns_sixf_sse (rtx
, rtx
);
104 extern void ix86_expand_convert_uns_sidf_sse (rtx
, rtx
);
105 extern void ix86_expand_convert_uns_sisf_sse (rtx
, rtx
);
106 extern void ix86_expand_convert_sign_didf_sse (rtx
, rtx
);
107 extern enum ix86_fpcmp_strategy
ix86_fp_comparison_strategy (enum rtx_code
);
108 extern void ix86_expand_fp_absneg_operator (enum rtx_code
, enum machine_mode
,
110 extern void ix86_expand_copysign (rtx
[]);
111 extern void ix86_split_copysign_const (rtx
[]);
112 extern void ix86_split_copysign_var (rtx
[]);
113 extern bool ix86_unary_operator_ok (enum rtx_code
, enum machine_mode
, rtx
[]);
114 extern bool ix86_match_ccmode (rtx
, enum machine_mode
);
115 extern void ix86_expand_branch (enum rtx_code
, rtx
, rtx
, rtx
);
116 extern void ix86_expand_setcc (rtx
, enum rtx_code
, rtx
, rtx
);
117 extern bool ix86_expand_int_movcc (rtx
[]);
118 extern bool ix86_expand_fp_movcc (rtx
[]);
119 extern bool ix86_expand_fp_vcond (rtx
[]);
120 extern bool ix86_expand_int_vcond (rtx
[]);
121 extern void ix86_expand_sse_unpack (rtx
[], bool, bool);
122 extern bool ix86_expand_int_addcc (rtx
[]);
123 extern rtx
ix86_expand_call (rtx
, rtx
, rtx
, rtx
, rtx
, bool);
124 extern void ix86_split_call_vzeroupper (rtx
, rtx
);
125 extern void x86_initialize_trampoline (rtx
, rtx
, rtx
);
126 extern rtx
ix86_zero_extend_to_Pmode (rtx
);
127 extern void ix86_split_long_move (rtx
[]);
128 extern void ix86_split_ashl (rtx
*, rtx
, enum machine_mode
);
129 extern void ix86_split_ashr (rtx
*, rtx
, enum machine_mode
);
130 extern void ix86_split_lshr (rtx
*, rtx
, enum machine_mode
);
131 extern rtx
ix86_find_base_term (rtx
);
132 extern bool ix86_check_movabs (rtx
, int);
133 extern void ix86_split_idivmod (enum machine_mode
, rtx
[], bool);
135 extern rtx
assign_386_stack_local (enum machine_mode
, enum ix86_stack_slot
);
136 extern int ix86_attr_length_immediate_default (rtx
, bool);
137 extern int ix86_attr_length_address_default (rtx
);
138 extern int ix86_attr_length_vex_default (rtx
, bool, bool);
140 extern enum machine_mode
ix86_fp_compare_mode (enum rtx_code
);
142 extern rtx
ix86_libcall_value (enum machine_mode
);
143 extern bool ix86_function_arg_regno_p (int);
144 extern void ix86_asm_output_function_label (FILE *, const char *, tree
);
145 extern rtx
ix86_force_to_memory (enum machine_mode
, rtx
);
146 extern void ix86_free_from_memory (enum machine_mode
);
147 extern void ix86_call_abi_override (const_tree
);
148 extern int ix86_reg_parm_stack_space (const_tree
);
150 extern void ix86_split_fp_branch (enum rtx_code code
, rtx
, rtx
,
152 extern bool ix86_hard_regno_mode_ok (int, enum machine_mode
);
153 extern bool ix86_modes_tieable_p (enum machine_mode
, enum machine_mode
);
154 extern bool ix86_secondary_memory_needed (enum reg_class
, enum reg_class
,
155 enum machine_mode
, int);
156 extern bool ix86_cannot_change_mode_class (enum machine_mode
,
157 enum machine_mode
, enum reg_class
);
158 extern int ix86_mode_needed (int, rtx
);
159 extern void emit_i387_cw_initialization (int);
160 extern void x86_order_regs_for_local_alloc (void);
161 extern void x86_function_profiler (FILE *, int);
162 extern void x86_emit_floatuns (rtx
[2]);
163 extern void ix86_emit_fp_unordered_jump (rtx
);
165 extern void ix86_emit_i387_log1p (rtx
, rtx
);
166 extern void ix86_emit_swdivsf (rtx
, rtx
, rtx
, enum machine_mode
);
167 extern void ix86_emit_swsqrtsf (rtx
, rtx
, enum machine_mode
, bool);
169 extern enum rtx_code
ix86_reverse_condition (enum rtx_code
, enum machine_mode
);
171 extern void ix86_expand_lround (rtx
, rtx
);
172 extern void ix86_expand_lfloorceil (rtx
, rtx
, bool);
173 extern void ix86_expand_rint (rtx
, rtx
);
174 extern void ix86_expand_floorceil (rtx
, rtx
, bool);
175 extern void ix86_expand_floorceildf_32 (rtx
, rtx
, bool);
176 extern void ix86_expand_round (rtx
, rtx
);
177 extern void ix86_expand_rounddf_32 (rtx
, rtx
);
178 extern void ix86_expand_trunc (rtx
, rtx
);
179 extern void ix86_expand_truncdf_32 (rtx
, rtx
);
182 extern void init_cumulative_args (CUMULATIVE_ARGS
*, tree
, rtx
, tree
, int);
183 #endif /* TREE_CODE */
185 #endif /* RTX_CODE */
188 extern int ix86_data_alignment (tree
, int);
189 extern unsigned int ix86_local_alignment (tree
, enum machine_mode
,
191 extern unsigned int ix86_minimum_alignment (tree
, enum machine_mode
,
193 extern int ix86_constant_alignment (tree
, int);
194 extern tree
ix86_handle_shared_attribute (tree
*, tree
, tree
, int, bool *);
195 extern tree
ix86_handle_selectany_attribute (tree
*, tree
, tree
, int, bool *);
196 extern int x86_field_alignment (tree
, int);
197 extern tree
ix86_valid_target_attribute_tree (tree
);
198 extern unsigned int ix86_get_callcvt (const_tree
);
202 extern rtx
ix86_tls_module_base (void);
204 extern void ix86_expand_vector_init (bool, rtx
, rtx
);
205 extern void ix86_expand_vector_set (bool, rtx
, rtx
, int);
206 extern void ix86_expand_vector_extract (bool, rtx
, rtx
, int);
207 extern void ix86_expand_reduc_v4sf (rtx (*)(rtx
, rtx
, rtx
), rtx
, rtx
);
209 extern void ix86_expand_vec_extract_even_odd (rtx
, rtx
, rtx
, unsigned);
210 extern bool ix86_expand_pinsr (rtx
*);
213 extern void ix86_target_macros (void);
214 extern void ix86_register_pragmas (void);
217 extern void i386_pe_unique_section (tree
, int);
218 extern void i386_pe_declare_function_type (FILE *, const char *, int);
219 extern void i386_pe_record_external_function (tree
, const char *);
220 extern void i386_pe_maybe_record_exported_symbol (tree
, const char *, int);
221 extern void i386_pe_encode_section_info (tree
, rtx
, int);
222 extern bool i386_pe_binds_local_p (const_tree
);
223 extern const char *i386_pe_strip_name_encoding_full (const char *);
224 extern bool i386_pe_valid_dllimport_attribute_p (const_tree
);
225 extern unsigned int i386_pe_section_type_flags (tree
, const char *, int);
226 extern void i386_pe_asm_named_section (const char *, unsigned int, tree
);
227 extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree
,
231 extern void i386_pe_file_end (void);
232 extern void i386_pe_start_function (FILE *, const char *, tree
);
233 extern void i386_pe_end_function (FILE *, const char *, tree
);
234 extern void i386_pe_assemble_visibility (tree
, int);
235 extern tree
i386_pe_mangle_decl_assembler_name (tree
, tree
);
236 extern tree
i386_pe_mangle_assembler_name (const char *);
238 extern void i386_pe_seh_init (FILE *);
239 extern void i386_pe_seh_end_prologue (FILE *);
240 extern void i386_pe_seh_unwind_emit (FILE *, rtx
);
242 /* In winnt-cxx.c and winnt-stubs.c */
243 extern void i386_pe_adjust_class_at_definition (tree
);
244 extern bool i386_pe_type_dllimport_p (tree
);
245 extern bool i386_pe_type_dllexport_p (tree
);
247 extern rtx
maybe_get_pool_constant (rtx
);
249 extern char internal_label_prefix
[16];
250 extern int internal_label_prefix_len
;
252 enum ix86_address_seg
{ SEG_DEFAULT
, SEG_FS
, SEG_GS
};
255 rtx base
, index
, disp
;
257 enum ix86_address_seg seg
;
260 extern int ix86_decompose_address (rtx
, struct ix86_address
*);
261 extern int memory_address_length (rtx addr
);
262 extern void x86_output_aligned_bss (FILE *, tree
, const char *,
263 unsigned HOST_WIDE_INT
, int);
264 extern void x86_elf_aligned_common (FILE *, const char *,
265 unsigned HOST_WIDE_INT
, int);
268 extern void ix86_fp_comparison_codes (enum rtx_code code
, enum rtx_code
*,
269 enum rtx_code
*, enum rtx_code
*);
270 extern enum rtx_code
ix86_fp_compare_code_to_integer (enum rtx_code
);
271 extern rtx
construct_plt_address (rtx
);
273 extern int asm_preferred_eh_data_format (int, int);
276 extern enum attr_cpu ix86_schedule
;
279 extern const char * ix86_output_call_insn (rtx insn
, rtx call_op
);
282 /* Target data for multipass lookahead scheduling.
283 Currently used for Core 2/i7 tuning. */
284 struct ix86_first_cycle_multipass_data_
286 /* The length (in bytes) of ifetch block in this solution. */
287 int ifetch_block_len
;
288 /* Number of instructions in ifetch block in this solution. */
289 int ifetch_block_n_insns
;
290 /* Bitmap to remember changes to ready_try for backtracking. */
291 sbitmap ready_try_change
;
292 /* Size of the bitmap. */
293 int ready_try_change_size
;
295 # define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T \
296 struct ix86_first_cycle_multipass_data_
297 #endif /* RTX_CODE */