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_ASM_INIT_SECTIONS
 144 #define TARGET_ASM_INIT_SECTIONS hook_void_void
 145 #endif
 146
 147 #ifdef TARGET_ASM_NAMED_SECTION
 148 #define TARGET_HAVE_NAMED_SECTIONS true
 149 #else
 150 #define TARGET_ASM_NAMED_SECTION default_no_named_section
 151 #define TARGET_HAVE_NAMED_SECTIONS false
 152 #endif
 153
 154 #ifndef TARGET_INVALID_WITHIN_DOLOOP
 155 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
 156 #endif
 157
 158 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
 159 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_tree_true
 160 #endif
 161
 162 #ifndef TARGET_HAVE_TLS
 163 #define TARGET_HAVE_TLS false
 164 #endif
 165
 166 #ifndef TARGET_HAVE_SRODATA_SECTION
 167 #define TARGET_HAVE_SRODATA_SECTION false
 168 #endif
 169
 170 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
 171 #ifdef EH_FRAME_SECTION_NAME
 172 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
 173 #else
 174 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
 175 #endif
 176 #endif
 177
 178 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
 179
 180 #ifndef TARGET_ASM_FILE_START
 181 #define TARGET_ASM_FILE_START default_file_start
 182 #endif
 183
 184 #ifndef TARGET_ASM_FILE_END
 185 #define TARGET_ASM_FILE_END hook_void_void
 186 #endif
 187
 188 #ifndef TARGET_EXTRA_LIVE_ON_ENTRY
 189 #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap
 190 #endif
 191
 192 #ifndef TARGET_ASM_FILE_START_APP_OFF
 193 #define TARGET_ASM_FILE_START_APP_OFF false
 194 #endif
 195
 196 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
 197 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 198 #endif
 199
 200 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
 201 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
 202 #endif
 203
 204 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
 205 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
 206 #endif
 207
 208 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
 209 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
 210 #endif
 211
 212 #define TARGET_ASM_ALIGNED_INT_OP                               \
 213                        {TARGET_ASM_ALIGNED_HI_OP,               \
 214                         TARGET_ASM_ALIGNED_SI_OP,               \
 215                         TARGET_ASM_ALIGNED_DI_OP,               \
 216                         TARGET_ASM_ALIGNED_TI_OP}
 217
 218 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 219                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 220                         TARGET_ASM_UNALIGNED_SI_OP,             \
 221                         TARGET_ASM_UNALIGNED_DI_OP,             \
 222                         TARGET_ASM_UNALIGNED_TI_OP}
 223
 224 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 225                         TARGET_ASM_CLOSE_PAREN,                 \
 226                         TARGET_ASM_BYTE_OP,                     \
 227                         TARGET_ASM_ALIGNED_INT_OP,              \
 228                         TARGET_ASM_UNALIGNED_INT_OP,            \
 229                         TARGET_ASM_INTEGER,                     \
 230                         TARGET_ASM_GLOBALIZE_LABEL,             \
 231                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 232                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
 233                         TARGET_UNWIND_EMIT,                     \
 234                         TARGET_ASM_INTERNAL_LABEL,              \
 235                         TARGET_ASM_TTYPE,                       \
 236                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 237                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 238                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 239                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 240                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 241                         TARGET_ASM_INIT_SECTIONS,               \
 242                         TARGET_ASM_NAMED_SECTION,               \
 243                         TARGET_ASM_SELECT_SECTION,              \
 244                         TARGET_ASM_SELECT_RTX_SECTION,          \
 245                         TARGET_ASM_UNIQUE_SECTION,              \
 246                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 247                         TARGET_ASM_CONSTRUCTOR,                 \
 248                         TARGET_ASM_DESTRUCTOR,                  \
 249                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 250                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 251                         TARGET_ASM_FILE_START,                  \
 252                         TARGET_ASM_FILE_END,                    \
 253                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 254                         TARGET_ASM_MARK_DECL_PRESERVED,         \
 255                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
 256
 257 /* Scheduler hooks.  All of these default to null pointers, which
 258    haifa-sched.c looks for and handles.  */
 259 #define TARGET_SCHED_ADJUST_COST 0
 260 #define TARGET_SCHED_ADJUST_PRIORITY 0
 261 #define TARGET_SCHED_ISSUE_RATE 0
 262 #define TARGET_SCHED_VARIABLE_ISSUE 0
 263 #define TARGET_SCHED_INIT 0
 264 #define TARGET_SCHED_FINISH 0
 265 #define TARGET_SCHED_INIT_GLOBAL 0
 266 #define TARGET_SCHED_FINISH_GLOBAL 0
 267 #define TARGET_SCHED_REORDER 0
 268 #define TARGET_SCHED_REORDER2 0
 269 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 270 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 271 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 272 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 273 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 274 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 275 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 276 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 277 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 278
 279 #define TARGET_SCHED                                            \
 280   {TARGET_SCHED_ADJUST_COST,                                    \
 281    TARGET_SCHED_ADJUST_PRIORITY,                                \
 282    TARGET_SCHED_ISSUE_RATE,                                     \
 283    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 284    TARGET_SCHED_INIT,                                           \
 285    TARGET_SCHED_FINISH,                                         \
 286    TARGET_SCHED_INIT_GLOBAL,                                    \
 287    TARGET_SCHED_FINISH_GLOBAL,                                  \
 288    TARGET_SCHED_REORDER,                                        \
 289    TARGET_SCHED_REORDER2,                                       \
 290    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 291    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 292    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 293    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 294    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 295    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 296    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 297    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 298    TARGET_SCHED_IS_COSTLY_DEPENDENCE}
 299
 300 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 301
 302 #define TARGET_VECTORIZE                                                \
 303   {TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD}
 304
 305 #define TARGET_DEFAULT_TARGET_FLAGS 0
 306
 307 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 308
 309 /* In except.c */
 310 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 311
 312 /* In tree.c.  */
 313 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 314 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 315 #define TARGET_ATTRIBUTE_TABLE NULL
 316
 317 /* In cse.c.  */
 318 #define TARGET_ADDRESS_COST default_address_cost
 319
 320 /* In builtins.c.  */
 321 #define TARGET_INIT_BUILTINS hook_void_void
 322 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 323 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 324 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 325
 326 /* In varasm.c.  */
 327 #ifndef TARGET_SECTION_TYPE_FLAGS
 328 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 329 #endif
 330
 331 #ifndef TARGET_STRIP_NAME_ENCODING
 332 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 333 #endif
 334
 335 #ifndef TARGET_BINDS_LOCAL_P
 336 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 337 #endif
 338
 339 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 340 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 341 #endif
 342
 343 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
 344 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
 345 #endif
 346
 347 #ifndef TARGET_VALID_POINTER_MODE
 348 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 349 #endif
 350
 351 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 352 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 353 #endif
 354
 355 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
 356 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
 357 #endif
 358
 359 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 360 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 361 #endif
 362
 363 #ifndef TARGET_VECTOR_OPAQUE_P
 364 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 365 #endif
 366
 367 /* In hooks.c.  */
 368 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 369 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 370 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 371 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 372 #define TARGET_CANNOT_COPY_INSN_P NULL
 373 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
 374 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 375 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 376 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 377 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 378 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 379 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 380 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 381 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 382 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 383 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 384 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
 385
 386 #ifndef TARGET_INIT_LIBFUNCS
 387 #define TARGET_INIT_LIBFUNCS hook_void_void
 388 #endif
 389
 390 #ifndef TARGET_IN_SMALL_DATA_P
 391 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 392 #endif
 393
 394 #ifndef TARGET_ENCODE_SECTION_INFO
 395 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 396 #endif
 397
 398 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 399 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 400 #endif
 401
 402 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
 403 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
 404 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
 405
 406 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 407
 408 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 409
 410 #define TARGET_MACHINE_DEPENDENT_REORG 0
 411
 412 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 413
 414 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 415 #define TARGET_PCH_VALID_P default_pch_valid_p
 416 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 417
 418 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 419
 420 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 421
 422 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 423
 424 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 425
 426 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 427
 428 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 429
 430 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
 431 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
 432
 433 #define TARGET_ARM_EABI_UNWINDER false
 434
 435 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 436 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 437 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 438
 439 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 440 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 441 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 442
 443 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 444 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 445 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 446 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 447   default_pretend_outgoing_varargs_named
 448 #define TARGET_SPLIT_COMPLEX_ARG NULL
 449
 450 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 451 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 452
 453 #define TARGET_RELAXED_ORDERING false
 454
 455 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 456 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 457 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 458
 459 #define TARGET_FUNCTION_VALUE default_function_value
 460 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
 461
 462 #define TARGET_CALLS {                                          \
 463    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 464    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 465    TARGET_PROMOTE_PROTOTYPES,                                   \
 466    TARGET_STRUCT_VALUE_RTX,                                     \
 467    TARGET_RETURN_IN_MEMORY,                                     \
 468    TARGET_RETURN_IN_MSB,                                        \
 469    TARGET_PASS_BY_REFERENCE,                                    \
 470    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 471    TARGET_SETUP_INCOMING_VARARGS,                               \
 472    TARGET_STRICT_ARGUMENT_NAMING,                               \
 473    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 474    TARGET_SPLIT_COMPLEX_ARG,                                    \
 475    TARGET_MUST_PASS_IN_STACK,                                   \
 476    TARGET_CALLEE_COPIES,                                        \
 477    TARGET_ARG_PARTIAL_BYTES,                                    \
 478    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
 479    TARGET_FUNCTION_VALUE,                                       \
 480    TARGET_INTERNAL_ARG_POINTER                                  \
 481    }
 482
 483 #ifndef TARGET_UNWIND_TABLES_DEFAULT
 484 #define TARGET_UNWIND_TABLES_DEFAULT false
 485 #endif
 486
 487 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 488 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 489 #endif
 490
 491 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 492 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 493 #endif
 494
 495 #ifndef TARGET_SECONDARY_RELOAD
 496 #define TARGET_SECONDARY_RELOAD default_secondary_reload
 497 #endif
 498
 499
 500 /* C++ specific.  */
 501 #ifndef TARGET_CXX_GUARD_TYPE
 502 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 503 #endif
 504
 505 #ifndef TARGET_CXX_GUARD_MASK_BIT
 506 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 507 #endif
 508
 509 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 510 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 511 #endif
 512
 513 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 514 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 515 #endif
 516
 517 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 518 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 519 #endif
 520
 521 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 522 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 523 #endif
 524
 525 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 526 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 527 #endif
 528
 529 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 530 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 531 #endif
 532
 533 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 534 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 535 #endif
 536
 537 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 538 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 539 #endif
 540
 541 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
 542 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
 543 #endif
 544
 545 #define TARGET_CXX                              \
 546   {                                             \
 547     TARGET_CXX_GUARD_TYPE,                      \
 548     TARGET_CXX_GUARD_MASK_BIT,                  \
 549     TARGET_CXX_GET_COOKIE_SIZE,                 \
 550     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 551     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 552     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 553     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 554     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 555     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 556     TARGET_CXX_USE_AEABI_ATEXIT,                \
 557     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
 558   }
 559
 560 /* The whole shebang.  */
 561 #define TARGET_INITIALIZER                      \
 562 {                                               \
 563   TARGET_ASM_OUT,                               \
 564   TARGET_SCHED,                                 \
 565   TARGET_VECTORIZE,                             \
 566   TARGET_DEFAULT_TARGET_FLAGS,                  \
 567   TARGET_HANDLE_OPTION,                         \
 568   TARGET_EH_RETURN_FILTER_MODE,                 \
 569   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 570   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 571   TARGET_ATTRIBUTE_TABLE,                       \
 572   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 573   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 574   TARGET_INSERT_ATTRIBUTES,                     \
 575   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 576   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 577   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
 578   TARGET_ALIGN_ANON_BITFIELD,                   \
 579   TARGET_INIT_BUILTINS,                         \
 580   TARGET_EXPAND_BUILTIN,                        \
 581   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 582   TARGET_FOLD_BUILTIN,                          \
 583   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 584   TARGET_INIT_LIBFUNCS,                         \
 585   TARGET_SECTION_TYPE_FLAGS,                    \
 586   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 587   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 588   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 589   TARGET_CANNOT_FORCE_CONST_MEM,                \
 590   TARGET_CANNOT_COPY_INSN_P,                    \
 591   TARGET_COMMUTATIVE_P,                         \
 592   TARGET_DELEGITIMIZE_ADDRESS,                  \
 593   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 594   TARGET_IN_SMALL_DATA_P,                       \
 595   TARGET_BINDS_LOCAL_P,                         \
 596   TARGET_ENCODE_SECTION_INFO,                   \
 597   TARGET_STRIP_NAME_ENCODING,                   \
 598   TARGET_SHIFT_TRUNCATION_MASK,                 \
 599   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
 600   TARGET_VALID_POINTER_MODE,                    \
 601   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 602   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 603   TARGET_VECTOR_OPAQUE_P,                       \
 604   TARGET_RTX_COSTS,                             \
 605   TARGET_ADDRESS_COST,                          \
 606   TARGET_ALLOCATE_INITIAL_VALUE,                \
 607   TARGET_DWARF_REGISTER_SPAN,                   \
 608   TARGET_FIXED_CONDITION_CODE_REGS,             \
 609   TARGET_CC_MODES_COMPATIBLE,                   \
 610   TARGET_MACHINE_DEPENDENT_REORG,               \
 611   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 612   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 613   TARGET_GET_PCH_VALIDITY,                      \
 614   TARGET_PCH_VALID_P,                           \
 615   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 616   TARGET_DEFAULT_SHORT_ENUMS,                   \
 617   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 618   TARGET_MD_ASM_CLOBBERS,                       \
 619   TARGET_DWARF_CALLING_CONVENTION,              \
 620   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 621   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 622   TARGET_STACK_PROTECT_GUARD,                   \
 623   TARGET_STACK_PROTECT_FAIL,                    \
 624   TARGET_INVALID_WITHIN_DOLOOP,                 \
 625   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
 626   TARGET_CALLS,                                 \
 627   TARGET_INVALID_CONVERSION,                    \
 628   TARGET_INVALID_UNARY_OP,                      \
 629   TARGET_INVALID_BINARY_OP,                     \
 630   TARGET_SECONDARY_RELOAD,                      \
 631   TARGET_CXX,                                   \
 632   TARGET_EXTRA_LIVE_ON_ENTRY,                    \
 633   TARGET_UNWIND_TABLES_DEFAULT,                 \
 634   TARGET_HAVE_NAMED_SECTIONS,                   \
 635   TARGET_HAVE_CTORS_DTORS,                      \
 636   TARGET_HAVE_TLS,                              \
 637   TARGET_HAVE_SRODATA_SECTION,                  \
 638   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 639   TARGET_ASM_FILE_START_APP_OFF,                \
 640   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 641   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 642   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 643   TARGET_RELAXED_ORDERING,                      \
 644   TARGET_ARM_EABI_UNWINDER                      \
 645 }
 646
 647 #include "hooks.h"
 648 #include "targhooks.h"