OSDN Git Service

2006-03-30 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / target-def.h
1 /* Default initializers for a generic GCC target.
2    Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
3
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the
6 Free Software Foundation; either version 2, or (at your option) any
7 later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
18  In other words, you are welcome to use, share and improve this program.
19  You are forbidden to forbid anyone else to use, share and improve
20  what you give them.   Help stamp out software-hoarding!  */
21
22 /* See target.h for a description of what this file contains and how to
23    use it.
24
25    We want to have non-NULL default definitions of all hook functions,
26    even if they do nothing.  */
27
28 /* Note that if one of these macros must be defined in an OS .h file
29    rather than the .c file, then we need to wrap the default
30    definition in a #ifndef, since files include tm.h before this one.  */
31
32 /* Assembler output.  */
33 #define TARGET_ASM_OPEN_PAREN "("
34 #define TARGET_ASM_CLOSE_PAREN ")"
35 #define TARGET_ASM_BYTE_OP "\t.byte\t"
36
37 #define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
38 #define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
39 #define TARGET_ASM_ALIGNED_DI_OP NULL
40 #define TARGET_ASM_ALIGNED_TI_OP NULL
41
42 /* GAS and SYSV4 assemblers accept these.  */
43 #if defined (OBJECT_FORMAT_ELF)
44 #define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
45 #define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
46 #define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
47 #define TARGET_ASM_UNALIGNED_TI_OP NULL
48 #else
49 #define TARGET_ASM_UNALIGNED_HI_OP NULL
50 #define TARGET_ASM_UNALIGNED_SI_OP NULL
51 #define TARGET_ASM_UNALIGNED_DI_OP NULL
52 #define TARGET_ASM_UNALIGNED_TI_OP NULL
53 #endif /* OBJECT_FORMAT_ELF */
54
55 #define TARGET_ASM_INTEGER default_assemble_integer
56
57 #ifndef TARGET_ASM_GLOBALIZE_LABEL
58 #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label
59 #endif
60
61 #ifndef TARGET_ASM_EMIT_UNWIND_LABEL
62 #define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label
63 #endif
64
65 #ifndef TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL
66 #define TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL default_emit_except_table_label
67 #endif
68
69 #ifndef TARGET_UNWIND_EMIT
70 #define TARGET_UNWIND_EMIT default_unwind_emit
71 #endif
72
73 #ifndef TARGET_ASM_INTERNAL_LABEL
74 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
75 #endif
76
77 #ifndef TARGET_ARM_TTYPE
78 #define TARGET_ASM_TTYPE hook_bool_rtx_false
79 #endif
80
81 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
82 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
83 #endif
84
85 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
86 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
87 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
88 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
89
90 #ifndef TARGET_ASM_SELECT_SECTION
91 #define TARGET_ASM_SELECT_SECTION default_select_section
92 #endif
93
94 #ifndef TARGET_ASM_UNIQUE_SECTION
95 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
96 #endif
97
98 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
99 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
100 #endif
101
102 #ifndef TARGET_ASM_SELECT_RTX_SECTION
103 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
104 #endif
105
106 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
107 # ifdef CTORS_SECTION_ASM_OP
108 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
109 # else
110 #  ifdef TARGET_ASM_NAMED_SECTION
111 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
112 #  else
113 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
114 #  endif
115 # endif
116 #endif
117
118 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
119 # ifdef DTORS_SECTION_ASM_OP
120 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
121 # else
122 #  ifdef TARGET_ASM_NAMED_SECTION
123 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
124 #  else
125 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
126 #  endif
127 # endif
128 #endif
129
130 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
131 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
132
133 #if !defined(TARGET_HAVE_CTORS_DTORS)
134 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
135 # define TARGET_HAVE_CTORS_DTORS true
136 # else
137 # define TARGET_HAVE_CTORS_DTORS false
138 # define TARGET_ASM_CONSTRUCTOR NULL
139 # define TARGET_ASM_DESTRUCTOR NULL
140 # endif
141 #endif
142
143 #ifndef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
144 #define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS false
145 #endif
146
147 #ifndef TARGET_ASM_INIT_SECTIONS
148 #define TARGET_ASM_INIT_SECTIONS hook_void_void
149 #endif
150
151 #ifdef TARGET_ASM_NAMED_SECTION
152 #define TARGET_HAVE_NAMED_SECTIONS true
153 #else
154 #define TARGET_ASM_NAMED_SECTION default_no_named_section
155 #define TARGET_HAVE_NAMED_SECTIONS false
156 #endif
157
158 #ifndef TARGET_INVALID_WITHIN_DOLOOP
159 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
160 #endif
161
162 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
163 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_tree_true
164 #endif
165
166 #ifndef TARGET_HAVE_TLS
167 #define TARGET_HAVE_TLS false
168 #endif
169
170 #ifndef TARGET_HAVE_SRODATA_SECTION
171 #define TARGET_HAVE_SRODATA_SECTION false
172 #endif
173
174 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
175 #ifdef EH_FRAME_SECTION_NAME
176 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
177 #else
178 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
179 #endif
180 #endif
181
182 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
183
184 #ifndef TARGET_ASM_FILE_START
185 #define TARGET_ASM_FILE_START default_file_start
186 #endif
187
188 #ifndef TARGET_ASM_FILE_END
189 #define TARGET_ASM_FILE_END hook_void_void
190 #endif
191
192 #ifndef TARGET_EXTRA_LIVE_ON_ENTRY
193 #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap
194 #endif
195
196 #ifndef TARGET_ASM_FILE_START_APP_OFF
197 #define TARGET_ASM_FILE_START_APP_OFF false
198 #endif
199
200 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
201 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
202 #endif
203
204 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
205 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
206 #endif
207
208 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
209 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
210 #endif
211
212 #ifndef TARGET_ASM_OUTPUT_ANCHOR
213 #ifdef ASM_OUTPUT_DEF
214 #define TARGET_ASM_OUTPUT_ANCHOR default_asm_output_anchor
215 #else
216 #define TARGET_ASM_OUTPUT_ANCHOR NULL
217 #endif
218 #endif
219
220 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
221 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
222 #endif
223
224 #define TARGET_ASM_ALIGNED_INT_OP                               \
225                        {TARGET_ASM_ALIGNED_HI_OP,               \
226                         TARGET_ASM_ALIGNED_SI_OP,               \
227                         TARGET_ASM_ALIGNED_DI_OP,               \
228                         TARGET_ASM_ALIGNED_TI_OP}
229
230 #define TARGET_ASM_UNALIGNED_INT_OP                             \
231                        {TARGET_ASM_UNALIGNED_HI_OP,             \
232                         TARGET_ASM_UNALIGNED_SI_OP,             \
233                         TARGET_ASM_UNALIGNED_DI_OP,             \
234                         TARGET_ASM_UNALIGNED_TI_OP}
235
236 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
237                         TARGET_ASM_CLOSE_PAREN,                 \
238                         TARGET_ASM_BYTE_OP,                     \
239                         TARGET_ASM_ALIGNED_INT_OP,              \
240                         TARGET_ASM_UNALIGNED_INT_OP,            \
241                         TARGET_ASM_INTEGER,                     \
242                         TARGET_ASM_GLOBALIZE_LABEL,             \
243                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
244                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
245                         TARGET_UNWIND_EMIT,                     \
246                         TARGET_ASM_INTERNAL_LABEL,              \
247                         TARGET_ASM_TTYPE,                       \
248                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
249                         TARGET_ASM_FUNCTION_PROLOGUE,           \
250                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
251                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
252                         TARGET_ASM_FUNCTION_EPILOGUE,           \
253                         TARGET_ASM_INIT_SECTIONS,               \
254                         TARGET_ASM_NAMED_SECTION,               \
255                         TARGET_ASM_SELECT_SECTION,              \
256                         TARGET_ASM_SELECT_RTX_SECTION,          \
257                         TARGET_ASM_UNIQUE_SECTION,              \
258                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
259                         TARGET_ASM_CONSTRUCTOR,                 \
260                         TARGET_ASM_DESTRUCTOR,                  \
261                         TARGET_ASM_OUTPUT_MI_THUNK,             \
262                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
263                         TARGET_ASM_FILE_START,                  \
264                         TARGET_ASM_FILE_END,                    \
265                         TARGET_ASM_EXTERNAL_LIBCALL,            \
266                         TARGET_ASM_MARK_DECL_PRESERVED,         \
267                         TARGET_ASM_OUTPUT_ANCHOR,               \
268                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
269
270 /* Scheduler hooks.  All of these default to null pointers, which
271    haifa-sched.c looks for and handles.  */
272 #define TARGET_SCHED_ADJUST_COST 0
273 #define TARGET_SCHED_ADJUST_PRIORITY 0
274 #define TARGET_SCHED_ISSUE_RATE 0
275 #define TARGET_SCHED_VARIABLE_ISSUE 0
276 #define TARGET_SCHED_INIT 0
277 #define TARGET_SCHED_FINISH 0
278 #define TARGET_SCHED_INIT_GLOBAL 0
279 #define TARGET_SCHED_FINISH_GLOBAL 0
280 #define TARGET_SCHED_REORDER 0
281 #define TARGET_SCHED_REORDER2 0
282 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
283 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
284 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
285 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
286 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
287 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
288 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
289 #define TARGET_SCHED_DFA_NEW_CYCLE 0
290 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
291 #define TARGET_SCHED_ADJUST_COST_2 0
292 #define TARGET_SCHED_H_I_D_EXTENDED 0
293 #define TARGET_SCHED_SPECULATE_INSN 0
294 #define TARGET_SCHED_NEEDS_BLOCK_P 0
295 #define TARGET_SCHED_GEN_CHECK 0
296 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC 0
297 #define TARGET_SCHED_SET_SCHED_FLAGS 0
298
299
300 #define TARGET_SCHED                                            \
301   {TARGET_SCHED_ADJUST_COST,                                    \
302    TARGET_SCHED_ADJUST_PRIORITY,                                \
303    TARGET_SCHED_ISSUE_RATE,                                     \
304    TARGET_SCHED_VARIABLE_ISSUE,                                 \
305    TARGET_SCHED_INIT,                                           \
306    TARGET_SCHED_FINISH,                                         \
307    TARGET_SCHED_INIT_GLOBAL,                                    \
308    TARGET_SCHED_FINISH_GLOBAL,                                  \
309    TARGET_SCHED_REORDER,                                        \
310    TARGET_SCHED_REORDER2,                                       \
311    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
312    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
313    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
314    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
315    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
316    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
317    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
318    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
319    TARGET_SCHED_IS_COSTLY_DEPENDENCE,                           \
320    TARGET_SCHED_ADJUST_COST_2,                                  \
321    TARGET_SCHED_H_I_D_EXTENDED,                                 \
322    TARGET_SCHED_SPECULATE_INSN,                                 \
323    TARGET_SCHED_NEEDS_BLOCK_P,                                  \
324    TARGET_SCHED_GEN_CHECK,                                      \
325    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, \
326    TARGET_SCHED_SET_SCHED_FLAGS}
327
328 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
329
330 #define TARGET_VECTORIZE                                                \
331   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
332
333 #define TARGET_DEFAULT_TARGET_FLAGS 0
334
335 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
336
337 /* In except.c */
338 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
339
340 /* In tree.c.  */
341 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
342 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
343 #define TARGET_ATTRIBUTE_TABLE NULL
344
345 /* In cse.c.  */
346 #define TARGET_ADDRESS_COST default_address_cost
347
348 /* In builtins.c.  */
349 #define TARGET_INIT_BUILTINS hook_void_void
350 #define TARGET_EXPAND_BUILTIN default_expand_builtin
351 #define TARGET_EXPAND_LIBRARY_BUILTIN default_expand_library_builtin
352 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
353 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
354
355 /* In varasm.c.  */
356 #ifndef TARGET_SECTION_TYPE_FLAGS
357 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
358 #endif
359
360 #ifndef TARGET_STRIP_NAME_ENCODING
361 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
362 #endif
363
364 #ifndef TARGET_BINDS_LOCAL_P
365 #define TARGET_BINDS_LOCAL_P default_binds_local_p
366 #endif
367
368 #ifndef TARGET_SHIFT_TRUNCATION_MASK
369 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
370 #endif
371
372 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
373 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
374 #endif
375
376 #ifndef TARGET_VALID_POINTER_MODE
377 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
378 #endif
379
380 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
381 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
382 #endif
383
384 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
385 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
386 #endif
387
388 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
389 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
390 #endif
391
392 #ifndef TARGET_VECTOR_OPAQUE_P
393 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
394 #endif
395
396 /* In hooks.c.  */
397 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
398 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
399 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
400 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
401 #define TARGET_CANNOT_COPY_INSN_P NULL
402 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
403 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
404 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_rtx_false
405 #define TARGET_MIN_ANCHOR_OFFSET 0
406 #define TARGET_MAX_ANCHOR_OFFSET 0
407 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
408 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
409 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
410 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
411 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
412 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
413 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
414 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
415 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
416 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
417 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
418 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
419
420 #ifndef TARGET_INIT_LIBFUNCS
421 #define TARGET_INIT_LIBFUNCS hook_void_void
422 #endif
423
424 #ifndef TARGET_IN_SMALL_DATA_P
425 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
426 #endif
427
428 #ifndef TARGET_ENCODE_SECTION_INFO
429 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
430 #endif
431
432 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
433 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
434 #endif
435
436 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
437 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
438 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
439
440 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
441
442 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
443
444 #define TARGET_MACHINE_DEPENDENT_REORG 0
445
446 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
447
448 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
449 #define TARGET_PCH_VALID_P default_pch_valid_p
450 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
451
452 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
453
454 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
455
456 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
457
458 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
459
460 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
461
462 #define TARGET_STDARG_OPTIMIZE_HOOK 0
463
464 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
465 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
466
467 #define TARGET_ARM_EABI_UNWINDER false
468
469 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
470 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
471 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
472
473 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
474 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
475 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
476
477 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
478 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
479 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
480 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
481   default_pretend_outgoing_varargs_named
482 #define TARGET_SPLIT_COMPLEX_ARG NULL
483
484 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
485 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
486
487 #define TARGET_RELAXED_ORDERING false
488
489 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
490 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
491 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
492
493 #define TARGET_FUNCTION_VALUE default_function_value
494 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
495
496 #define TARGET_CALLS {                                          \
497    TARGET_PROMOTE_FUNCTION_ARGS,                                \
498    TARGET_PROMOTE_FUNCTION_RETURN,                              \
499    TARGET_PROMOTE_PROTOTYPES,                                   \
500    TARGET_STRUCT_VALUE_RTX,                                     \
501    TARGET_RETURN_IN_MEMORY,                                     \
502    TARGET_RETURN_IN_MSB,                                        \
503    TARGET_PASS_BY_REFERENCE,                                    \
504    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
505    TARGET_SETUP_INCOMING_VARARGS,                               \
506    TARGET_STRICT_ARGUMENT_NAMING,                               \
507    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
508    TARGET_SPLIT_COMPLEX_ARG,                                    \
509    TARGET_MUST_PASS_IN_STACK,                                   \
510    TARGET_CALLEE_COPIES,                                        \
511    TARGET_ARG_PARTIAL_BYTES,                                    \
512    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
513    TARGET_FUNCTION_VALUE,                                       \
514    TARGET_INTERNAL_ARG_POINTER                                  \
515    }
516
517 #ifndef TARGET_UNWIND_TABLES_DEFAULT
518 #define TARGET_UNWIND_TABLES_DEFAULT false
519 #endif
520
521 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
522 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
523 #endif
524
525 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
526 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
527 #endif
528
529 #ifndef TARGET_SECONDARY_RELOAD
530 #define TARGET_SECONDARY_RELOAD default_secondary_reload
531 #endif
532
533
534 /* C++ specific.  */
535 #ifndef TARGET_CXX_GUARD_TYPE
536 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
537 #endif
538
539 #ifndef TARGET_CXX_GUARD_MASK_BIT
540 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
541 #endif
542
543 #ifndef TARGET_CXX_GET_COOKIE_SIZE
544 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
545 #endif
546
547 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
548 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
549 #endif
550
551 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
552 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
553 #endif
554
555 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
556 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
557 #endif
558
559 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
560 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
561 #endif
562
563 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
564 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
565 #endif
566
567 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
568 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
569 #endif
570
571 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
572 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
573 #endif
574
575 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
576 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
577 #endif
578
579 #define TARGET_CXX                              \
580   {                                             \
581     TARGET_CXX_GUARD_TYPE,                      \
582     TARGET_CXX_GUARD_MASK_BIT,                  \
583     TARGET_CXX_GET_COOKIE_SIZE,                 \
584     TARGET_CXX_COOKIE_HAS_SIZE,                 \
585     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
586     TARGET_CXX_CDTOR_RETURNS_THIS,              \
587     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
588     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
589     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
590     TARGET_CXX_USE_AEABI_ATEXIT,                \
591     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
592   }
593
594 /* The whole shebang.  */
595 #define TARGET_INITIALIZER                      \
596 {                                               \
597   TARGET_ASM_OUT,                               \
598   TARGET_SCHED,                                 \
599   TARGET_VECTORIZE,                             \
600   TARGET_DEFAULT_TARGET_FLAGS,                  \
601   TARGET_HANDLE_OPTION,                         \
602   TARGET_EH_RETURN_FILTER_MODE,                 \
603   TARGET_MERGE_DECL_ATTRIBUTES,                 \
604   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
605   TARGET_ATTRIBUTE_TABLE,                       \
606   TARGET_COMP_TYPE_ATTRIBUTES,                  \
607   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
608   TARGET_INSERT_ATTRIBUTES,                     \
609   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
610   TARGET_MS_BITFIELD_LAYOUT_P,                  \
611   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
612   TARGET_ALIGN_ANON_BITFIELD,                   \
613   TARGET_NARROW_VOLATILE_BITFIELD,              \
614   TARGET_INIT_BUILTINS,                         \
615   TARGET_EXPAND_BUILTIN,                        \
616   TARGET_EXPAND_LIBRARY_BUILTIN,                \
617   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
618   TARGET_FOLD_BUILTIN,                          \
619   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
620   TARGET_INIT_LIBFUNCS,                         \
621   TARGET_SECTION_TYPE_FLAGS,                    \
622   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
623   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
624   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
625   TARGET_CANNOT_FORCE_CONST_MEM,                \
626   TARGET_CANNOT_COPY_INSN_P,                    \
627   TARGET_COMMUTATIVE_P,                         \
628   TARGET_DELEGITIMIZE_ADDRESS,                  \
629   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
630   TARGET_MIN_ANCHOR_OFFSET,                     \
631   TARGET_MAX_ANCHOR_OFFSET,                     \
632   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
633   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
634   TARGET_IN_SMALL_DATA_P,                       \
635   TARGET_BINDS_LOCAL_P,                         \
636   TARGET_ENCODE_SECTION_INFO,                   \
637   TARGET_STRIP_NAME_ENCODING,                   \
638   TARGET_SHIFT_TRUNCATION_MASK,                 \
639   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
640   TARGET_VALID_POINTER_MODE,                    \
641   TARGET_SCALAR_MODE_SUPPORTED_P,               \
642   TARGET_VECTOR_MODE_SUPPORTED_P,               \
643   TARGET_VECTOR_OPAQUE_P,                       \
644   TARGET_RTX_COSTS,                             \
645   TARGET_ADDRESS_COST,                          \
646   TARGET_ALLOCATE_INITIAL_VALUE,                \
647   TARGET_DWARF_REGISTER_SPAN,                   \
648   TARGET_FIXED_CONDITION_CODE_REGS,             \
649   TARGET_CC_MODES_COMPATIBLE,                   \
650   TARGET_MACHINE_DEPENDENT_REORG,               \
651   TARGET_BUILD_BUILTIN_VA_LIST,                 \
652   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
653   TARGET_GET_PCH_VALIDITY,                      \
654   TARGET_PCH_VALID_P,                           \
655   TARGET_CHECK_PCH_TARGET_FLAGS,                \
656   TARGET_DEFAULT_SHORT_ENUMS,                   \
657   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
658   TARGET_MD_ASM_CLOBBERS,                       \
659   TARGET_DWARF_CALLING_CONVENTION,              \
660   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
661   TARGET_STDARG_OPTIMIZE_HOOK,                  \
662   TARGET_STACK_PROTECT_GUARD,                   \
663   TARGET_STACK_PROTECT_FAIL,                    \
664   TARGET_INVALID_WITHIN_DOLOOP,                 \
665   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
666   TARGET_CALLS,                                 \
667   TARGET_INVALID_CONVERSION,                    \
668   TARGET_INVALID_UNARY_OP,                      \
669   TARGET_INVALID_BINARY_OP,                     \
670   TARGET_SECONDARY_RELOAD,                      \
671   TARGET_CXX,                                   \
672   TARGET_EXTRA_LIVE_ON_ENTRY,                    \
673   TARGET_UNWIND_TABLES_DEFAULT,                 \
674   TARGET_HAVE_NAMED_SECTIONS,                   \
675   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
676   TARGET_HAVE_CTORS_DTORS,                      \
677   TARGET_HAVE_TLS,                              \
678   TARGET_HAVE_SRODATA_SECTION,                  \
679   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
680   TARGET_ASM_FILE_START_APP_OFF,                \
681   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
682   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
683   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
684   TARGET_RELAXED_ORDERING,                      \
685   TARGET_ARM_EABI_UNWINDER                      \
686 }
687
688 #include "hooks.h"
689 #include "targhooks.h"