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_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_RELOC_RW_MASK
 101 #define TARGET_ASM_RELOC_RW_MASK default_reloc_rw_mask
 102 #endif
 103
 104 #ifndef TARGET_ASM_SELECT_SECTION
 105 #define TARGET_ASM_SELECT_SECTION default_select_section
 106 #endif
 107
 108 #ifndef TARGET_ASM_UNIQUE_SECTION
 109 #define TARGET_ASM_UNIQUE_SECTION default_unique_section
 110 #endif
 111
 112 #ifndef TARGET_ASM_FUNCTION_RODATA_SECTION
 113 #define TARGET_ASM_FUNCTION_RODATA_SECTION default_function_rodata_section
 114 #endif
 115
 116 #ifndef TARGET_ASM_SELECT_RTX_SECTION
 117 #define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
 118 #endif
 119
 120 #if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
 121 # ifdef CTORS_SECTION_ASM_OP
 122 #  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
 123 # else
 124 #  ifdef TARGET_ASM_NAMED_SECTION
 125 #   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
 126 #  else
 127 #   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
 128 #  endif
 129 # endif
 130 #endif
 131
 132 #if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
 133 # ifdef DTORS_SECTION_ASM_OP
 134 #  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
 135 # else
 136 #  ifdef TARGET_ASM_NAMED_SECTION
 137 #   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
 138 #  else
 139 #   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
 140 #  endif
 141 # endif
 142 #endif
 143
 144 #define TARGET_ASM_OUTPUT_MI_THUNK NULL
 145 #define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_const_tree_hwi_hwi_const_tree_false
 146
 147 #if !defined(TARGET_HAVE_CTORS_DTORS)
 148 # if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
 149 # define TARGET_HAVE_CTORS_DTORS true
 150 # else
 151 # define TARGET_HAVE_CTORS_DTORS false
 152 # define TARGET_ASM_CONSTRUCTOR NULL
 153 # define TARGET_ASM_DESTRUCTOR NULL
 154 # endif
 155 #endif
 156
 157 #ifndef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
 158 #define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS false
 159 #endif
 160
 161 #ifndef TARGET_ASM_INIT_SECTIONS
 162 #define TARGET_ASM_INIT_SECTIONS hook_void_void
 163 #endif
 164
 165 #ifdef TARGET_ASM_NAMED_SECTION
 166 #define TARGET_HAVE_NAMED_SECTIONS true
 167 #else
 168 #define TARGET_ASM_NAMED_SECTION default_no_named_section
 169 #define TARGET_HAVE_NAMED_SECTIONS false
 170 #endif
 171
 172 #ifndef TARGET_INVALID_WITHIN_DOLOOP
 173 #define TARGET_INVALID_WITHIN_DOLOOP default_invalid_within_doloop
 174 #endif
 175
 176 #ifndef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
 177 #define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P hook_bool_const_tree_true
 178 #endif
 179
 180 #ifndef TARGET_HAVE_TLS
 181 #define TARGET_HAVE_TLS false
 182 #endif
 183
 184 #ifndef TARGET_HAVE_SRODATA_SECTION
 185 #define TARGET_HAVE_SRODATA_SECTION false
 186 #endif
 187
 188 #ifndef TARGET_TERMINATE_DW2_EH_FRAME_INFO
 189 #ifdef EH_FRAME_SECTION_NAME
 190 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO false
 191 #else
 192 #define TARGET_TERMINATE_DW2_EH_FRAME_INFO true
 193 #endif
 194 #endif
 195
 196 #define TARGET_DWARF_REGISTER_SPAN hook_rtx_rtx_null
 197 #define TARGET_INIT_DWARF_REG_SIZES_EXTRA hook_void_tree
 198
 199 #ifndef TARGET_ASM_FILE_START
 200 #define TARGET_ASM_FILE_START default_file_start
 201 #endif
 202
 203 #ifndef TARGET_ASM_FILE_END
 204 #define TARGET_ASM_FILE_END hook_void_void
 205 #endif
 206
 207 #ifndef TARGET_EXTRA_LIVE_ON_ENTRY
 208 #define TARGET_EXTRA_LIVE_ON_ENTRY hook_void_bitmap
 209 #endif
 210
 211 #ifndef TARGET_ASM_FILE_START_APP_OFF
 212 #define TARGET_ASM_FILE_START_APP_OFF false
 213 #endif
 214
 215 #ifndef TARGET_ASM_FILE_START_FILE_DIRECTIVE
 216 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 217 #endif
 218
 219 #ifndef TARGET_ASM_EXTERNAL_LIBCALL
 220 #define TARGET_ASM_EXTERNAL_LIBCALL default_external_libcall
 221 #endif
 222
 223 #ifndef TARGET_ASM_MARK_DECL_PRESERVED
 224 #define TARGET_ASM_MARK_DECL_PRESERVED hook_void_constcharptr
 225 #endif
 226
 227 #ifndef TARGET_ASM_OUTPUT_ANCHOR
 228 #ifdef ASM_OUTPUT_DEF
 229 #define TARGET_ASM_OUTPUT_ANCHOR default_asm_output_anchor
 230 #else
 231 #define TARGET_ASM_OUTPUT_ANCHOR NULL
 232 #endif
 233 #endif
 234
 235 #ifndef TARGET_ASM_OUTPUT_DWARF_DTPREL
 236 #define TARGET_ASM_OUTPUT_DWARF_DTPREL NULL
 237 #endif
 238
 239 #ifndef TARGET_ASM_RECORD_GCC_SWITCHES
 240 #define TARGET_ASM_RECORD_GCC_SWITCHES NULL
 241 #endif
 242 #ifndef TARGET_ASM_RECORD_GCC_SWITCHES_SECTION
 243 #define TARGET_ASM_RECORD_GCC_SWITCHES_SECTION ".GCC.command.line"
 244 #endif
 245
 246 #define TARGET_ASM_ALIGNED_INT_OP                               \
 247                        {TARGET_ASM_ALIGNED_HI_OP,               \
 248                         TARGET_ASM_ALIGNED_SI_OP,               \
 249                         TARGET_ASM_ALIGNED_DI_OP,               \
 250                         TARGET_ASM_ALIGNED_TI_OP}
 251
 252 #define TARGET_ASM_UNALIGNED_INT_OP                             \
 253                        {TARGET_ASM_UNALIGNED_HI_OP,             \
 254                         TARGET_ASM_UNALIGNED_SI_OP,             \
 255                         TARGET_ASM_UNALIGNED_DI_OP,             \
 256                         TARGET_ASM_UNALIGNED_TI_OP}
 257
 258 #define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                  \
 259                         TARGET_ASM_CLOSE_PAREN,                 \
 260                         TARGET_ASM_BYTE_OP,                     \
 261                         TARGET_ASM_ALIGNED_INT_OP,              \
 262                         TARGET_ASM_UNALIGNED_INT_OP,            \
 263                         TARGET_ASM_INTEGER,                     \
 264                         TARGET_ASM_GLOBALIZE_LABEL,             \
 265                         TARGET_ASM_GLOBALIZE_DECL_NAME,         \
 266                         TARGET_ASM_EMIT_UNWIND_LABEL,           \
 267                         TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL,     \
 268                         TARGET_UNWIND_EMIT,                     \
 269                         TARGET_ASM_INTERNAL_LABEL,              \
 270                         TARGET_ASM_TTYPE,                       \
 271                         TARGET_ASM_ASSEMBLE_VISIBILITY,         \
 272                         TARGET_ASM_FUNCTION_PROLOGUE,           \
 273                         TARGET_ASM_FUNCTION_END_PROLOGUE,       \
 274                         TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
 275                         TARGET_ASM_FUNCTION_EPILOGUE,           \
 276                         TARGET_ASM_INIT_SECTIONS,               \
 277                         TARGET_ASM_NAMED_SECTION,               \
 278                         TARGET_ASM_RELOC_RW_MASK,               \
 279                         TARGET_ASM_SELECT_SECTION,              \
 280                         TARGET_ASM_SELECT_RTX_SECTION,          \
 281                         TARGET_ASM_UNIQUE_SECTION,              \
 282                         TARGET_ASM_FUNCTION_RODATA_SECTION,     \
 283                         TARGET_ASM_CONSTRUCTOR,                 \
 284                         TARGET_ASM_DESTRUCTOR,                  \
 285                         TARGET_ASM_OUTPUT_MI_THUNK,             \
 286                         TARGET_ASM_CAN_OUTPUT_MI_THUNK,         \
 287                         TARGET_ASM_FILE_START,                  \
 288                         TARGET_ASM_FILE_END,                    \
 289                         TARGET_ASM_EXTERNAL_LIBCALL,            \
 290                         TARGET_ASM_MARK_DECL_PRESERVED,         \
 291                         TARGET_ASM_RECORD_GCC_SWITCHES,         \
 292                         TARGET_ASM_RECORD_GCC_SWITCHES_SECTION, \
 293                         TARGET_ASM_OUTPUT_ANCHOR,               \
 294                         TARGET_ASM_OUTPUT_DWARF_DTPREL}
 295
 296 /* Scheduler hooks.  All of these default to null pointers, which
 297    haifa-sched.c looks for and handles.  */
 298 #define TARGET_SCHED_ADJUST_COST 0
 299 #define TARGET_SCHED_ADJUST_PRIORITY 0
 300 #define TARGET_SCHED_ISSUE_RATE 0
 301 #define TARGET_SCHED_VARIABLE_ISSUE 0
 302 #define TARGET_SCHED_INIT 0
 303 #define TARGET_SCHED_FINISH 0
 304 #define TARGET_SCHED_INIT_GLOBAL 0
 305 #define TARGET_SCHED_FINISH_GLOBAL 0
 306 #define TARGET_SCHED_REORDER 0
 307 #define TARGET_SCHED_REORDER2 0
 308 #define TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK 0
 309 #define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
 310 #define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
 311 #define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
 312 #define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
 313 #define TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE 0
 314 #define TARGET_SCHED_DFA_POST_ADVANCE_CYCLE 0
 315 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
 316 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD 0
 317 #define TARGET_SCHED_DFA_NEW_CYCLE 0
 318 #define TARGET_SCHED_IS_COSTLY_DEPENDENCE 0
 319 #define TARGET_SCHED_H_I_D_EXTENDED 0
 320 #define TARGET_SCHED_SPECULATE_INSN 0
 321 #define TARGET_SCHED_NEEDS_BLOCK_P 0
 322 #define TARGET_SCHED_GEN_CHECK 0
 323 #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC 0
 324 #define TARGET_SCHED_SET_SCHED_FLAGS 0
 325 #define TARGET_SCHED_SMS_RES_MII 0
 326
 327 #define TARGET_SCHED                                            \
 328   {TARGET_SCHED_ADJUST_COST,                                    \
 329    TARGET_SCHED_ADJUST_PRIORITY,                                \
 330    TARGET_SCHED_ISSUE_RATE,                                     \
 331    TARGET_SCHED_VARIABLE_ISSUE,                                 \
 332    TARGET_SCHED_INIT,                                           \
 333    TARGET_SCHED_FINISH,                                         \
 334    TARGET_SCHED_INIT_GLOBAL,                                    \
 335    TARGET_SCHED_FINISH_GLOBAL,                                  \
 336    TARGET_SCHED_REORDER,                                        \
 337    TARGET_SCHED_REORDER2,                                       \
 338    TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK,                   \
 339    TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                        \
 340    TARGET_SCHED_DFA_PRE_CYCLE_INSN,                             \
 341    TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                       \
 342    TARGET_SCHED_DFA_POST_CYCLE_INSN,                            \
 343    TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,                          \
 344    TARGET_SCHED_DFA_POST_ADVANCE_CYCLE,                         \
 345    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,            \
 346    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,      \
 347    TARGET_SCHED_DFA_NEW_CYCLE,                                  \
 348    TARGET_SCHED_IS_COSTLY_DEPENDENCE,                           \
 349    TARGET_SCHED_H_I_D_EXTENDED,                                 \
 350    TARGET_SCHED_SPECULATE_INSN,                                 \
 351    TARGET_SCHED_NEEDS_BLOCK_P,                                  \
 352    TARGET_SCHED_GEN_CHECK,                                      \
 353    TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, \
 354    TARGET_SCHED_SET_SCHED_FLAGS,                                \
 355    TARGET_SCHED_SMS_RES_MII}
 356
 357 #define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD 0
 358 #define TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION \
 359   default_builtin_vectorized_function
 360 #define TARGET_VECTORIZE_BUILTIN_CONVERSION \
 361   default_builtin_vectorized_conversion
 362 #define TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN 0
 363 #define TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD 0
 364 #define TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST 0
 365 #define TARGET_VECTOR_ALIGNMENT_REACHABLE \
 366   default_builtin_vector_alignment_reachable
 367
 368 #define TARGET_VECTORIZE                                                \
 369   {                                                                     \
 370     TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD,                             \
 371     TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION,                       \
 372     TARGET_VECTORIZE_BUILTIN_CONVERSION,                                \
 373     TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN,                            \
 374     TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD,                             \
 375     TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST,                        \
 376     TARGET_VECTOR_ALIGNMENT_REACHABLE                                   \
 377   }
 378
 379 #define TARGET_DEFAULT_TARGET_FLAGS 0
 380
 381 #define TARGET_HANDLE_OPTION hook_bool_size_t_constcharptr_int_true
 382 #define TARGET_HELP NULL
 383
 384 /* In except.c */
 385 #define TARGET_EH_RETURN_FILTER_MODE  default_eh_return_filter_mode
 386
 387 /* In libgcc2.c */
 388 #define TARGET_LIBGCC_CMP_RETURN_MODE  default_libgcc_cmp_return_mode
 389 #define TARGET_LIBGCC_SHIFT_COUNT_MODE default_libgcc_shift_count_mode
 390
 391 /* In tree.c.  */
 392 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 393 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
 394 #define TARGET_ATTRIBUTE_TABLE NULL
 395
 396 /* In cse.c.  */
 397 #define TARGET_ADDRESS_COST default_address_cost
 398
 399 /* In builtins.c.  */
 400 #define TARGET_INIT_BUILTINS hook_void_void
 401 #define TARGET_EXPAND_BUILTIN default_expand_builtin
 402 #define TARGET_RESOLVE_OVERLOADED_BUILTIN NULL
 403 #define TARGET_FOLD_BUILTIN hook_tree_tree_tree_bool_null
 404
 405 /* In tree-ssa-math-opts.c  */
 406 #define TARGET_BUILTIN_RECIPROCAL default_builtin_reciprocal
 407
 408 /* In varasm.c.  */
 409 #ifndef TARGET_SECTION_TYPE_FLAGS
 410 #define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
 411 #endif
 412
 413 #ifndef TARGET_STRIP_NAME_ENCODING
 414 #define TARGET_STRIP_NAME_ENCODING default_strip_name_encoding
 415 #endif
 416
 417 #ifndef TARGET_BINDS_LOCAL_P
 418 #define TARGET_BINDS_LOCAL_P default_binds_local_p
 419 #endif
 420
 421 #ifndef TARGET_SHIFT_TRUNCATION_MASK
 422 #define TARGET_SHIFT_TRUNCATION_MASK default_shift_truncation_mask
 423 #endif
 424
 425 #ifndef TARGET_MIN_DIVISIONS_FOR_RECIP_MUL
 426 #define TARGET_MIN_DIVISIONS_FOR_RECIP_MUL default_min_divisions_for_recip_mul
 427 #endif
 428
 429 #ifndef TARGET_MODE_REP_EXTENDED
 430 #define TARGET_MODE_REP_EXTENDED default_mode_rep_extended
 431 #endif
 432
 433 #ifndef TARGET_VALID_POINTER_MODE
 434 #define TARGET_VALID_POINTER_MODE default_valid_pointer_mode
 435 #endif
 436
 437 #ifndef TARGET_SCALAR_MODE_SUPPORTED_P
 438 #define TARGET_SCALAR_MODE_SUPPORTED_P default_scalar_mode_supported_p
 439 #endif
 440
 441 #ifndef TARGET_DECIMAL_FLOAT_SUPPORTED_P
 442 #define TARGET_DECIMAL_FLOAT_SUPPORTED_P default_decimal_float_supported_p
 443 #endif
 444
 445 #ifndef TARGET_FIXED_POINT_SUPPORTED_P
 446 #define TARGET_FIXED_POINT_SUPPORTED_P default_fixed_point_supported_p
 447 #endif
 448
 449 #ifndef TARGET_VECTOR_MODE_SUPPORTED_P
 450 #define TARGET_VECTOR_MODE_SUPPORTED_P hook_bool_mode_false
 451 #endif
 452
 453 #ifndef TARGET_VECTOR_OPAQUE_P
 454 #define TARGET_VECTOR_OPAQUE_P hook_bool_const_tree_false
 455 #endif
 456
 457 /* In hooks.c.  */
 458 #define TARGET_CANNOT_MODIFY_JUMPS_P hook_bool_void_false
 459 #define TARGET_BRANCH_TARGET_REGISTER_CLASS hook_int_void_no_regs
 460 #define TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED hook_bool_bool_false
 461 #define TARGET_CANNOT_FORCE_CONST_MEM hook_bool_rtx_false
 462 #define TARGET_CANNOT_COPY_INSN_P NULL
 463 #define TARGET_COMMUTATIVE_P hook_bool_const_rtx_commutative_p
 464 #define TARGET_DELEGITIMIZE_ADDRESS hook_rtx_rtx_identity
 465 #define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_const_rtx_false
 466 #define TARGET_MIN_ANCHOR_OFFSET 0
 467 #define TARGET_MAX_ANCHOR_OFFSET 0
 468 #define TARGET_USE_ANCHORS_FOR_SYMBOL_P default_use_anchors_for_symbol_p
 469 #define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_false
 470 #define TARGET_COMP_TYPE_ATTRIBUTES hook_int_const_tree_const_tree_1
 471 #ifndef TARGET_SET_DEFAULT_TYPE_ATTRIBUTES
 472 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES hook_void_tree
 473 #endif
 474 #define TARGET_INSERT_ATTRIBUTES hook_void_tree_treeptr
 475 #define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P hook_bool_const_tree_false
 476 #define TARGET_MS_BITFIELD_LAYOUT_P hook_bool_const_tree_false
 477 #define TARGET_ALIGN_ANON_BITFIELD hook_bool_void_false
 478 #define TARGET_NARROW_VOLATILE_BITFIELD hook_bool_void_false
 479 #define TARGET_RTX_COSTS hook_bool_rtx_int_int_intp_false
 480 #define TARGET_MANGLE_TYPE hook_constcharptr_const_tree_null
 481 #define TARGET_ALLOCATE_INITIAL_VALUE NULL
 482
 483 #define TARGET_UNSPEC_MAY_TRAP_P default_unspec_may_trap_p
 484
 485 #ifndef TARGET_SET_CURRENT_FUNCTION
 486 #define TARGET_SET_CURRENT_FUNCTION hook_void_tree
 487 #endif
 488
 489 #ifndef TARGET_INIT_LIBFUNCS
 490 #define TARGET_INIT_LIBFUNCS hook_void_void
 491 #endif
 492
 493 #ifndef TARGET_IN_SMALL_DATA_P
 494 #define TARGET_IN_SMALL_DATA_P hook_bool_const_tree_false
 495 #endif
 496
 497 #ifndef TARGET_MANGLE_DECL_ASSEMBLER_NAME
 498 #define TARGET_MANGLE_DECL_ASSEMBLER_NAME default_mangle_decl_assembler_name
 499 #endif
 500
 501 #ifndef TARGET_ENCODE_SECTION_INFO
 502 #define TARGET_ENCODE_SECTION_INFO default_encode_section_info
 503 #endif
 504
 505 #ifndef TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN
 506 #define TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN hook_invalid_arg_for_unprototyped_fn
 507 #endif
 508
 509 #define TARGET_INVALID_CONVERSION hook_constcharptr_const_tree_const_tree_null
 510 #define TARGET_INVALID_UNARY_OP hook_constcharptr_int_const_tree_null
 511 #define TARGET_INVALID_BINARY_OP hook_constcharptr_int_const_tree_const_tree_null
 512
 513 #define TARGET_FIXED_CONDITION_CODE_REGS hook_bool_uintp_uintp_false
 514
 515 #define TARGET_CC_MODES_COMPATIBLE default_cc_modes_compatible
 516
 517 #define TARGET_MACHINE_DEPENDENT_REORG 0
 518
 519 #define TARGET_BUILD_BUILTIN_VA_LIST std_build_builtin_va_list
 520 #define TARGET_EXPAND_BUILTIN_VA_START 0
 521
 522 #define TARGET_GET_PCH_VALIDITY default_get_pch_validity
 523 #define TARGET_PCH_VALID_P default_pch_valid_p
 524 #define TARGET_CHECK_PCH_TARGET_FLAGS NULL
 525
 526 #define TARGET_DEFAULT_SHORT_ENUMS hook_bool_void_false
 527
 528 #define TARGET_BUILTIN_SETJMP_FRAME_VALUE default_builtin_setjmp_frame_value
 529
 530 #define TARGET_MD_ASM_CLOBBERS hook_tree_tree_tree_tree_3rd_identity
 531
 532 #define TARGET_DWARF_CALLING_CONVENTION hook_int_const_tree_0
 533
 534 #define TARGET_DWARF_HANDLE_FRAME_UNSPEC 0
 535
 536 #define TARGET_STDARG_OPTIMIZE_HOOK 0
 537
 538 #define TARGET_STACK_PROTECT_GUARD  default_stack_protect_guard
 539 #define TARGET_STACK_PROTECT_FAIL   default_external_stack_protect_fail
 540
 541 #define TARGET_ARM_EABI_UNWINDER false
 542
 543 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_const_tree_false
 544 #define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_const_tree_false
 545 #define TARGET_PROMOTE_PROTOTYPES hook_bool_const_tree_false
 546
 547 #define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
 548 #define TARGET_RETURN_IN_MEMORY default_return_in_memory
 549 #define TARGET_RETURN_IN_MSB hook_bool_const_tree_false
 550
 551 #define TARGET_EXPAND_BUILTIN_SAVEREGS default_expand_builtin_saveregs
 552 #define TARGET_SETUP_INCOMING_VARARGS default_setup_incoming_varargs
 553 #define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_false
 554 #define TARGET_PRETEND_OUTGOING_VARARGS_NAMED \
 555   default_pretend_outgoing_varargs_named
 556 #define TARGET_SPLIT_COMPLEX_ARG NULL
 557
 558 #define TARGET_GIMPLIFY_VA_ARG_EXPR std_gimplify_va_arg_expr
 559 #define TARGET_PASS_BY_REFERENCE hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 560
 561 #define TARGET_RELAXED_ORDERING false
 562
 563 #define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size_or_pad
 564 #define TARGET_CALLEE_COPIES hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
 565 #define TARGET_ARG_PARTIAL_BYTES hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
 566
 567 #define TARGET_FUNCTION_VALUE default_function_value
 568 #define TARGET_INTERNAL_ARG_POINTER default_internal_arg_pointer
 569
 570 #define TARGET_CALLS {                                          \
 571    TARGET_PROMOTE_FUNCTION_ARGS,                                \
 572    TARGET_PROMOTE_FUNCTION_RETURN,                              \
 573    TARGET_PROMOTE_PROTOTYPES,                                   \
 574    TARGET_STRUCT_VALUE_RTX,                                     \
 575    TARGET_RETURN_IN_MEMORY,                                     \
 576    TARGET_RETURN_IN_MSB,                                        \
 577    TARGET_PASS_BY_REFERENCE,                                    \
 578    TARGET_EXPAND_BUILTIN_SAVEREGS,                              \
 579    TARGET_SETUP_INCOMING_VARARGS,                               \
 580    TARGET_STRICT_ARGUMENT_NAMING,                               \
 581    TARGET_PRETEND_OUTGOING_VARARGS_NAMED,                       \
 582    TARGET_SPLIT_COMPLEX_ARG,                                    \
 583    TARGET_MUST_PASS_IN_STACK,                                   \
 584    TARGET_CALLEE_COPIES,                                        \
 585    TARGET_ARG_PARTIAL_BYTES,                                    \
 586    TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN,                      \
 587    TARGET_FUNCTION_VALUE,                                       \
 588    TARGET_INTERNAL_ARG_POINTER                                  \
 589    }
 590
 591 #ifndef TARGET_UNWIND_TABLES_DEFAULT
 592 #define TARGET_UNWIND_TABLES_DEFAULT false
 593 #endif
 594
 595 #ifndef TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
 596 #define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME 0
 597 #endif
 598
 599 #ifndef TARGET_HANDLE_PRAGMA_EXTERN_PREFIX
 600 #define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX 0
 601 #endif
 602
 603 #ifndef TARGET_SECONDARY_RELOAD
 604 #define TARGET_SECONDARY_RELOAD default_secondary_reload
 605 #endif
 606
 607 #ifndef TARGET_EXPAND_TO_RTL_HOOK
 608 #define TARGET_EXPAND_TO_RTL_HOOK hook_void_void
 609 #endif
 610
 611 #ifndef TARGET_INSTANTIATE_DECLS
 612 #define TARGET_INSTANTIATE_DECLS hook_void_void
 613 #endif
 614
 615 /* C specific.  */
 616 #ifndef TARGET_C_MODE_FOR_SUFFIX
 617 #define TARGET_C_MODE_FOR_SUFFIX default_mode_for_suffix
 618 #endif
 619
 620 #define TARGET_C                                \
 621   {                                             \
 622     TARGET_C_MODE_FOR_SUFFIX                    \
 623   }
 624
 625 /* C++ specific.  */
 626 #ifndef TARGET_CXX_GUARD_TYPE
 627 #define TARGET_CXX_GUARD_TYPE default_cxx_guard_type
 628 #endif
 629
 630 #ifndef TARGET_CXX_GUARD_MASK_BIT
 631 #define TARGET_CXX_GUARD_MASK_BIT hook_bool_void_false
 632 #endif
 633
 634 #ifndef TARGET_CXX_GET_COOKIE_SIZE
 635 #define TARGET_CXX_GET_COOKIE_SIZE default_cxx_get_cookie_size
 636 #endif
 637
 638 #ifndef TARGET_CXX_COOKIE_HAS_SIZE
 639 #define TARGET_CXX_COOKIE_HAS_SIZE hook_bool_void_false
 640 #endif
 641
 642 #ifndef TARGET_CXX_IMPORT_EXPORT_CLASS
 643 #define TARGET_CXX_IMPORT_EXPORT_CLASS NULL
 644 #endif
 645
 646 #ifndef TARGET_CXX_CDTOR_RETURNS_THIS
 647 #define TARGET_CXX_CDTOR_RETURNS_THIS hook_bool_void_false
 648 #endif
 649
 650 #ifndef TARGET_CXX_KEY_METHOD_MAY_BE_INLINE
 651 #define TARGET_CXX_KEY_METHOD_MAY_BE_INLINE hook_bool_void_true
 652 #endif
 653
 654 #ifndef TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY
 655 #define TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY hook_void_tree
 656 #endif
 657
 658 #ifndef TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT
 659 #define TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT hook_bool_void_true
 660 #endif
 661
 662 #ifndef TARGET_CXX_LIBRARY_RTTI_COMDAT
 663 #define TARGET_CXX_LIBRARY_RTTI_COMDAT hook_bool_void_true
 664 #endif
 665
 666 #ifndef TARGET_CXX_USE_AEABI_ATEXIT
 667 #define TARGET_CXX_USE_AEABI_ATEXIT hook_bool_void_false
 668 #endif
 669
 670 #ifndef TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT
 671 #define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_false
 672 #endif
 673
 674 #ifndef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
 675 #define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION hook_void_tree
 676 #endif
 677
 678 #define TARGET_CXX                              \
 679   {                                             \
 680     TARGET_CXX_GUARD_TYPE,                      \
 681     TARGET_CXX_GUARD_MASK_BIT,                  \
 682     TARGET_CXX_GET_COOKIE_SIZE,                 \
 683     TARGET_CXX_COOKIE_HAS_SIZE,                 \
 684     TARGET_CXX_IMPORT_EXPORT_CLASS,             \
 685     TARGET_CXX_CDTOR_RETURNS_THIS,              \
 686     TARGET_CXX_KEY_METHOD_MAY_BE_INLINE,        \
 687     TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY, \
 688     TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT,        \
 689     TARGET_CXX_LIBRARY_RTTI_COMDAT,             \
 690     TARGET_CXX_USE_AEABI_ATEXIT,                \
 691     TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT,       \
 692     TARGET_CXX_ADJUST_CLASS_AT_DEFINITION       \
 693   }
 694
 695 /* The whole shebang.  */
 696 #define TARGET_INITIALIZER                      \
 697 {                                               \
 698   TARGET_ASM_OUT,                               \
 699   TARGET_SCHED,                                 \
 700   TARGET_VECTORIZE,                             \
 701   TARGET_DEFAULT_TARGET_FLAGS,                  \
 702   TARGET_HANDLE_OPTION,                         \
 703   TARGET_HELP,                                  \
 704   TARGET_EH_RETURN_FILTER_MODE,                 \
 705   TARGET_LIBGCC_CMP_RETURN_MODE,                \
 706   TARGET_LIBGCC_SHIFT_COUNT_MODE,               \
 707   TARGET_MERGE_DECL_ATTRIBUTES,                 \
 708   TARGET_MERGE_TYPE_ATTRIBUTES,                 \
 709   TARGET_ATTRIBUTE_TABLE,                       \
 710   TARGET_COMP_TYPE_ATTRIBUTES,                  \
 711   TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,           \
 712   TARGET_INSERT_ATTRIBUTES,                     \
 713   TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,        \
 714   TARGET_MS_BITFIELD_LAYOUT_P,                  \
 715   TARGET_DECIMAL_FLOAT_SUPPORTED_P,             \
 716   TARGET_FIXED_POINT_SUPPORTED_P,               \
 717   TARGET_ALIGN_ANON_BITFIELD,                   \
 718   TARGET_NARROW_VOLATILE_BITFIELD,              \
 719   TARGET_INIT_BUILTINS,                         \
 720   TARGET_EXPAND_BUILTIN,                        \
 721   TARGET_RESOLVE_OVERLOADED_BUILTIN,            \
 722   TARGET_FOLD_BUILTIN,                          \
 723   TARGET_BUILTIN_RECIPROCAL,                    \
 724   TARGET_MANGLE_TYPE,                           \
 725   TARGET_INIT_LIBFUNCS,                         \
 726   TARGET_SECTION_TYPE_FLAGS,                    \
 727   TARGET_CANNOT_MODIFY_JUMPS_P,                 \
 728   TARGET_BRANCH_TARGET_REGISTER_CLASS,          \
 729   TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED,   \
 730   TARGET_CANNOT_FORCE_CONST_MEM,                \
 731   TARGET_CANNOT_COPY_INSN_P,                    \
 732   TARGET_COMMUTATIVE_P,                         \
 733   TARGET_DELEGITIMIZE_ADDRESS,                  \
 734   TARGET_USE_BLOCKS_FOR_CONSTANT_P,             \
 735   TARGET_MIN_ANCHOR_OFFSET,                     \
 736   TARGET_MAX_ANCHOR_OFFSET,                     \
 737   TARGET_USE_ANCHORS_FOR_SYMBOL_P,              \
 738   TARGET_FUNCTION_OK_FOR_SIBCALL,               \
 739   TARGET_SET_CURRENT_FUNCTION,                  \
 740   TARGET_IN_SMALL_DATA_P,                       \
 741   TARGET_BINDS_LOCAL_P,                         \
 742   TARGET_MANGLE_DECL_ASSEMBLER_NAME,            \
 743   TARGET_ENCODE_SECTION_INFO,                   \
 744   TARGET_STRIP_NAME_ENCODING,                   \
 745   TARGET_SHIFT_TRUNCATION_MASK,                 \
 746   TARGET_MIN_DIVISIONS_FOR_RECIP_MUL,           \
 747   TARGET_MODE_REP_EXTENDED,                     \
 748   TARGET_VALID_POINTER_MODE,                    \
 749   TARGET_SCALAR_MODE_SUPPORTED_P,               \
 750   TARGET_VECTOR_MODE_SUPPORTED_P,               \
 751   TARGET_VECTOR_OPAQUE_P,                       \
 752   TARGET_RTX_COSTS,                             \
 753   TARGET_ADDRESS_COST,                          \
 754   TARGET_ALLOCATE_INITIAL_VALUE,                \
 755   TARGET_UNSPEC_MAY_TRAP_P,                     \
 756   TARGET_DWARF_REGISTER_SPAN,                   \
 757   TARGET_INIT_DWARF_REG_SIZES_EXTRA,            \
 758   TARGET_FIXED_CONDITION_CODE_REGS,             \
 759   TARGET_CC_MODES_COMPATIBLE,                   \
 760   TARGET_MACHINE_DEPENDENT_REORG,               \
 761   TARGET_BUILD_BUILTIN_VA_LIST,                 \
 762   TARGET_EXPAND_BUILTIN_VA_START,               \
 763   TARGET_GIMPLIFY_VA_ARG_EXPR,                  \
 764   TARGET_GET_PCH_VALIDITY,                      \
 765   TARGET_PCH_VALID_P,                           \
 766   TARGET_CHECK_PCH_TARGET_FLAGS,                \
 767   TARGET_DEFAULT_SHORT_ENUMS,                   \
 768   TARGET_BUILTIN_SETJMP_FRAME_VALUE,            \
 769   TARGET_MD_ASM_CLOBBERS,                       \
 770   TARGET_DWARF_CALLING_CONVENTION,              \
 771   TARGET_DWARF_HANDLE_FRAME_UNSPEC,             \
 772   TARGET_STDARG_OPTIMIZE_HOOK,                  \
 773   TARGET_STACK_PROTECT_GUARD,                   \
 774   TARGET_STACK_PROTECT_FAIL,                    \
 775   TARGET_INVALID_WITHIN_DOLOOP,                 \
 776   TARGET_VALID_DLLIMPORT_ATTRIBUTE_P,           \
 777   TARGET_CALLS,                                 \
 778   TARGET_INVALID_CONVERSION,                    \
 779   TARGET_INVALID_UNARY_OP,                      \
 780   TARGET_INVALID_BINARY_OP,                     \
 781   TARGET_SECONDARY_RELOAD,                      \
 782   TARGET_EXPAND_TO_RTL_HOOK,                    \
 783   TARGET_INSTANTIATE_DECLS,                     \
 784   TARGET_C,                                     \
 785   TARGET_CXX,                                   \
 786   TARGET_EXTRA_LIVE_ON_ENTRY,                   \
 787   TARGET_UNWIND_TABLES_DEFAULT,                 \
 788   TARGET_HAVE_NAMED_SECTIONS,                   \
 789   TARGET_HAVE_SWITCHABLE_BSS_SECTIONS,          \
 790   TARGET_HAVE_CTORS_DTORS,                      \
 791   TARGET_HAVE_TLS,                              \
 792   TARGET_HAVE_SRODATA_SECTION,                  \
 793   TARGET_TERMINATE_DW2_EH_FRAME_INFO,           \
 794   TARGET_ASM_FILE_START_APP_OFF,                \
 795   TARGET_ASM_FILE_START_FILE_DIRECTIVE,         \
 796   TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,        \
 797   TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,           \
 798   TARGET_RELAXED_ORDERING,                      \
 799   TARGET_ARM_EABI_UNWINDER                      \
 800 }
 801
 802 #define TARGET_HANDLE_C_OPTION default_handle_c_option
 803 #define TARGETCM_INITIALIZER { TARGET_HANDLE_C_OPTION }
 804
 805 #include "hooks.h"
 806 #include "targhooks.h"