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_RESOLVE_OVERLOADED_BUILTIN NULL
 352 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 353
 354 /* In varasm.c.  */
 355 #ifndef TARGET_SECTION_TYPE_FLAGS
 356 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 357 #endif
 358
 359 #ifndef TARGET_STRIP_NAME_ENCODING
 360 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 361 #endif
 362
 363 #ifndef TARGET_BINDS_LOCAL_P
 364 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 365 #endif
 366
 367 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 368 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 369 #endif
 370
 371 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
 372 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
 373 #endif
 374
 375 #ifndef TARGET_MODE_REP_EXTENDED
 376 #define TARGET_MODE_REP_EXTENDED default_mode_rep_extended
 377 #endif
 378
 379 #ifndef TARGET_VALID_POINTER_MODE
 380 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 381 #endif
 382
 383 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 384 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 385 #endif
 386
 387 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
 388 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
 389 #endif
 390
 391 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 392 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 393 #endif
 394
 395 #ifndef TARGET_VECTOR_OPAQUE_P
 396 #define TARGET_VECTOR_OPAQUE_P hook_bool_tree_false
 397 #endif
 398
 399 /* In hooks.c.  */
 400 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 401 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 402 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 403 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 404 #define TARGET_CANNOT_COPY_INSN_P NULL
 405 #define TARGET_COMMUTATIVE_P hook_bool_rtx_commutative_p
 406 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 407 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_rtx_false
 408 #define TARGET_MIN_ANCHOR_OFFSET 0
 409 #define TARGET_MAX_ANCHOR_OFFSET 0
 410 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
 411 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 412 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_tree_tree_1
 413 #ifndef TARGET_SET_DEFAULT_TYPE_ATTRIBUTES
 414 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 415 #endif
 416 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 417 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_tree_false
 418 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_tree_false
 419 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 420 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
 421 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 422 #define TARGET_MANGLE_FUNDAMENTAL_TYPE hook_constcharptr_tree_null
 423 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
 424
 425 #ifndef TARGET_INIT_LIBFUNCS
 426 #define TARGET_INIT_LIBFUNCS hook_void_void
 427 #endif
 428
 429 #ifndef TARGET_IN_SMALL_DATA_P
 430 #define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
 431 #endif
 432
 433 #ifndef TARGET_ENCODE_SECTION_INFO
 434 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 435 #endif
 436
 437 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 438 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 439 #endif
 440
 441 #define TARGET_INVALID_CONVERSION hook_constcharptr_tree_tree_null
 442 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_tree_null
 443 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_tree_tree_null
 444
 445 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 446
 447 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 448
 449 #define TARGET_MACHINE_DEPENDENT_REORG 0
 450
 451 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 452
 453 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 454 #define TARGET_PCH_VALID_P default_pch_valid_p
 455 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 456
 457 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 458
 459 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 460
 461 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 462
 463 #define TARGET_DWARF_CALLING_CONVENTION hook_int_tree_0
 464
 465 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 466
 467 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 468
 469 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
 470 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
 471
 472 #define TARGET_ARM_EABI_UNWINDER false
 473
 474 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_false
 475 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_false
 476 #define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 477
 478 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 479 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 480 #define TARGET_RETURN_IN_MSB hook_bool_tree_false
 481
 482 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 483 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 484 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 485 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 486   default_pretend_outgoing_varargs_named
 487 #define TARGET_SPLIT_COMPLEX_ARG NULL
 488
 489 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 490 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 491
 492 #define TARGET_RELAXED_ORDERING false
 493
 494 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 495 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 496 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 497
 498 #define TARGET_FUNCTION_VALUE default_function_value
 499 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
 500
 501 #define TARGET_CALLS {                                          \
 502    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 503    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 504    TARGET_PROMOTE_PROTOTYPES,                                   \
 505    TARGET_STRUCT_VALUE_RTX,                                     \
 506    TARGET_RETURN_IN_MEMORY,                                     \
 507    TARGET_RETURN_IN_MSB,                                        \
 508    TARGET_PASS_BY_REFERENCE,                                    \
 509    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 510    TARGET_SETUP_INCOMING_VARARGS,                               \
 511    TARGET_STRICT_ARGUMENT_NAMING,                               \
 512    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 513    TARGET_SPLIT_COMPLEX_ARG,                                    \
 514    TARGET_MUST_PASS_IN_STACK,                                   \
 515    TARGET_CALLEE_COPIES,                                        \
 516    TARGET_ARG_PARTIAL_BYTES,                                    \
 517    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
 518    TARGET_FUNCTION_VALUE,                                       \
 519    TARGET_INTERNAL_ARG_POINTER                                  \
 520    }
 521
 522 #ifndef TARGET_UNWIND_TABLES_DEFAULT
 523 #define TARGET_UNWIND_TABLES_DEFAULT false
 524 #endif
 525
 526 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 527 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 528 #endif
 529
 530 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 531 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 532 #endif
 533
 534 #ifndef TARGET_SECONDARY_RELOAD
 535 #define TARGET_SECONDARY_RELOAD default_secondary_reload
 536 #endif
 537
 538
 539 /* C++ specific.  */
 540 #ifndef TARGET_CXX_GUARD_TYPE
 541 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 542 #endif
 543
 544 #ifndef TARGET_CXX_GUARD_MASK_BIT
 545 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 546 #endif
 547
 548 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 549 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 550 #endif
 551
 552 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 553 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 554 #endif
 555
 556 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 557 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 558 #endif
 559
 560 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 561 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 562 #endif
 563
 564 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 565 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 566 #endif
 567
 568 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 569 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 570 #endif
 571
 572 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 573 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 574 #endif
 575
 576 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 577 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 578 #endif
 579
 580 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
 581 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
 582 #endif
 583
 584 #define TARGET_CXX                              \
 585   {                                             \
 586     TARGET_CXX_GUARD_TYPE,                      \
 587     TARGET_CXX_GUARD_MASK_BIT,                  \
 588     TARGET_CXX_GET_COOKIE_SIZE,                 \
 589     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 590     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 591     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 592     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 593     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 594     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 595     TARGET_CXX_USE_AEABI_ATEXIT,                \
 596     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
 597   }
 598
 599 /* The whole shebang.  */
 600 #define TARGET_INITIALIZER                      \
 601 {                                               \
 602   TARGET_ASM_OUT,                               \
 603   TARGET_SCHED,                                 \
 604   TARGET_VECTORIZE,                             \
 605   TARGET_DEFAULT_TARGET_FLAGS,                  \
 606   TARGET_HANDLE_OPTION,                         \
 607   TARGET_EH_RETURN_FILTER_MODE,                 \
 608   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 609   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 610   TARGET_ATTRIBUTE_TABLE,                       \
 611   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 612   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 613   TARGET_INSERT_ATTRIBUTES,                     \
 614   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 615   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 616   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
 617   TARGET_ALIGN_ANON_BITFIELD,                   \
 618   TARGET_NARROW_VOLATILE_BITFIELD,              \
 619   TARGET_INIT_BUILTINS,                         \
 620   TARGET_EXPAND_BUILTIN,                        \
 621   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 622   TARGET_FOLD_BUILTIN,                          \
 623   TARGET_MANGLE_FUNDAMENTAL_TYPE,               \
 624   TARGET_INIT_LIBFUNCS,                         \
 625   TARGET_SECTION_TYPE_FLAGS,                    \
 626   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 627   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 628   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 629   TARGET_CANNOT_FORCE_CONST_MEM,                \
 630   TARGET_CANNOT_COPY_INSN_P,                    \
 631   TARGET_COMMUTATIVE_P,                         \
 632   TARGET_DELEGITIMIZE_ADDRESS,                  \
 633   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
 634   TARGET_MIN_ANCHOR_OFFSET,                     \
 635   TARGET_MAX_ANCHOR_OFFSET,                     \
 636   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
 637   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 638   TARGET_IN_SMALL_DATA_P,                       \
 639   TARGET_BINDS_LOCAL_P,                         \
 640   TARGET_ENCODE_SECTION_INFO,                   \
 641   TARGET_STRIP_NAME_ENCODING,                   \
 642   TARGET_SHIFT_TRUNCATION_MASK,                 \
 643   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
 644   TARGET_MODE_REP_EXTENDED,                     \
 645   TARGET_VALID_POINTER_MODE,                    \
 646   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 647   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 648   TARGET_VECTOR_OPAQUE_P,                       \
 649   TARGET_RTX_COSTS,                             \
 650   TARGET_ADDRESS_COST,                          \
 651   TARGET_ALLOCATE_INITIAL_VALUE,                \
 652   TARGET_DWARF_REGISTER_SPAN,                   \
 653   TARGET_FIXED_CONDITION_CODE_REGS,             \
 654   TARGET_CC_MODES_COMPATIBLE,                   \
 655   TARGET_MACHINE_DEPENDENT_REORG,               \
 656   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 657   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 658   TARGET_GET_PCH_VALIDITY,                      \
 659   TARGET_PCH_VALID_P,                           \
 660   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 661   TARGET_DEFAULT_SHORT_ENUMS,                   \
 662   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 663   TARGET_MD_ASM_CLOBBERS,                       \
 664   TARGET_DWARF_CALLING_CONVENTION,              \
 665   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 666   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 667   TARGET_STACK_PROTECT_GUARD,                   \
 668   TARGET_STACK_PROTECT_FAIL,                    \
 669   TARGET_INVALID_WITHIN_DOLOOP,                 \
 670   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
 671   TARGET_CALLS,                                 \
 672   TARGET_INVALID_CONVERSION,                    \
 673   TARGET_INVALID_UNARY_OP,                      \
 674   TARGET_INVALID_BINARY_OP,                     \
 675   TARGET_SECONDARY_RELOAD,                      \
 676   TARGET_CXX,                                   \
 677   TARGET_EXTRA_LIVE_ON_ENTRY,                    \
 678   TARGET_UNWIND_TABLES_DEFAULT,                 \
 679   TARGET_HAVE_NAMED_SECTIONS,                   \
 680   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
 681   TARGET_HAVE_CTORS_DTORS,                      \
 682   TARGET_HAVE_TLS,                              \
 683   TARGET_HAVE_SRODATA_SECTION,                  \
 684   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 685   TARGET_ASM_FILE_START_APP_OFF,                \
 686   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 687   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 688   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 689   TARGET_RELAXED_ORDERING,                      \
 690   TARGET_ARM_EABI_UNWINDER                      \
 691 }
 692
 693 #include "hooks.h"
 694 #include "targhooks.h"