OSDN Git Service

PR testsuite/36057
[pf3gnuchains/gcc-fork.git] / gcc / target-def.h
1 /* Default initializers for a generic GCC target.
2    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
3    Free Software Foundation, Inc.
4
5    This program is free software; you can redistribute it and/or modify it
6    under the terms of the GNU General Public License as published by the
7    Free Software Foundation; either version 3, or (at your option) any
8    later version.
9
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14
15    You should have received a copy of the GNU General Public License
16    along with this program; see the file COPYING3.  If not see
17    <http://www.gnu.org/licenses/>.
18
19    In other words, you are welcome to use, share and improve this program.
20    You are forbidden to forbid anyone else to use, share and improve
21    what you give them.   Help stamp out software-hoarding!  */
22
23 /* See target.h for a description of what this file contains and how to
24    use it.
25
26    We want to have non-NULL default definitions of all hook functions,
27    even if they do nothing.  */
28
29 /* Note that if one of these macros must be defined in an OS .h file
30    rather than the .c file, then we need to wrap the default
31    definition in a #ifndef, since files include tm.h before this one.  */
32
33 /* Assembler output.  */
34 #ifndef TARGET_ASM_OPEN_PAREN
35 #define TARGET_ASM_OPEN_PAREN "("
36 #endif
37 #ifndef TARGET_ASM_CLOSE_PAREN
38 #define TARGET_ASM_CLOSE_PAREN ")"
39 #endif
40
41 #define TARGET_ASM_BYTE_OP "\t.byte\t"
42
43 #define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
44 #define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
45 #define TARGET_ASM_ALIGNED_DI_OP NULL
46 #define TARGET_ASM_ALIGNED_TI_OP NULL
47
48 /* GAS and SYSV4 assemblers accept these.  */
49 #if defined (OBJECT_FORMAT_ELF)
50 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
51 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
52 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
53 #define TARGET_ASM_UNALIGNED_TI_OP NULL
54 #else
55 #define TARGET_ASM_UNALIGNED_HI_OP NULL
56 #define TARGET_ASM_UNALIGNED_SI_OP NULL
57 #define TARGET_ASM_UNALIGNED_DI_OP NULL
58 #define TARGET_ASM_UNALIGNED_TI_OP NULL
59 #endif /* OBJECT_FORMAT_ELF */
60
61 #define TARGET_ASM_INTEGER default_assemble_integer
62
63 #ifndef TARGET_ASM_GLOBALIZE_LABEL
64 #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label
65 #endif
66
67 #ifndef TARGET_ASM_GLOBALIZE_DECL_NAME
68 #define TARGET_ASM_GLOBALIZE_DECL_NAME default_globalize_decl_name
69 #endif
70
71 #ifndef TARGET_ASM_EMIT_UNWIND_LABEL
72 #define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label
73 #endif
74
75 #ifndef TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL
76 #define TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL default_emit_except_table_label
77 #endif
78
79 #ifndef TARGET_UNWIND_EMIT
80 #define TARGET_UNWIND_EMIT default_unwind_emit
81 #endif
82
83 #ifndef TARGET_ASM_INTERNAL_LABEL
84 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
85 #endif
86
87 #ifndef TARGET_ARM_TTYPE
88 #define TARGET_ASM_TTYPE hook_bool_rtx_false
89 #endif
90
91 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
92 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
93 #endif
94
95 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
96 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
97 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
98 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
99
100 #ifndef TARGET_ASM_RELOC_RW_MASK
101 #define TARGET_ASM_RELOC_RW_MASK default_reloc_rw_mask
102 #endif
103
104 #ifndef TARGET_ASM_SELECT_SECTION
105 #define TARGET_ASM_SELECT_SECTION default_select_section
106 #endif
107
108 #ifndef TARGET_ASM_UNIQUE_SECTION
109 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
110 #endif
111
112 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
113 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
114 #endif
115
116 #ifndef TARGET_ASM_SELECT_RTX_SECTION
117 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
118 #endif
119
120 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
121 # ifdef CTORS_SECTION_ASM_OP
122 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
123 # else
124 #  ifdef TARGET_ASM_NAMED_SECTION
125 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
126 #  else
127 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
128 #  endif
129 # endif
130 #endif
131
132 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
133 # ifdef DTORS_SECTION_ASM_OP
134 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
135 # else
136 #  ifdef TARGET_ASM_NAMED_SECTION
137 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
138 #  else
139 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
140 #  endif
141 # endif
142 #endif
143
144 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
145 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_const_tree_hwi_hwi_const_tree_false
146
147 #if !defined(TARGET_HAVE_CTORS_DTORS)
148 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
149 # define TARGET_HAVE_CTORS_DTORS true
150 # else
151 # define TARGET_HAVE_CTORS_DTORS false
152 # define TARGET_ASM_CONSTRUCTOR NULL
153 # define TARGET_ASM_DESTRUCTOR NULL
154 # endif
155 #endif
156
157 #ifndef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
158 #define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS false
159 #endif
160
161 #ifndef TARGET_ASM_INIT_SECTIONS
162 #define TARGET_ASM_INIT_SECTIONS hook_void_void
163 #endif
164
165 #ifdef TARGET_ASM_NAMED_SECTION
166 #define TARGET_HAVE_NAMED_SECTIONS true
167 #else
168 #define TARGET_ASM_NAMED_SECTION default_no_named_section
169 #define TARGET_HAVE_NAMED_SECTIONS false
170 #endif
171
172 #ifndef TARGET_INVALID_WITHIN_DOLOOP
173 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
174 #endif
175
176 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
177 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_const_tree_true
178 #endif
179
180 #ifndef TARGET_HAVE_TLS
181 #define TARGET_HAVE_TLS false
182 #endif
183
184 #ifndef TARGET_HAVE_SRODATA_SECTION
185 #define TARGET_HAVE_SRODATA_SECTION false
186 #endif
187
188 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
189 #ifdef EH_FRAME_SECTION_NAME
190 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
191 #else
192 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
193 #endif
194 #endif
195
196 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
197 #define TARGET_INIT_DWARF_REG_SIZES_EXTRA hook_void_tree
198
199 #ifndef TARGET_ASM_FILE_START
200 #define TARGET_ASM_FILE_START default_file_start
201 #endif
202
203 #ifndef TARGET_ASM_FILE_END
204 #define TARGET_ASM_FILE_END hook_void_void
205 #endif
206
207 #ifndef TARGET_EXTRA_LIVE_ON_ENTRY
208 #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap
209 #endif
210
211 #ifndef TARGET_ASM_FILE_START_APP_OFF
212 #define TARGET_ASM_FILE_START_APP_OFF false
213 #endif
214
215 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
216 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
217 #endif
218
219 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
220 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
221 #endif
222
223 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
224 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
225 #endif
226
227 #ifndef TARGET_ASM_OUTPUT_ANCHOR
228 #ifdef ASM_OUTPUT_DEF
229 #define TARGET_ASM_OUTPUT_ANCHOR default_asm_output_anchor
230 #else
231 #define TARGET_ASM_OUTPUT_ANCHOR NULL
232 #endif
233 #endif
234
235 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
236 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
237 #endif
238
239 #ifndef TARGET_ASM_RECORD_GCC_SWITCHES
240 #define TARGET_ASM_RECORD_GCC_SWITCHES NULL
241 #endif
242 #ifndef TARGET_ASM_RECORD_GCC_SWITCHES_SECTION
243 #define TARGET_ASM_RECORD_GCC_SWITCHES_SECTION ".GCC.command.line"
244 #endif
245
246 #define TARGET_ASM_ALIGNED_INT_OP                               \
247                        {TARGET_ASM_ALIGNED_HI_OP,               \
248                         TARGET_ASM_ALIGNED_SI_OP,               \
249                         TARGET_ASM_ALIGNED_DI_OP,               \
250                         TARGET_ASM_ALIGNED_TI_OP}
251
252 #define TARGET_ASM_UNALIGNED_INT_OP                             \
253                        {TARGET_ASM_UNALIGNED_HI_OP,             \
254                         TARGET_ASM_UNALIGNED_SI_OP,             \
255                         TARGET_ASM_UNALIGNED_DI_OP,             \
256                         TARGET_ASM_UNALIGNED_TI_OP}
257
258 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
259                         TARGET_ASM_CLOSE_PAREN,                 \
260                         TARGET_ASM_BYTE_OP,                     \
261                         TARGET_ASM_ALIGNED_INT_OP,              \
262                         TARGET_ASM_UNALIGNED_INT_OP,            \
263                         TARGET_ASM_INTEGER,                     \
264                         TARGET_ASM_GLOBALIZE_LABEL,             \
265                         TARGET_ASM_GLOBALIZE_DECL_NAME,         \
266                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
267                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
268                         TARGET_UNWIND_EMIT,                     \
269                         TARGET_ASM_INTERNAL_LABEL,              \
270                         TARGET_ASM_TTYPE,                       \
271                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
272                         TARGET_ASM_FUNCTION_PROLOGUE,           \
273                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
274                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
275                         TARGET_ASM_FUNCTION_EPILOGUE,           \
276                         TARGET_ASM_INIT_SECTIONS,               \
277                         TARGET_ASM_NAMED_SECTION,               \
278                         TARGET_ASM_RELOC_RW_MASK,               \
279                         TARGET_ASM_SELECT_SECTION,              \
280                         TARGET_ASM_SELECT_RTX_SECTION,          \
281                         TARGET_ASM_UNIQUE_SECTION,              \
282                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
283                         TARGET_ASM_CONSTRUCTOR,                 \
284                         TARGET_ASM_DESTRUCTOR,                  \
285                         TARGET_ASM_OUTPUT_MI_THUNK,             \
286                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
287                         TARGET_ASM_FILE_START,                  \
288                         TARGET_ASM_FILE_END,                    \
289                         TARGET_ASM_EXTERNAL_LIBCALL,            \
290                         TARGET_ASM_MARK_DECL_PRESERVED,         \
291                         TARGET_ASM_RECORD_GCC_SWITCHES,         \
292                         TARGET_ASM_RECORD_GCC_SWITCHES_SECTION, \
293                         TARGET_ASM_OUTPUT_ANCHOR,               \
294                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
295
296 /* Scheduler hooks.  All of these default to null pointers, which
297    haifa-sched.c looks for and handles.  */
298 #define TARGET_SCHED_ADJUST_COST 0
299 #define TARGET_SCHED_ADJUST_PRIORITY 0
300 #define TARGET_SCHED_ISSUE_RATE 0
301 #define TARGET_SCHED_VARIABLE_ISSUE 0
302 #define TARGET_SCHED_INIT 0
303 #define TARGET_SCHED_FINISH 0
304 #define TARGET_SCHED_INIT_GLOBAL 0
305 #define TARGET_SCHED_FINISH_GLOBAL 0
306 #define TARGET_SCHED_REORDER 0
307 #define TARGET_SCHED_REORDER2 0
308 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
309 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
310 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
311 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
312 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
313 #define TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE 0
314 #define TARGET_SCHED_DFA_POST_ADVANCE_CYCLE 0
315 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
316 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
317 #define TARGET_SCHED_DFA_NEW_CYCLE 0
318 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
319 #define TARGET_SCHED_H_I_D_EXTENDED 0
320 #define TARGET_SCHED_SPECULATE_INSN 0
321 #define TARGET_SCHED_NEEDS_BLOCK_P 0
322 #define TARGET_SCHED_GEN_CHECK 0
323 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC 0
324 #define TARGET_SCHED_SET_SCHED_FLAGS 0
325 #define TARGET_SCHED_SMS_RES_MII 0
326
327 #define TARGET_SCHED                                            \
328   {TARGET_SCHED_ADJUST_COST,                                    \
329    TARGET_SCHED_ADJUST_PRIORITY,                                \
330    TARGET_SCHED_ISSUE_RATE,                                     \
331    TARGET_SCHED_VARIABLE_ISSUE,                                 \
332    TARGET_SCHED_INIT,                                           \
333    TARGET_SCHED_FINISH,                                         \
334    TARGET_SCHED_INIT_GLOBAL,                                    \
335    TARGET_SCHED_FINISH_GLOBAL,                                  \
336    TARGET_SCHED_REORDER,                                        \
337    TARGET_SCHED_REORDER2,                                       \
338    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
339    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
340    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
341    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
342    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
343    TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,                          \
344    TARGET_SCHED_DFA_POST_ADVANCE_CYCLE,                         \
345    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
346    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
347    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
348    TARGET_SCHED_IS_COSTLY_DEPENDENCE,                           \
349    TARGET_SCHED_H_I_D_EXTENDED,                                 \
350    TARGET_SCHED_SPECULATE_INSN,                                 \
351    TARGET_SCHED_NEEDS_BLOCK_P,                                  \
352    TARGET_SCHED_GEN_CHECK,                                      \
353    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, \
354    TARGET_SCHED_SET_SCHED_FLAGS,                                \
355    TARGET_SCHED_SMS_RES_MII}
356
357 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
358 #define TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION \
359   default_builtin_vectorized_function
360 #define TARGET_VECTORIZE_BUILTIN_CONVERSION \
361   default_builtin_vectorized_conversion
362 #define TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN 0
363 #define TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD 0
364 #define TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST 0
365 #define TARGET_VECTOR_ALIGNMENT_REACHABLE \
366   default_builtin_vector_alignment_reachable
367
368 #define TARGET_VECTORIZE                                                \
369   {                                                                     \
370     TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD,                             \
371     TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION,                       \
372     TARGET_VECTORIZE_BUILTIN_CONVERSION,                                \
373     TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN,                            \
374     TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD,                             \
375     TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST,                        \
376     TARGET_VECTOR_ALIGNMENT_REACHABLE                                   \
377   }
378
379 #define TARGET_DEFAULT_TARGET_FLAGS 0
380
381 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
382 #define TARGET_HELP NULL
383
384 /* In except.c */
385 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
386
387 /* In libgcc2.c */
388 #define TARGET_LIBGCC_CMP_RETURN_MODE  default_libgcc_cmp_return_mode
389 #define TARGET_LIBGCC_SHIFT_COUNT_MODE default_libgcc_shift_count_mode
390
391 /* In tree.c.  */
392 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
393 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
394 #define TARGET_ATTRIBUTE_TABLE NULL
395
396 /* In cse.c.  */
397 #define TARGET_ADDRESS_COST default_address_cost
398
399 /* In builtins.c.  */
400 #define TARGET_INIT_BUILTINS hook_void_void
401 #define TARGET_EXPAND_BUILTIN default_expand_builtin
402 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
403 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
404
405 /* In tree-ssa-math-opts.c  */
406 #define TARGET_BUILTIN_RECIPROCAL default_builtin_reciprocal
407
408 /* In varasm.c.  */
409 #ifndef TARGET_SECTION_TYPE_FLAGS
410 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
411 #endif
412
413 #ifndef TARGET_STRIP_NAME_ENCODING
414 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
415 #endif
416
417 #ifndef TARGET_BINDS_LOCAL_P
418 #define TARGET_BINDS_LOCAL_P default_binds_local_p
419 #endif
420
421 #ifndef TARGET_SHIFT_TRUNCATION_MASK
422 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
423 #endif
424
425 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
426 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
427 #endif
428
429 #ifndef TARGET_MODE_REP_EXTENDED
430 #define TARGET_MODE_REP_EXTENDED default_mode_rep_extended
431 #endif
432
433 #ifndef TARGET_VALID_POINTER_MODE
434 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
435 #endif
436
437 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
438 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
439 #endif
440
441 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
442 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
443 #endif
444
445 #ifndef TARGET_FIXED_POINT_SUPPORTED_P
446 #define TARGET_FIXED_POINT_SUPPORTED_P default_fixed_point_supported_p
447 #endif
448
449 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
450 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
451 #endif
452
453 #ifndef TARGET_VECTOR_OPAQUE_P
454 #define TARGET_VECTOR_OPAQUE_P hook_bool_const_tree_false
455 #endif
456
457 /* In hooks.c.  */
458 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
459 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
460 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
461 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
462 #define TARGET_CANNOT_COPY_INSN_P NULL
463 #define TARGET_COMMUTATIVE_P hook_bool_const_rtx_commutative_p
464 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
465 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_const_rtx_false
466 #define TARGET_MIN_ANCHOR_OFFSET 0
467 #define TARGET_MAX_ANCHOR_OFFSET 0
468 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
469 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
470 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_const_tree_const_tree_1
471 #ifndef TARGET_SET_DEFAULT_TYPE_ATTRIBUTES
472 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
473 #endif
474 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
475 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_const_tree_false
476 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_const_tree_false
477 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
478 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
479 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
480 #define TARGET_MANGLE_TYPE hook_constcharptr_const_tree_null
481 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
482
483 #define TARGET_UNSPEC_MAY_TRAP_P default_unspec_may_trap_p
484
485 #ifndef TARGET_SET_CURRENT_FUNCTION
486 #define TARGET_SET_CURRENT_FUNCTION hook_void_tree
487 #endif
488
489 #ifndef TARGET_INIT_LIBFUNCS
490 #define TARGET_INIT_LIBFUNCS hook_void_void
491 #endif
492
493 #ifndef TARGET_IN_SMALL_DATA_P
494 #define TARGET_IN_SMALL_DATA_P hook_bool_const_tree_false
495 #endif
496
497 #ifndef TARGET_MANGLE_DECL_ASSEMBLER_NAME
498 #define TARGET_MANGLE_DECL_ASSEMBLER_NAME default_mangle_decl_assembler_name
499 #endif
500
501 #ifndef TARGET_ENCODE_SECTION_INFO
502 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
503 #endif
504
505 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
506 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
507 #endif
508
509 #define TARGET_INVALID_CONVERSION hook_constcharptr_const_tree_const_tree_null
510 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_const_tree_null
511 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_const_tree_const_tree_null
512
513 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
514
515 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
516
517 #define TARGET_MACHINE_DEPENDENT_REORG 0
518
519 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
520 #define TARGET_EXPAND_BUILTIN_VA_START 0
521
522 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
523 #define TARGET_PCH_VALID_P default_pch_valid_p
524 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
525
526 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
527
528 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
529
530 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
531
532 #define TARGET_DWARF_CALLING_CONVENTION hook_int_const_tree_0
533
534 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
535
536 #define TARGET_STDARG_OPTIMIZE_HOOK 0
537
538 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
539 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
540
541 #define TARGET_ARM_EABI_UNWINDER false
542
543 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_const_tree_false
544 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_const_tree_false
545 #define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_false
546
547 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
548 #ifndef TARGET_RETURN_IN_MEMORY
549 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
550 #endif
551 #define TARGET_RETURN_IN_MSB hook_bool_const_tree_false
552
553 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
554 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
555 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
556 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
557   default_pretend_outgoing_varargs_named
558 #define TARGET_SPLIT_COMPLEX_ARG NULL
559
560 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
561 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
562
563 #define TARGET_RELAXED_ORDERING false
564
565 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
566 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
567 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
568
569 #define TARGET_FUNCTION_VALUE default_function_value
570 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
571
572 #define TARGET_CALLS {                                          \
573    TARGET_PROMOTE_FUNCTION_ARGS,                                \
574    TARGET_PROMOTE_FUNCTION_RETURN,                              \
575    TARGET_PROMOTE_PROTOTYPES,                                   \
576    TARGET_STRUCT_VALUE_RTX,                                     \
577    TARGET_RETURN_IN_MEMORY,                                     \
578    TARGET_RETURN_IN_MSB,                                        \
579    TARGET_PASS_BY_REFERENCE,                                    \
580    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
581    TARGET_SETUP_INCOMING_VARARGS,                               \
582    TARGET_STRICT_ARGUMENT_NAMING,                               \
583    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
584    TARGET_SPLIT_COMPLEX_ARG,                                    \
585    TARGET_MUST_PASS_IN_STACK,                                   \
586    TARGET_CALLEE_COPIES,                                        \
587    TARGET_ARG_PARTIAL_BYTES,                                    \
588    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
589    TARGET_FUNCTION_VALUE,                                       \
590    TARGET_INTERNAL_ARG_POINTER                                  \
591    }
592
593 #ifndef TARGET_UNWIND_TABLES_DEFAULT
594 #define TARGET_UNWIND_TABLES_DEFAULT false
595 #endif
596
597 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
598 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
599 #endif
600
601 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
602 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
603 #endif
604
605 #ifndef TARGET_SECONDARY_RELOAD
606 #define TARGET_SECONDARY_RELOAD default_secondary_reload
607 #endif
608
609 #ifndef TARGET_EXPAND_TO_RTL_HOOK
610 #define TARGET_EXPAND_TO_RTL_HOOK hook_void_void
611 #endif
612
613 #ifndef TARGET_INSTANTIATE_DECLS
614 #define TARGET_INSTANTIATE_DECLS hook_void_void
615 #endif
616
617 /* C specific.  */
618 #ifndef TARGET_C_MODE_FOR_SUFFIX
619 #define TARGET_C_MODE_FOR_SUFFIX default_mode_for_suffix
620 #endif
621
622 #define TARGET_C                                \
623   {                                             \
624     TARGET_C_MODE_FOR_SUFFIX                    \
625   }
626
627 /* C++ specific.  */
628 #ifndef TARGET_CXX_GUARD_TYPE
629 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
630 #endif
631
632 #ifndef TARGET_CXX_GUARD_MASK_BIT
633 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
634 #endif
635
636 #ifndef TARGET_CXX_GET_COOKIE_SIZE
637 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
638 #endif
639
640 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
641 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
642 #endif
643
644 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
645 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
646 #endif
647
648 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
649 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
650 #endif
651
652 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
653 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
654 #endif
655
656 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
657 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
658 #endif
659
660 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
661 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
662 #endif
663
664 #ifndef TARGET_CXX_LIBRARY_RTTI_COMDAT
665 #define TARGET_CXX_LIBRARY_RTTI_COMDAT hook_bool_void_true
666 #endif
667
668 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
669 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
670 #endif
671
672 #ifndef TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT
673 #define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_false
674 #endif
675
676 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
677 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
678 #endif
679
680 #define TARGET_CXX                              \
681   {                                             \
682     TARGET_CXX_GUARD_TYPE,                      \
683     TARGET_CXX_GUARD_MASK_BIT,                  \
684     TARGET_CXX_GET_COOKIE_SIZE,                 \
685     TARGET_CXX_COOKIE_HAS_SIZE,                 \
686     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
687     TARGET_CXX_CDTOR_RETURNS_THIS,              \
688     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
689     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
690     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
691     TARGET_CXX_LIBRARY_RTTI_COMDAT,             \
692     TARGET_CXX_USE_AEABI_ATEXIT,                \
693     TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT,       \
694     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
695   }
696
697 /* EMUTLS specific */
698 #ifndef TARGET_EMUTLS_GET_ADDRESS
699 #define TARGET_EMUTLS_GET_ADDRESS "__builtin___emutls_get_address"
700 #endif
701
702 #ifndef TARGET_EMUTLS_REGISTER_COMMON
703 #define TARGET_EMUTLS_REGISTER_COMMON "__builtin___emutls_register_common"
704 #endif
705
706 #ifndef TARGET_EMUTLS_VAR_SECTION
707 #define TARGET_EMUTLS_VAR_SECTION NULL
708 #endif
709
710 #ifndef TARGET_EMUTLS_TMPL_SECTION
711 #define TARGET_EMUTLS_TMPL_SECTION NULL
712 #endif
713
714 #ifndef TARGET_EMUTLS_VAR_PREFIX
715 #define TARGET_EMUTLS_VAR_PREFIX NULL
716 #endif
717
718 #ifndef TARGET_EMUTLS_TMPL_PREFIX
719 #define TARGET_EMUTLS_TMPL_PREFIX NULL
720 #endif
721
722 #ifndef TARGET_EMUTLS_VAR_FIELDS
723 #define TARGET_EMUTLS_VAR_FIELDS default_emutls_var_fields
724 #endif
725
726 #ifndef TARGET_EMUTLS_VAR_INIT
727 #define TARGET_EMUTLS_VAR_INIT default_emutls_var_init
728 #endif
729
730 #ifndef TARGET_EMUTLS_VAR_ALIGN_FIXED
731 #define TARGET_EMUTLS_VAR_ALIGN_FIXED false
732 #endif
733
734 #ifndef TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS
735 #define TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS false
736 #endif
737
738 #define TARGET_EMUTLS                           \
739   {                                             \
740     TARGET_EMUTLS_GET_ADDRESS,                  \
741     TARGET_EMUTLS_REGISTER_COMMON,              \
742     TARGET_EMUTLS_VAR_SECTION,                  \
743     TARGET_EMUTLS_TMPL_SECTION,                 \
744     TARGET_EMUTLS_VAR_PREFIX,                   \
745     TARGET_EMUTLS_TMPL_PREFIX,                  \
746     TARGET_EMUTLS_VAR_FIELDS,                   \
747     TARGET_EMUTLS_VAR_INIT,                     \
748     TARGET_EMUTLS_VAR_ALIGN_FIXED,              \
749     TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS        \
750   }
751
752 /* The whole shebang.  */
753 #define TARGET_INITIALIZER                      \
754 {                                               \
755   TARGET_ASM_OUT,                               \
756   TARGET_SCHED,                                 \
757   TARGET_VECTORIZE,                             \
758   TARGET_DEFAULT_TARGET_FLAGS,                  \
759   TARGET_HANDLE_OPTION,                         \
760   TARGET_HELP,                                  \
761   TARGET_EH_RETURN_FILTER_MODE,                 \
762   TARGET_LIBGCC_CMP_RETURN_MODE,                \
763   TARGET_LIBGCC_SHIFT_COUNT_MODE,               \
764   TARGET_MERGE_DECL_ATTRIBUTES,                 \
765   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
766   TARGET_ATTRIBUTE_TABLE,                       \
767   TARGET_COMP_TYPE_ATTRIBUTES,                  \
768   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
769   TARGET_INSERT_ATTRIBUTES,                     \
770   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
771   TARGET_MS_BITFIELD_LAYOUT_P,                  \
772   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
773   TARGET_FIXED_POINT_SUPPORTED_P,               \
774   TARGET_ALIGN_ANON_BITFIELD,                   \
775   TARGET_NARROW_VOLATILE_BITFIELD,              \
776   TARGET_INIT_BUILTINS,                         \
777   TARGET_EXPAND_BUILTIN,                        \
778   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
779   TARGET_FOLD_BUILTIN,                          \
780   TARGET_BUILTIN_RECIPROCAL,                    \
781   TARGET_MANGLE_TYPE,                           \
782   TARGET_INIT_LIBFUNCS,                         \
783   TARGET_SECTION_TYPE_FLAGS,                    \
784   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
785   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
786   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
787   TARGET_CANNOT_FORCE_CONST_MEM,                \
788   TARGET_CANNOT_COPY_INSN_P,                    \
789   TARGET_COMMUTATIVE_P,                         \
790   TARGET_DELEGITIMIZE_ADDRESS,                  \
791   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
792   TARGET_MIN_ANCHOR_OFFSET,                     \
793   TARGET_MAX_ANCHOR_OFFSET,                     \
794   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
795   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
796   TARGET_SET_CURRENT_FUNCTION,                  \
797   TARGET_IN_SMALL_DATA_P,                       \
798   TARGET_BINDS_LOCAL_P,                         \
799   TARGET_MANGLE_DECL_ASSEMBLER_NAME,            \
800   TARGET_ENCODE_SECTION_INFO,                   \
801   TARGET_STRIP_NAME_ENCODING,                   \
802   TARGET_SHIFT_TRUNCATION_MASK,                 \
803   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
804   TARGET_MODE_REP_EXTENDED,                     \
805   TARGET_VALID_POINTER_MODE,                    \
806   TARGET_SCALAR_MODE_SUPPORTED_P,               \
807   TARGET_VECTOR_MODE_SUPPORTED_P,               \
808   TARGET_VECTOR_OPAQUE_P,                       \
809   TARGET_RTX_COSTS,                             \
810   TARGET_ADDRESS_COST,                          \
811   TARGET_ALLOCATE_INITIAL_VALUE,                \
812   TARGET_UNSPEC_MAY_TRAP_P,                     \
813   TARGET_DWARF_REGISTER_SPAN,                   \
814   TARGET_INIT_DWARF_REG_SIZES_EXTRA,            \
815   TARGET_FIXED_CONDITION_CODE_REGS,             \
816   TARGET_CC_MODES_COMPATIBLE,                   \
817   TARGET_MACHINE_DEPENDENT_REORG,               \
818   TARGET_BUILD_BUILTIN_VA_LIST,                 \
819   TARGET_EXPAND_BUILTIN_VA_START,               \
820   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
821   TARGET_GET_PCH_VALIDITY,                      \
822   TARGET_PCH_VALID_P,                           \
823   TARGET_CHECK_PCH_TARGET_FLAGS,                \
824   TARGET_DEFAULT_SHORT_ENUMS,                   \
825   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
826   TARGET_MD_ASM_CLOBBERS,                       \
827   TARGET_DWARF_CALLING_CONVENTION,              \
828   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
829   TARGET_STDARG_OPTIMIZE_HOOK,                  \
830   TARGET_STACK_PROTECT_GUARD,                   \
831   TARGET_STACK_PROTECT_FAIL,                    \
832   TARGET_INVALID_WITHIN_DOLOOP,                 \
833   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
834   TARGET_CALLS,                                 \
835   TARGET_INVALID_CONVERSION,                    \
836   TARGET_INVALID_UNARY_OP,                      \
837   TARGET_INVALID_BINARY_OP,                     \
838   TARGET_SECONDARY_RELOAD,                      \
839   TARGET_EXPAND_TO_RTL_HOOK,                    \
840   TARGET_INSTANTIATE_DECLS,                     \
841   TARGET_C,                                     \
842   TARGET_CXX,                                   \
843   TARGET_EMUTLS,                                \
844   TARGET_EXTRA_LIVE_ON_ENTRY,                   \
845   TARGET_UNWIND_TABLES_DEFAULT,                 \
846   TARGET_HAVE_NAMED_SECTIONS,                   \
847   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
848   TARGET_HAVE_CTORS_DTORS,                      \
849   TARGET_HAVE_TLS,                              \
850   TARGET_HAVE_SRODATA_SECTION,                  \
851   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
852   TARGET_ASM_FILE_START_APP_OFF,                \
853   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
854   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
855   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
856   TARGET_RELAXED_ORDERING,                      \
857   TARGET_ARM_EABI_UNWINDER                      \
858 }
859
860 #define TARGET_HANDLE_C_OPTION default_handle_c_option
861 #define TARGETCM_INITIALIZER { TARGET_HANDLE_C_OPTION }
862
863 #include "hooks.h"
864 #include "targhooks.h"