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_EMIT_UNWIND_LABEL
  68 #define TARGET_ASM_EMIT_UNWIND_LABEL default_emit_unwind_label
  69 #endif
  70
  71 #ifndef TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL
  72 #define TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL default_emit_except_table_label
  73 #endif
  74
  75 #ifndef TARGET_UNWIND_EMIT
  76 #define TARGET_UNWIND_EMIT default_unwind_emit
  77 #endif
  78
  79 #ifndef TARGET_ASM_INTERNAL_LABEL
  80 #define TARGET_ASM_INTERNAL_LABEL default_internal_label
  81 #endif
  82
  83 #ifndef TARGET_ARM_TTYPE
  84 #define TARGET_ASM_TTYPE hook_bool_rtx_false
  85 #endif
  86
  87 #ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
  88 #define TARGET_ASM_ASSEMBLE_VISIBILITY default_assemble_visibility
  89 #endif
  90
  91 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
  92 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
  93 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
  94 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
  95
  96 #ifndef TARGET_ASM_RELOC_RW_MASK
  97 #define TARGET_ASM_RELOC_RW_MASK default_reloc_rw_mask
  98 #endif
  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 #define TARGET_ASM_ALIGNED_INT_OP                               \
 235                        {TARGET_ASM_ALIGNED_HI_OP,               \
 236                         TARGET_ASM_ALIGNED_SI_OP,               \
 237                         TARGET_ASM_ALIGNED_DI_OP,               \
 238                         TARGET_ASM_ALIGNED_TI_OP}
 239
 240 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 241                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 242                         TARGET_ASM_UNALIGNED_SI_OP,             \
 243                         TARGET_ASM_UNALIGNED_DI_OP,             \
 244                         TARGET_ASM_UNALIGNED_TI_OP}
 245
 246 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 247                         TARGET_ASM_CLOSE_PAREN,                 \
 248                         TARGET_ASM_BYTE_OP,                     \
 249                         TARGET_ASM_ALIGNED_INT_OP,              \
 250                         TARGET_ASM_UNALIGNED_INT_OP,            \
 251                         TARGET_ASM_INTEGER,                     \
 252                         TARGET_ASM_GLOBALIZE_LABEL,             \
 253                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 254                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
 255                         TARGET_UNWIND_EMIT,                     \
 256                         TARGET_ASM_INTERNAL_LABEL,              \
 257                         TARGET_ASM_TTYPE,                       \
 258                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 259                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 260                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 261                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 262                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 263                         TARGET_ASM_INIT_SECTIONS,               \
 264                         TARGET_ASM_NAMED_SECTION,               \
 265                         TARGET_ASM_RELOC_RW_MASK,               \
 266                         TARGET_ASM_SELECT_SECTION,              \
 267                         TARGET_ASM_SELECT_RTX_SECTION,          \
 268                         TARGET_ASM_UNIQUE_SECTION,              \
 269                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 270                         TARGET_ASM_CONSTRUCTOR,                 \
 271                         TARGET_ASM_DESTRUCTOR,                  \
 272                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 273                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 274                         TARGET_ASM_FILE_START,                  \
 275                         TARGET_ASM_FILE_END,                    \
 276                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 277                         TARGET_ASM_MARK_DECL_PRESERVED,         \
 278                         TARGET_ASM_OUTPUT_ANCHOR,               \
 279                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
 280
 281 /* Scheduler hooks.  All of these default to null pointers, which
 282    haifa-sched.c looks for and handles.  */
 283 #define TARGET_SCHED_ADJUST_COST 0
 284 #define TARGET_SCHED_ADJUST_PRIORITY 0
 285 #define TARGET_SCHED_ISSUE_RATE 0
 286 #define TARGET_SCHED_VARIABLE_ISSUE 0
 287 #define TARGET_SCHED_INIT 0
 288 #define TARGET_SCHED_FINISH 0
 289 #define TARGET_SCHED_INIT_GLOBAL 0
 290 #define TARGET_SCHED_FINISH_GLOBAL 0
 291 #define TARGET_SCHED_REORDER 0
 292 #define TARGET_SCHED_REORDER2 0
 293 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 294 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 295 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 296 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 297 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 298 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 299 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 300 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 301 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 302 #define TARGET_SCHED_ADJUST_COST_2 0
 303 #define TARGET_SCHED_H_I_D_EXTENDED 0
 304 #define TARGET_SCHED_SPECULATE_INSN 0
 305 #define TARGET_SCHED_NEEDS_BLOCK_P 0
 306 #define TARGET_SCHED_GEN_CHECK 0
 307 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC 0
 308 #define TARGET_SCHED_SET_SCHED_FLAGS 0
 309
 310
 311 #define TARGET_SCHED                                            \
 312   {TARGET_SCHED_ADJUST_COST,                                    \
 313    TARGET_SCHED_ADJUST_PRIORITY,                                \
 314    TARGET_SCHED_ISSUE_RATE,                                     \
 315    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 316    TARGET_SCHED_INIT,                                           \
 317    TARGET_SCHED_FINISH,                                         \
 318    TARGET_SCHED_INIT_GLOBAL,                                    \
 319    TARGET_SCHED_FINISH_GLOBAL,                                  \
 320    TARGET_SCHED_REORDER,                                        \
 321    TARGET_SCHED_REORDER2,                                       \
 322    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 323    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 324    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 325    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 326    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 327    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 328    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 329    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 330    TARGET_SCHED_IS_COSTLY_DEPENDENCE,                           \
 331    TARGET_SCHED_ADJUST_COST_2,                                  \
 332    TARGET_SCHED_H_I_D_EXTENDED,                                 \
 333    TARGET_SCHED_SPECULATE_INSN,                                 \
 334    TARGET_SCHED_NEEDS_BLOCK_P,                                  \
 335    TARGET_SCHED_GEN_CHECK,                                      \
 336    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, \
 337    TARGET_SCHED_SET_SCHED_FLAGS}
 338
 339 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 340 #define TARGET_VECTOR_ALIGNMENT_REACHABLE \
 341   default_builtin_vector_alignment_reachable
 342
 343 #define TARGET_VECTORIZE                                                \
 344   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD,                              \
 345    TARGET_VECTOR_ALIGNMENT_REACHABLE}
 346
 347 #define TARGET_DEFAULT_TARGET_FLAGS 0
 348
 349 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 350
 351 /* In except.c */
 352 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 353
 354 /* In tree.c.  */
 355 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 356 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 357 #define TARGET_ATTRIBUTE_TABLE NULL
 358
 359 /* In cse.c.  */
 360 #define TARGET_ADDRESS_COST default_address_cost
 361
 362 /* In builtins.c.  */
 363 #define TARGET_INIT_BUILTINS hook_void_void
 364 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 365 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 366 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 367
 368 /* In varasm.c.  */
 369 #ifndef TARGET_SECTION_TYPE_FLAGS
 370 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 371 #endif
 372
 373 #ifndef TARGET_STRIP_NAME_ENCODING
 374 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 375 #endif
 376
 377 #ifndef TARGET_BINDS_LOCAL_P
 378 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 379 #endif
 380
 381 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 382 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 383 #endif
 384
 385 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
 386 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
 387 #endif
 388
 389 #ifndef TARGET_MODE_REP_EXTENDED
 390 #define TARGET_MODE_REP_EXTENDED default_mode_rep_extended
 391 #endif
 392
 393 #ifndef TARGET_VALID_POINTER_MODE
 394 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 395 #endif
 396
 397 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 398 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 399 #endif
 400
 401 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
 402 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
 403 #endif
 404
 405 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 406 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 407 #endif
 408
 409 #ifndef TARGET_VECTOR_OPAQUE_P
 410 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 411 #endif
 412
 413 /* In hooks.c.  */
 414 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 415 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 416 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 417 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 418 #define TARGET_CANNOT_COPY_INSN_P NULL
 419 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
 420 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 421 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_rtx_false
 422 #define TARGET_MIN_ANCHOR_OFFSET 0
 423 #define TARGET_MAX_ANCHOR_OFFSET 0
 424 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
 425 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 426 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 427 #ifndef TARGET_SET_DEFAULT_TYPE_ATTRIBUTES
 428 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 429 #endif
 430 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 431 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 432 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 433 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 434 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
 435 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 436 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 437 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
 438
 439 #ifndef TARGET_INIT_LIBFUNCS
 440 #define TARGET_INIT_LIBFUNCS hook_void_void
 441 #endif
 442
 443 #ifndef TARGET_IN_SMALL_DATA_P
 444 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 445 #endif
 446
 447 #ifndef TARGET_ENCODE_SECTION_INFO
 448 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 449 #endif
 450
 451 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 452 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 453 #endif
 454
 455 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
 456 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
 457 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
 458
 459 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 460
 461 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 462
 463 #define TARGET_MACHINE_DEPENDENT_REORG 0
 464
 465 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 466
 467 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 468 #define TARGET_PCH_VALID_P default_pch_valid_p
 469 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 470
 471 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 472
 473 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 474
 475 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 476
 477 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 478
 479 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 480
 481 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 482
 483 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
 484 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
 485
 486 #define TARGET_ARM_EABI_UNWINDER false
 487
 488 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 489 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 490 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 491
 492 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 493 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 494 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 495
 496 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 497 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 498 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 499 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 500   default_pretend_outgoing_varargs_named
 501 #define TARGET_SPLIT_COMPLEX_ARG NULL
 502
 503 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 504 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 505
 506 #define TARGET_RELAXED_ORDERING false
 507
 508 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 509 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 510 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 511
 512 #define TARGET_FUNCTION_VALUE default_function_value
 513 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
 514
 515 #define TARGET_CALLS {                                          \
 516    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 517    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 518    TARGET_PROMOTE_PROTOTYPES,                                   \
 519    TARGET_STRUCT_VALUE_RTX,                                     \
 520    TARGET_RETURN_IN_MEMORY,                                     \
 521    TARGET_RETURN_IN_MSB,                                        \
 522    TARGET_PASS_BY_REFERENCE,                                    \
 523    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 524    TARGET_SETUP_INCOMING_VARARGS,                               \
 525    TARGET_STRICT_ARGUMENT_NAMING,                               \
 526    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 527    TARGET_SPLIT_COMPLEX_ARG,                                    \
 528    TARGET_MUST_PASS_IN_STACK,                                   \
 529    TARGET_CALLEE_COPIES,                                        \
 530    TARGET_ARG_PARTIAL_BYTES,                                    \
 531    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
 532    TARGET_FUNCTION_VALUE,                                       \
 533    TARGET_INTERNAL_ARG_POINTER                                  \
 534    }
 535
 536 #ifndef TARGET_UNWIND_TABLES_DEFAULT
 537 #define TARGET_UNWIND_TABLES_DEFAULT false
 538 #endif
 539
 540 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 541 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 542 #endif
 543
 544 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 545 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 546 #endif
 547
 548 #ifndef TARGET_SECONDARY_RELOAD
 549 #define TARGET_SECONDARY_RELOAD default_secondary_reload
 550 #endif
 551
 552
 553 /* C++ specific.  */
 554 #ifndef TARGET_CXX_GUARD_TYPE
 555 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 556 #endif
 557
 558 #ifndef TARGET_CXX_GUARD_MASK_BIT
 559 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 560 #endif
 561
 562 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 563 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 564 #endif
 565
 566 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 567 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 568 #endif
 569
 570 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 571 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 572 #endif
 573
 574 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 575 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 576 #endif
 577
 578 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 579 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 580 #endif
 581
 582 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 583 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 584 #endif
 585
 586 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 587 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 588 #endif
 589
 590 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 591 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 592 #endif
 593
 594 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
 595 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
 596 #endif
 597
 598 #define TARGET_CXX                              \
 599   {                                             \
 600     TARGET_CXX_GUARD_TYPE,                      \
 601     TARGET_CXX_GUARD_MASK_BIT,                  \
 602     TARGET_CXX_GET_COOKIE_SIZE,                 \
 603     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 604     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 605     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 606     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 607     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 608     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 609     TARGET_CXX_USE_AEABI_ATEXIT,                \
 610     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
 611   }
 612
 613 /* The whole shebang.  */
 614 #define TARGET_INITIALIZER                      \
 615 {                                               \
 616   TARGET_ASM_OUT,                               \
 617   TARGET_SCHED,                                 \
 618   TARGET_VECTORIZE,                             \
 619   TARGET_DEFAULT_TARGET_FLAGS,                  \
 620   TARGET_HANDLE_OPTION,                         \
 621   TARGET_EH_RETURN_FILTER_MODE,                 \
 622   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 623   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 624   TARGET_ATTRIBUTE_TABLE,                       \
 625   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 626   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 627   TARGET_INSERT_ATTRIBUTES,                     \
 628   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 629   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 630   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
 631   TARGET_ALIGN_ANON_BITFIELD,                   \
 632   TARGET_NARROW_VOLATILE_BITFIELD,              \
 633   TARGET_INIT_BUILTINS,                         \
 634   TARGET_EXPAND_BUILTIN,                        \
 635   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 636   TARGET_FOLD_BUILTIN,                          \
 637   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 638   TARGET_INIT_LIBFUNCS,                         \
 639   TARGET_SECTION_TYPE_FLAGS,                    \
 640   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 641   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 642   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 643   TARGET_CANNOT_FORCE_CONST_MEM,                \
 644   TARGET_CANNOT_COPY_INSN_P,                    \
 645   TARGET_COMMUTATIVE_P,                         \
 646   TARGET_DELEGITIMIZE_ADDRESS,                  \
 647   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
 648   TARGET_MIN_ANCHOR_OFFSET,                     \
 649   TARGET_MAX_ANCHOR_OFFSET,                     \
 650   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
 651   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 652   TARGET_IN_SMALL_DATA_P,                       \
 653   TARGET_BINDS_LOCAL_P,                         \
 654   TARGET_ENCODE_SECTION_INFO,                   \
 655   TARGET_STRIP_NAME_ENCODING,                   \
 656   TARGET_SHIFT_TRUNCATION_MASK,                 \
 657   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
 658   TARGET_MODE_REP_EXTENDED,                     \
 659   TARGET_VALID_POINTER_MODE,                    \
 660   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 661   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 662   TARGET_VECTOR_OPAQUE_P,                       \
 663   TARGET_RTX_COSTS,                             \
 664   TARGET_ADDRESS_COST,                          \
 665   TARGET_ALLOCATE_INITIAL_VALUE,                \
 666   TARGET_DWARF_REGISTER_SPAN,                   \
 667   TARGET_FIXED_CONDITION_CODE_REGS,             \
 668   TARGET_CC_MODES_COMPATIBLE,                   \
 669   TARGET_MACHINE_DEPENDENT_REORG,               \
 670   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 671   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 672   TARGET_GET_PCH_VALIDITY,                      \
 673   TARGET_PCH_VALID_P,                           \
 674   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 675   TARGET_DEFAULT_SHORT_ENUMS,                   \
 676   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 677   TARGET_MD_ASM_CLOBBERS,                       \
 678   TARGET_DWARF_CALLING_CONVENTION,              \
 679   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 680   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 681   TARGET_STACK_PROTECT_GUARD,                   \
 682   TARGET_STACK_PROTECT_FAIL,                    \
 683   TARGET_INVALID_WITHIN_DOLOOP,                 \
 684   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
 685   TARGET_CALLS,                                 \
 686   TARGET_INVALID_CONVERSION,                    \
 687   TARGET_INVALID_UNARY_OP,                      \
 688   TARGET_INVALID_BINARY_OP,                     \
 689   TARGET_SECONDARY_RELOAD,                      \
 690   TARGET_CXX,                                   \
 691   TARGET_EXTRA_LIVE_ON_ENTRY,                    \
 692   TARGET_UNWIND_TABLES_DEFAULT,                 \
 693   TARGET_HAVE_NAMED_SECTIONS,                   \
 694   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
 695   TARGET_HAVE_CTORS_DTORS,                      \
 696   TARGET_HAVE_TLS,                              \
 697   TARGET_HAVE_SRODATA_SECTION,                  \
 698   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 699   TARGET_ASM_FILE_START_APP_OFF,                \
 700   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 701   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 702   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 703   TARGET_RELAXED_ORDERING,                      \
 704   TARGET_ARM_EABI_UNWINDER                      \
 705 }
 706
 707 #include "hooks.h"
 708 #include "targhooks.h"