OSDN Git Service

* gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
[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
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 2, 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; if not, write to the Free Software
17 Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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_SELECT_SECTION
101 #define TARGET_ASM_SELECT_SECTION default_select_section
102 #endif
103
104 #ifndef TARGET_ASM_UNIQUE_SECTION
105 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
106 #endif
107
108 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
109 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
110 #endif
111
112 #ifndef TARGET_ASM_SELECT_RTX_SECTION
113 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
114 #endif
115
116 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
117 # ifdef CTORS_SECTION_ASM_OP
118 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
119 # else
120 #  ifdef TARGET_ASM_NAMED_SECTION
121 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
122 #  else
123 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
124 #  endif
125 # endif
126 #endif
127
128 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
129 # ifdef DTORS_SECTION_ASM_OP
130 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
131 # else
132 #  ifdef TARGET_ASM_NAMED_SECTION
133 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
134 #  else
135 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
136 #  endif
137 # endif
138 #endif
139
140 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
141 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_tree_hwi_hwi_tree_false
142
143 #if !defined(TARGET_HAVE_CTORS_DTORS)
144 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
145 # define TARGET_HAVE_CTORS_DTORS true
146 # else
147 # define TARGET_HAVE_CTORS_DTORS false
148 # define TARGET_ASM_CONSTRUCTOR NULL
149 # define TARGET_ASM_DESTRUCTOR NULL
150 # endif
151 #endif
152
153 #ifndef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
154 #define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS false
155 #endif
156
157 #ifndef TARGET_ASM_INIT_SECTIONS
158 #define TARGET_ASM_INIT_SECTIONS hook_void_void
159 #endif
160
161 #ifdef TARGET_ASM_NAMED_SECTION
162 #define TARGET_HAVE_NAMED_SECTIONS true
163 #else
164 #define TARGET_ASM_NAMED_SECTION default_no_named_section
165 #define TARGET_HAVE_NAMED_SECTIONS false
166 #endif
167
168 #ifndef TARGET_INVALID_WITHIN_DOLOOP
169 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
170 #endif
171
172 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
173 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_tree_true
174 #endif
175
176 #ifndef TARGET_HAVE_TLS
177 #define TARGET_HAVE_TLS false
178 #endif
179
180 #ifndef TARGET_HAVE_SRODATA_SECTION
181 #define TARGET_HAVE_SRODATA_SECTION false
182 #endif
183
184 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
185 #ifdef EH_FRAME_SECTION_NAME
186 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
187 #else
188 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
189 #endif
190 #endif
191
192 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
193
194 #ifndef TARGET_ASM_FILE_START
195 #define TARGET_ASM_FILE_START default_file_start
196 #endif
197
198 #ifndef TARGET_ASM_FILE_END
199 #define TARGET_ASM_FILE_END hook_void_void
200 #endif
201
202 #ifndef TARGET_EXTRA_LIVE_ON_ENTRY
203 #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap
204 #endif
205
206 #ifndef TARGET_ASM_FILE_START_APP_OFF
207 #define TARGET_ASM_FILE_START_APP_OFF false
208 #endif
209
210 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
211 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
212 #endif
213
214 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
215 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
216 #endif
217
218 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
219 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
220 #endif
221
222 #ifndef TARGET_ASM_OUTPUT_ANCHOR
223 #ifdef ASM_OUTPUT_DEF
224 #define TARGET_ASM_OUTPUT_ANCHOR default_asm_output_anchor
225 #else
226 #define TARGET_ASM_OUTPUT_ANCHOR NULL
227 #endif
228 #endif
229
230 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
231 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
232 #endif
233
234 #ifndef TARGET_ASM_RECORD_GCC_SWITCHES
235 #define TARGET_ASM_RECORD_GCC_SWITCHES NULL
236 #endif
237 #ifndef TARGET_ASM_RECORD_GCC_SWITCHES_SECTION
238 #define TARGET_ASM_RECORD_GCC_SWITCHES_SECTION ".GCC.command.line"
239 #endif
240
241 #define TARGET_ASM_ALIGNED_INT_OP                               \
242                        {TARGET_ASM_ALIGNED_HI_OP,               \
243                         TARGET_ASM_ALIGNED_SI_OP,               \
244                         TARGET_ASM_ALIGNED_DI_OP,               \
245                         TARGET_ASM_ALIGNED_TI_OP}
246
247 #define TARGET_ASM_UNALIGNED_INT_OP                             \
248                        {TARGET_ASM_UNALIGNED_HI_OP,             \
249                         TARGET_ASM_UNALIGNED_SI_OP,             \
250                         TARGET_ASM_UNALIGNED_DI_OP,             \
251                         TARGET_ASM_UNALIGNED_TI_OP}
252
253 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
254                         TARGET_ASM_CLOSE_PAREN,                 \
255                         TARGET_ASM_BYTE_OP,                     \
256                         TARGET_ASM_ALIGNED_INT_OP,              \
257                         TARGET_ASM_UNALIGNED_INT_OP,            \
258                         TARGET_ASM_INTEGER,                     \
259                         TARGET_ASM_GLOBALIZE_LABEL,             \
260                         TARGET_ASM_GLOBALIZE_DECL_NAME,         \
261                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
262                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
263                         TARGET_UNWIND_EMIT,                     \
264                         TARGET_ASM_INTERNAL_LABEL,              \
265                         TARGET_ASM_TTYPE,                       \
266                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
267                         TARGET_ASM_FUNCTION_PROLOGUE,           \
268                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
269                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
270                         TARGET_ASM_FUNCTION_EPILOGUE,           \
271                         TARGET_ASM_INIT_SECTIONS,               \
272                         TARGET_ASM_NAMED_SECTION,               \
273                         TARGET_ASM_SELECT_SECTION,              \
274                         TARGET_ASM_SELECT_RTX_SECTION,          \
275                         TARGET_ASM_UNIQUE_SECTION,              \
276                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
277                         TARGET_ASM_CONSTRUCTOR,                 \
278                         TARGET_ASM_DESTRUCTOR,                  \
279                         TARGET_ASM_OUTPUT_MI_THUNK,             \
280                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
281                         TARGET_ASM_FILE_START,                  \
282                         TARGET_ASM_FILE_END,                    \
283                         TARGET_ASM_EXTERNAL_LIBCALL,            \
284                         TARGET_ASM_MARK_DECL_PRESERVED,         \
285                         TARGET_ASM_RECORD_GCC_SWITCHES,         \
286                         TARGET_ASM_RECORD_GCC_SWITCHES_SECTION, \
287                         TARGET_ASM_OUTPUT_ANCHOR,               \
288                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
289
290 /* Scheduler hooks.  All of these default to null pointers, which
291    haifa-sched.c looks for and handles.  */
292 #define TARGET_SCHED_ADJUST_COST 0
293 #define TARGET_SCHED_ADJUST_PRIORITY 0
294 #define TARGET_SCHED_ISSUE_RATE 0
295 #define TARGET_SCHED_VARIABLE_ISSUE 0
296 #define TARGET_SCHED_INIT 0
297 #define TARGET_SCHED_FINISH 0
298 #define TARGET_SCHED_INIT_GLOBAL 0
299 #define TARGET_SCHED_FINISH_GLOBAL 0
300 #define TARGET_SCHED_REORDER 0
301 #define TARGET_SCHED_REORDER2 0
302 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
303 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
304 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
305 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
306 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
307 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
308 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
309 #define TARGET_SCHED_DFA_NEW_CYCLE 0
310 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
311 #define TARGET_SCHED_H_I_D_EXTENDED 0
312 #define TARGET_SCHED_SPECULATE_INSN 0
313 #define TARGET_SCHED_NEEDS_BLOCK_P 0
314 #define TARGET_SCHED_GEN_CHECK 0
315 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC 0
316 #define TARGET_SCHED_SET_SCHED_FLAGS 0
317
318
319 #define TARGET_SCHED                                            \
320   {TARGET_SCHED_ADJUST_COST,                                    \
321    TARGET_SCHED_ADJUST_PRIORITY,                                \
322    TARGET_SCHED_ISSUE_RATE,                                     \
323    TARGET_SCHED_VARIABLE_ISSUE,                                 \
324    TARGET_SCHED_INIT,                                           \
325    TARGET_SCHED_FINISH,                                         \
326    TARGET_SCHED_INIT_GLOBAL,                                    \
327    TARGET_SCHED_FINISH_GLOBAL,                                  \
328    TARGET_SCHED_REORDER,                                        \
329    TARGET_SCHED_REORDER2,                                       \
330    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
331    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
332    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
333    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
334    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
335    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
336    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
337    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
338    TARGET_SCHED_IS_COSTLY_DEPENDENCE,                           \
339    TARGET_SCHED_H_I_D_EXTENDED,                                 \
340    TARGET_SCHED_SPECULATE_INSN,                                 \
341    TARGET_SCHED_NEEDS_BLOCK_P,                                  \
342    TARGET_SCHED_GEN_CHECK,                                      \
343    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, \
344    TARGET_SCHED_SET_SCHED_FLAGS}
345
346 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
347 #define TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION default_builtin_vectorized_function
348 #define TARGET_VECTORIZE_BUILTIN_CONVERSION default_builtin_vectorized_conversion
349 #define TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN 0
350 #define TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD 0
351
352 #define TARGET_VECTORIZE                                                \
353   {                                                                     \
354     TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD,                             \
355     TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION,                       \
356     TARGET_VECTORIZE_BUILTIN_CONVERSION,                                \
357     TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN,                            \
358     TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD                              \
359   }
360
361 #define TARGET_DEFAULT_TARGET_FLAGS 0
362
363 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
364
365 /* In except.c */
366 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
367
368 /* In tree.c.  */
369 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
370 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
371 #define TARGET_ATTRIBUTE_TABLE NULL
372
373 /* In cse.c.  */
374 #define TARGET_ADDRESS_COST default_address_cost
375
376 /* In builtins.c.  */
377 #define TARGET_INIT_BUILTINS hook_void_void
378 #define TARGET_EXPAND_BUILTIN default_expand_builtin
379 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
380 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
381
382 /* In varasm.c.  */
383 #ifndef TARGET_SECTION_TYPE_FLAGS
384 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
385 #endif
386
387 #ifndef TARGET_STRIP_NAME_ENCODING
388 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
389 #endif
390
391 #ifndef TARGET_BINDS_LOCAL_P
392 #define TARGET_BINDS_LOCAL_P default_binds_local_p
393 #endif
394
395 #ifndef TARGET_SHIFT_TRUNCATION_MASK
396 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
397 #endif
398
399 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
400 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
401 #endif
402
403 #ifndef TARGET_MODE_REP_EXTENDED
404 #define TARGET_MODE_REP_EXTENDED default_mode_rep_extended
405 #endif
406
407 #ifndef TARGET_VALID_POINTER_MODE
408 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
409 #endif
410
411 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
412 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
413 #endif
414
415 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
416 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
417 #endif
418
419 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
420 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
421 #endif
422
423 #ifndef TARGET_VECTOR_OPAQUE_P
424 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
425 #endif
426
427 /* In hooks.c.  */
428 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
429 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
430 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
431 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
432 #define TARGET_CANNOT_COPY_INSN_P NULL
433 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
434 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
435 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_rtx_false
436 #define TARGET_MIN_ANCHOR_OFFSET 0
437 #define TARGET_MAX_ANCHOR_OFFSET 0
438 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
439 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
440 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
441 #ifndef TARGET_SET_DEFAULT_TYPE_ATTRIBUTES
442 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
443 #endif
444 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
445 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
446 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
447 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
448 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
449 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
450 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
451 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
452
453 #ifndef TARGET_INIT_LIBFUNCS
454 #define TARGET_INIT_LIBFUNCS hook_void_void
455 #endif
456
457 #ifndef TARGET_IN_SMALL_DATA_P
458 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
459 #endif
460
461 #ifndef TARGET_ENCODE_SECTION_INFO
462 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
463 #endif
464
465 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
466 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
467 #endif
468
469 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
470 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
471 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
472
473 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
474
475 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
476
477 #define TARGET_MACHINE_DEPENDENT_REORG 0
478
479 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
480
481 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
482 #define TARGET_PCH_VALID_P default_pch_valid_p
483 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
484
485 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
486
487 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
488
489 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
490
491 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
492
493 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
494
495 #define TARGET_STDARG_OPTIMIZE_HOOK 0
496
497 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
498 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
499
500 #define TARGET_ARM_EABI_UNWINDER false
501
502 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
503 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
504 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
505
506 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
507 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
508 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
509
510 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
511 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
512 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
513 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
514   default_pretend_outgoing_varargs_named
515 #define TARGET_SPLIT_COMPLEX_ARG NULL
516
517 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
518 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
519
520 #define TARGET_RELAXED_ORDERING false
521
522 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
523 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
524 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
525
526 #define TARGET_FUNCTION_VALUE default_function_value
527 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
528
529 #define TARGET_CALLS {                                          \
530    TARGET_PROMOTE_FUNCTION_ARGS,                                \
531    TARGET_PROMOTE_FUNCTION_RETURN,                              \
532    TARGET_PROMOTE_PROTOTYPES,                                   \
533    TARGET_STRUCT_VALUE_RTX,                                     \
534    TARGET_RETURN_IN_MEMORY,                                     \
535    TARGET_RETURN_IN_MSB,                                        \
536    TARGET_PASS_BY_REFERENCE,                                    \
537    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
538    TARGET_SETUP_INCOMING_VARARGS,                               \
539    TARGET_STRICT_ARGUMENT_NAMING,                               \
540    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
541    TARGET_SPLIT_COMPLEX_ARG,                                    \
542    TARGET_MUST_PASS_IN_STACK,                                   \
543    TARGET_CALLEE_COPIES,                                        \
544    TARGET_ARG_PARTIAL_BYTES,                                    \
545    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
546    TARGET_FUNCTION_VALUE,                                       \
547    TARGET_INTERNAL_ARG_POINTER                                  \
548    }
549
550 #ifndef TARGET_UNWIND_TABLES_DEFAULT
551 #define TARGET_UNWIND_TABLES_DEFAULT false
552 #endif
553
554 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
555 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
556 #endif
557
558 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
559 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
560 #endif
561
562 #ifndef TARGET_SECONDARY_RELOAD
563 #define TARGET_SECONDARY_RELOAD default_secondary_reload
564 #endif
565
566
567 /* C++ specific.  */
568 #ifndef TARGET_CXX_GUARD_TYPE
569 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
570 #endif
571
572 #ifndef TARGET_CXX_GUARD_MASK_BIT
573 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
574 #endif
575
576 #ifndef TARGET_CXX_GET_COOKIE_SIZE
577 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
578 #endif
579
580 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
581 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
582 #endif
583
584 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
585 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
586 #endif
587
588 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
589 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
590 #endif
591
592 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
593 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
594 #endif
595
596 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
597 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
598 #endif
599
600 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
601 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
602 #endif
603
604 #ifndef TARGET_CXX_LIBRARY_RTTI_COMDAT
605 #define TARGET_CXX_LIBRARY_RTTI_COMDAT hook_bool_void_true
606 #endif
607
608 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
609 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
610 #endif
611
612 #ifndef TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT
613 #define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_false
614 #endif
615
616 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
617 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
618 #endif
619
620 #define TARGET_CXX                              \
621   {                                             \
622     TARGET_CXX_GUARD_TYPE,                      \
623     TARGET_CXX_GUARD_MASK_BIT,                  \
624     TARGET_CXX_GET_COOKIE_SIZE,                 \
625     TARGET_CXX_COOKIE_HAS_SIZE,                 \
626     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
627     TARGET_CXX_CDTOR_RETURNS_THIS,              \
628     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
629     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
630     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
631     TARGET_CXX_LIBRARY_RTTI_COMDAT,             \
632     TARGET_CXX_USE_AEABI_ATEXIT,                \
633     TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT,       \
634     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
635   }
636
637 /* The whole shebang.  */
638 #define TARGET_INITIALIZER                      \
639 {                                               \
640   TARGET_ASM_OUT,                               \
641   TARGET_SCHED,                                 \
642   TARGET_VECTORIZE,                             \
643   TARGET_DEFAULT_TARGET_FLAGS,                  \
644   TARGET_HANDLE_OPTION,                         \
645   TARGET_EH_RETURN_FILTER_MODE,                 \
646   TARGET_MERGE_DECL_ATTRIBUTES,                 \
647   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
648   TARGET_ATTRIBUTE_TABLE,                       \
649   TARGET_COMP_TYPE_ATTRIBUTES,                  \
650   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
651   TARGET_INSERT_ATTRIBUTES,                     \
652   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
653   TARGET_MS_BITFIELD_LAYOUT_P,                  \
654   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
655   TARGET_ALIGN_ANON_BITFIELD,                   \
656   TARGET_NARROW_VOLATILE_BITFIELD,              \
657   TARGET_INIT_BUILTINS,                         \
658   TARGET_EXPAND_BUILTIN,                        \
659   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
660   TARGET_FOLD_BUILTIN,                          \
661   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
662   TARGET_INIT_LIBFUNCS,                         \
663   TARGET_SECTION_TYPE_FLAGS,                    \
664   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
665   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
666   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
667   TARGET_CANNOT_FORCE_CONST_MEM,                \
668   TARGET_CANNOT_COPY_INSN_P,                    \
669   TARGET_COMMUTATIVE_P,                         \
670   TARGET_DELEGITIMIZE_ADDRESS,                  \
671   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
672   TARGET_MIN_ANCHOR_OFFSET,                     \
673   TARGET_MAX_ANCHOR_OFFSET,                     \
674   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
675   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
676   TARGET_IN_SMALL_DATA_P,                       \
677   TARGET_BINDS_LOCAL_P,                         \
678   TARGET_ENCODE_SECTION_INFO,                   \
679   TARGET_STRIP_NAME_ENCODING,                   \
680   TARGET_SHIFT_TRUNCATION_MASK,                 \
681   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
682   TARGET_MODE_REP_EXTENDED,                     \
683   TARGET_VALID_POINTER_MODE,                    \
684   TARGET_SCALAR_MODE_SUPPORTED_P,               \
685   TARGET_VECTOR_MODE_SUPPORTED_P,               \
686   TARGET_VECTOR_OPAQUE_P,                       \
687   TARGET_RTX_COSTS,                             \
688   TARGET_ADDRESS_COST,                          \
689   TARGET_ALLOCATE_INITIAL_VALUE,                \
690   TARGET_DWARF_REGISTER_SPAN,                   \
691   TARGET_FIXED_CONDITION_CODE_REGS,             \
692   TARGET_CC_MODES_COMPATIBLE,                   \
693   TARGET_MACHINE_DEPENDENT_REORG,               \
694   TARGET_BUILD_BUILTIN_VA_LIST,                 \
695   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
696   TARGET_GET_PCH_VALIDITY,                      \
697   TARGET_PCH_VALID_P,                           \
698   TARGET_CHECK_PCH_TARGET_FLAGS,                \
699   TARGET_DEFAULT_SHORT_ENUMS,                   \
700   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
701   TARGET_MD_ASM_CLOBBERS,                       \
702   TARGET_DWARF_CALLING_CONVENTION,              \
703   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
704   TARGET_STDARG_OPTIMIZE_HOOK,                  \
705   TARGET_STACK_PROTECT_GUARD,                   \
706   TARGET_STACK_PROTECT_FAIL,                    \
707   TARGET_INVALID_WITHIN_DOLOOP,                 \
708   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
709   TARGET_CALLS,                                 \
710   TARGET_INVALID_CONVERSION,                    \
711   TARGET_INVALID_UNARY_OP,                      \
712   TARGET_INVALID_BINARY_OP,                     \
713   TARGET_SECONDARY_RELOAD,                      \
714   TARGET_CXX,                                   \
715   TARGET_EXTRA_LIVE_ON_ENTRY,                    \
716   TARGET_UNWIND_TABLES_DEFAULT,                 \
717   TARGET_HAVE_NAMED_SECTIONS,                   \
718   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
719   TARGET_HAVE_CTORS_DTORS,                      \
720   TARGET_HAVE_TLS,                              \
721   TARGET_HAVE_SRODATA_SECTION,                  \
722   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
723   TARGET_ASM_FILE_START_APP_OFF,                \
724   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
725   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
726   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
727   TARGET_RELAXED_ORDERING,                      \
728   TARGET_ARM_EABI_UNWINDER                      \
729 }
730
731 #include "hooks.h"
732 #include "targhooks.h"