Mercurial > hg > CbC > CbC_gcc
annotate gcc/coretypes.h @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | 84e7813d76e9 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* GCC core type declarations. |
| 145 | 2 Copyright (C) 2002-2020 Free Software Foundation, Inc. |
| 0 | 3 |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 Under Section 7 of GPL version 3, you are granted additional | |
| 17 permissions described in the GCC Runtime Library Exception, version | |
| 18 3.1, as published by the Free Software Foundation. | |
| 19 | |
| 20 You should have received a copy of the GNU General Public License and | |
| 21 a copy of the GCC Runtime Library Exception along with this program; | |
| 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 <http://www.gnu.org/licenses/>. */ | |
| 24 | |
| 25 /* Provide forward declarations of core types which are referred to by | |
| 26 most of the compiler. This allows header files to use these types | |
| 27 (e.g. in function prototypes) without concern for whether the full | |
| 28 definitions are visible. Some other declarations that need to be | |
| 29 universally visible are here, too. | |
| 30 | |
| 31 In the context of tconfig.h, most of these have special definitions | |
| 32 which prevent them from being used except in further type | |
| 33 declarations. This is a kludge; the right thing is to avoid | |
| 34 including the "tm.h" header set in the context of tconfig.h, but | |
| 35 we're not there yet. */ | |
| 36 | |
| 37 #ifndef GCC_CORETYPES_H | |
| 38 #define GCC_CORETYPES_H | |
| 39 | |
|
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40 #ifndef GTY |
| 0 | 41 #define GTY(x) /* nothing - marker for gengtype */ |
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42 #endif |
| 0 | 43 |
| 44 #ifndef USED_FOR_TARGET | |
| 45 | |
| 111 | 46 typedef int64_t gcov_type; |
| 47 typedef uint64_t gcov_type_unsigned; | |
| 48 | |
| 131 | 49 struct bitmap_obstack; |
| 145 | 50 class bitmap_head; |
| 51 typedef class bitmap_head *bitmap; | |
| 52 typedef const class bitmap_head *const_bitmap; | |
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53 struct simple_bitmap_def; |
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54 typedef struct simple_bitmap_def *sbitmap; |
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55 typedef const struct simple_bitmap_def *const_sbitmap; |
| 0 | 56 struct rtx_def; |
| 57 typedef struct rtx_def *rtx; | |
| 58 typedef const struct rtx_def *const_rtx; | |
| 111 | 59 class scalar_mode; |
| 60 class scalar_int_mode; | |
| 61 class scalar_float_mode; | |
| 62 class complex_mode; | |
| 131 | 63 class fixed_size_mode; |
| 111 | 64 template<typename> class opt_mode; |
| 65 typedef opt_mode<scalar_mode> opt_scalar_mode; | |
| 66 typedef opt_mode<scalar_int_mode> opt_scalar_int_mode; | |
| 67 typedef opt_mode<scalar_float_mode> opt_scalar_float_mode; | |
| 145 | 68 template<typename> struct pod_mode; |
| 111 | 69 typedef pod_mode<scalar_mode> scalar_mode_pod; |
| 70 typedef pod_mode<scalar_int_mode> scalar_int_mode_pod; | |
| 131 | 71 typedef pod_mode<fixed_size_mode> fixed_size_mode_pod; |
| 111 | 72 |
| 73 /* Subclasses of rtx_def, using indentation to show the class | |
| 74 hierarchy, along with the relevant invariant. | |
| 75 Where possible, keep this list in the same order as in rtl.def. */ | |
| 145 | 76 struct rtx_def; |
| 77 struct rtx_expr_list; /* GET_CODE (X) == EXPR_LIST */ | |
| 78 struct rtx_insn_list; /* GET_CODE (X) == INSN_LIST */ | |
| 79 struct rtx_sequence; /* GET_CODE (X) == SEQUENCE */ | |
| 80 struct rtx_insn; | |
| 81 struct rtx_debug_insn; /* DEBUG_INSN_P (X) */ | |
| 82 struct rtx_nonjump_insn; /* NONJUMP_INSN_P (X) */ | |
| 83 struct rtx_jump_insn; /* JUMP_P (X) */ | |
| 84 struct rtx_call_insn; /* CALL_P (X) */ | |
| 85 struct rtx_jump_table_data; /* JUMP_TABLE_DATA_P (X) */ | |
| 86 struct rtx_barrier; /* BARRIER_P (X) */ | |
| 87 struct rtx_code_label; /* LABEL_P (X) */ | |
| 88 struct rtx_note; /* NOTE_P (X) */ | |
| 111 | 89 |
| 0 | 90 struct rtvec_def; |
| 91 typedef struct rtvec_def *rtvec; | |
| 92 typedef const struct rtvec_def *const_rtvec; | |
| 111 | 93 struct hwivec_def; |
| 94 typedef struct hwivec_def *hwivec; | |
| 95 typedef const struct hwivec_def *const_hwivec; | |
| 0 | 96 union tree_node; |
| 97 typedef union tree_node *tree; | |
| 98 typedef const union tree_node *const_tree; | |
| 111 | 99 struct gimple; |
| 100 typedef gimple *gimple_seq; | |
| 101 struct gimple_stmt_iterator; | |
| 102 | |
| 103 /* Forward decls for leaf gimple subclasses (for individual gimple codes). | |
| 104 Keep this in the same order as the corresponding codes in gimple.def. */ | |
| 105 | |
| 106 struct gcond; | |
| 107 struct gdebug; | |
| 108 struct ggoto; | |
| 109 struct glabel; | |
| 110 struct gswitch; | |
| 111 struct gassign; | |
| 112 struct gasm; | |
| 113 struct gcall; | |
| 114 struct gtransaction; | |
| 115 struct greturn; | |
| 116 struct gbind; | |
| 117 struct gcatch; | |
| 118 struct geh_filter; | |
| 119 struct geh_mnt; | |
| 120 struct geh_else; | |
| 121 struct gresx; | |
| 122 struct geh_dispatch; | |
| 123 struct gphi; | |
| 124 struct gtry; | |
| 125 struct gomp_atomic_load; | |
| 126 struct gomp_atomic_store; | |
| 127 struct gomp_continue; | |
| 128 struct gomp_critical; | |
| 129 struct gomp_ordered; | |
| 130 struct gomp_for; | |
| 131 struct gomp_parallel; | |
| 132 struct gomp_task; | |
| 133 struct gomp_sections; | |
| 134 struct gomp_single; | |
| 135 struct gomp_target; | |
| 136 struct gomp_teams; | |
| 137 | |
| 131 | 138 /* Subclasses of symtab_node, using indentation to show the class |
| 139 hierarchy. */ | |
| 140 | |
| 145 | 141 struct symtab_node; |
| 131 | 142 struct cgraph_node; |
| 145 | 143 struct varpool_node; |
| 144 struct cgraph_edge; | |
| 131 | 145 |
| 0 | 146 union section; |
| 147 typedef union section section; | |
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148 struct gcc_options; |
| 0 | 149 struct cl_target_option; |
| 150 struct cl_optimization; | |
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151 struct cl_option; |
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152 struct cl_decoded_option; |
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153 struct cl_option_handlers; |
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154 struct diagnostic_context; |
| 145 | 155 class pretty_printer; |
| 156 class diagnostic_event_id_t; | |
| 157 | |
| 158 template<typename T> struct array_traits; | |
| 159 | |
| 160 /* Provides a read-only bitmap view of a single integer bitmask or an | |
| 161 array of integer bitmasks, or of a wrapper around such bitmasks. */ | |
| 162 template<typename T, typename Traits = array_traits<T>, | |
| 163 bool has_constant_size = Traits::has_constant_size> | |
| 164 class bitmap_view; | |
| 0 | 165 |
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166 /* Address space number for named address space support. */ |
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167 typedef unsigned char addr_space_t; |
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168 |
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169 /* The value of addr_space_t that represents the generic address space. */ |
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170 #define ADDR_SPACE_GENERIC 0 |
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171 #define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC) |
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172 |
| 0 | 173 /* The major intermediate representations of GCC. */ |
| 174 enum ir_type { | |
| 175 IR_GIMPLE, | |
| 176 IR_RTL_CFGRTL, | |
| 177 IR_RTL_CFGLAYOUT | |
| 178 }; | |
| 179 | |
| 180 /* Provide forward struct declaration so that we don't have to include | |
| 181 all of cpplib.h whenever a random prototype includes a pointer. | |
| 182 Note that the cpp_reader and cpp_token typedefs remain part of | |
| 183 cpplib.h. */ | |
| 184 | |
| 185 struct cpp_reader; | |
| 186 struct cpp_token; | |
| 187 | |
| 188 /* The thread-local storage model associated with a given VAR_DECL | |
| 189 or SYMBOL_REF. This isn't used much, but both trees and RTL refer | |
| 190 to it, so it's here. */ | |
| 191 enum tls_model { | |
| 192 TLS_MODEL_NONE, | |
| 193 TLS_MODEL_EMULATED, | |
| 194 TLS_MODEL_REAL, | |
| 195 TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL, | |
| 196 TLS_MODEL_LOCAL_DYNAMIC, | |
| 197 TLS_MODEL_INITIAL_EXEC, | |
| 198 TLS_MODEL_LOCAL_EXEC | |
| 199 }; | |
| 200 | |
| 111 | 201 /* Types of ABI for an offload compiler. */ |
| 202 enum offload_abi { | |
| 203 OFFLOAD_ABI_UNSET, | |
| 204 OFFLOAD_ABI_LP64, | |
| 205 OFFLOAD_ABI_ILP32 | |
| 206 }; | |
| 207 | |
| 208 /* Types of profile update methods. */ | |
| 209 enum profile_update { | |
| 210 PROFILE_UPDATE_SINGLE, | |
| 211 PROFILE_UPDATE_ATOMIC, | |
| 212 PROFILE_UPDATE_PREFER_ATOMIC | |
| 213 }; | |
| 214 | |
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215 /* Types of unwind/exception handling info that can be generated. */ |
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216 |
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217 enum unwind_info_type |
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218 { |
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219 UI_NONE, |
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220 UI_SJLJ, |
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221 UI_DWARF2, |
| 111 | 222 UI_TARGET, |
| 223 UI_SEH | |
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224 }; |
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225 |
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226 /* Callgraph node profile representation. */ |
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227 enum node_frequency { |
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228 /* This function most likely won't be executed at all. |
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229 (set only when profile feedback is available or via function attribute). */ |
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230 NODE_FREQUENCY_UNLIKELY_EXECUTED, |
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231 /* For functions that are known to be executed once (i.e. constructors, destructors |
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232 and main function. */ |
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233 NODE_FREQUENCY_EXECUTED_ONCE, |
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234 /* The default value. */ |
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235 NODE_FREQUENCY_NORMAL, |
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236 /* Optimize this function hard |
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237 (set only when profile feedback is available or via function attribute). */ |
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238 NODE_FREQUENCY_HOT |
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239 }; |
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240 |
| 111 | 241 /* Ways of optimizing code. */ |
| 242 enum optimization_type { | |
| 243 /* Prioritize speed over size. */ | |
| 244 OPTIMIZE_FOR_SPEED, | |
| 245 | |
| 246 /* Only do things that are good for both size and speed. */ | |
| 247 OPTIMIZE_FOR_BOTH, | |
| 248 | |
| 249 /* Prioritize size over speed. */ | |
| 250 OPTIMIZE_FOR_SIZE | |
| 251 }; | |
| 252 | |
| 253 /* Enumerates a padding direction. */ | |
| 254 enum pad_direction { | |
| 255 /* No padding is required. */ | |
| 256 PAD_NONE, | |
| 257 | |
| 258 /* Insert padding above the data, i.e. at higher memeory addresses | |
| 259 when dealing with memory, and at the most significant end when | |
| 260 dealing with registers. */ | |
| 261 PAD_UPWARD, | |
| 262 | |
| 263 /* Insert padding below the data, i.e. at lower memeory addresses | |
| 264 when dealing with memory, and at the least significant end when | |
| 265 dealing with registers. */ | |
| 266 PAD_DOWNWARD | |
| 267 }; | |
| 268 | |
| 269 /* Possible initialization status of a variable. When requested | |
| 270 by the user, this information is tracked and recorded in the DWARF | |
| 271 debug information, along with the variable's location. */ | |
| 272 enum var_init_status | |
| 273 { | |
| 274 VAR_INIT_STATUS_UNKNOWN, | |
| 275 VAR_INIT_STATUS_UNINITIALIZED, | |
| 276 VAR_INIT_STATUS_INITIALIZED | |
| 277 }; | |
| 278 | |
| 279 /* Names for the different levels of -Wstrict-overflow=N. The numeric | |
| 280 values here correspond to N. */ | |
| 281 enum warn_strict_overflow_code | |
| 282 { | |
| 283 /* Overflow warning that should be issued with -Wall: a questionable | |
| 284 construct that is easy to avoid even when using macros. Example: | |
| 285 folding (x + CONSTANT > x) to 1. */ | |
| 286 WARN_STRICT_OVERFLOW_ALL = 1, | |
| 287 /* Overflow warning about folding a comparison to a constant because | |
| 288 of undefined signed overflow, other than cases covered by | |
| 289 WARN_STRICT_OVERFLOW_ALL. Example: folding (abs (x) >= 0) to 1 | |
| 290 (this is false when x == INT_MIN). */ | |
| 291 WARN_STRICT_OVERFLOW_CONDITIONAL = 2, | |
| 292 /* Overflow warning about changes to comparisons other than folding | |
| 293 them to a constant. Example: folding (x + 1 > 1) to (x > 0). */ | |
| 294 WARN_STRICT_OVERFLOW_COMPARISON = 3, | |
| 295 /* Overflow warnings not covered by the above cases. Example: | |
| 296 folding ((x * 10) / 5) to (x * 2). */ | |
| 297 WARN_STRICT_OVERFLOW_MISC = 4, | |
| 298 /* Overflow warnings about reducing magnitude of constants in | |
| 299 comparison. Example: folding (x + 2 > y) to (x + 1 >= y). */ | |
| 300 WARN_STRICT_OVERFLOW_MAGNITUDE = 5 | |
| 301 }; | |
| 302 | |
| 303 /* The type of an alias set. Code currently assumes that variables of | |
| 304 this type can take the values 0 (the alias set which aliases | |
| 305 everything) and -1 (sometimes indicating that the alias set is | |
| 306 unknown, sometimes indicating a memory barrier) and -2 (indicating | |
| 307 that the alias set should be set to a unique value but has not been | |
| 308 set yet). */ | |
| 309 typedef int alias_set_type; | |
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310 |
| 145 | 311 class edge_def; |
| 312 typedef class edge_def *edge; | |
| 313 typedef const class edge_def *const_edge; | |
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314 struct basic_block_def; |
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315 typedef struct basic_block_def *basic_block; |
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316 typedef const struct basic_block_def *const_basic_block; |
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317 |
| 111 | 318 #if !defined (GENERATOR_FILE) |
| 319 # define OBSTACK_CHUNK_SIZE memory_block_pool::block_size | |
| 320 # define obstack_chunk_alloc mempool_obstack_chunk_alloc | |
| 321 # define obstack_chunk_free mempool_obstack_chunk_free | |
| 322 #else | |
| 323 # define OBSTACK_CHUNK_SIZE 0 | |
| 324 # define obstack_chunk_alloc xmalloc | |
| 325 # define obstack_chunk_free free | |
| 326 #endif | |
| 327 | |
| 328 #define gcc_obstack_init(OBSTACK) \ | |
| 329 obstack_specify_allocation ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ | |
| 330 obstack_chunk_alloc, \ | |
| 331 obstack_chunk_free) | |
|
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332 |
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333 /* enum reg_class is target specific, so it should not appear in |
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334 target-independent code or interfaces, like the target hook declarations |
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335 in target.h. */ |
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336 typedef int reg_class_t; |
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337 |
| 111 | 338 class rtl_opt_pass; |
| 339 | |
| 340 namespace gcc { | |
| 341 class context; | |
| 342 } | |
| 343 | |
| 344 typedef std::pair <tree, tree> tree_pair; | |
| 145 | 345 typedef std::pair <const char *, int> string_int_pair; |
| 111 | 346 |
| 131 | 347 /* Define a name->value mapping. */ |
| 348 template <typename ValueType> | |
| 349 struct kv_pair | |
| 350 { | |
| 351 const char *const name; /* the name of the value */ | |
| 352 const ValueType value; /* the value of the name */ | |
| 353 }; | |
| 354 | |
| 0 | 355 #else |
| 356 | |
| 357 struct _dont_use_rtx_here_; | |
| 358 struct _dont_use_rtvec_here_; | |
| 111 | 359 struct _dont_use_rtx_insn_here_; |
| 0 | 360 union _dont_use_tree_here_; |
| 361 #define rtx struct _dont_use_rtx_here_ * | |
| 362 #define const_rtx struct _dont_use_rtx_here_ * | |
| 363 #define rtvec struct _dont_use_rtvec_here * | |
| 364 #define const_rtvec struct _dont_use_rtvec_here * | |
| 111 | 365 #define rtx_insn struct _dont_use_rtx_insn_here_ |
| 0 | 366 #define tree union _dont_use_tree_here_ * |
| 367 #define const_tree union _dont_use_tree_here_ * | |
| 368 | |
| 111 | 369 typedef struct scalar_mode scalar_mode; |
| 370 typedef struct scalar_int_mode scalar_int_mode; | |
| 371 typedef struct scalar_float_mode scalar_float_mode; | |
| 372 typedef struct complex_mode complex_mode; | |
| 373 | |
| 0 | 374 #endif |
| 375 | |
| 111 | 376 /* Classes of functions that compiler needs to check |
| 377 whether they are present at the runtime or not. */ | |
| 378 enum function_class { | |
| 379 function_c94, | |
| 380 function_c99_misc, | |
| 381 function_c99_math_complex, | |
| 382 function_sincos, | |
| 145 | 383 function_c11_misc, |
| 384 function_c2x_misc | |
| 111 | 385 }; |
| 386 | |
| 387 /* Enumerate visibility settings. This is deliberately ordered from most | |
| 388 to least visibility. */ | |
| 389 enum symbol_visibility | |
| 390 { | |
| 391 VISIBILITY_DEFAULT, | |
| 392 VISIBILITY_PROTECTED, | |
| 393 VISIBILITY_HIDDEN, | |
| 394 VISIBILITY_INTERNAL | |
| 395 }; | |
| 396 | |
| 397 /* enums used by the targetm.excess_precision hook. */ | |
| 398 | |
| 399 enum flt_eval_method | |
| 400 { | |
| 401 FLT_EVAL_METHOD_UNPREDICTABLE = -1, | |
| 402 FLT_EVAL_METHOD_PROMOTE_TO_FLOAT = 0, | |
| 403 FLT_EVAL_METHOD_PROMOTE_TO_DOUBLE = 1, | |
| 404 FLT_EVAL_METHOD_PROMOTE_TO_LONG_DOUBLE = 2, | |
| 405 FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 = 16 | |
| 406 }; | |
| 407 | |
| 408 enum excess_precision_type | |
| 409 { | |
| 410 EXCESS_PRECISION_TYPE_IMPLICIT, | |
| 411 EXCESS_PRECISION_TYPE_STANDARD, | |
| 412 EXCESS_PRECISION_TYPE_FAST | |
| 413 }; | |
| 414 | |
| 415 /* Support for user-provided GGC and PCH markers. The first parameter | |
| 416 is a pointer to a pointer, the second a cookie. */ | |
| 417 typedef void (*gt_pointer_operator) (void *, void *); | |
| 418 | |
| 419 #if !defined (HAVE_UCHAR) | |
| 420 typedef unsigned char uchar; | |
| 421 #endif | |
| 422 | |
| 423 /* Most source files will require the following headers. */ | |
| 424 #if !defined (USED_FOR_TARGET) | |
| 425 #include "insn-modes.h" | |
| 426 #include "signop.h" | |
| 427 #include "wide-int.h" | |
| 428 #include "wide-int-print.h" | |
| 131 | 429 |
| 430 /* On targets that don't need polynomial offsets, target-specific code | |
| 431 should be able to treat poly_int like a normal constant, with a | |
| 432 conversion operator going from the former to the latter. We also | |
| 433 allow this for gencondmd.c for all targets, so that we can treat | |
| 434 machine_modes as enums without causing build failures. */ | |
| 435 #if (defined (IN_TARGET_CODE) \ | |
| 436 && (defined (USE_ENUM_MODES) || NUM_POLY_INT_COEFFS == 1)) | |
| 437 #define POLY_INT_CONVERSION 1 | |
| 438 #else | |
| 439 #define POLY_INT_CONVERSION 0 | |
| 440 #endif | |
| 441 | |
| 442 #include "poly-int.h" | |
| 443 #include "poly-int-types.h" | |
| 111 | 444 #include "insn-modes-inline.h" |
| 445 #include "machmode.h" | |
| 446 #include "double-int.h" | |
| 131 | 447 #include "align.h" |
| 111 | 448 /* Most host source files will require the following headers. */ |
| 449 #if !defined (GENERATOR_FILE) | |
| 450 #include "real.h" | |
| 451 #include "fixed-value.h" | |
| 452 #include "hash-table.h" | |
| 453 #include "hash-set.h" | |
| 454 #include "input.h" | |
| 455 #include "is-a.h" | |
| 456 #include "memory-block.h" | |
| 457 #include "dumpfile.h" | |
| 458 #endif | |
| 459 #endif /* GENERATOR_FILE && !USED_FOR_TARGET */ | |
| 460 | |
| 0 | 461 #endif /* coretypes.h */ |