Mercurial > hg > CbC > CbC_gcc
annotate gcc/gimple.c @ 112:ab0bcb71f44d
merge gcc 7
| author | mir3636 |
|---|---|
| date | Fri, 10 Nov 2017 19:46:38 +0900 |
| parents | 04ced10e8804 ce75bd9117e4 |
| children | f81c5aa9f14f |
| rev | line source |
|---|---|
| 0 | 1 /* Gimple IR support functions. |
| 2 | |
| 111 | 3 Copyright (C) 2007-2017 Free Software Foundation, Inc. |
| 0 | 4 Contributed by Aldy Hernandez <aldyh@redhat.com> |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify it under | |
| 9 the terms of the GNU General Public License as published by the Free | |
| 10 Software Foundation; either version 3, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 #include "config.h" | |
| 23 #include "system.h" | |
| 24 #include "coretypes.h" | |
| 111 | 25 #include "backend.h" |
| 0 | 26 #include "tree.h" |
| 27 #include "gimple.h" | |
| 111 | 28 #include "ssa.h" |
| 29 #include "cgraph.h" | |
| 0 | 30 #include "diagnostic.h" |
|
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31 #include "alias.h" |
| 111 | 32 #include "fold-const.h" |
| 33 #include "calls.h" | |
| 34 #include "stor-layout.h" | |
| 35 #include "internal-fn.h" | |
| 36 #include "tree-eh.h" | |
| 37 #include "gimple-iterator.h" | |
| 38 #include "gimple-walk.h" | |
| 39 #include "gimplify.h" | |
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40 #include "target.h" |
| 112 | 41 <<<<<<< local |
| 111 | 42 #include "builtins.h" |
| 43 #include "selftest.h" | |
| 44 #include "gimple-pretty-print.h" | |
| 45 #include "stringpool.h" | |
| 46 #include "attribs.h" | |
| 47 #include "asan.h" | |
| 48 | |
| 112 | 49 ======= |
| 0 | 50 #include "tree.h" |
| 51 #include "ggc.h" | |
| 52 #include "hard-reg-set.h" | |
| 53 #include "basic-block.h" | |
| 54 #include "gimple.h" | |
| 55 #include "diagnostic.h" | |
| 56 #include "tree-flow.h" | |
| 57 #include "value-prof.h" | |
| 58 #include "flags.h" | |
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59 #ifndef noCbC |
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60 #include "cbc-tree.h" |
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61 #endif |
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62 #include "alias.h" |
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63 #include "demangle.h" |
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64 #include "langhooks.h" |
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65 |
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66 /* Global type table. FIXME lto, it should be possible to re-use some |
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67 of the type hashing routines in tree.c (type_hash_canon, type_hash_lookup, |
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68 etc), but those assume that types were built with the various |
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69 build_*_type routines which is not the case with the streamer. */ |
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70 static GTY((if_marked ("ggc_marked_p"), param_is (union tree_node))) |
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71 htab_t gimple_types; |
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72 static GTY((if_marked ("ggc_marked_p"), param_is (union tree_node))) |
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73 htab_t gimple_canonical_types; |
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74 static GTY((if_marked ("tree_int_map_marked_p"), param_is (struct tree_int_map))) |
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75 htab_t type_hash_cache; |
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76 static GTY((if_marked ("tree_int_map_marked_p"), param_is (struct tree_int_map))) |
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77 htab_t canonical_type_hash_cache; |
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78 |
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79 /* Global type comparison cache. This is by TYPE_UID for space efficiency |
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80 and thus cannot use and does not need GC. */ |
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81 static htab_t gtc_visited; |
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82 static struct obstack gtc_ob; |
| 112 | 83 >>>>>>> other |
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84 |
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85 /* All the tuples have their operand vector (if present) at the very bottom |
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86 of the structure. Therefore, the offset required to find the |
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87 operands vector the size of the structure minus the size of the 1 |
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88 element tree array at the end (see gimple_ops). */ |
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89 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) \ |
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90 (HAS_TREE_OP ? sizeof (struct STRUCT) - sizeof (tree) : 0), |
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91 EXPORTED_CONST size_t gimple_ops_offset_[] = { |
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92 #include "gsstruct.def" |
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93 }; |
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94 #undef DEFGSSTRUCT |
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95 |
| 111 | 96 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) sizeof (struct STRUCT), |
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97 static const size_t gsstruct_code_size[] = { |
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98 #include "gsstruct.def" |
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99 }; |
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100 #undef DEFGSSTRUCT |
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101 |
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102 #define DEFGSCODE(SYM, NAME, GSSCODE) NAME, |
| 0 | 103 const char *const gimple_code_name[] = { |
| 104 #include "gimple.def" | |
| 105 }; | |
| 106 #undef DEFGSCODE | |
| 107 | |
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108 #define DEFGSCODE(SYM, NAME, GSSCODE) GSSCODE, |
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109 EXPORTED_CONST enum gimple_statement_structure_enum gss_for_code_[] = { |
| 0 | 110 #include "gimple.def" |
| 111 }; | |
| 112 #undef DEFGSCODE | |
| 113 | |
| 114 /* Gimple stats. */ | |
| 115 | |
| 116 int gimple_alloc_counts[(int) gimple_alloc_kind_all]; | |
| 117 int gimple_alloc_sizes[(int) gimple_alloc_kind_all]; | |
| 118 | |
| 119 /* Keep in sync with gimple.h:enum gimple_alloc_kind. */ | |
| 120 static const char * const gimple_alloc_kind_names[] = { | |
| 121 "assignments", | |
| 122 "phi nodes", | |
| 123 "conditionals", | |
| 124 "everything else" | |
| 125 }; | |
| 126 | |
| 111 | 127 /* Static gimple tuple members. */ |
| 128 const enum gimple_code gassign::code_; | |
| 129 const enum gimple_code gcall::code_; | |
| 130 const enum gimple_code gcond::code_; | |
| 131 | |
| 0 | 132 |
| 133 /* Gimple tuple constructors. | |
| 134 Note: Any constructor taking a ``gimple_seq'' as a parameter, can | |
| 135 be passed a NULL to start with an empty sequence. */ | |
| 136 | |
| 137 /* Set the code for statement G to CODE. */ | |
| 138 | |
| 139 static inline void | |
| 111 | 140 gimple_set_code (gimple *g, enum gimple_code code) |
| 0 | 141 { |
| 111 | 142 g->code = code; |
| 0 | 143 } |
| 144 | |
| 145 /* Return the number of bytes needed to hold a GIMPLE statement with | |
| 146 code CODE. */ | |
| 147 | |
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148 static inline size_t |
| 0 | 149 gimple_size (enum gimple_code code) |
| 150 { | |
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151 return gsstruct_code_size[gss_for_code (code)]; |
| 0 | 152 } |
| 153 | |
| 154 /* Allocate memory for a GIMPLE statement with code CODE and NUM_OPS | |
| 155 operands. */ | |
| 156 | |
| 111 | 157 gimple * |
| 158 gimple_alloc (enum gimple_code code, unsigned num_ops MEM_STAT_DECL) | |
| 0 | 159 { |
| 160 size_t size; | |
| 111 | 161 gimple *stmt; |
| 0 | 162 |
| 163 size = gimple_size (code); | |
| 164 if (num_ops > 0) | |
| 165 size += sizeof (tree) * (num_ops - 1); | |
| 166 | |
| 111 | 167 if (GATHER_STATISTICS) |
| 168 { | |
| 169 enum gimple_alloc_kind kind = gimple_alloc_kind (code); | |
| 170 gimple_alloc_counts[(int) kind]++; | |
| 171 gimple_alloc_sizes[(int) kind] += size; | |
| 172 } | |
| 173 | |
| 174 stmt = ggc_alloc_cleared_gimple_statement_stat (size PASS_MEM_STAT); | |
| 0 | 175 gimple_set_code (stmt, code); |
| 176 gimple_set_num_ops (stmt, num_ops); | |
| 177 | |
| 178 /* Do not call gimple_set_modified here as it has other side | |
| 179 effects and this tuple is still not completely built. */ | |
| 111 | 180 stmt->modified = 1; |
| 181 gimple_init_singleton (stmt); | |
| 0 | 182 |
| 183 return stmt; | |
| 184 } | |
| 185 | |
| 186 /* Set SUBCODE to be the code of the expression computed by statement G. */ | |
| 187 | |
| 188 static inline void | |
| 111 | 189 gimple_set_subcode (gimple *g, unsigned subcode) |
| 0 | 190 { |
| 191 /* We only have 16 bits for the RHS code. Assert that we are not | |
| 192 overflowing it. */ | |
| 193 gcc_assert (subcode < (1 << 16)); | |
| 111 | 194 g->subcode = subcode; |
| 0 | 195 } |
| 196 | |
| 197 | |
| 198 | |
| 199 /* Build a tuple with operands. CODE is the statement to build (which | |
| 111 | 200 must be one of the GIMPLE_WITH_OPS tuples). SUBCODE is the subcode |
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201 for the new tuple. NUM_OPS is the number of operands to allocate. */ |
| 0 | 202 |
| 203 #define gimple_build_with_ops(c, s, n) \ | |
| 204 gimple_build_with_ops_stat (c, s, n MEM_STAT_INFO) | |
| 205 | |
| 111 | 206 static gimple * |
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207 gimple_build_with_ops_stat (enum gimple_code code, unsigned subcode, |
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208 unsigned num_ops MEM_STAT_DECL) |
| 0 | 209 { |
| 111 | 210 gimple *s = gimple_alloc (code, num_ops PASS_MEM_STAT); |
| 0 | 211 gimple_set_subcode (s, subcode); |
| 212 | |
| 213 return s; | |
| 214 } | |
| 215 | |
| 216 | |
| 217 /* Build a GIMPLE_RETURN statement returning RETVAL. */ | |
| 218 | |
| 111 | 219 greturn * |
| 0 | 220 gimple_build_return (tree retval) |
| 221 { | |
| 111 | 222 greturn *s |
| 223 = as_a <greturn *> (gimple_build_with_ops (GIMPLE_RETURN, ERROR_MARK, | |
| 224 2)); | |
| 0 | 225 if (retval) |
| 226 gimple_return_set_retval (s, retval); | |
| 227 return s; | |
| 228 } | |
| 229 | |
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230 /* Reset alias information on call S. */ |
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231 |
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232 void |
| 111 | 233 gimple_call_reset_alias_info (gcall *s) |
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234 { |
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235 if (gimple_call_flags (s) & ECF_CONST) |
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236 memset (gimple_call_use_set (s), 0, sizeof (struct pt_solution)); |
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237 else |
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238 pt_solution_reset (gimple_call_use_set (s)); |
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239 if (gimple_call_flags (s) & (ECF_CONST|ECF_PURE|ECF_NOVOPS)) |
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240 memset (gimple_call_clobber_set (s), 0, sizeof (struct pt_solution)); |
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241 else |
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242 pt_solution_reset (gimple_call_clobber_set (s)); |
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243 } |
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244 |
| 111 | 245 /* Helper for gimple_build_call, gimple_build_call_valist, |
| 246 gimple_build_call_vec and gimple_build_call_from_tree. Build the basic | |
| 247 components of a GIMPLE_CALL statement to function FN with NARGS | |
| 248 arguments. */ | |
| 249 | |
| 250 static inline gcall * | |
| 0 | 251 gimple_build_call_1 (tree fn, unsigned nargs) |
| 252 { | |
| 111 | 253 gcall *s |
| 254 = as_a <gcall *> (gimple_build_with_ops (GIMPLE_CALL, ERROR_MARK, | |
| 255 nargs + 3)); | |
| 0 | 256 if (TREE_CODE (fn) == FUNCTION_DECL) |
| 257 fn = build_fold_addr_expr (fn); | |
| 258 gimple_set_op (s, 1, fn); | |
| 111 | 259 gimple_call_set_fntype (s, TREE_TYPE (TREE_TYPE (fn))); |
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260 gimple_call_reset_alias_info (s); |
| 0 | 261 return s; |
| 262 } | |
| 263 | |
| 264 | |
| 265 /* Build a GIMPLE_CALL statement to function FN with the arguments | |
| 266 specified in vector ARGS. */ | |
| 267 | |
| 111 | 268 gcall * |
| 269 gimple_build_call_vec (tree fn, vec<tree> args) | |
| 0 | 270 { |
| 271 unsigned i; | |
| 111 | 272 unsigned nargs = args.length (); |
| 273 gcall *call = gimple_build_call_1 (fn, nargs); | |
| 0 | 274 |
| 275 for (i = 0; i < nargs; i++) | |
| 111 | 276 gimple_call_set_arg (call, i, args[i]); |
| 0 | 277 |
| 278 return call; | |
| 279 } | |
| 280 | |
| 281 | |
| 282 /* Build a GIMPLE_CALL statement to function FN. NARGS is the number of | |
| 283 arguments. The ... are the arguments. */ | |
| 284 | |
| 111 | 285 gcall * |
| 0 | 286 gimple_build_call (tree fn, unsigned nargs, ...) |
| 287 { | |
| 288 va_list ap; | |
| 111 | 289 gcall *call; |
| 0 | 290 unsigned i; |
| 291 | |
| 292 gcc_assert (TREE_CODE (fn) == FUNCTION_DECL || is_gimple_call_addr (fn)); | |
| 293 | |
| 294 call = gimple_build_call_1 (fn, nargs); | |
| 295 | |
| 296 va_start (ap, nargs); | |
| 297 for (i = 0; i < nargs; i++) | |
| 298 gimple_call_set_arg (call, i, va_arg (ap, tree)); | |
| 299 va_end (ap); | |
| 300 | |
| 301 return call; | |
| 302 } | |
| 303 | |
| 304 | |
| 111 | 305 /* Build a GIMPLE_CALL statement to function FN. NARGS is the number of |
| 306 arguments. AP contains the arguments. */ | |
| 307 | |
| 308 gcall * | |
| 309 gimple_build_call_valist (tree fn, unsigned nargs, va_list ap) | |
| 310 { | |
| 311 gcall *call; | |
| 312 unsigned i; | |
| 313 | |
| 314 gcc_assert (TREE_CODE (fn) == FUNCTION_DECL || is_gimple_call_addr (fn)); | |
| 315 | |
| 316 call = gimple_build_call_1 (fn, nargs); | |
| 317 | |
| 318 for (i = 0; i < nargs; i++) | |
| 319 gimple_call_set_arg (call, i, va_arg (ap, tree)); | |
| 320 | |
| 321 return call; | |
| 322 } | |
| 323 | |
| 324 | |
| 325 /* Helper for gimple_build_call_internal and gimple_build_call_internal_vec. | |
| 326 Build the basic components of a GIMPLE_CALL statement to internal | |
| 327 function FN with NARGS arguments. */ | |
| 328 | |
| 329 static inline gcall * | |
| 330 gimple_build_call_internal_1 (enum internal_fn fn, unsigned nargs) | |
| 331 { | |
| 332 gcall *s | |
| 333 = as_a <gcall *> (gimple_build_with_ops (GIMPLE_CALL, ERROR_MARK, | |
| 334 nargs + 3)); | |
| 335 s->subcode |= GF_CALL_INTERNAL; | |
| 336 gimple_call_set_internal_fn (s, fn); | |
| 337 gimple_call_reset_alias_info (s); | |
| 338 return s; | |
| 339 } | |
| 340 | |
| 341 | |
| 342 /* Build a GIMPLE_CALL statement to internal function FN. NARGS is | |
| 343 the number of arguments. The ... are the arguments. */ | |
| 344 | |
| 345 gcall * | |
| 346 gimple_build_call_internal (enum internal_fn fn, unsigned nargs, ...) | |
| 347 { | |
| 348 va_list ap; | |
| 349 gcall *call; | |
| 350 unsigned i; | |
| 351 | |
| 352 call = gimple_build_call_internal_1 (fn, nargs); | |
| 353 va_start (ap, nargs); | |
| 354 for (i = 0; i < nargs; i++) | |
| 355 gimple_call_set_arg (call, i, va_arg (ap, tree)); | |
| 356 va_end (ap); | |
| 357 | |
| 358 return call; | |
| 359 } | |
| 360 | |
| 361 | |
| 362 /* Build a GIMPLE_CALL statement to internal function FN with the arguments | |
| 363 specified in vector ARGS. */ | |
| 364 | |
| 365 gcall * | |
| 366 gimple_build_call_internal_vec (enum internal_fn fn, vec<tree> args) | |
| 367 { | |
| 368 unsigned i, nargs; | |
| 369 gcall *call; | |
| 370 | |
| 371 nargs = args.length (); | |
| 372 call = gimple_build_call_internal_1 (fn, nargs); | |
| 373 for (i = 0; i < nargs; i++) | |
| 374 gimple_call_set_arg (call, i, args[i]); | |
| 375 | |
| 376 return call; | |
| 377 } | |
| 378 | |
| 379 | |
| 0 | 380 /* Build a GIMPLE_CALL statement from CALL_EXPR T. Note that T is |
| 381 assumed to be in GIMPLE form already. Minimal checking is done of | |
| 382 this fact. */ | |
| 383 | |
| 111 | 384 gcall * |
| 385 gimple_build_call_from_tree (tree t, tree fnptrtype) | |
| 0 | 386 { |
| 387 unsigned i, nargs; | |
| 111 | 388 gcall *call; |
| 0 | 389 tree fndecl = get_callee_fndecl (t); |
| 390 | |
| 391 gcc_assert (TREE_CODE (t) == CALL_EXPR); | |
| 392 | |
| 393 nargs = call_expr_nargs (t); | |
| 394 call = gimple_build_call_1 (fndecl ? fndecl : CALL_EXPR_FN (t), nargs); | |
| 395 | |
| 396 for (i = 0; i < nargs; i++) | |
| 397 gimple_call_set_arg (call, i, CALL_EXPR_ARG (t, i)); | |
| 398 | |
| 399 gimple_set_block (call, TREE_BLOCK (t)); | |
| 400 | |
| 401 /* Carry all the CALL_EXPR flags to the new GIMPLE_CALL. */ | |
| 402 gimple_call_set_chain (call, CALL_EXPR_STATIC_CHAIN (t)); | |
| 403 gimple_call_set_tail (call, CALL_EXPR_TAILCALL (t)); | |
| 111 | 404 gimple_call_set_must_tail (call, CALL_EXPR_MUST_TAIL_CALL (t)); |
| 0 | 405 gimple_call_set_return_slot_opt (call, CALL_EXPR_RETURN_SLOT_OPT (t)); |
| 111 | 406 if (fndecl |
| 407 && DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL | |
| 408 && ALLOCA_FUNCTION_CODE_P (DECL_FUNCTION_CODE (fndecl))) | |
| 409 gimple_call_set_alloca_for_var (call, CALL_ALLOCA_FOR_VAR_P (t)); | |
| 410 else | |
| 411 gimple_call_set_from_thunk (call, CALL_FROM_THUNK_P (t)); | |
| 0 | 412 gimple_call_set_va_arg_pack (call, CALL_EXPR_VA_ARG_PACK (t)); |
| 112 | 413 <<<<<<< local |
|
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414 gimple_call_set_nothrow (call, TREE_NOTHROW (t)); |
| 111 | 415 gimple_call_set_by_descriptor (call, CALL_EXPR_BY_DESCRIPTOR (t)); |
| 112 | 416 ======= |
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417 #ifndef noCbC |
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418 gimple_call_set_cbc_goto (call, CALL_EXPR_CbC_GOTO (t)); |
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419 #endif |
| 112 | 420 >>>>>>> other |
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421 gimple_set_no_warning (call, TREE_NO_WARNING (t)); |
| 111 | 422 gimple_call_set_with_bounds (call, CALL_WITH_BOUNDS_P (t)); |
| 423 | |
| 424 if (fnptrtype) | |
| 425 { | |
| 426 gimple_call_set_fntype (call, TREE_TYPE (fnptrtype)); | |
| 427 | |
| 428 /* Check if it's an indirect CALL and the type has the | |
| 429 nocf_check attribute. In that case propagate the information | |
| 430 to the gimple CALL insn. */ | |
| 431 if (!fndecl) | |
| 432 { | |
| 433 gcc_assert (POINTER_TYPE_P (fnptrtype)); | |
| 434 tree fntype = TREE_TYPE (fnptrtype); | |
| 435 | |
| 436 if (lookup_attribute ("nocf_check", TYPE_ATTRIBUTES (fntype))) | |
| 437 gimple_call_set_nocf_check (call, TRUE); | |
| 438 } | |
| 439 } | |
| 0 | 440 |
| 441 return call; | |
| 442 } | |
| 443 | |
| 444 | |
| 445 /* Build a GIMPLE_ASSIGN statement. | |
| 446 | |
| 447 LHS of the assignment. | |
| 448 RHS of the assignment which can be unary or binary. */ | |
| 449 | |
| 111 | 450 gassign * |
| 451 gimple_build_assign (tree lhs, tree rhs MEM_STAT_DECL) | |
| 0 | 452 { |
| 453 enum tree_code subcode; | |
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454 tree op1, op2, op3; |
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455 |
| 111 | 456 extract_ops_from_tree (rhs, &subcode, &op1, &op2, &op3); |
| 457 return gimple_build_assign (lhs, subcode, op1, op2, op3 PASS_MEM_STAT); | |
| 0 | 458 } |
| 459 | |
| 460 | |
| 111 | 461 /* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operands |
| 462 OP1, OP2 and OP3. */ | |
| 463 | |
| 464 static inline gassign * | |
| 465 gimple_build_assign_1 (tree lhs, enum tree_code subcode, tree op1, | |
| 466 tree op2, tree op3 MEM_STAT_DECL) | |
| 0 | 467 { |
| 468 unsigned num_ops; | |
| 111 | 469 gassign *p; |
| 0 | 470 |
| 471 /* Need 1 operand for LHS and 1 or 2 for the RHS (depending on the | |
| 472 code). */ | |
| 473 num_ops = get_gimple_rhs_num_ops (subcode) + 1; | |
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474 |
| 111 | 475 p = as_a <gassign *> ( |
| 476 gimple_build_with_ops_stat (GIMPLE_ASSIGN, (unsigned)subcode, num_ops | |
| 477 PASS_MEM_STAT)); | |
| 0 | 478 gimple_assign_set_lhs (p, lhs); |
| 479 gimple_assign_set_rhs1 (p, op1); | |
| 480 if (op2) | |
| 481 { | |
| 482 gcc_assert (num_ops > 2); | |
| 483 gimple_assign_set_rhs2 (p, op2); | |
| 484 } | |
| 485 | |
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486 if (op3) |
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487 { |
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488 gcc_assert (num_ops > 3); |
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489 gimple_assign_set_rhs3 (p, op3); |
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490 } |
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491 |
| 0 | 492 return p; |
| 493 } | |
| 494 | |
| 111 | 495 /* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operands |
| 496 OP1, OP2 and OP3. */ | |
| 497 | |
| 498 gassign * | |
| 499 gimple_build_assign (tree lhs, enum tree_code subcode, tree op1, | |
| 500 tree op2, tree op3 MEM_STAT_DECL) | |
|
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501 { |
| 111 | 502 return gimple_build_assign_1 (lhs, subcode, op1, op2, op3 PASS_MEM_STAT); |
| 503 } | |
| 504 | |
| 505 /* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operands | |
| 506 OP1 and OP2. */ | |
| 507 | |
| 508 gassign * | |
| 509 gimple_build_assign (tree lhs, enum tree_code subcode, tree op1, | |
| 510 tree op2 MEM_STAT_DECL) | |
| 511 { | |
| 512 return gimple_build_assign_1 (lhs, subcode, op1, op2, NULL_TREE | |
| 513 PASS_MEM_STAT); | |
| 514 } | |
| 515 | |
| 516 /* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operand OP1. */ | |
| 517 | |
| 518 gassign * | |
| 519 gimple_build_assign (tree lhs, enum tree_code subcode, tree op1 MEM_STAT_DECL) | |
| 520 { | |
| 521 return gimple_build_assign_1 (lhs, subcode, op1, NULL_TREE, NULL_TREE | |
| 522 PASS_MEM_STAT); | |
| 0 | 523 } |
| 524 | |
| 525 | |
| 526 /* Build a GIMPLE_COND statement. | |
| 527 | |
| 528 PRED is the condition used to compare LHS and the RHS. | |
| 529 T_LABEL is the label to jump to if the condition is true. | |
| 530 F_LABEL is the label to jump to otherwise. */ | |
| 531 | |
| 111 | 532 gcond * |
| 0 | 533 gimple_build_cond (enum tree_code pred_code, tree lhs, tree rhs, |
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534 tree t_label, tree f_label) |
| 0 | 535 { |
| 111 | 536 gcond *p; |
| 0 | 537 |
| 538 gcc_assert (TREE_CODE_CLASS (pred_code) == tcc_comparison); | |
| 111 | 539 p = as_a <gcond *> (gimple_build_with_ops (GIMPLE_COND, pred_code, 4)); |
| 0 | 540 gimple_cond_set_lhs (p, lhs); |
| 541 gimple_cond_set_rhs (p, rhs); | |
| 542 gimple_cond_set_true_label (p, t_label); | |
| 543 gimple_cond_set_false_label (p, f_label); | |
| 544 return p; | |
| 545 } | |
| 546 | |
| 547 /* Build a GIMPLE_COND statement from the conditional expression tree | |
| 548 COND. T_LABEL and F_LABEL are as in gimple_build_cond. */ | |
| 549 | |
| 111 | 550 gcond * |
| 0 | 551 gimple_build_cond_from_tree (tree cond, tree t_label, tree f_label) |
| 552 { | |
| 553 enum tree_code code; | |
| 554 tree lhs, rhs; | |
| 555 | |
| 556 gimple_cond_get_ops_from_tree (cond, &code, &lhs, &rhs); | |
| 557 return gimple_build_cond (code, lhs, rhs, t_label, f_label); | |
| 558 } | |
| 559 | |
| 560 /* Set code, lhs, and rhs of a GIMPLE_COND from a suitable | |
| 561 boolean expression tree COND. */ | |
| 562 | |
| 563 void | |
| 111 | 564 gimple_cond_set_condition_from_tree (gcond *stmt, tree cond) |
| 0 | 565 { |
| 566 enum tree_code code; | |
| 567 tree lhs, rhs; | |
| 568 | |
| 569 gimple_cond_get_ops_from_tree (cond, &code, &lhs, &rhs); | |
| 570 gimple_cond_set_condition (stmt, code, lhs, rhs); | |
| 571 } | |
| 572 | |
| 573 /* Build a GIMPLE_LABEL statement for LABEL. */ | |
| 574 | |
| 111 | 575 glabel * |
| 0 | 576 gimple_build_label (tree label) |
| 577 { | |
| 111 | 578 glabel *p |
| 579 = as_a <glabel *> (gimple_build_with_ops (GIMPLE_LABEL, ERROR_MARK, 1)); | |
| 0 | 580 gimple_label_set_label (p, label); |
| 581 return p; | |
| 582 } | |
| 583 | |
| 584 /* Build a GIMPLE_GOTO statement to label DEST. */ | |
| 585 | |
| 111 | 586 ggoto * |
| 0 | 587 gimple_build_goto (tree dest) |
| 588 { | |
| 111 | 589 ggoto *p |
| 590 = as_a <ggoto *> (gimple_build_with_ops (GIMPLE_GOTO, ERROR_MARK, 1)); | |
| 0 | 591 gimple_goto_set_dest (p, dest); |
| 592 return p; | |
| 593 } | |
| 594 | |
| 595 | |
| 596 /* Build a GIMPLE_NOP statement. */ | |
| 597 | |
| 111 | 598 gimple * |
| 0 | 599 gimple_build_nop (void) |
| 600 { | |
| 601 return gimple_alloc (GIMPLE_NOP, 0); | |
| 602 } | |
| 603 | |
| 604 | |
| 605 /* Build a GIMPLE_BIND statement. | |
| 606 VARS are the variables in BODY. | |
| 607 BLOCK is the containing block. */ | |
| 608 | |
| 111 | 609 gbind * |
| 0 | 610 gimple_build_bind (tree vars, gimple_seq body, tree block) |
| 611 { | |
| 111 | 612 gbind *p = as_a <gbind *> (gimple_alloc (GIMPLE_BIND, 0)); |
| 0 | 613 gimple_bind_set_vars (p, vars); |
| 614 if (body) | |
| 615 gimple_bind_set_body (p, body); | |
| 616 if (block) | |
| 617 gimple_bind_set_block (p, block); | |
| 618 return p; | |
| 619 } | |
| 620 | |
| 621 /* Helper function to set the simple fields of a asm stmt. | |
| 622 | |
| 623 STRING is a pointer to a string that is the asm blocks assembly code. | |
| 624 NINPUT is the number of register inputs. | |
| 625 NOUTPUT is the number of register outputs. | |
| 626 NCLOBBERS is the number of clobbered registers. | |
| 627 */ | |
| 628 | |
| 111 | 629 static inline gasm * |
|
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630 gimple_build_asm_1 (const char *string, unsigned ninputs, unsigned noutputs, |
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631 unsigned nclobbers, unsigned nlabels) |
| 0 | 632 { |
| 111 | 633 gasm *p; |
| 0 | 634 int size = strlen (string); |
| 635 | |
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636 /* ASMs with labels cannot have outputs. This should have been |
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637 enforced by the front end. */ |
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638 gcc_assert (nlabels == 0 || noutputs == 0); |
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639 |
| 111 | 640 p = as_a <gasm *> ( |
| 641 gimple_build_with_ops (GIMPLE_ASM, ERROR_MARK, | |
| 642 ninputs + noutputs + nclobbers + nlabels)); | |
| 643 | |
| 644 p->ni = ninputs; | |
| 645 p->no = noutputs; | |
| 646 p->nc = nclobbers; | |
| 647 p->nl = nlabels; | |
| 648 p->string = ggc_alloc_string (string, size); | |
| 649 | |
| 650 if (GATHER_STATISTICS) | |
| 651 gimple_alloc_sizes[(int) gimple_alloc_kind (GIMPLE_ASM)] += size; | |
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652 |
| 0 | 653 return p; |
| 654 } | |
| 655 | |
| 656 /* Build a GIMPLE_ASM statement. | |
| 657 | |
| 658 STRING is the assembly code. | |
| 659 NINPUT is the number of register inputs. | |
| 660 NOUTPUT is the number of register outputs. | |
| 661 NCLOBBERS is the number of clobbered registers. | |
| 662 INPUTS is a vector of the input register parameters. | |
| 663 OUTPUTS is a vector of the output register parameters. | |
|
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664 CLOBBERS is a vector of the clobbered register parameters. |
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665 LABELS is a vector of destination labels. */ |
| 0 | 666 |
| 111 | 667 gasm * |
| 668 gimple_build_asm_vec (const char *string, vec<tree, va_gc> *inputs, | |
| 669 vec<tree, va_gc> *outputs, vec<tree, va_gc> *clobbers, | |
| 670 vec<tree, va_gc> *labels) | |
| 0 | 671 { |
| 111 | 672 gasm *p; |
| 0 | 673 unsigned i; |
| 674 | |
| 675 p = gimple_build_asm_1 (string, | |
| 111 | 676 vec_safe_length (inputs), |
| 677 vec_safe_length (outputs), | |
| 678 vec_safe_length (clobbers), | |
| 679 vec_safe_length (labels)); | |
| 680 | |
| 681 for (i = 0; i < vec_safe_length (inputs); i++) | |
| 682 gimple_asm_set_input_op (p, i, (*inputs)[i]); | |
| 683 | |
| 684 for (i = 0; i < vec_safe_length (outputs); i++) | |
| 685 gimple_asm_set_output_op (p, i, (*outputs)[i]); | |
| 686 | |
| 687 for (i = 0; i < vec_safe_length (clobbers); i++) | |
| 688 gimple_asm_set_clobber_op (p, i, (*clobbers)[i]); | |
| 689 | |
| 690 for (i = 0; i < vec_safe_length (labels); i++) | |
| 691 gimple_asm_set_label_op (p, i, (*labels)[i]); | |
|
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692 |
| 0 | 693 return p; |
| 694 } | |
| 695 | |
| 696 /* Build a GIMPLE_CATCH statement. | |
| 697 | |
| 698 TYPES are the catch types. | |
| 699 HANDLER is the exception handler. */ | |
| 700 | |
| 111 | 701 gcatch * |
| 0 | 702 gimple_build_catch (tree types, gimple_seq handler) |
| 703 { | |
| 111 | 704 gcatch *p = as_a <gcatch *> (gimple_alloc (GIMPLE_CATCH, 0)); |
| 0 | 705 gimple_catch_set_types (p, types); |
| 706 if (handler) | |
| 707 gimple_catch_set_handler (p, handler); | |
| 708 | |
| 709 return p; | |
| 710 } | |
| 711 | |
| 712 /* Build a GIMPLE_EH_FILTER statement. | |
| 713 | |
| 714 TYPES are the filter's types. | |
| 715 FAILURE is the filter's failure action. */ | |
| 716 | |
| 111 | 717 geh_filter * |
| 0 | 718 gimple_build_eh_filter (tree types, gimple_seq failure) |
| 719 { | |
| 111 | 720 geh_filter *p = as_a <geh_filter *> (gimple_alloc (GIMPLE_EH_FILTER, 0)); |
| 0 | 721 gimple_eh_filter_set_types (p, types); |
| 722 if (failure) | |
| 723 gimple_eh_filter_set_failure (p, failure); | |
| 724 | |
| 725 return p; | |
| 726 } | |
| 727 | |
|
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728 /* Build a GIMPLE_EH_MUST_NOT_THROW statement. */ |
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729 |
| 111 | 730 geh_mnt * |
|
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731 gimple_build_eh_must_not_throw (tree decl) |
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732 { |
| 111 | 733 geh_mnt *p = as_a <geh_mnt *> (gimple_alloc (GIMPLE_EH_MUST_NOT_THROW, 0)); |
|
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734 |
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735 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL); |
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736 gcc_assert (flags_from_decl_or_type (decl) & ECF_NORETURN); |
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737 gimple_eh_must_not_throw_set_fndecl (p, decl); |
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738 |
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739 return p; |
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740 } |
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741 |
| 111 | 742 /* Build a GIMPLE_EH_ELSE statement. */ |
| 743 | |
| 744 geh_else * | |
| 745 gimple_build_eh_else (gimple_seq n_body, gimple_seq e_body) | |
| 746 { | |
| 747 geh_else *p = as_a <geh_else *> (gimple_alloc (GIMPLE_EH_ELSE, 0)); | |
| 748 gimple_eh_else_set_n_body (p, n_body); | |
| 749 gimple_eh_else_set_e_body (p, e_body); | |
| 750 return p; | |
| 751 } | |
| 752 | |
| 0 | 753 /* Build a GIMPLE_TRY statement. |
| 754 | |
| 755 EVAL is the expression to evaluate. | |
| 756 CLEANUP is the cleanup expression. | |
| 757 KIND is either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY depending on | |
| 758 whether this is a try/catch or a try/finally respectively. */ | |
| 759 | |
| 111 | 760 gtry * |
| 0 | 761 gimple_build_try (gimple_seq eval, gimple_seq cleanup, |
|
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762 enum gimple_try_flags kind) |
| 0 | 763 { |
| 111 | 764 gtry *p; |
| 0 | 765 |
| 766 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY); | |
| 111 | 767 p = as_a <gtry *> (gimple_alloc (GIMPLE_TRY, 0)); |
| 0 | 768 gimple_set_subcode (p, kind); |
| 769 if (eval) | |
| 770 gimple_try_set_eval (p, eval); | |
| 771 if (cleanup) | |
| 772 gimple_try_set_cleanup (p, cleanup); | |
| 773 | |
| 774 return p; | |
| 775 } | |
| 776 | |
| 777 /* Construct a GIMPLE_WITH_CLEANUP_EXPR statement. | |
| 778 | |
| 779 CLEANUP is the cleanup expression. */ | |
| 780 | |
| 111 | 781 gimple * |
| 0 | 782 gimple_build_wce (gimple_seq cleanup) |
| 783 { | |
| 111 | 784 gimple *p = gimple_alloc (GIMPLE_WITH_CLEANUP_EXPR, 0); |
| 0 | 785 if (cleanup) |
| 786 gimple_wce_set_cleanup (p, cleanup); | |
| 787 | |
| 788 return p; | |
| 789 } | |
| 790 | |
| 791 | |
|
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792 /* Build a GIMPLE_RESX statement. */ |
| 0 | 793 |
| 111 | 794 gresx * |
| 0 | 795 gimple_build_resx (int region) |
| 796 { | |
| 111 | 797 gresx *p |
| 798 = as_a <gresx *> (gimple_build_with_ops (GIMPLE_RESX, ERROR_MARK, 0)); | |
| 799 p->region = region; | |
| 0 | 800 return p; |
| 801 } | |
| 802 | |
| 803 | |
| 804 /* The helper for constructing a gimple switch statement. | |
| 805 INDEX is the switch's index. | |
| 806 NLABELS is the number of labels in the switch excluding the default. | |
| 807 DEFAULT_LABEL is the default label for the switch statement. */ | |
| 808 | |
| 111 | 809 gswitch * |
|
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810 gimple_build_switch_nlabels (unsigned nlabels, tree index, tree default_label) |
| 0 | 811 { |
| 812 /* nlabels + 1 default label + 1 index. */ | |
| 111 | 813 gcc_checking_assert (default_label); |
| 814 gswitch *p = as_a <gswitch *> (gimple_build_with_ops (GIMPLE_SWITCH, | |
| 815 ERROR_MARK, | |
| 816 1 + 1 + nlabels)); | |
| 0 | 817 gimple_switch_set_index (p, index); |
| 111 | 818 gimple_switch_set_default_label (p, default_label); |
| 0 | 819 return p; |
| 820 } | |
| 821 | |
| 822 /* Build a GIMPLE_SWITCH statement. | |
| 823 | |
| 824 INDEX is the switch's index. | |
| 825 DEFAULT_LABEL is the default label | |
| 826 ARGS is a vector of labels excluding the default. */ | |
| 827 | |
| 111 | 828 gswitch * |
| 829 gimple_build_switch (tree index, tree default_label, vec<tree> args) | |
| 0 | 830 { |
| 111 | 831 unsigned i, nlabels = args.length (); |
| 832 | |
| 833 gswitch *p = gimple_build_switch_nlabels (nlabels, index, default_label); | |
|
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834 |
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835 /* Copy the labels from the vector to the switch statement. */ |
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836 for (i = 0; i < nlabels; i++) |
| 111 | 837 gimple_switch_set_label (p, i + 1, args[i]); |
|
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838 |
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839 return p; |
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840 } |
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841 |
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842 /* Build a GIMPLE_EH_DISPATCH statement. */ |
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843 |
| 111 | 844 geh_dispatch * |
|
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845 gimple_build_eh_dispatch (int region) |
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846 { |
| 111 | 847 geh_dispatch *p |
| 848 = as_a <geh_dispatch *> ( | |
| 849 gimple_build_with_ops (GIMPLE_EH_DISPATCH, ERROR_MARK, 0)); | |
| 850 p->region = region; | |
|
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851 return p; |
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852 } |
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853 |
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854 /* Build a new GIMPLE_DEBUG_BIND statement. |
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855 |
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856 VAR is bound to VALUE; block and location are taken from STMT. */ |
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857 |
| 111 | 858 gdebug * |
| 859 gimple_build_debug_bind (tree var, tree value, gimple *stmt MEM_STAT_DECL) | |
|
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860 { |
| 111 | 861 gdebug *p |
| 862 = as_a <gdebug *> (gimple_build_with_ops_stat (GIMPLE_DEBUG, | |
| 863 (unsigned)GIMPLE_DEBUG_BIND, 2 | |
| 864 PASS_MEM_STAT)); | |
|
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865 gimple_debug_bind_set_var (p, var); |
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866 gimple_debug_bind_set_value (p, value); |
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867 if (stmt) |
| 111 | 868 gimple_set_location (p, gimple_location (stmt)); |
| 869 | |
| 870 return p; | |
| 871 } | |
| 872 | |
| 873 | |
| 874 /* Build a new GIMPLE_DEBUG_SOURCE_BIND statement. | |
| 875 | |
| 876 VAR is bound to VALUE; block and location are taken from STMT. */ | |
| 877 | |
| 878 gdebug * | |
| 879 gimple_build_debug_source_bind (tree var, tree value, | |
| 880 gimple *stmt MEM_STAT_DECL) | |
| 881 { | |
| 882 gdebug *p | |
| 883 = as_a <gdebug *> ( | |
| 884 gimple_build_with_ops_stat (GIMPLE_DEBUG, | |
| 885 (unsigned)GIMPLE_DEBUG_SOURCE_BIND, 2 | |
| 886 PASS_MEM_STAT)); | |
| 887 | |
| 888 gimple_debug_source_bind_set_var (p, var); | |
| 889 gimple_debug_source_bind_set_value (p, value); | |
| 890 if (stmt) | |
| 891 gimple_set_location (p, gimple_location (stmt)); | |
| 0 | 892 |
| 893 return p; | |
| 894 } | |
| 895 | |
| 896 | |
| 897 /* Build a GIMPLE_OMP_CRITICAL statement. | |
| 898 | |
| 899 BODY is the sequence of statements for which only one thread can execute. | |
| 111 | 900 NAME is optional identifier for this critical block. |
| 901 CLAUSES are clauses for this critical block. */ | |
| 902 | |
| 903 gomp_critical * | |
| 904 gimple_build_omp_critical (gimple_seq body, tree name, tree clauses) | |
| 0 | 905 { |
| 111 | 906 gomp_critical *p |
| 907 = as_a <gomp_critical *> (gimple_alloc (GIMPLE_OMP_CRITICAL, 0)); | |
| 0 | 908 gimple_omp_critical_set_name (p, name); |
| 111 | 909 gimple_omp_critical_set_clauses (p, clauses); |
| 0 | 910 if (body) |
| 911 gimple_omp_set_body (p, body); | |
| 912 | |
| 913 return p; | |
| 914 } | |
| 915 | |
| 916 /* Build a GIMPLE_OMP_FOR statement. | |
| 917 | |
| 918 BODY is sequence of statements inside the for loop. | |
| 111 | 919 KIND is the `for' variant. |
| 920 CLAUSES, are any of the construct's clauses. | |
| 0 | 921 COLLAPSE is the collapse count. |
| 922 PRE_BODY is the sequence of statements that are loop invariant. */ | |
| 923 | |
| 111 | 924 gomp_for * |
| 925 gimple_build_omp_for (gimple_seq body, int kind, tree clauses, size_t collapse, | |
|
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926 gimple_seq pre_body) |
| 0 | 927 { |
| 111 | 928 gomp_for *p = as_a <gomp_for *> (gimple_alloc (GIMPLE_OMP_FOR, 0)); |
| 0 | 929 if (body) |
| 930 gimple_omp_set_body (p, body); | |
| 931 gimple_omp_for_set_clauses (p, clauses); | |
| 111 | 932 gimple_omp_for_set_kind (p, kind); |
| 933 p->collapse = collapse; | |
| 934 p->iter = ggc_cleared_vec_alloc<gimple_omp_for_iter> (collapse); | |
| 935 | |
| 0 | 936 if (pre_body) |
| 937 gimple_omp_for_set_pre_body (p, pre_body); | |
| 938 | |
| 939 return p; | |
| 940 } | |
| 941 | |
| 942 | |
| 943 /* Build a GIMPLE_OMP_PARALLEL statement. | |
| 944 | |
| 945 BODY is sequence of statements which are executed in parallel. | |
| 946 CLAUSES, are the OMP parallel construct's clauses. | |
| 947 CHILD_FN is the function created for the parallel threads to execute. | |
| 948 DATA_ARG are the shared data argument(s). */ | |
| 949 | |
| 111 | 950 gomp_parallel * |
|
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951 gimple_build_omp_parallel (gimple_seq body, tree clauses, tree child_fn, |
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952 tree data_arg) |
| 0 | 953 { |
| 111 | 954 gomp_parallel *p |
| 955 = as_a <gomp_parallel *> (gimple_alloc (GIMPLE_OMP_PARALLEL, 0)); | |
| 0 | 956 if (body) |
| 957 gimple_omp_set_body (p, body); | |
| 958 gimple_omp_parallel_set_clauses (p, clauses); | |
| 959 gimple_omp_parallel_set_child_fn (p, child_fn); | |
| 960 gimple_omp_parallel_set_data_arg (p, data_arg); | |
| 961 | |
| 962 return p; | |
| 963 } | |
| 964 | |
| 965 | |
| 966 /* Build a GIMPLE_OMP_TASK statement. | |
| 967 | |
| 968 BODY is sequence of statements which are executed by the explicit task. | |
| 969 CLAUSES, are the OMP parallel construct's clauses. | |
| 970 CHILD_FN is the function created for the parallel threads to execute. | |
| 971 DATA_ARG are the shared data argument(s). | |
| 972 COPY_FN is the optional function for firstprivate initialization. | |
| 973 ARG_SIZE and ARG_ALIGN are size and alignment of the data block. */ | |
| 974 | |
| 111 | 975 gomp_task * |
| 0 | 976 gimple_build_omp_task (gimple_seq body, tree clauses, tree child_fn, |
|
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977 tree data_arg, tree copy_fn, tree arg_size, |
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978 tree arg_align) |
| 0 | 979 { |
| 111 | 980 gomp_task *p = as_a <gomp_task *> (gimple_alloc (GIMPLE_OMP_TASK, 0)); |
| 0 | 981 if (body) |
| 982 gimple_omp_set_body (p, body); | |
| 983 gimple_omp_task_set_clauses (p, clauses); | |
| 984 gimple_omp_task_set_child_fn (p, child_fn); | |
| 985 gimple_omp_task_set_data_arg (p, data_arg); | |
| 986 gimple_omp_task_set_copy_fn (p, copy_fn); | |
| 987 gimple_omp_task_set_arg_size (p, arg_size); | |
| 988 gimple_omp_task_set_arg_align (p, arg_align); | |
| 989 | |
| 990 return p; | |
| 991 } | |
| 992 | |
| 993 | |
| 994 /* Build a GIMPLE_OMP_SECTION statement for a sections statement. | |
| 995 | |
| 996 BODY is the sequence of statements in the section. */ | |
| 997 | |
| 111 | 998 gimple * |
| 0 | 999 gimple_build_omp_section (gimple_seq body) |
| 1000 { | |
| 111 | 1001 gimple *p = gimple_alloc (GIMPLE_OMP_SECTION, 0); |
| 0 | 1002 if (body) |
| 1003 gimple_omp_set_body (p, body); | |
| 1004 | |
| 1005 return p; | |
| 1006 } | |
| 1007 | |
| 1008 | |
| 1009 /* Build a GIMPLE_OMP_MASTER statement. | |
| 1010 | |
| 1011 BODY is the sequence of statements to be executed by just the master. */ | |
| 1012 | |
| 111 | 1013 gimple * |
| 0 | 1014 gimple_build_omp_master (gimple_seq body) |
| 1015 { | |
| 111 | 1016 gimple *p = gimple_alloc (GIMPLE_OMP_MASTER, 0); |
| 1017 if (body) | |
| 1018 gimple_omp_set_body (p, body); | |
| 1019 | |
| 1020 return p; | |
| 1021 } | |
| 1022 | |
| 1023 /* Build a GIMPLE_OMP_GRID_BODY statement. | |
| 1024 | |
| 1025 BODY is the sequence of statements to be executed by the kernel. */ | |
| 1026 | |
| 1027 gimple * | |
| 1028 gimple_build_omp_grid_body (gimple_seq body) | |
| 1029 { | |
| 1030 gimple *p = gimple_alloc (GIMPLE_OMP_GRID_BODY, 0); | |
| 1031 if (body) | |
| 1032 gimple_omp_set_body (p, body); | |
| 1033 | |
| 1034 return p; | |
| 1035 } | |
| 1036 | |
| 1037 /* Build a GIMPLE_OMP_TASKGROUP statement. | |
| 1038 | |
| 1039 BODY is the sequence of statements to be executed by the taskgroup | |
| 1040 construct. */ | |
| 1041 | |
| 1042 gimple * | |
| 1043 gimple_build_omp_taskgroup (gimple_seq body) | |
| 1044 { | |
| 1045 gimple *p = gimple_alloc (GIMPLE_OMP_TASKGROUP, 0); | |
| 0 | 1046 if (body) |
| 1047 gimple_omp_set_body (p, body); | |
| 1048 | |
| 1049 return p; | |
| 1050 } | |
| 1051 | |
| 1052 | |
| 1053 /* Build a GIMPLE_OMP_CONTINUE statement. | |
| 1054 | |
| 1055 CONTROL_DEF is the definition of the control variable. | |
| 1056 CONTROL_USE is the use of the control variable. */ | |
| 1057 | |
| 111 | 1058 gomp_continue * |
| 0 | 1059 gimple_build_omp_continue (tree control_def, tree control_use) |
| 1060 { | |
| 111 | 1061 gomp_continue *p |
| 1062 = as_a <gomp_continue *> (gimple_alloc (GIMPLE_OMP_CONTINUE, 0)); | |
| 0 | 1063 gimple_omp_continue_set_control_def (p, control_def); |
| 1064 gimple_omp_continue_set_control_use (p, control_use); | |
| 1065 return p; | |
| 1066 } | |
| 1067 | |
| 1068 /* Build a GIMPLE_OMP_ORDERED statement. | |
| 1069 | |
| 1070 BODY is the sequence of statements inside a loop that will executed in | |
| 111 | 1071 sequence. |
| 1072 CLAUSES are clauses for this statement. */ | |
| 1073 | |
| 1074 gomp_ordered * | |
| 1075 gimple_build_omp_ordered (gimple_seq body, tree clauses) | |
| 0 | 1076 { |
| 111 | 1077 gomp_ordered *p |
| 1078 = as_a <gomp_ordered *> (gimple_alloc (GIMPLE_OMP_ORDERED, 0)); | |
| 1079 gimple_omp_ordered_set_clauses (p, clauses); | |
| 0 | 1080 if (body) |
| 1081 gimple_omp_set_body (p, body); | |
| 1082 | |
| 1083 return p; | |
| 1084 } | |
| 1085 | |
| 1086 | |
| 1087 /* Build a GIMPLE_OMP_RETURN statement. | |
| 1088 WAIT_P is true if this is a non-waiting return. */ | |
| 1089 | |
| 111 | 1090 gimple * |
| 0 | 1091 gimple_build_omp_return (bool wait_p) |
| 1092 { | |
| 111 | 1093 gimple *p = gimple_alloc (GIMPLE_OMP_RETURN, 0); |
| 0 | 1094 if (wait_p) |
| 1095 gimple_omp_return_set_nowait (p); | |
| 1096 | |
| 1097 return p; | |
| 1098 } | |
| 1099 | |
| 1100 | |
| 1101 /* Build a GIMPLE_OMP_SECTIONS statement. | |
| 1102 | |
| 1103 BODY is a sequence of section statements. | |
| 1104 CLAUSES are any of the OMP sections contsruct's clauses: private, | |
| 1105 firstprivate, lastprivate, reduction, and nowait. */ | |
| 1106 | |
| 111 | 1107 gomp_sections * |
| 0 | 1108 gimple_build_omp_sections (gimple_seq body, tree clauses) |
| 1109 { | |
| 111 | 1110 gomp_sections *p |
| 1111 = as_a <gomp_sections *> (gimple_alloc (GIMPLE_OMP_SECTIONS, 0)); | |
| 0 | 1112 if (body) |
| 1113 gimple_omp_set_body (p, body); | |
| 1114 gimple_omp_sections_set_clauses (p, clauses); | |
| 1115 | |
| 1116 return p; | |
| 1117 } | |
| 1118 | |
| 1119 | |
| 1120 /* Build a GIMPLE_OMP_SECTIONS_SWITCH. */ | |
| 1121 | |
| 111 | 1122 gimple * |
| 0 | 1123 gimple_build_omp_sections_switch (void) |
| 1124 { | |
| 1125 return gimple_alloc (GIMPLE_OMP_SECTIONS_SWITCH, 0); | |
| 1126 } | |
| 1127 | |
| 1128 | |
| 1129 /* Build a GIMPLE_OMP_SINGLE statement. | |
| 1130 | |
| 1131 BODY is the sequence of statements that will be executed once. | |
| 1132 CLAUSES are any of the OMP single construct's clauses: private, firstprivate, | |
| 1133 copyprivate, nowait. */ | |
| 1134 | |
| 111 | 1135 gomp_single * |
| 0 | 1136 gimple_build_omp_single (gimple_seq body, tree clauses) |
| 1137 { | |
| 111 | 1138 gomp_single *p |
| 1139 = as_a <gomp_single *> (gimple_alloc (GIMPLE_OMP_SINGLE, 0)); | |
| 0 | 1140 if (body) |
| 1141 gimple_omp_set_body (p, body); | |
| 1142 gimple_omp_single_set_clauses (p, clauses); | |
| 1143 | |
| 1144 return p; | |
| 1145 } | |
| 1146 | |
| 1147 | |
| 111 | 1148 /* Build a GIMPLE_OMP_TARGET statement. |
| 1149 | |
| 1150 BODY is the sequence of statements that will be executed. | |
| 1151 KIND is the kind of the region. | |
| 1152 CLAUSES are any of the construct's clauses. */ | |
| 1153 | |
| 1154 gomp_target * | |
| 1155 gimple_build_omp_target (gimple_seq body, int kind, tree clauses) | |
| 1156 { | |
| 1157 gomp_target *p | |
| 1158 = as_a <gomp_target *> (gimple_alloc (GIMPLE_OMP_TARGET, 0)); | |
| 1159 if (body) | |
| 1160 gimple_omp_set_body (p, body); | |
| 1161 gimple_omp_target_set_clauses (p, clauses); | |
| 1162 gimple_omp_target_set_kind (p, kind); | |
| 1163 | |
| 1164 return p; | |
| 1165 } | |
| 1166 | |
| 1167 | |
| 1168 /* Build a GIMPLE_OMP_TEAMS statement. | |
| 1169 | |
| 1170 BODY is the sequence of statements that will be executed. | |
| 1171 CLAUSES are any of the OMP teams construct's clauses. */ | |
| 1172 | |
| 1173 gomp_teams * | |
| 1174 gimple_build_omp_teams (gimple_seq body, tree clauses) | |
| 1175 { | |
| 1176 gomp_teams *p = as_a <gomp_teams *> (gimple_alloc (GIMPLE_OMP_TEAMS, 0)); | |
| 1177 if (body) | |
| 1178 gimple_omp_set_body (p, body); | |
| 1179 gimple_omp_teams_set_clauses (p, clauses); | |
| 1180 | |
| 1181 return p; | |
| 1182 } | |
| 1183 | |
| 1184 | |
| 0 | 1185 /* Build a GIMPLE_OMP_ATOMIC_LOAD statement. */ |
| 1186 | |
| 111 | 1187 gomp_atomic_load * |
| 0 | 1188 gimple_build_omp_atomic_load (tree lhs, tree rhs) |
| 1189 { | |
| 111 | 1190 gomp_atomic_load *p |
| 1191 = as_a <gomp_atomic_load *> (gimple_alloc (GIMPLE_OMP_ATOMIC_LOAD, 0)); | |
| 0 | 1192 gimple_omp_atomic_load_set_lhs (p, lhs); |
| 1193 gimple_omp_atomic_load_set_rhs (p, rhs); | |
| 1194 return p; | |
| 1195 } | |
| 1196 | |
| 1197 /* Build a GIMPLE_OMP_ATOMIC_STORE statement. | |
| 1198 | |
| 1199 VAL is the value we are storing. */ | |
| 1200 | |
| 111 | 1201 gomp_atomic_store * |
| 0 | 1202 gimple_build_omp_atomic_store (tree val) |
| 1203 { | |
| 111 | 1204 gomp_atomic_store *p |
| 1205 = as_a <gomp_atomic_store *> (gimple_alloc (GIMPLE_OMP_ATOMIC_STORE, 0)); | |
| 0 | 1206 gimple_omp_atomic_store_set_val (p, val); |
| 1207 return p; | |
| 1208 } | |
| 1209 | |
| 111 | 1210 /* Build a GIMPLE_TRANSACTION statement. */ |
| 1211 | |
| 1212 gtransaction * | |
| 1213 gimple_build_transaction (gimple_seq body) | |
| 0 | 1214 { |
| 111 | 1215 gtransaction *p |
| 1216 = as_a <gtransaction *> (gimple_alloc (GIMPLE_TRANSACTION, 0)); | |
| 1217 gimple_transaction_set_body (p, body); | |
| 1218 gimple_transaction_set_label_norm (p, 0); | |
| 1219 gimple_transaction_set_label_uninst (p, 0); | |
| 1220 gimple_transaction_set_label_over (p, 0); | |
| 0 | 1221 return p; |
| 1222 } | |
| 1223 | |
| 1224 #if defined ENABLE_GIMPLE_CHECKING | |
| 1225 /* Complain of a gimple type mismatch and die. */ | |
| 1226 | |
| 1227 void | |
| 111 | 1228 gimple_check_failed (const gimple *gs, const char *file, int line, |
|
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1229 const char *function, enum gimple_code code, |
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1230 enum tree_code subcode) |
| 0 | 1231 { |
| 1232 internal_error ("gimple check: expected %s(%s), have %s(%s) in %s, at %s:%d", | |
|
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1233 gimple_code_name[code], |
| 111 | 1234 get_tree_code_name (subcode), |
|
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1235 gimple_code_name[gimple_code (gs)], |
| 111 | 1236 gs->subcode > 0 |
| 1237 ? get_tree_code_name ((enum tree_code) gs->subcode) | |
|
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1238 : "", |
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1239 function, trim_filename (file), line); |
| 0 | 1240 } |
| 1241 #endif /* ENABLE_GIMPLE_CHECKING */ | |
| 1242 | |
| 1243 | |
| 1244 /* Link gimple statement GS to the end of the sequence *SEQ_P. If | |
| 1245 *SEQ_P is NULL, a new sequence is allocated. */ | |
| 1246 | |
| 1247 void | |
| 111 | 1248 gimple_seq_add_stmt (gimple_seq *seq_p, gimple *gs) |
| 1249 { | |
| 1250 gimple_stmt_iterator si; | |
| 1251 if (gs == NULL) | |
| 1252 return; | |
| 1253 | |
| 1254 si = gsi_last (*seq_p); | |
| 1255 gsi_insert_after (&si, gs, GSI_NEW_STMT); | |
| 1256 } | |
| 1257 | |
| 1258 /* Link gimple statement GS to the end of the sequence *SEQ_P. If | |
| 1259 *SEQ_P is NULL, a new sequence is allocated. This function is | |
| 1260 similar to gimple_seq_add_stmt, but does not scan the operands. | |
| 1261 During gimplification, we need to manipulate statement sequences | |
| 1262 before the def/use vectors have been constructed. */ | |
| 1263 | |
| 1264 void | |
| 1265 gimple_seq_add_stmt_without_update (gimple_seq *seq_p, gimple *gs) | |
| 0 | 1266 { |
| 1267 gimple_stmt_iterator si; | |
| 1268 | |
| 1269 if (gs == NULL) | |
| 1270 return; | |
| 1271 | |
| 1272 si = gsi_last (*seq_p); | |
| 111 | 1273 gsi_insert_after_without_update (&si, gs, GSI_NEW_STMT); |
| 0 | 1274 } |
| 1275 | |
| 1276 /* Append sequence SRC to the end of sequence *DST_P. If *DST_P is | |
| 1277 NULL, a new sequence is allocated. */ | |
| 1278 | |
| 1279 void | |
| 1280 gimple_seq_add_seq (gimple_seq *dst_p, gimple_seq src) | |
| 1281 { | |
| 1282 gimple_stmt_iterator si; | |
| 1283 if (src == NULL) | |
| 1284 return; | |
| 1285 | |
| 1286 si = gsi_last (*dst_p); | |
| 1287 gsi_insert_seq_after (&si, src, GSI_NEW_STMT); | |
| 1288 } | |
| 1289 | |
| 111 | 1290 /* Append sequence SRC to the end of sequence *DST_P. If *DST_P is |
| 1291 NULL, a new sequence is allocated. This function is | |
| 1292 similar to gimple_seq_add_seq, but does not scan the operands. */ | |
| 1293 | |
| 1294 void | |
| 1295 gimple_seq_add_seq_without_update (gimple_seq *dst_p, gimple_seq src) | |
| 1296 { | |
| 1297 gimple_stmt_iterator si; | |
| 1298 if (src == NULL) | |
| 1299 return; | |
| 1300 | |
| 1301 si = gsi_last (*dst_p); | |
| 1302 gsi_insert_seq_after_without_update (&si, src, GSI_NEW_STMT); | |
| 1303 } | |
| 1304 | |
| 1305 /* Determine whether to assign a location to the statement GS. */ | |
| 1306 | |
| 1307 static bool | |
| 1308 should_carry_location_p (gimple *gs) | |
| 1309 { | |
| 1310 /* Don't emit a line note for a label. We particularly don't want to | |
| 1311 emit one for the break label, since it doesn't actually correspond | |
| 1312 to the beginning of the loop/switch. */ | |
| 1313 if (gimple_code (gs) == GIMPLE_LABEL) | |
| 1314 return false; | |
| 1315 | |
| 1316 return true; | |
| 1317 } | |
| 1318 | |
| 1319 /* Set the location for gimple statement GS to LOCATION. */ | |
| 1320 | |
| 1321 static void | |
| 1322 annotate_one_with_location (gimple *gs, location_t location) | |
| 1323 { | |
| 1324 if (!gimple_has_location (gs) | |
| 1325 && !gimple_do_not_emit_location_p (gs) | |
| 1326 && should_carry_location_p (gs)) | |
| 1327 gimple_set_location (gs, location); | |
| 1328 } | |
| 1329 | |
| 1330 /* Set LOCATION for all the statements after iterator GSI in sequence | |
| 1331 SEQ. If GSI is pointing to the end of the sequence, start with the | |
| 1332 first statement in SEQ. */ | |
| 1333 | |
| 1334 void | |
| 1335 annotate_all_with_location_after (gimple_seq seq, gimple_stmt_iterator gsi, | |
| 1336 location_t location) | |
| 1337 { | |
| 1338 if (gsi_end_p (gsi)) | |
| 1339 gsi = gsi_start (seq); | |
| 1340 else | |
| 1341 gsi_next (&gsi); | |
| 1342 | |
| 1343 for (; !gsi_end_p (gsi); gsi_next (&gsi)) | |
| 1344 annotate_one_with_location (gsi_stmt (gsi), location); | |
| 1345 } | |
| 1346 | |
| 1347 /* Set the location for all the statements in a sequence STMT_P to LOCATION. */ | |
| 1348 | |
| 1349 void | |
| 1350 annotate_all_with_location (gimple_seq stmt_p, location_t location) | |
| 1351 { | |
| 1352 gimple_stmt_iterator i; | |
| 1353 | |
| 1354 if (gimple_seq_empty_p (stmt_p)) | |
| 1355 return; | |
| 1356 | |
| 1357 for (i = gsi_start (stmt_p); !gsi_end_p (i); gsi_next (&i)) | |
| 1358 { | |
| 1359 gimple *gs = gsi_stmt (i); | |
| 1360 annotate_one_with_location (gs, location); | |
| 1361 } | |
| 1362 } | |
| 0 | 1363 |
| 1364 /* Helper function of empty_body_p. Return true if STMT is an empty | |
| 1365 statement. */ | |
| 1366 | |
| 1367 static bool | |
| 111 | 1368 empty_stmt_p (gimple *stmt) |
| 0 | 1369 { |
| 1370 if (gimple_code (stmt) == GIMPLE_NOP) | |
| 1371 return true; | |
| 111 | 1372 if (gbind *bind_stmt = dyn_cast <gbind *> (stmt)) |
| 1373 return empty_body_p (gimple_bind_body (bind_stmt)); | |
| 0 | 1374 return false; |
| 1375 } | |
| 1376 | |
| 1377 | |
| 1378 /* Return true if BODY contains nothing but empty statements. */ | |
| 1379 | |
| 1380 bool | |
| 1381 empty_body_p (gimple_seq body) | |
| 1382 { | |
| 1383 gimple_stmt_iterator i; | |
| 1384 | |
| 1385 if (gimple_seq_empty_p (body)) | |
| 1386 return true; | |
| 1387 for (i = gsi_start (body); !gsi_end_p (i); gsi_next (&i)) | |
|
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1388 if (!empty_stmt_p (gsi_stmt (i)) |
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1389 && !is_gimple_debug (gsi_stmt (i))) |
| 0 | 1390 return false; |
| 1391 | |
| 1392 return true; | |
| 1393 } | |
| 1394 | |
| 1395 | |
| 1396 /* Perform a deep copy of sequence SRC and return the result. */ | |
| 1397 | |
| 1398 gimple_seq | |
| 1399 gimple_seq_copy (gimple_seq src) | |
| 1400 { | |
| 1401 gimple_stmt_iterator gsi; | |
| 111 | 1402 gimple_seq new_seq = NULL; |
| 1403 gimple *stmt; | |
| 0 | 1404 |
| 1405 for (gsi = gsi_start (src); !gsi_end_p (gsi); gsi_next (&gsi)) | |
| 1406 { | |
| 1407 stmt = gimple_copy (gsi_stmt (gsi)); | |
| 1408 gimple_seq_add_stmt (&new_seq, stmt); | |
| 1409 } | |
| 1410 | |
| 1411 return new_seq; | |
| 1412 } | |
| 1413 | |
| 1414 | |
| 111 | 1415 |
| 1416 /* Return true if calls C1 and C2 are known to go to the same function. */ | |
| 1417 | |
| 1418 bool | |
| 1419 gimple_call_same_target_p (const gimple *c1, const gimple *c2) | |
| 0 | 1420 { |
| 111 | 1421 if (gimple_call_internal_p (c1)) |
| 1422 return (gimple_call_internal_p (c2) | |
| 1423 && gimple_call_internal_fn (c1) == gimple_call_internal_fn (c2) | |
| 1424 && (!gimple_call_internal_unique_p (as_a <const gcall *> (c1)) | |
| 1425 || c1 == c2)); | |
| 0 | 1426 else |
| 111 | 1427 return (gimple_call_fn (c1) == gimple_call_fn (c2) |
| 1428 || (gimple_call_fndecl (c1) | |
| 1429 && gimple_call_fndecl (c1) == gimple_call_fndecl (c2))); | |
| 0 | 1430 } |
| 1431 | |
| 1432 /* Detect flags from a GIMPLE_CALL. This is just like | |
| 1433 call_expr_flags, but for gimple tuples. */ | |
| 1434 | |
| 1435 int | |
| 111 | 1436 gimple_call_flags (const gimple *stmt) |
| 0 | 1437 { |
| 1438 int flags; | |
| 1439 tree decl = gimple_call_fndecl (stmt); | |
| 1440 | |
| 1441 if (decl) | |
| 1442 flags = flags_from_decl_or_type (decl); | |
| 111 | 1443 else if (gimple_call_internal_p (stmt)) |
| 1444 flags = internal_fn_flags (gimple_call_internal_fn (stmt)); | |
| 0 | 1445 else |
| 111 | 1446 flags = flags_from_decl_or_type (gimple_call_fntype (stmt)); |
| 1447 | |
| 1448 if (stmt->subcode & GF_CALL_NOTHROW) | |
|
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1449 flags |= ECF_NOTHROW; |
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1450 |
| 111 | 1451 if (stmt->subcode & GF_CALL_BY_DESCRIPTOR) |
| 1452 flags |= ECF_BY_DESCRIPTOR; | |
| 1453 | |
| 0 | 1454 return flags; |
| 1455 } | |
| 1456 | |
| 111 | 1457 /* Return the "fn spec" string for call STMT. */ |
| 1458 | |
| 1459 static const_tree | |
| 1460 gimple_call_fnspec (const gcall *stmt) | |
| 1461 { | |
| 1462 tree type, attr; | |
| 1463 | |
| 1464 if (gimple_call_internal_p (stmt)) | |
| 1465 return internal_fn_fnspec (gimple_call_internal_fn (stmt)); | |
| 1466 | |
| 1467 type = gimple_call_fntype (stmt); | |
| 1468 if (!type) | |
| 1469 return NULL_TREE; | |
| 1470 | |
| 1471 attr = lookup_attribute ("fn spec", TYPE_ATTRIBUTES (type)); | |
| 1472 if (!attr) | |
| 1473 return NULL_TREE; | |
| 1474 | |
| 1475 return TREE_VALUE (TREE_VALUE (attr)); | |
| 1476 } | |
| 1477 | |
|
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1478 /* Detects argument flags for argument number ARG on call STMT. */ |
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1479 |
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1480 int |
| 111 | 1481 gimple_call_arg_flags (const gcall *stmt, unsigned arg) |
|
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1482 { |
| 111 | 1483 const_tree attr = gimple_call_fnspec (stmt); |
| 1484 | |
| 1485 if (!attr || 1 + arg >= (unsigned) TREE_STRING_LENGTH (attr)) | |
|
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|
1486 return 0; |
|
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diff
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|
1487 |
|
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diff
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|
1488 switch (TREE_STRING_POINTER (attr)[1 + arg]) |
|
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diff
changeset
|
1489 { |
|
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diff
changeset
|
1490 case 'x': |
|
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|
1491 case 'X': |
|
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|
1492 return EAF_UNUSED; |
|
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diff
changeset
|
1493 |
|
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changeset
|
1494 case 'R': |
|
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diff
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|
1495 return EAF_DIRECT | EAF_NOCLOBBER | EAF_NOESCAPE; |
|
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changeset
|
1496 |
|
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changeset
|
1497 case 'r': |
|
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|
1498 return EAF_NOCLOBBER | EAF_NOESCAPE; |
|
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changeset
|
1499 |
|
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changeset
|
1500 case 'W': |
|
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|
1501 return EAF_DIRECT | EAF_NOESCAPE; |
|
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|
1502 |
|
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|
1503 case 'w': |
|
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|
1504 return EAF_NOESCAPE; |
|
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|
1505 |
|
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changeset
|
1506 case '.': |
|
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|
1507 default: |
|
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|
1508 return 0; |
|
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|
1509 } |
|
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|
1510 } |
|
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|
1511 |
|
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|
1512 /* Detects return flags for the call STMT. */ |
|
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|
1513 |
|
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|
1514 int |
| 111 | 1515 gimple_call_return_flags (const gcall *stmt) |
|
63
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|
1516 { |
| 111 | 1517 const_tree attr; |
|
63
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|
1518 |
|
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|
1519 if (gimple_call_flags (stmt) & ECF_MALLOC) |
|
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|
1520 return ERF_NOALIAS; |
|
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|
1521 |
| 111 | 1522 attr = gimple_call_fnspec (stmt); |
| 1523 if (!attr || TREE_STRING_LENGTH (attr) < 1) | |
|
63
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|
1524 return 0; |
|
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|
1525 |
|
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|
1526 switch (TREE_STRING_POINTER (attr)[0]) |
|
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|
1527 { |
|
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|
1528 case '1': |
|
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|
1529 case '2': |
|
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|
1530 case '3': |
|
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|
1531 case '4': |
|
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|
1532 return ERF_RETURNS_ARG | (TREE_STRING_POINTER (attr)[0] - '1'); |
|
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|
1533 |
|
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|
1534 case 'm': |
|
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|
1535 return ERF_NOALIAS; |
|
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|
1536 |
|
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|
1537 case '.': |
|
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|
1538 default: |
|
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|
1539 return 0; |
|
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|
1540 } |
|
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|
1541 } |
| 0 | 1542 |
|
67
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|
1543 |
| 0 | 1544 /* Return true if GS is a copy assignment. */ |
| 1545 | |
| 1546 bool | |
| 111 | 1547 gimple_assign_copy_p (gimple *gs) |
| 0 | 1548 { |
|
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|
1549 return (gimple_assign_single_p (gs) |
|
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|
1550 && is_gimple_val (gimple_op (gs, 1))); |
| 0 | 1551 } |
| 1552 | |
| 1553 | |
| 1554 /* Return true if GS is a SSA_NAME copy assignment. */ | |
| 1555 | |
| 1556 bool | |
| 111 | 1557 gimple_assign_ssa_name_copy_p (gimple *gs) |
| 0 | 1558 { |
|
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|
1559 return (gimple_assign_single_p (gs) |
| 0 | 1560 && TREE_CODE (gimple_assign_lhs (gs)) == SSA_NAME |
| 1561 && TREE_CODE (gimple_assign_rhs1 (gs)) == SSA_NAME); | |
| 1562 } | |
| 1563 | |
| 1564 | |
| 1565 /* Return true if GS is an assignment with a unary RHS, but the | |
| 1566 operator has no effect on the assigned value. The logic is adapted | |
| 1567 from STRIP_NOPS. This predicate is intended to be used in tuplifying | |
| 1568 instances in which STRIP_NOPS was previously applied to the RHS of | |
| 1569 an assignment. | |
| 1570 | |
| 1571 NOTE: In the use cases that led to the creation of this function | |
| 1572 and of gimple_assign_single_p, it is typical to test for either | |
| 1573 condition and to proceed in the same manner. In each case, the | |
| 1574 assigned value is represented by the single RHS operand of the | |
| 1575 assignment. I suspect there may be cases where gimple_assign_copy_p, | |
| 1576 gimple_assign_single_p, or equivalent logic is used where a similar | |
| 1577 treatment of unary NOPs is appropriate. */ | |
|
55
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|
1578 |
| 0 | 1579 bool |
| 111 | 1580 gimple_assign_unary_nop_p (gimple *gs) |
| 0 | 1581 { |
|
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|
1582 return (is_gimple_assign (gs) |
| 0 | 1583 && (CONVERT_EXPR_CODE_P (gimple_assign_rhs_code (gs)) |
| 1584 || gimple_assign_rhs_code (gs) == NON_LVALUE_EXPR) | |
| 1585 && gimple_assign_rhs1 (gs) != error_mark_node | |
| 1586 && (TYPE_MODE (TREE_TYPE (gimple_assign_lhs (gs))) | |
| 1587 == TYPE_MODE (TREE_TYPE (gimple_assign_rhs1 (gs))))); | |
| 1588 } | |
| 1589 | |
| 1590 /* Set BB to be the basic block holding G. */ | |
| 1591 | |
| 1592 void | |
| 111 | 1593 gimple_set_bb (gimple *stmt, basic_block bb) |
| 0 | 1594 { |
| 111 | 1595 stmt->bb = bb; |
| 1596 | |
| 1597 if (gimple_code (stmt) != GIMPLE_LABEL) | |
| 1598 return; | |
| 0 | 1599 |
| 1600 /* If the statement is a label, add the label to block-to-labels map | |
| 1601 so that we can speed up edge creation for GIMPLE_GOTOs. */ | |
| 111 | 1602 if (cfun->cfg) |
| 0 | 1603 { |
| 1604 tree t; | |
| 1605 int uid; | |
| 1606 | |
| 111 | 1607 t = gimple_label_label (as_a <glabel *> (stmt)); |
| 0 | 1608 uid = LABEL_DECL_UID (t); |
| 1609 if (uid == -1) | |
|
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diff
changeset
|
1610 { |
| 111 | 1611 unsigned old_len = |
| 1612 vec_safe_length (label_to_block_map_for_fn (cfun)); | |
|
70
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changeset
|
1613 LABEL_DECL_UID (t) = uid = cfun->cfg->last_label_uid++; |
|
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diff
changeset
|
1614 if (old_len <= (unsigned) uid) |
|
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|
1615 { |
|
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diff
changeset
|
1616 unsigned new_len = 3 * uid / 2 + 1; |
|
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diff
changeset
|
1617 |
| 111 | 1618 vec_safe_grow_cleared (label_to_block_map_for_fn (cfun), |
|
70
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diff
changeset
|
1619 new_len); |
|
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|
1620 } |
|
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|
1621 } |
| 0 | 1622 |
| 111 | 1623 (*label_to_block_map_for_fn (cfun))[uid] = bb; |
| 0 | 1624 } |
| 1625 } | |
| 1626 | |
| 1627 | |
| 1628 /* Modify the RHS of the assignment pointed-to by GSI using the | |
| 1629 operands in the expression tree EXPR. | |
| 1630 | |
| 1631 NOTE: The statement pointed-to by GSI may be reallocated if it | |
| 1632 did not have enough operand slots. | |
| 1633 | |
| 1634 This function is useful to convert an existing tree expression into | |
| 1635 the flat representation used for the RHS of a GIMPLE assignment. | |
| 1636 It will reallocate memory as needed to expand or shrink the number | |
| 1637 of operand slots needed to represent EXPR. | |
| 1638 | |
| 1639 NOTE: If you find yourself building a tree and then calling this | |
| 1640 function, you are most certainly doing it the slow way. It is much | |
| 1641 better to build a new assignment or to use the function | |
| 1642 gimple_assign_set_rhs_with_ops, which does not require an | |
| 1643 expression tree to be built. */ | |
| 1644 | |
| 1645 void | |
| 1646 gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *gsi, tree expr) | |
| 1647 { | |
| 1648 enum tree_code subcode; | |
|
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changeset
|
1649 tree op1, op2, op3; |
|
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changeset
|
1650 |
| 111 | 1651 extract_ops_from_tree (expr, &subcode, &op1, &op2, &op3); |
| 1652 gimple_assign_set_rhs_with_ops (gsi, subcode, op1, op2, op3); | |
| 0 | 1653 } |
| 1654 | |
| 1655 | |
| 1656 /* Set the RHS of assignment statement pointed-to by GSI to CODE with | |
|
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diff
changeset
|
1657 operands OP1, OP2 and OP3. |
| 0 | 1658 |
| 1659 NOTE: The statement pointed-to by GSI may be reallocated if it | |
| 1660 did not have enough operand slots. */ | |
| 1661 | |
| 1662 void | |
| 111 | 1663 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code, |
| 1664 tree op1, tree op2, tree op3) | |
| 0 | 1665 { |
| 1666 unsigned new_rhs_ops = get_gimple_rhs_num_ops (code); | |
| 111 | 1667 gimple *stmt = gsi_stmt (*gsi); |
| 0 | 1668 |
| 1669 /* If the new CODE needs more operands, allocate a new statement. */ | |
| 1670 if (gimple_num_ops (stmt) < new_rhs_ops + 1) | |
| 1671 { | |
| 1672 tree lhs = gimple_assign_lhs (stmt); | |
| 111 | 1673 gimple *new_stmt = gimple_alloc (gimple_code (stmt), new_rhs_ops + 1); |
| 0 | 1674 memcpy (new_stmt, stmt, gimple_size (gimple_code (stmt))); |
| 111 | 1675 gimple_init_singleton (new_stmt); |
| 1676 gsi_replace (gsi, new_stmt, false); | |
| 0 | 1677 stmt = new_stmt; |
| 1678 | |
| 1679 /* The LHS needs to be reset as this also changes the SSA name | |
|
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69
diff
changeset
|
1680 on the LHS. */ |
| 0 | 1681 gimple_assign_set_lhs (stmt, lhs); |
| 1682 } | |
| 1683 | |
| 1684 gimple_set_num_ops (stmt, new_rhs_ops + 1); | |
| 1685 gimple_set_subcode (stmt, code); | |
| 1686 gimple_assign_set_rhs1 (stmt, op1); | |
| 1687 if (new_rhs_ops > 1) | |
| 1688 gimple_assign_set_rhs2 (stmt, op2); | |
|
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changeset
|
1689 if (new_rhs_ops > 2) |
|
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|
1690 gimple_assign_set_rhs3 (stmt, op3); |
| 0 | 1691 } |
| 1692 | |
| 1693 | |
| 1694 /* Return the LHS of a statement that performs an assignment, | |
| 1695 either a GIMPLE_ASSIGN or a GIMPLE_CALL. Returns NULL_TREE | |
| 1696 for a call to a function that returns no value, or for a | |
| 1697 statement other than an assignment or a call. */ | |
| 1698 | |
| 1699 tree | |
| 111 | 1700 gimple_get_lhs (const gimple *stmt) |
| 0 | 1701 { |
| 1702 enum gimple_code code = gimple_code (stmt); | |
| 1703 | |
| 1704 if (code == GIMPLE_ASSIGN) | |
| 1705 return gimple_assign_lhs (stmt); | |
| 1706 else if (code == GIMPLE_CALL) | |
| 1707 return gimple_call_lhs (stmt); | |
| 1708 else | |
| 1709 return NULL_TREE; | |
| 1710 } | |
| 1711 | |
| 1712 | |
| 1713 /* Set the LHS of a statement that performs an assignment, | |
| 1714 either a GIMPLE_ASSIGN or a GIMPLE_CALL. */ | |
| 1715 | |
| 1716 void | |
| 111 | 1717 gimple_set_lhs (gimple *stmt, tree lhs) |
| 0 | 1718 { |
| 1719 enum gimple_code code = gimple_code (stmt); | |
| 1720 | |
| 1721 if (code == GIMPLE_ASSIGN) | |
| 1722 gimple_assign_set_lhs (stmt, lhs); | |
| 1723 else if (code == GIMPLE_CALL) | |
| 1724 gimple_call_set_lhs (stmt, lhs); | |
| 1725 else | |
| 111 | 1726 gcc_unreachable (); |
| 0 | 1727 } |
| 1728 | |
| 1729 | |
| 1730 /* Return a deep copy of statement STMT. All the operands from STMT | |
| 1731 are reallocated and copied using unshare_expr. The DEF, USE, VDEF | |
| 111 | 1732 and VUSE operand arrays are set to empty in the new copy. The new |
| 1733 copy isn't part of any sequence. */ | |
| 1734 | |
| 1735 gimple * | |
| 1736 gimple_copy (gimple *stmt) | |
| 0 | 1737 { |
| 1738 enum gimple_code code = gimple_code (stmt); | |
| 1739 unsigned num_ops = gimple_num_ops (stmt); | |
| 111 | 1740 gimple *copy = gimple_alloc (code, num_ops); |
| 0 | 1741 unsigned i; |
| 1742 | |
| 1743 /* Shallow copy all the fields from STMT. */ | |
| 1744 memcpy (copy, stmt, gimple_size (code)); | |
| 111 | 1745 gimple_init_singleton (copy); |
| 0 | 1746 |
| 1747 /* If STMT has sub-statements, deep-copy them as well. */ | |
| 1748 if (gimple_has_substatements (stmt)) | |
| 1749 { | |
| 1750 gimple_seq new_seq; | |
| 1751 tree t; | |
| 1752 | |
| 1753 switch (gimple_code (stmt)) | |
| 1754 { | |
| 1755 case GIMPLE_BIND: | |
| 111 | 1756 { |
| 1757 gbind *bind_stmt = as_a <gbind *> (stmt); | |
| 1758 gbind *bind_copy = as_a <gbind *> (copy); | |
| 1759 new_seq = gimple_seq_copy (gimple_bind_body (bind_stmt)); | |
| 1760 gimple_bind_set_body (bind_copy, new_seq); | |
| 1761 gimple_bind_set_vars (bind_copy, | |
| 1762 unshare_expr (gimple_bind_vars (bind_stmt))); | |
| 1763 gimple_bind_set_block (bind_copy, gimple_bind_block (bind_stmt)); | |
| 1764 } | |
| 0 | 1765 break; |
| 1766 | |
| 1767 case GIMPLE_CATCH: | |
| 111 | 1768 { |
| 1769 gcatch *catch_stmt = as_a <gcatch *> (stmt); | |
| 1770 gcatch *catch_copy = as_a <gcatch *> (copy); | |
| 1771 new_seq = gimple_seq_copy (gimple_catch_handler (catch_stmt)); | |
| 1772 gimple_catch_set_handler (catch_copy, new_seq); | |
| 1773 t = unshare_expr (gimple_catch_types (catch_stmt)); | |
| 1774 gimple_catch_set_types (catch_copy, t); | |
| 1775 } | |
| 0 | 1776 break; |
| 1777 | |
| 1778 case GIMPLE_EH_FILTER: | |
| 111 | 1779 { |
| 1780 geh_filter *eh_filter_stmt = as_a <geh_filter *> (stmt); | |
| 1781 geh_filter *eh_filter_copy = as_a <geh_filter *> (copy); | |
| 1782 new_seq | |
| 1783 = gimple_seq_copy (gimple_eh_filter_failure (eh_filter_stmt)); | |
| 1784 gimple_eh_filter_set_failure (eh_filter_copy, new_seq); | |
| 1785 t = unshare_expr (gimple_eh_filter_types (eh_filter_stmt)); | |
| 1786 gimple_eh_filter_set_types (eh_filter_copy, t); | |
| 1787 } | |
| 1788 break; | |
| 1789 | |
| 1790 case GIMPLE_EH_ELSE: | |
| 1791 { | |
| 1792 geh_else *eh_else_stmt = as_a <geh_else *> (stmt); | |
| 1793 geh_else *eh_else_copy = as_a <geh_else *> (copy); | |
| 1794 new_seq = gimple_seq_copy (gimple_eh_else_n_body (eh_else_stmt)); | |
| 1795 gimple_eh_else_set_n_body (eh_else_copy, new_seq); | |
| 1796 new_seq = gimple_seq_copy (gimple_eh_else_e_body (eh_else_stmt)); | |
| 1797 gimple_eh_else_set_e_body (eh_else_copy, new_seq); | |
| 1798 } | |
| 0 | 1799 break; |
| 1800 | |
| 1801 case GIMPLE_TRY: | |
| 111 | 1802 { |
| 1803 gtry *try_stmt = as_a <gtry *> (stmt); | |
| 1804 gtry *try_copy = as_a <gtry *> (copy); | |
| 1805 new_seq = gimple_seq_copy (gimple_try_eval (try_stmt)); | |
| 1806 gimple_try_set_eval (try_copy, new_seq); | |
| 1807 new_seq = gimple_seq_copy (gimple_try_cleanup (try_stmt)); | |
| 1808 gimple_try_set_cleanup (try_copy, new_seq); | |
| 1809 } | |
| 0 | 1810 break; |
| 1811 | |
| 1812 case GIMPLE_OMP_FOR: | |
| 1813 new_seq = gimple_seq_copy (gimple_omp_for_pre_body (stmt)); | |
| 1814 gimple_omp_for_set_pre_body (copy, new_seq); | |
| 1815 t = unshare_expr (gimple_omp_for_clauses (stmt)); | |
| 1816 gimple_omp_for_set_clauses (copy, t); | |
| 111 | 1817 { |
| 1818 gomp_for *omp_for_copy = as_a <gomp_for *> (copy); | |
| 1819 omp_for_copy->iter = ggc_vec_alloc<gimple_omp_for_iter> | |
| 1820 ( gimple_omp_for_collapse (stmt)); | |
| 1821 } | |
| 0 | 1822 for (i = 0; i < gimple_omp_for_collapse (stmt); i++) |
| 1823 { | |
| 1824 gimple_omp_for_set_cond (copy, i, | |
| 1825 gimple_omp_for_cond (stmt, i)); | |
| 1826 gimple_omp_for_set_index (copy, i, | |
| 1827 gimple_omp_for_index (stmt, i)); | |
| 1828 t = unshare_expr (gimple_omp_for_initial (stmt, i)); | |
| 1829 gimple_omp_for_set_initial (copy, i, t); | |
| 1830 t = unshare_expr (gimple_omp_for_final (stmt, i)); | |
| 1831 gimple_omp_for_set_final (copy, i, t); | |
| 1832 t = unshare_expr (gimple_omp_for_incr (stmt, i)); | |
| 1833 gimple_omp_for_set_incr (copy, i, t); | |
| 1834 } | |
| 1835 goto copy_omp_body; | |
| 1836 | |
| 1837 case GIMPLE_OMP_PARALLEL: | |
| 111 | 1838 { |
| 1839 gomp_parallel *omp_par_stmt = as_a <gomp_parallel *> (stmt); | |
| 1840 gomp_parallel *omp_par_copy = as_a <gomp_parallel *> (copy); | |
| 1841 t = unshare_expr (gimple_omp_parallel_clauses (omp_par_stmt)); | |
| 1842 gimple_omp_parallel_set_clauses (omp_par_copy, t); | |
| 1843 t = unshare_expr (gimple_omp_parallel_child_fn (omp_par_stmt)); | |
| 1844 gimple_omp_parallel_set_child_fn (omp_par_copy, t); | |
| 1845 t = unshare_expr (gimple_omp_parallel_data_arg (omp_par_stmt)); | |
| 1846 gimple_omp_parallel_set_data_arg (omp_par_copy, t); | |
| 1847 } | |
| 0 | 1848 goto copy_omp_body; |
| 1849 | |
| 1850 case GIMPLE_OMP_TASK: | |
| 1851 t = unshare_expr (gimple_omp_task_clauses (stmt)); | |
| 1852 gimple_omp_task_set_clauses (copy, t); | |
| 1853 t = unshare_expr (gimple_omp_task_child_fn (stmt)); | |
| 1854 gimple_omp_task_set_child_fn (copy, t); | |
| 1855 t = unshare_expr (gimple_omp_task_data_arg (stmt)); | |
| 1856 gimple_omp_task_set_data_arg (copy, t); | |
| 1857 t = unshare_expr (gimple_omp_task_copy_fn (stmt)); | |
| 1858 gimple_omp_task_set_copy_fn (copy, t); | |
| 1859 t = unshare_expr (gimple_omp_task_arg_size (stmt)); | |
| 1860 gimple_omp_task_set_arg_size (copy, t); | |
| 1861 t = unshare_expr (gimple_omp_task_arg_align (stmt)); | |
| 1862 gimple_omp_task_set_arg_align (copy, t); | |
| 1863 goto copy_omp_body; | |
| 1864 | |
| 1865 case GIMPLE_OMP_CRITICAL: | |
| 111 | 1866 t = unshare_expr (gimple_omp_critical_name |
| 1867 (as_a <gomp_critical *> (stmt))); | |
| 1868 gimple_omp_critical_set_name (as_a <gomp_critical *> (copy), t); | |
| 1869 t = unshare_expr (gimple_omp_critical_clauses | |
| 1870 (as_a <gomp_critical *> (stmt))); | |
| 1871 gimple_omp_critical_set_clauses (as_a <gomp_critical *> (copy), t); | |
| 1872 goto copy_omp_body; | |
| 1873 | |
| 1874 case GIMPLE_OMP_ORDERED: | |
| 1875 t = unshare_expr (gimple_omp_ordered_clauses | |
| 1876 (as_a <gomp_ordered *> (stmt))); | |
| 1877 gimple_omp_ordered_set_clauses (as_a <gomp_ordered *> (copy), t); | |
| 0 | 1878 goto copy_omp_body; |
| 1879 | |
| 1880 case GIMPLE_OMP_SECTIONS: | |
| 1881 t = unshare_expr (gimple_omp_sections_clauses (stmt)); | |
| 1882 gimple_omp_sections_set_clauses (copy, t); | |
| 1883 t = unshare_expr (gimple_omp_sections_control (stmt)); | |
| 1884 gimple_omp_sections_set_control (copy, t); | |
| 111 | 1885 goto copy_omp_body; |
| 0 | 1886 |
| 1887 case GIMPLE_OMP_SINGLE: | |
| 111 | 1888 { |
| 1889 gomp_single *omp_single_copy = as_a <gomp_single *> (copy); | |
| 1890 t = unshare_expr (gimple_omp_single_clauses (stmt)); | |
| 1891 gimple_omp_single_set_clauses (omp_single_copy, t); | |
| 1892 } | |
| 1893 goto copy_omp_body; | |
| 1894 | |
| 1895 case GIMPLE_OMP_TARGET: | |
| 1896 { | |
| 1897 gomp_target *omp_target_stmt = as_a <gomp_target *> (stmt); | |
| 1898 gomp_target *omp_target_copy = as_a <gomp_target *> (copy); | |
| 1899 t = unshare_expr (gimple_omp_target_clauses (omp_target_stmt)); | |
| 1900 gimple_omp_target_set_clauses (omp_target_copy, t); | |
| 1901 t = unshare_expr (gimple_omp_target_data_arg (omp_target_stmt)); | |
| 1902 gimple_omp_target_set_data_arg (omp_target_copy, t); | |
| 1903 } | |
| 1904 goto copy_omp_body; | |
| 1905 | |
| 1906 case GIMPLE_OMP_TEAMS: | |
| 1907 { | |
| 1908 gomp_teams *omp_teams_copy = as_a <gomp_teams *> (copy); | |
| 1909 t = unshare_expr (gimple_omp_teams_clauses (stmt)); | |
| 1910 gimple_omp_teams_set_clauses (omp_teams_copy, t); | |
| 1911 } | |
| 1912 /* FALLTHRU */ | |
| 1913 | |
| 0 | 1914 case GIMPLE_OMP_SECTION: |
| 1915 case GIMPLE_OMP_MASTER: | |
| 111 | 1916 case GIMPLE_OMP_TASKGROUP: |
| 1917 case GIMPLE_OMP_GRID_BODY: | |
| 0 | 1918 copy_omp_body: |
| 1919 new_seq = gimple_seq_copy (gimple_omp_body (stmt)); | |
| 1920 gimple_omp_set_body (copy, new_seq); | |
| 1921 break; | |
| 1922 | |
| 111 | 1923 case GIMPLE_TRANSACTION: |
| 1924 new_seq = gimple_seq_copy (gimple_transaction_body ( | |
| 1925 as_a <gtransaction *> (stmt))); | |
| 1926 gimple_transaction_set_body (as_a <gtransaction *> (copy), | |
| 1927 new_seq); | |
| 1928 break; | |
| 1929 | |
| 0 | 1930 case GIMPLE_WITH_CLEANUP_EXPR: |
| 1931 new_seq = gimple_seq_copy (gimple_wce_cleanup (stmt)); | |
| 1932 gimple_wce_set_cleanup (copy, new_seq); | |
| 1933 break; | |
| 1934 | |
| 1935 default: | |
| 1936 gcc_unreachable (); | |
| 1937 } | |
| 1938 } | |
| 1939 | |
| 1940 /* Make copy of operands. */ | |
| 111 | 1941 for (i = 0; i < num_ops; i++) |
| 1942 gimple_set_op (copy, i, unshare_expr (gimple_op (stmt, i))); | |
| 1943 | |
| 1944 if (gimple_has_mem_ops (stmt)) | |
| 0 | 1945 { |
| 111 | 1946 gimple_set_vdef (copy, gimple_vdef (stmt)); |
| 1947 gimple_set_vuse (copy, gimple_vuse (stmt)); | |
| 1948 } | |
| 1949 | |
| 1950 /* Clear out SSA operand vectors on COPY. */ | |
| 1951 if (gimple_has_ops (stmt)) | |
| 1952 { | |
| 1953 gimple_set_use_ops (copy, NULL); | |
| 0 | 1954 |
|
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1955 /* SSA operands need to be updated. */ |
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1956 gimple_set_modified (copy, true); |
| 0 | 1957 } |
| 1958 | |
| 1959 return copy; | |
| 1960 } | |
| 1961 | |
| 1962 | |
| 1963 /* Return true if statement S has side-effects. We consider a | |
| 1964 statement to have side effects if: | |
| 1965 | |
| 1966 - It is a GIMPLE_CALL not marked with ECF_PURE or ECF_CONST. | |
| 1967 - Any of its operands are marked TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS. */ | |
| 1968 | |
| 1969 bool | |
| 111 | 1970 gimple_has_side_effects (const gimple *s) |
| 0 | 1971 { |
|
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1972 if (is_gimple_debug (s)) |
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1973 return false; |
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1974 |
| 0 | 1975 /* We don't have to scan the arguments to check for |
| 1976 volatile arguments, though, at present, we still | |
| 1977 do a scan to check for TREE_SIDE_EFFECTS. */ | |
| 1978 if (gimple_has_volatile_ops (s)) | |
| 1979 return true; | |
| 1980 | |
| 111 | 1981 if (gimple_code (s) == GIMPLE_ASM |
| 1982 && gimple_asm_volatile_p (as_a <const gasm *> (s))) | |
| 1983 return true; | |
| 0 | 1984 |
| 1985 if (is_gimple_call (s)) | |
| 1986 { | |
| 111 | 1987 int flags = gimple_call_flags (s); |
| 1988 | |
| 1989 /* An infinite loop is considered a side effect. */ | |
| 1990 if (!(flags & (ECF_CONST | ECF_PURE)) | |
| 1991 || (flags & ECF_LOOPING_CONST_OR_PURE)) | |
| 1992 return true; | |
| 0 | 1993 |
| 1994 return false; | |
| 1995 } | |
| 1996 | |
| 1997 return false; | |
| 1998 } | |
| 1999 | |
| 2000 /* Helper for gimple_could_trap_p and gimple_assign_rhs_could_trap_p. | |
|
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2001 Return true if S can trap. When INCLUDE_MEM is true, check whether |
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2002 the memory operations could trap. When INCLUDE_STORES is true and |
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2003 S is a GIMPLE_ASSIGN, the LHS of the assignment is also checked. */ |
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2004 |
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2005 bool |
| 111 | 2006 gimple_could_trap_p_1 (gimple *s, bool include_mem, bool include_stores) |
| 0 | 2007 { |
| 2008 tree t, div = NULL_TREE; | |
| 2009 enum tree_code op; | |
| 2010 | |
|
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2011 if (include_mem) |
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2012 { |
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2013 unsigned i, start = (is_gimple_assign (s) && !include_stores) ? 1 : 0; |
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2014 |
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2015 for (i = start; i < gimple_num_ops (s); i++) |
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2016 if (tree_could_trap_p (gimple_op (s, i))) |
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2017 return true; |
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2018 } |
| 0 | 2019 |
| 2020 switch (gimple_code (s)) | |
| 2021 { | |
| 2022 case GIMPLE_ASM: | |
| 111 | 2023 return gimple_asm_volatile_p (as_a <gasm *> (s)); |
| 0 | 2024 |
| 2025 case GIMPLE_CALL: | |
| 2026 t = gimple_call_fndecl (s); | |
| 2027 /* Assume that calls to weak functions may trap. */ | |
| 2028 if (!t || !DECL_P (t) || DECL_WEAK (t)) | |
|
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2029 return true; |
| 0 | 2030 return false; |
| 2031 | |
| 2032 case GIMPLE_ASSIGN: | |
| 2033 t = gimple_expr_type (s); | |
| 2034 op = gimple_assign_rhs_code (s); | |
| 2035 if (get_gimple_rhs_class (op) == GIMPLE_BINARY_RHS) | |
|
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2036 div = gimple_assign_rhs2 (s); |
| 0 | 2037 return (operation_could_trap_p (op, FLOAT_TYPE_P (t), |
|
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2038 (INTEGRAL_TYPE_P (t) |
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2039 && TYPE_OVERFLOW_TRAPS (t)), |
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2040 div)); |
| 0 | 2041 |
| 111 | 2042 case GIMPLE_COND: |
| 2043 t = TREE_TYPE (gimple_cond_lhs (s)); | |
| 2044 return operation_could_trap_p (gimple_cond_code (s), | |
| 2045 FLOAT_TYPE_P (t), false, NULL_TREE); | |
| 2046 | |
| 0 | 2047 default: |
| 2048 break; | |
| 2049 } | |
| 2050 | |
| 2051 return false; | |
| 2052 } | |
| 2053 | |
| 2054 /* Return true if statement S can trap. */ | |
| 2055 | |
| 2056 bool | |
| 111 | 2057 gimple_could_trap_p (gimple *s) |
| 0 | 2058 { |
|
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2059 return gimple_could_trap_p_1 (s, true, true); |
| 0 | 2060 } |
| 2061 | |
| 2062 /* Return true if RHS of a GIMPLE_ASSIGN S can trap. */ | |
| 2063 | |
| 2064 bool | |
| 111 | 2065 gimple_assign_rhs_could_trap_p (gimple *s) |
| 0 | 2066 { |
| 2067 gcc_assert (is_gimple_assign (s)); | |
|
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2068 return gimple_could_trap_p_1 (s, true, false); |
| 0 | 2069 } |
| 2070 | |
| 2071 | |
| 2072 /* Print debugging information for gimple stmts generated. */ | |
| 2073 | |
| 2074 void | |
| 2075 dump_gimple_statistics (void) | |
| 2076 { | |
| 2077 int i, total_tuples = 0, total_bytes = 0; | |
| 2078 | |
| 111 | 2079 if (! GATHER_STATISTICS) |
| 2080 { | |
| 2081 fprintf (stderr, "No gimple statistics\n"); | |
| 2082 return; | |
| 2083 } | |
| 2084 | |
| 0 | 2085 fprintf (stderr, "\nGIMPLE statements\n"); |
| 2086 fprintf (stderr, "Kind Stmts Bytes\n"); | |
| 2087 fprintf (stderr, "---------------------------------------\n"); | |
| 2088 for (i = 0; i < (int) gimple_alloc_kind_all; ++i) | |
| 2089 { | |
| 2090 fprintf (stderr, "%-20s %7d %10d\n", gimple_alloc_kind_names[i], | |
|
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|
2091 gimple_alloc_counts[i], gimple_alloc_sizes[i]); |
| 0 | 2092 total_tuples += gimple_alloc_counts[i]; |
| 2093 total_bytes += gimple_alloc_sizes[i]; | |
| 2094 } | |
| 2095 fprintf (stderr, "---------------------------------------\n"); | |
| 2096 fprintf (stderr, "%-20s %7d %10d\n", "Total", total_tuples, total_bytes); | |
| 2097 fprintf (stderr, "---------------------------------------\n"); | |
| 2098 } | |
| 2099 | |
| 2100 | |
| 2101 /* Return the number of operands needed on the RHS of a GIMPLE | |
| 2102 assignment for an expression with tree code CODE. */ | |
| 2103 | |
| 2104 unsigned | |
| 2105 get_gimple_rhs_num_ops (enum tree_code code) | |
| 2106 { | |
| 2107 enum gimple_rhs_class rhs_class = get_gimple_rhs_class (code); | |
| 2108 | |
| 2109 if (rhs_class == GIMPLE_UNARY_RHS || rhs_class == GIMPLE_SINGLE_RHS) | |
| 2110 return 1; | |
| 2111 else if (rhs_class == GIMPLE_BINARY_RHS) | |
| 2112 return 2; | |
|
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|
2113 else if (rhs_class == GIMPLE_TERNARY_RHS) |
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|
2114 return 3; |
| 0 | 2115 else |
| 2116 gcc_unreachable (); | |
| 2117 } | |
| 2118 | |
| 2119 #define DEFTREECODE(SYM, STRING, TYPE, NARGS) \ | |
| 2120 (unsigned char) \ | |
| 2121 ((TYPE) == tcc_unary ? GIMPLE_UNARY_RHS \ | |
| 2122 : ((TYPE) == tcc_binary \ | |
| 2123 || (TYPE) == tcc_comparison) ? GIMPLE_BINARY_RHS \ | |
| 2124 : ((TYPE) == tcc_constant \ | |
| 2125 || (TYPE) == tcc_declaration \ | |
| 2126 || (TYPE) == tcc_reference) ? GIMPLE_SINGLE_RHS \ | |
| 2127 : ((SYM) == TRUTH_AND_EXPR \ | |
| 2128 || (SYM) == TRUTH_OR_EXPR \ | |
| 2129 || (SYM) == TRUTH_XOR_EXPR) ? GIMPLE_BINARY_RHS \ | |
| 2130 : (SYM) == TRUTH_NOT_EXPR ? GIMPLE_UNARY_RHS \ | |
| 111 | 2131 : ((SYM) == COND_EXPR \ |
| 2132 || (SYM) == WIDEN_MULT_PLUS_EXPR \ | |
|
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|
2133 || (SYM) == WIDEN_MULT_MINUS_EXPR \ |
| 111 | 2134 || (SYM) == DOT_PROD_EXPR \ |
| 2135 || (SYM) == SAD_EXPR \ | |
| 2136 || (SYM) == REALIGN_LOAD_EXPR \ | |
| 2137 || (SYM) == VEC_COND_EXPR \ | |
| 2138 || (SYM) == VEC_PERM_EXPR \ | |
| 2139 || (SYM) == BIT_INSERT_EXPR \ | |
|
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|
2140 || (SYM) == FMA_EXPR) ? GIMPLE_TERNARY_RHS \ |
| 111 | 2141 : ((SYM) == CONSTRUCTOR \ |
| 0 | 2142 || (SYM) == OBJ_TYPE_REF \ |
| 2143 || (SYM) == ASSERT_EXPR \ | |
| 2144 || (SYM) == ADDR_EXPR \ | |
| 2145 || (SYM) == WITH_SIZE_EXPR \ | |
| 111 | 2146 || (SYM) == SSA_NAME) ? GIMPLE_SINGLE_RHS \ |
| 0 | 2147 : GIMPLE_INVALID_RHS), |
| 2148 #define END_OF_BASE_TREE_CODES (unsigned char) GIMPLE_INVALID_RHS, | |
| 2149 | |
| 2150 const unsigned char gimple_rhs_class_table[] = { | |
| 2151 #include "all-tree.def" | |
| 2152 }; | |
| 2153 | |
| 2154 #undef DEFTREECODE | |
| 2155 #undef END_OF_BASE_TREE_CODES | |
| 2156 | |
| 2157 /* Canonicalize a tree T for use in a COND_EXPR as conditional. Returns | |
| 2158 a canonicalized tree that is valid for a COND_EXPR or NULL_TREE, if | |
| 2159 we failed to create one. */ | |
| 2160 | |
| 2161 tree | |
| 2162 canonicalize_cond_expr_cond (tree t) | |
| 2163 { | |
|
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2164 /* Strip conversions around boolean operations. */ |
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|
2165 if (CONVERT_EXPR_P (t) |
| 111 | 2166 && (truth_value_p (TREE_CODE (TREE_OPERAND (t, 0))) |
| 2167 || TREE_CODE (TREE_TYPE (TREE_OPERAND (t, 0))) | |
| 2168 == BOOLEAN_TYPE)) | |
|
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|
2169 t = TREE_OPERAND (t, 0); |
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2170 |
| 0 | 2171 /* For !x use x == 0. */ |
| 111 | 2172 if (TREE_CODE (t) == TRUTH_NOT_EXPR) |
| 0 | 2173 { |
| 2174 tree top0 = TREE_OPERAND (t, 0); | |
| 2175 t = build2 (EQ_EXPR, TREE_TYPE (t), | |
|
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|
2176 top0, build_int_cst (TREE_TYPE (top0), 0)); |
| 0 | 2177 } |
| 2178 /* For cmp ? 1 : 0 use cmp. */ | |
| 2179 else if (TREE_CODE (t) == COND_EXPR | |
|
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|
2180 && COMPARISON_CLASS_P (TREE_OPERAND (t, 0)) |
|
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|
2181 && integer_onep (TREE_OPERAND (t, 1)) |
|
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|
2182 && integer_zerop (TREE_OPERAND (t, 2))) |
| 0 | 2183 { |
| 2184 tree top0 = TREE_OPERAND (t, 0); | |
| 2185 t = build2 (TREE_CODE (top0), TREE_TYPE (t), | |
|
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|
2186 TREE_OPERAND (top0, 0), TREE_OPERAND (top0, 1)); |
| 0 | 2187 } |
| 111 | 2188 /* For x ^ y use x != y. */ |
| 2189 else if (TREE_CODE (t) == BIT_XOR_EXPR) | |
| 2190 t = build2 (NE_EXPR, TREE_TYPE (t), | |
| 2191 TREE_OPERAND (t, 0), TREE_OPERAND (t, 1)); | |
| 2192 | |
| 0 | 2193 if (is_gimple_condexpr (t)) |
| 2194 return t; | |
| 2195 | |
| 2196 return NULL_TREE; | |
| 2197 } | |
| 2198 | |
| 2199 /* Build a GIMPLE_CALL identical to STMT but skipping the arguments in | |
| 2200 the positions marked by the set ARGS_TO_SKIP. */ | |
| 2201 | |
| 111 | 2202 gcall * |
| 2203 gimple_call_copy_skip_args (gcall *stmt, bitmap args_to_skip) | |
| 0 | 2204 { |
| 2205 int i; | |
| 2206 int nargs = gimple_call_num_args (stmt); | |
| 111 | 2207 auto_vec<tree> vargs (nargs); |
| 2208 gcall *new_stmt; | |
| 0 | 2209 |
| 2210 for (i = 0; i < nargs; i++) | |
| 2211 if (!bitmap_bit_p (args_to_skip, i)) | |
| 111 | 2212 vargs.quick_push (gimple_call_arg (stmt, i)); |
| 2213 | |
| 2214 if (gimple_call_internal_p (stmt)) | |
| 2215 new_stmt = gimple_build_call_internal_vec (gimple_call_internal_fn (stmt), | |
| 2216 vargs); | |
| 2217 else | |
| 2218 new_stmt = gimple_build_call_vec (gimple_call_fn (stmt), vargs); | |
| 2219 | |
| 0 | 2220 if (gimple_call_lhs (stmt)) |
| 2221 gimple_call_set_lhs (new_stmt, gimple_call_lhs (stmt)); | |
| 2222 | |
|
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|
2223 gimple_set_vuse (new_stmt, gimple_vuse (stmt)); |
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|
2224 gimple_set_vdef (new_stmt, gimple_vdef (stmt)); |
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|
2225 |
| 0 | 2226 if (gimple_has_location (stmt)) |
| 2227 gimple_set_location (new_stmt, gimple_location (stmt)); | |
|
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|
2228 gimple_call_copy_flags (new_stmt, stmt); |
| 0 | 2229 gimple_call_set_chain (new_stmt, gimple_call_chain (stmt)); |
|
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2230 |
|
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2231 #ifndef noCbC |
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2232 gimple_call_set_cbc_goto (new_stmt, gimple_call_cbc_goto_p (stmt)); |
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|
2233 #endif |
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|
2234 |
|
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|
2235 gimple_set_modified (new_stmt, true); |
|
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|
2236 |
| 0 | 2237 return new_stmt; |
| 2238 } | |
| 2239 | |
|
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|
2240 |
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|
2241 |
|
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|
2242 /* Return true if the field decls F1 and F2 are at the same offset. |
|
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|
2243 |
| 111 | 2244 This is intended to be used on GIMPLE types only. */ |
|
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|
2245 |
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|
2246 bool |
|
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|
2247 gimple_compare_field_offset (tree f1, tree f2) |
|
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|
2248 { |
|
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|
2249 if (DECL_OFFSET_ALIGN (f1) == DECL_OFFSET_ALIGN (f2)) |
|
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|
2250 { |
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|
2251 tree offset1 = DECL_FIELD_OFFSET (f1); |
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|
2252 tree offset2 = DECL_FIELD_OFFSET (f2); |
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|
2253 return ((offset1 == offset2 |
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|
2254 /* Once gimplification is done, self-referential offsets are |
|
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|
2255 instantiated as operand #2 of the COMPONENT_REF built for |
|
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|
2256 each access and reset. Therefore, they are not relevant |
|
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|
2257 anymore and fields are interchangeable provided that they |
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|
2258 represent the same access. */ |
|
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|
2259 || (TREE_CODE (offset1) == PLACEHOLDER_EXPR |
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|
2260 && TREE_CODE (offset2) == PLACEHOLDER_EXPR |
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2261 && (DECL_SIZE (f1) == DECL_SIZE (f2) |
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2262 || (TREE_CODE (DECL_SIZE (f1)) == PLACEHOLDER_EXPR |
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|
2263 && TREE_CODE (DECL_SIZE (f2)) == PLACEHOLDER_EXPR) |
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|
2264 || operand_equal_p (DECL_SIZE (f1), DECL_SIZE (f2), 0)) |
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2265 && DECL_ALIGN (f1) == DECL_ALIGN (f2)) |
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|
2266 || operand_equal_p (offset1, offset2, 0)) |
|
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2267 && tree_int_cst_equal (DECL_FIELD_BIT_OFFSET (f1), |
|
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|
2268 DECL_FIELD_BIT_OFFSET (f2))); |
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|
2269 } |
|
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|
2270 |
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|
2271 /* Fortran and C do not always agree on what DECL_OFFSET_ALIGN |
|
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|
2272 should be, so handle differing ones specially by decomposing |
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|
2273 the offset into a byte and bit offset manually. */ |
| 111 | 2274 if (tree_fits_shwi_p (DECL_FIELD_OFFSET (f1)) |
| 2275 && tree_fits_shwi_p (DECL_FIELD_OFFSET (f2))) | |
|
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|
2276 { |
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|
2277 unsigned HOST_WIDE_INT byte_offset1, byte_offset2; |
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|
2278 unsigned HOST_WIDE_INT bit_offset1, bit_offset2; |
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|
2279 bit_offset1 = TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (f1)); |
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|
2280 byte_offset1 = (TREE_INT_CST_LOW (DECL_FIELD_OFFSET (f1)) |
|
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merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2281 + bit_offset1 / BITS_PER_UNIT); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2282 bit_offset2 = TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (f2)); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2283 byte_offset2 = (TREE_INT_CST_LOW (DECL_FIELD_OFFSET (f2)) |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2284 + bit_offset2 / BITS_PER_UNIT); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2285 if (byte_offset1 != byte_offset2) |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2286 return false; |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2287 return bit_offset1 % BITS_PER_UNIT == bit_offset2 % BITS_PER_UNIT; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2288 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2289 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2290 return false; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2291 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2292 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2293 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2294 /* Return a type the same as TYPE except unsigned or |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2295 signed according to UNSIGNEDP. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2296 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2297 static tree |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2298 gimple_signed_or_unsigned_type (bool unsignedp, tree type) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2299 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2300 tree type1; |
| 111 | 2301 int i; |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2302 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2303 type1 = TYPE_MAIN_VARIANT (type); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2304 if (type1 == signed_char_type_node |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2305 || type1 == char_type_node |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2306 || type1 == unsigned_char_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2307 return unsignedp ? unsigned_char_type_node : signed_char_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2308 if (type1 == integer_type_node || type1 == unsigned_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2309 return unsignedp ? unsigned_type_node : integer_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2310 if (type1 == short_integer_type_node || type1 == short_unsigned_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2311 return unsignedp ? short_unsigned_type_node : short_integer_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2312 if (type1 == long_integer_type_node || type1 == long_unsigned_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2313 return unsignedp ? long_unsigned_type_node : long_integer_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2314 if (type1 == long_long_integer_type_node |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2315 || type1 == long_long_unsigned_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2316 return unsignedp |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2317 ? long_long_unsigned_type_node |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2318 : long_long_integer_type_node; |
| 111 | 2319 |
| 2320 for (i = 0; i < NUM_INT_N_ENTS; i ++) | |
| 2321 if (int_n_enabled_p[i] | |
| 2322 && (type1 == int_n_trees[i].unsigned_type | |
| 2323 || type1 == int_n_trees[i].signed_type)) | |
| 2324 return unsignedp | |
| 2325 ? int_n_trees[i].unsigned_type | |
| 2326 : int_n_trees[i].signed_type; | |
| 2327 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2328 #if HOST_BITS_PER_WIDE_INT >= 64 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2329 if (type1 == intTI_type_node || type1 == unsigned_intTI_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2330 return unsignedp ? unsigned_intTI_type_node : intTI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2331 #endif |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2332 if (type1 == intDI_type_node || type1 == unsigned_intDI_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2333 return unsignedp ? unsigned_intDI_type_node : intDI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2334 if (type1 == intSI_type_node || type1 == unsigned_intSI_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2335 return unsignedp ? unsigned_intSI_type_node : intSI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2336 if (type1 == intHI_type_node || type1 == unsigned_intHI_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2337 return unsignedp ? unsigned_intHI_type_node : intHI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2338 if (type1 == intQI_type_node || type1 == unsigned_intQI_type_node) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2339 return unsignedp ? unsigned_intQI_type_node : intQI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2340 |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2341 #define GIMPLE_FIXED_TYPES(NAME) \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2342 if (type1 == short_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2343 || type1 == unsigned_short_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2344 return unsignedp ? unsigned_short_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2345 : short_ ## NAME ## _type_node; \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2346 if (type1 == NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2347 || type1 == unsigned_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2348 return unsignedp ? unsigned_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2349 : NAME ## _type_node; \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2350 if (type1 == long_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2351 || type1 == unsigned_long_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2352 return unsignedp ? unsigned_long_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2353 : long_ ## NAME ## _type_node; \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2354 if (type1 == long_long_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2355 || type1 == unsigned_long_long_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2356 return unsignedp ? unsigned_long_long_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2357 : long_long_ ## NAME ## _type_node; |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2358 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2359 #define GIMPLE_FIXED_MODE_TYPES(NAME) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2360 if (type1 == NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2361 || type1 == u ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2362 return unsignedp ? u ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2363 : NAME ## _type_node; |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2364 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2365 #define GIMPLE_FIXED_TYPES_SAT(NAME) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2366 if (type1 == sat_ ## short_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2367 || type1 == sat_ ## unsigned_short_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2368 return unsignedp ? sat_ ## unsigned_short_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2369 : sat_ ## short_ ## NAME ## _type_node; \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2370 if (type1 == sat_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2371 || type1 == sat_ ## unsigned_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2372 return unsignedp ? sat_ ## unsigned_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2373 : sat_ ## NAME ## _type_node; \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2374 if (type1 == sat_ ## long_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2375 || type1 == sat_ ## unsigned_long_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2376 return unsignedp ? sat_ ## unsigned_long_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2377 : sat_ ## long_ ## NAME ## _type_node; \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2378 if (type1 == sat_ ## long_long_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2379 || type1 == sat_ ## unsigned_long_long_ ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2380 return unsignedp ? sat_ ## unsigned_long_long_ ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2381 : sat_ ## long_long_ ## NAME ## _type_node; |
|
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2382 |
|
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2383 #define GIMPLE_FIXED_MODE_TYPES_SAT(NAME) \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2384 if (type1 == sat_ ## NAME ## _type_node \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2385 || type1 == sat_ ## u ## NAME ## _type_node) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2386 return unsignedp ? sat_ ## u ## NAME ## _type_node \ |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2387 : sat_ ## NAME ## _type_node; |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2388 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2389 GIMPLE_FIXED_TYPES (fract); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2390 GIMPLE_FIXED_TYPES_SAT (fract); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2391 GIMPLE_FIXED_TYPES (accum); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2392 GIMPLE_FIXED_TYPES_SAT (accum); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2393 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2394 GIMPLE_FIXED_MODE_TYPES (qq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2395 GIMPLE_FIXED_MODE_TYPES (hq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2396 GIMPLE_FIXED_MODE_TYPES (sq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2397 GIMPLE_FIXED_MODE_TYPES (dq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2398 GIMPLE_FIXED_MODE_TYPES (tq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2399 GIMPLE_FIXED_MODE_TYPES_SAT (qq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2400 GIMPLE_FIXED_MODE_TYPES_SAT (hq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2401 GIMPLE_FIXED_MODE_TYPES_SAT (sq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2402 GIMPLE_FIXED_MODE_TYPES_SAT (dq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2403 GIMPLE_FIXED_MODE_TYPES_SAT (tq); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2404 GIMPLE_FIXED_MODE_TYPES (ha); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2405 GIMPLE_FIXED_MODE_TYPES (sa); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2406 GIMPLE_FIXED_MODE_TYPES (da); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2407 GIMPLE_FIXED_MODE_TYPES (ta); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2408 GIMPLE_FIXED_MODE_TYPES_SAT (ha); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2409 GIMPLE_FIXED_MODE_TYPES_SAT (sa); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2410 GIMPLE_FIXED_MODE_TYPES_SAT (da); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2411 GIMPLE_FIXED_MODE_TYPES_SAT (ta); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2412 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2413 /* For ENUMERAL_TYPEs in C++, must check the mode of the types, not |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2414 the precision; they have precision set to match their range, but |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2415 may use a wider mode to match an ABI. If we change modes, we may |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2416 wind up with bad conversions. For INTEGER_TYPEs in C, must check |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2417 the precision as well, so as to yield correct results for |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2418 bit-field types. C++ does not have these separate bit-field |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2419 types, and producing a signed or unsigned variant of an |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2420 ENUMERAL_TYPE may cause other problems as well. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2421 if (!INTEGRAL_TYPE_P (type) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2422 || TYPE_UNSIGNED (type) == unsignedp) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2423 return type; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2424 |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2425 #define TYPE_OK(node) \ |
|
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2426 (TYPE_MODE (type) == TYPE_MODE (node) \ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2427 && TYPE_PRECISION (type) == TYPE_PRECISION (node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2428 if (TYPE_OK (signed_char_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2429 return unsignedp ? unsigned_char_type_node : signed_char_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2430 if (TYPE_OK (integer_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2431 return unsignedp ? unsigned_type_node : integer_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2432 if (TYPE_OK (short_integer_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2433 return unsignedp ? short_unsigned_type_node : short_integer_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2434 if (TYPE_OK (long_integer_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2435 return unsignedp ? long_unsigned_type_node : long_integer_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2436 if (TYPE_OK (long_long_integer_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2437 return (unsignedp |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2438 ? long_long_unsigned_type_node |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2439 : long_long_integer_type_node); |
| 111 | 2440 |
| 2441 for (i = 0; i < NUM_INT_N_ENTS; i ++) | |
| 2442 if (int_n_enabled_p[i] | |
| 2443 && TYPE_MODE (type) == int_n_data[i].m | |
| 2444 && TYPE_PRECISION (type) == int_n_data[i].bitsize) | |
| 2445 return unsignedp | |
| 2446 ? int_n_trees[i].unsigned_type | |
| 2447 : int_n_trees[i].signed_type; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2448 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2449 #if HOST_BITS_PER_WIDE_INT >= 64 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2450 if (TYPE_OK (intTI_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2451 return unsignedp ? unsigned_intTI_type_node : intTI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2452 #endif |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2453 if (TYPE_OK (intDI_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2454 return unsignedp ? unsigned_intDI_type_node : intDI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2455 if (TYPE_OK (intSI_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2456 return unsignedp ? unsigned_intSI_type_node : intSI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2457 if (TYPE_OK (intHI_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2458 return unsignedp ? unsigned_intHI_type_node : intHI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2459 if (TYPE_OK (intQI_type_node)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2460 return unsignedp ? unsigned_intQI_type_node : intQI_type_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2461 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2462 #undef GIMPLE_FIXED_TYPES |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2463 #undef GIMPLE_FIXED_MODE_TYPES |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2464 #undef GIMPLE_FIXED_TYPES_SAT |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2465 #undef GIMPLE_FIXED_MODE_TYPES_SAT |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2466 #undef TYPE_OK |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2467 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2468 return build_nonstandard_integer_type (TYPE_PRECISION (type), unsignedp); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2469 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2470 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2471 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2472 /* Return an unsigned type the same as TYPE in other respects. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2473 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2474 tree |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2475 gimple_unsigned_type (tree type) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2476 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2477 return gimple_signed_or_unsigned_type (true, type); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2478 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2479 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2480 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2481 /* Return a signed type the same as TYPE in other respects. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2482 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2483 tree |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2484 gimple_signed_type (tree type) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2485 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2486 return gimple_signed_or_unsigned_type (false, type); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2487 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2488 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2489 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2490 /* Return the typed-based alias set for T, which may be an expression |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2491 or a type. Return -1 if we don't do anything special. */ |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2492 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2493 alias_set_type |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2494 gimple_get_alias_set (tree t) |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2495 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2496 /* That's all the expressions we handle specially. */ |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2497 if (!TYPE_P (t)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2498 return -1; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2499 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2500 /* For convenience, follow the C standard when dealing with |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2501 character types. Any object may be accessed via an lvalue that |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2502 has character type. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2503 if (t == char_type_node |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2504 || t == signed_char_type_node |
|
77e2b8dfacca
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parents:
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diff
changeset
|
2505 || t == unsigned_char_type_node) |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2506 return 0; |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2507 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2508 /* Allow aliasing between signed and unsigned variants of the same |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2509 type. We treat the signed variant as canonical. */ |
|
77e2b8dfacca
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parents:
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diff
changeset
|
2510 if (TREE_CODE (t) == INTEGER_TYPE && TYPE_UNSIGNED (t)) |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2511 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2512 tree t1 = gimple_signed_type (t); |
|
77e2b8dfacca
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parents:
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diff
changeset
|
2513 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2514 /* t1 == t can happen for boolean nodes which are always unsigned. */ |
|
77e2b8dfacca
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parents:
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diff
changeset
|
2515 if (t1 != t) |
|
70
b81903832de2
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2516 return get_alias_set (t1); |
|
55
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parents:
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diff
changeset
|
2517 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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diff
changeset
|
2518 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
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|
2519 return -1; |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2520 } |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2521 |
|
77e2b8dfacca
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0
diff
changeset
|
2522 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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0
diff
changeset
|
2523 /* Helper for gimple_ior_addresses_taken_1. */ |
|
77e2b8dfacca
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0
diff
changeset
|
2524 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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0
diff
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|
2525 static bool |
| 111 | 2526 gimple_ior_addresses_taken_1 (gimple *, tree addr, tree, void *data) |
|
55
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diff
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|
2527 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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0
diff
changeset
|
2528 bitmap addresses_taken = (bitmap)data; |
|
63
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55
diff
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|
2529 addr = get_base_address (addr); |
|
b7f97abdc517
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parents:
55
diff
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|
2530 if (addr |
|
b7f97abdc517
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55
diff
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|
2531 && DECL_P (addr)) |
|
55
77e2b8dfacca
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parents:
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diff
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|
2532 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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0
diff
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|
2533 bitmap_set_bit (addresses_taken, DECL_UID (addr)); |
|
77e2b8dfacca
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diff
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|
2534 return true; |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2535 } |
|
77e2b8dfacca
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0
diff
changeset
|
2536 return false; |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2537 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2538 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2539 /* Set the bit for the uid of all decls that have their address taken |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2540 in STMT in the ADDRESSES_TAKEN bitmap. Returns true if there |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2541 were any in this stmt. */ |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
2542 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
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|
2543 bool |
| 111 | 2544 gimple_ior_addresses_taken (bitmap addresses_taken, gimple *stmt) |
|
55
77e2b8dfacca
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parents:
0
diff
changeset
|
2545 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2546 return walk_stmt_load_store_addr_ops (stmt, addresses_taken, NULL, NULL, |
|
70
b81903832de2
merge c-decl.c
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
69
diff
changeset
|
2547 gimple_ior_addresses_taken_1); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2548 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2549 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
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|
2550 |
| 111 | 2551 /* Return true when STMTs arguments and return value match those of FNDECL, |
| 2552 a decl of a builtin function. */ | |
| 2553 | |
| 2554 bool | |
| 2555 gimple_builtin_call_types_compatible_p (const gimple *stmt, tree fndecl) | |
|
55
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parents:
0
diff
changeset
|
2556 { |
| 111 | 2557 gcc_checking_assert (DECL_BUILT_IN_CLASS (fndecl) != NOT_BUILT_IN); |
| 2558 | |
| 2559 tree ret = gimple_call_lhs (stmt); | |
| 2560 if (ret | |
| 2561 && !useless_type_conversion_p (TREE_TYPE (ret), | |
| 2562 TREE_TYPE (TREE_TYPE (fndecl)))) | |
| 2563 return false; | |
| 2564 | |
| 2565 tree targs = TYPE_ARG_TYPES (TREE_TYPE (fndecl)); | |
| 2566 unsigned nargs = gimple_call_num_args (stmt); | |
| 2567 for (unsigned i = 0; i < nargs; ++i) | |
|
55
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parents:
0
diff
changeset
|
2568 { |
| 111 | 2569 /* Variadic args follow. */ |
| 2570 if (!targs) | |
| 2571 return true; | |
| 2572 tree arg = gimple_call_arg (stmt, i); | |
| 2573 tree type = TREE_VALUE (targs); | |
| 2574 if (!useless_type_conversion_p (type, TREE_TYPE (arg)) | |
| 2575 /* char/short integral arguments are promoted to int | |
| 2576 by several frontends if targetm.calls.promote_prototypes | |
| 2577 is true. Allow such promotion too. */ | |
| 2578 && !(INTEGRAL_TYPE_P (type) | |
| 2579 && TYPE_PRECISION (type) < TYPE_PRECISION (integer_type_node) | |
| 2580 && targetm.calls.promote_prototypes (TREE_TYPE (fndecl)) | |
| 2581 && useless_type_conversion_p (integer_type_node, | |
| 2582 TREE_TYPE (arg)))) | |
| 2583 return false; | |
| 2584 targs = TREE_CHAIN (targs); | |
|
55
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2585 } |
| 111 | 2586 if (targs && !VOID_TYPE_P (TREE_VALUE (targs))) |
| 2587 return false; | |
| 2588 return true; | |
| 2589 } | |
| 2590 | |
| 2591 /* Return true when STMT is builtins call. */ | |
| 2592 | |
| 2593 bool | |
| 2594 gimple_call_builtin_p (const gimple *stmt) | |
| 2595 { | |
| 2596 tree fndecl; | |
| 2597 if (is_gimple_call (stmt) | |
| 2598 && (fndecl = gimple_call_fndecl (stmt)) != NULL_TREE | |
| 2599 && DECL_BUILT_IN_CLASS (fndecl) != NOT_BUILT_IN) | |
| 2600 return gimple_builtin_call_types_compatible_p (stmt, fndecl); | |
| 2601 return false; | |
| 2602 } | |
| 2603 | |
| 2604 /* Return true when STMT is builtins call to CLASS. */ | |
| 2605 | |
| 2606 bool | |
| 2607 gimple_call_builtin_p (const gimple *stmt, enum built_in_class klass) | |
| 2608 { | |
| 2609 tree fndecl; | |
| 2610 if (is_gimple_call (stmt) | |
| 2611 && (fndecl = gimple_call_fndecl (stmt)) != NULL_TREE | |
| 2612 && DECL_BUILT_IN_CLASS (fndecl) == klass) | |
| 2613 return gimple_builtin_call_types_compatible_p (stmt, fndecl); | |
| 2614 return false; | |
|
55
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parents:
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diff
changeset
|
2615 } |
|
77e2b8dfacca
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0
diff
changeset
|
2616 |
| 111 | 2617 /* Return true when STMT is builtins call to CODE of CLASS. */ |
| 2618 | |
| 2619 bool | |
| 2620 gimple_call_builtin_p (const gimple *stmt, enum built_in_function code) | |
| 2621 { | |
| 2622 tree fndecl; | |
| 2623 if (is_gimple_call (stmt) | |
| 2624 && (fndecl = gimple_call_fndecl (stmt)) != NULL_TREE | |
| 2625 && DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL | |
| 2626 && DECL_FUNCTION_CODE (fndecl) == code) | |
| 2627 return gimple_builtin_call_types_compatible_p (stmt, fndecl); | |
| 2628 return false; | |
| 2629 } | |
| 2630 | |
| 2631 /* If CALL is a call to a combined_fn (i.e. an internal function or | |
| 2632 a normal built-in function), return its code, otherwise return | |
| 2633 CFN_LAST. */ | |
| 2634 | |
| 2635 combined_fn | |
| 2636 gimple_call_combined_fn (const gimple *stmt) | |
| 2637 { | |
| 2638 if (const gcall *call = dyn_cast <const gcall *> (stmt)) | |
| 2639 { | |
| 2640 if (gimple_call_internal_p (call)) | |
| 2641 return as_combined_fn (gimple_call_internal_fn (call)); | |
| 2642 | |
| 2643 tree fndecl = gimple_call_fndecl (stmt); | |
| 2644 if (fndecl | |
| 2645 && DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL | |
| 2646 && gimple_builtin_call_types_compatible_p (stmt, fndecl)) | |
| 2647 return as_combined_fn (DECL_FUNCTION_CODE (fndecl)); | |
| 2648 } | |
| 2649 return CFN_LAST; | |
| 2650 } | |
| 2651 | |
| 2652 /* Return true if STMT clobbers memory. STMT is required to be a | |
| 2653 GIMPLE_ASM. */ | |
|
67
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63
diff
changeset
|
2654 |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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63
diff
changeset
|
2655 bool |
| 111 | 2656 gimple_asm_clobbers_memory_p (const gasm *stmt) |
| 2657 { | |
| 2658 unsigned i; | |
| 2659 | |
| 2660 for (i = 0; i < gimple_asm_nclobbers (stmt); i++) | |
| 2661 { | |
| 2662 tree op = gimple_asm_clobber_op (stmt, i); | |
| 2663 if (strcmp (TREE_STRING_POINTER (TREE_VALUE (op)), "memory") == 0) | |
| 2664 return true; | |
| 2665 } | |
| 2666 | |
| 2667 /* Non-empty basic ASM implicitly clobbers memory. */ | |
| 2668 if (gimple_asm_input_p (stmt) && strlen (gimple_asm_string (stmt)) != 0) | |
| 2669 return true; | |
| 2670 | |
| 2671 return false; | |
| 2672 } | |
| 2673 | |
| 2674 /* Dump bitmap SET (assumed to contain VAR_DECLs) to FILE. */ | |
| 2675 | |
| 2676 void | |
| 2677 dump_decl_set (FILE *file, bitmap set) | |
| 2678 { | |
| 2679 if (set) | |
| 2680 { | |
| 2681 bitmap_iterator bi; | |
| 2682 unsigned i; | |
| 2683 | |
| 2684 fprintf (file, "{ "); | |
| 2685 | |
| 2686 EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi) | |
| 2687 { | |
| 2688 fprintf (file, "D.%u", i); | |
| 2689 fprintf (file, " "); | |
| 2690 } | |
| 2691 | |
| 2692 fprintf (file, "}"); | |
| 2693 } | |
| 2694 else | |
| 2695 fprintf (file, "NIL"); | |
| 2696 } | |
| 2697 | |
| 2698 /* Return true when CALL is a call stmt that definitely doesn't | |
| 2699 free any memory or makes it unavailable otherwise. */ | |
| 2700 bool | |
| 2701 nonfreeing_call_p (gimple *call) | |
| 2702 { | |
| 2703 if (gimple_call_builtin_p (call, BUILT_IN_NORMAL) | |
| 2704 && gimple_call_flags (call) & ECF_LEAF) | |
| 2705 switch (DECL_FUNCTION_CODE (gimple_call_fndecl (call))) | |
| 2706 { | |
| 2707 /* Just in case these become ECF_LEAF in the future. */ | |
| 2708 case BUILT_IN_FREE: | |
| 2709 case BUILT_IN_TM_FREE: | |
| 2710 case BUILT_IN_REALLOC: | |
| 2711 case BUILT_IN_STACK_RESTORE: | |
| 2712 return false; | |
| 2713 default: | |
| 2714 return true; | |
| 2715 } | |
| 2716 else if (gimple_call_internal_p (call)) | |
| 2717 switch (gimple_call_internal_fn (call)) | |
| 2718 { | |
| 2719 case IFN_ABNORMAL_DISPATCHER: | |
| 2720 return true; | |
| 2721 case IFN_ASAN_MARK: | |
| 2722 return tree_to_uhwi (gimple_call_arg (call, 0)) == ASAN_MARK_UNPOISON; | |
| 2723 default: | |
| 2724 if (gimple_call_flags (call) & ECF_LEAF) | |
| 2725 return true; | |
| 2726 return false; | |
| 2727 } | |
| 2728 | |
| 2729 tree fndecl = gimple_call_fndecl (call); | |
| 2730 if (!fndecl) | |
| 2731 return false; | |
| 2732 struct cgraph_node *n = cgraph_node::get (fndecl); | |
| 2733 if (!n) | |
| 2734 return false; | |
| 2735 enum availability availability; | |
| 2736 n = n->function_symbol (&availability); | |
| 2737 if (!n || availability <= AVAIL_INTERPOSABLE) | |
| 2738 return false; | |
| 2739 return n->nonfreeing_fn; | |
| 2740 } | |
| 2741 | |
| 2742 /* Return true when CALL is a call stmt that definitely need not | |
| 2743 be considered to be a memory barrier. */ | |
| 2744 bool | |
| 2745 nonbarrier_call_p (gimple *call) | |
| 2746 { | |
| 2747 if (gimple_call_flags (call) & (ECF_PURE | ECF_CONST)) | |
| 2748 return true; | |
| 2749 /* Should extend this to have a nonbarrier_fn flag, just as above in | |
| 2750 the nonfreeing case. */ | |
| 2751 return false; | |
| 2752 } | |
| 2753 | |
| 2754 /* Callback for walk_stmt_load_store_ops. | |
| 2755 | |
| 2756 Return TRUE if OP will dereference the tree stored in DATA, FALSE | |
| 2757 otherwise. | |
| 2758 | |
| 2759 This routine only makes a superficial check for a dereference. Thus | |
| 2760 it must only be used if it is safe to return a false negative. */ | |
| 2761 static bool | |
| 2762 check_loadstore (gimple *, tree op, tree, void *data) | |
| 2763 { | |
| 2764 if (TREE_CODE (op) == MEM_REF || TREE_CODE (op) == TARGET_MEM_REF) | |
| 2765 { | |
| 2766 /* Some address spaces may legitimately dereference zero. */ | |
| 2767 addr_space_t as = TYPE_ADDR_SPACE (TREE_TYPE (op)); | |
| 2768 if (targetm.addr_space.zero_address_valid (as)) | |
| 2769 return false; | |
| 2770 | |
| 2771 return operand_equal_p (TREE_OPERAND (op, 0), (tree)data, 0); | |
| 2772 } | |
| 2773 return false; | |
| 2774 } | |
| 2775 | |
| 2776 | |
| 2777 /* Return true if OP can be inferred to be non-NULL after STMT executes, | |
| 2778 either by using a pointer dereference or attributes. */ | |
| 2779 bool | |
| 2780 infer_nonnull_range (gimple *stmt, tree op) | |
| 2781 { | |
| 2782 return infer_nonnull_range_by_dereference (stmt, op) | |
| 2783 || infer_nonnull_range_by_attribute (stmt, op); | |
| 2784 } | |
| 2785 | |
| 2786 /* Return true if OP can be inferred to be non-NULL after STMT | |
| 2787 executes by using a pointer dereference. */ | |
| 2788 bool | |
| 2789 infer_nonnull_range_by_dereference (gimple *stmt, tree op) | |
| 2790 { | |
| 2791 /* We can only assume that a pointer dereference will yield | |
| 2792 non-NULL if -fdelete-null-pointer-checks is enabled. */ | |
| 2793 if (!flag_delete_null_pointer_checks | |
| 2794 || !POINTER_TYPE_P (TREE_TYPE (op)) | |
| 2795 || gimple_code (stmt) == GIMPLE_ASM) | |
| 2796 return false; | |
| 2797 | |
| 2798 if (walk_stmt_load_store_ops (stmt, (void *)op, | |
| 2799 check_loadstore, check_loadstore)) | |
| 2800 return true; | |
| 2801 | |
| 2802 return false; | |
| 2803 } | |
| 2804 | |
| 2805 /* Return true if OP can be inferred to be a non-NULL after STMT | |
| 2806 executes by using attributes. */ | |
| 2807 bool | |
| 2808 infer_nonnull_range_by_attribute (gimple *stmt, tree op) | |
| 2809 { | |
| 2810 /* We can only assume that a pointer dereference will yield | |
| 2811 non-NULL if -fdelete-null-pointer-checks is enabled. */ | |
| 2812 if (!flag_delete_null_pointer_checks | |
| 2813 || !POINTER_TYPE_P (TREE_TYPE (op)) | |
| 2814 || gimple_code (stmt) == GIMPLE_ASM) | |
| 2815 return false; | |
| 2816 | |
| 2817 if (is_gimple_call (stmt) && !gimple_call_internal_p (stmt)) | |
| 2818 { | |
| 2819 tree fntype = gimple_call_fntype (stmt); | |
| 2820 tree attrs = TYPE_ATTRIBUTES (fntype); | |
| 2821 for (; attrs; attrs = TREE_CHAIN (attrs)) | |
| 2822 { | |
| 2823 attrs = lookup_attribute ("nonnull", attrs); | |
| 2824 | |
| 2825 /* If "nonnull" wasn't specified, we know nothing about | |
| 2826 the argument. */ | |
| 2827 if (attrs == NULL_TREE) | |
| 2828 return false; | |
| 2829 | |
| 2830 /* If "nonnull" applies to all the arguments, then ARG | |
| 2831 is non-null if it's in the argument list. */ | |
| 2832 if (TREE_VALUE (attrs) == NULL_TREE) | |
| 2833 { | |
| 2834 for (unsigned int i = 0; i < gimple_call_num_args (stmt); i++) | |
| 2835 { | |
| 2836 if (POINTER_TYPE_P (TREE_TYPE (gimple_call_arg (stmt, i))) | |
| 2837 && operand_equal_p (op, gimple_call_arg (stmt, i), 0)) | |
| 2838 return true; | |
| 2839 } | |
| 2840 return false; | |
| 2841 } | |
| 2842 | |
| 2843 /* Now see if op appears in the nonnull list. */ | |
| 2844 for (tree t = TREE_VALUE (attrs); t; t = TREE_CHAIN (t)) | |
| 2845 { | |
| 2846 unsigned int idx = TREE_INT_CST_LOW (TREE_VALUE (t)) - 1; | |
| 2847 if (idx < gimple_call_num_args (stmt)) | |
| 2848 { | |
| 2849 tree arg = gimple_call_arg (stmt, idx); | |
| 2850 if (operand_equal_p (op, arg, 0)) | |
| 2851 return true; | |
| 2852 } | |
| 2853 } | |
| 2854 } | |
| 2855 } | |
| 2856 | |
| 2857 /* If this function is marked as returning non-null, then we can | |
| 2858 infer OP is non-null if it is used in the return statement. */ | |
| 2859 if (greturn *return_stmt = dyn_cast <greturn *> (stmt)) | |
| 2860 if (gimple_return_retval (return_stmt) | |
| 2861 && operand_equal_p (gimple_return_retval (return_stmt), op, 0) | |
| 2862 && lookup_attribute ("returns_nonnull", | |
| 2863 TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl)))) | |
| 2864 return true; | |
| 2865 | |
| 2866 return false; | |
| 2867 } | |
| 2868 | |
| 2869 /* Compare two case labels. Because the front end should already have | |
| 2870 made sure that case ranges do not overlap, it is enough to only compare | |
| 2871 the CASE_LOW values of each case label. */ | |
| 2872 | |
| 2873 static int | |
| 2874 compare_case_labels (const void *p1, const void *p2) | |
| 2875 { | |
| 2876 const_tree const case1 = *(const_tree const*)p1; | |
| 2877 const_tree const case2 = *(const_tree const*)p2; | |
| 2878 | |
| 2879 /* The 'default' case label always goes first. */ | |
| 2880 if (!CASE_LOW (case1)) | |
| 2881 return -1; | |
| 2882 else if (!CASE_LOW (case2)) | |
| 2883 return 1; | |
| 2884 else | |
| 2885 return tree_int_cst_compare (CASE_LOW (case1), CASE_LOW (case2)); | |
| 2886 } | |
| 2887 | |
| 2888 /* Sort the case labels in LABEL_VEC in place in ascending order. */ | |
| 2889 | |
| 2890 void | |
| 2891 sort_case_labels (vec<tree> label_vec) | |
| 2892 { | |
| 2893 label_vec.qsort (compare_case_labels); | |
| 2894 } | |
| 2895 | |
| 2896 /* Prepare a vector of case labels to be used in a GIMPLE_SWITCH statement. | |
| 2897 | |
| 2898 LABELS is a vector that contains all case labels to look at. | |
| 2899 | |
| 2900 INDEX_TYPE is the type of the switch index expression. Case labels | |
| 2901 in LABELS are discarded if their values are not in the value range | |
| 2902 covered by INDEX_TYPE. The remaining case label values are folded | |
| 2903 to INDEX_TYPE. | |
| 2904 | |
| 2905 If a default case exists in LABELS, it is removed from LABELS and | |
| 2906 returned in DEFAULT_CASEP. If no default case exists, but the | |
| 2907 case labels already cover the whole range of INDEX_TYPE, a default | |
| 2908 case is returned pointing to one of the existing case labels. | |
| 2909 Otherwise DEFAULT_CASEP is set to NULL_TREE. | |
| 2910 | |
| 2911 DEFAULT_CASEP may be NULL, in which case the above comment doesn't | |
| 2912 apply and no action is taken regardless of whether a default case is | |
| 2913 found or not. */ | |
| 2914 | |
| 2915 void | |
| 2916 preprocess_case_label_vec_for_gimple (vec<tree> labels, | |
| 2917 tree index_type, | |
| 2918 tree *default_casep) | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2919 { |
| 111 | 2920 tree min_value, max_value; |
| 2921 tree default_case = NULL_TREE; | |
| 2922 size_t i, len; | |
| 2923 | |
| 2924 i = 0; | |
| 2925 min_value = TYPE_MIN_VALUE (index_type); | |
| 2926 max_value = TYPE_MAX_VALUE (index_type); | |
| 2927 while (i < labels.length ()) | |
| 2928 { | |
| 2929 tree elt = labels[i]; | |
| 2930 tree low = CASE_LOW (elt); | |
| 2931 tree high = CASE_HIGH (elt); | |
| 2932 bool remove_element = FALSE; | |
| 2933 | |
| 2934 if (low) | |
| 2935 { | |
| 2936 gcc_checking_assert (TREE_CODE (low) == INTEGER_CST); | |
| 2937 gcc_checking_assert (!high || TREE_CODE (high) == INTEGER_CST); | |
| 2938 | |
| 2939 /* This is a non-default case label, i.e. it has a value. | |
| 2940 | |
| 2941 See if the case label is reachable within the range of | |
| 2942 the index type. Remove out-of-range case values. Turn | |
| 2943 case ranges into a canonical form (high > low strictly) | |
| 2944 and convert the case label values to the index type. | |
| 2945 | |
| 2946 NB: The type of gimple_switch_index() may be the promoted | |
| 2947 type, but the case labels retain the original type. */ | |
| 2948 | |
| 2949 if (high) | |
| 2950 { | |
| 2951 /* This is a case range. Discard empty ranges. | |
| 2952 If the bounds or the range are equal, turn this | |
| 2953 into a simple (one-value) case. */ | |
| 2954 int cmp = tree_int_cst_compare (high, low); | |
| 2955 if (cmp < 0) | |
| 2956 remove_element = TRUE; | |
| 2957 else if (cmp == 0) | |
| 2958 high = NULL_TREE; | |
| 2959 } | |
| 2960 | |
| 2961 if (! high) | |
| 2962 { | |
| 2963 /* If the simple case value is unreachable, ignore it. */ | |
| 2964 if ((TREE_CODE (min_value) == INTEGER_CST | |
| 2965 && tree_int_cst_compare (low, min_value) < 0) | |
| 2966 || (TREE_CODE (max_value) == INTEGER_CST | |
| 2967 && tree_int_cst_compare (low, max_value) > 0)) | |
| 2968 remove_element = TRUE; | |
| 2969 else | |
| 2970 low = fold_convert (index_type, low); | |
| 2971 } | |
| 2972 else | |
| 2973 { | |
| 2974 /* If the entire case range is unreachable, ignore it. */ | |
| 2975 if ((TREE_CODE (min_value) == INTEGER_CST | |
| 2976 && tree_int_cst_compare (high, min_value) < 0) | |
| 2977 || (TREE_CODE (max_value) == INTEGER_CST | |
| 2978 && tree_int_cst_compare (low, max_value) > 0)) | |
| 2979 remove_element = TRUE; | |
| 2980 else | |
| 2981 { | |
| 2982 /* If the lower bound is less than the index type's | |
| 2983 minimum value, truncate the range bounds. */ | |
| 2984 if (TREE_CODE (min_value) == INTEGER_CST | |
| 2985 && tree_int_cst_compare (low, min_value) < 0) | |
| 2986 low = min_value; | |
| 2987 low = fold_convert (index_type, low); | |
| 2988 | |
| 2989 /* If the upper bound is greater than the index type's | |
| 2990 maximum value, truncate the range bounds. */ | |
| 2991 if (TREE_CODE (max_value) == INTEGER_CST | |
| 2992 && tree_int_cst_compare (high, max_value) > 0) | |
| 2993 high = max_value; | |
| 2994 high = fold_convert (index_type, high); | |
| 2995 | |
| 2996 /* We may have folded a case range to a one-value case. */ | |
| 2997 if (tree_int_cst_equal (low, high)) | |
| 2998 high = NULL_TREE; | |
| 2999 } | |
| 3000 } | |
| 3001 | |
| 3002 CASE_LOW (elt) = low; | |
| 3003 CASE_HIGH (elt) = high; | |
| 3004 } | |
| 3005 else | |
| 3006 { | |
| 3007 gcc_assert (!default_case); | |
| 3008 default_case = elt; | |
| 3009 /* The default case must be passed separately to the | |
| 3010 gimple_build_switch routine. But if DEFAULT_CASEP | |
| 3011 is NULL, we do not remove the default case (it would | |
| 3012 be completely lost). */ | |
| 3013 if (default_casep) | |
| 3014 remove_element = TRUE; | |
| 3015 } | |
| 3016 | |
| 3017 if (remove_element) | |
| 3018 labels.ordered_remove (i); | |
| 3019 else | |
| 3020 i++; | |
| 3021 } | |
| 3022 len = i; | |
| 3023 | |
| 3024 if (!labels.is_empty ()) | |
| 3025 sort_case_labels (labels); | |
| 3026 | |
| 3027 if (default_casep && !default_case) | |
| 3028 { | |
| 3029 /* If the switch has no default label, add one, so that we jump | |
| 3030 around the switch body. If the labels already cover the whole | |
| 3031 range of the switch index_type, add the default label pointing | |
| 3032 to one of the existing labels. */ | |
| 3033 if (len | |
| 3034 && TYPE_MIN_VALUE (index_type) | |
| 3035 && TYPE_MAX_VALUE (index_type) | |
| 3036 && tree_int_cst_equal (CASE_LOW (labels[0]), | |
| 3037 TYPE_MIN_VALUE (index_type))) | |
| 3038 { | |
| 3039 tree low, high = CASE_HIGH (labels[len - 1]); | |
| 3040 if (!high) | |
| 3041 high = CASE_LOW (labels[len - 1]); | |
| 3042 if (tree_int_cst_equal (high, TYPE_MAX_VALUE (index_type))) | |
| 3043 { | |
| 3044 tree widest_label = labels[0]; | |
| 3045 for (i = 1; i < len; i++) | |
| 3046 { | |
| 3047 high = CASE_LOW (labels[i]); | |
| 3048 low = CASE_HIGH (labels[i - 1]); | |
| 3049 if (!low) | |
| 3050 low = CASE_LOW (labels[i - 1]); | |
| 3051 | |
| 3052 if (CASE_HIGH (labels[i]) != NULL_TREE | |
| 3053 && (CASE_HIGH (widest_label) == NULL_TREE | |
| 3054 || (wi::gtu_p | |
| 3055 (wi::to_wide (CASE_HIGH (labels[i])) | |
| 3056 - wi::to_wide (CASE_LOW (labels[i])), | |
| 3057 wi::to_wide (CASE_HIGH (widest_label)) | |
| 3058 - wi::to_wide (CASE_LOW (widest_label)))))) | |
| 3059 widest_label = labels[i]; | |
| 3060 | |
| 3061 if (wi::to_wide (low) + 1 != wi::to_wide (high)) | |
| 3062 break; | |
| 3063 } | |
| 3064 if (i == len) | |
| 3065 { | |
| 3066 /* Designate the label with the widest range to be the | |
| 3067 default label. */ | |
| 3068 tree label = CASE_LABEL (widest_label); | |
| 3069 default_case = build_case_label (NULL_TREE, NULL_TREE, | |
| 3070 label); | |
| 3071 } | |
| 3072 } | |
| 3073 } | |
| 3074 } | |
| 3075 | |
| 3076 if (default_casep) | |
| 3077 *default_casep = default_case; | |
| 3078 } | |
| 3079 | |
| 3080 /* Set the location of all statements in SEQ to LOC. */ | |
| 3081 | |
| 3082 void | |
| 3083 gimple_seq_set_location (gimple_seq seq, location_t loc) | |
| 3084 { | |
| 3085 for (gimple_stmt_iterator i = gsi_start (seq); !gsi_end_p (i); gsi_next (&i)) | |
| 3086 gimple_set_location (gsi_stmt (i), loc); | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
3087 } |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
3088 |
| 111 | 3089 /* Release SSA_NAMEs in SEQ as well as the GIMPLE statements. */ |
| 3090 | |
| 3091 void | |
| 3092 gimple_seq_discard (gimple_seq seq) | |
| 3093 { | |
| 3094 gimple_stmt_iterator gsi; | |
| 3095 | |
| 3096 for (gsi = gsi_start (seq); !gsi_end_p (gsi); ) | |
| 3097 { | |
| 3098 gimple *stmt = gsi_stmt (gsi); | |
| 3099 gsi_remove (&gsi, true); | |
| 3100 release_defs (stmt); | |
| 3101 ggc_free (stmt); | |
| 3102 } | |
| 3103 } | |
| 3104 | |
| 3105 /* See if STMT now calls function that takes no parameters and if so, drop | |
| 3106 call arguments. This is used when devirtualization machinery redirects | |
| 3107 to __builtin_unreachable or __cxa_pure_virtual. */ | |
| 3108 | |
| 3109 void | |
| 3110 maybe_remove_unused_call_args (struct function *fn, gimple *stmt) | |
| 3111 { | |
| 3112 tree decl = gimple_call_fndecl (stmt); | |
| 3113 if (TYPE_ARG_TYPES (TREE_TYPE (decl)) | |
| 3114 && TREE_VALUE (TYPE_ARG_TYPES (TREE_TYPE (decl))) == void_type_node | |
| 3115 && gimple_call_num_args (stmt)) | |
| 3116 { | |
| 3117 gimple_set_num_ops (stmt, 3); | |
| 3118 update_stmt_fn (fn, stmt); | |
| 3119 } | |
| 3120 } | |
| 3121 | |
| 3122 /* Return false if STMT will likely expand to real function call. */ | |
| 3123 | |
| 3124 bool | |
| 3125 gimple_inexpensive_call_p (gcall *stmt) | |
| 3126 { | |
| 3127 if (gimple_call_internal_p (stmt)) | |
| 3128 return true; | |
| 3129 tree decl = gimple_call_fndecl (stmt); | |
| 3130 if (decl && is_inexpensive_builtin (decl)) | |
| 3131 return true; | |
| 3132 return false; | |
| 3133 } | |
| 3134 | |
| 3135 #if CHECKING_P | |
| 3136 | |
| 3137 namespace selftest { | |
| 3138 | |
| 3139 /* Selftests for core gimple structures. */ | |
| 3140 | |
| 3141 /* Verify that STMT is pretty-printed as EXPECTED. | |
| 3142 Helper function for selftests. */ | |
| 3143 | |
| 3144 static void | |
| 3145 verify_gimple_pp (const char *expected, gimple *stmt) | |
| 3146 { | |
| 3147 pretty_printer pp; | |
| 3148 pp_gimple_stmt_1 (&pp, stmt, 0 /* spc */, 0 /* flags */); | |
| 3149 ASSERT_STREQ (expected, pp_formatted_text (&pp)); | |
| 3150 } | |
| 3151 | |
| 3152 /* Build a GIMPLE_ASSIGN equivalent to | |
| 3153 tmp = 5; | |
| 3154 and verify various properties of it. */ | |
| 3155 | |
| 3156 static void | |
| 3157 test_assign_single () | |
| 3158 { | |
| 3159 tree type = integer_type_node; | |
| 3160 tree lhs = build_decl (UNKNOWN_LOCATION, VAR_DECL, | |
| 3161 get_identifier ("tmp"), | |
| 3162 type); | |
| 3163 tree rhs = build_int_cst (type, 5); | |
| 3164 gassign *stmt = gimple_build_assign (lhs, rhs); | |
| 3165 verify_gimple_pp ("tmp = 5;", stmt); | |
| 3166 | |
| 3167 ASSERT_TRUE (is_gimple_assign (stmt)); | |
| 3168 ASSERT_EQ (lhs, gimple_assign_lhs (stmt)); | |
| 3169 ASSERT_EQ (lhs, gimple_get_lhs (stmt)); | |
| 3170 ASSERT_EQ (rhs, gimple_assign_rhs1 (stmt)); | |
| 3171 ASSERT_EQ (NULL, gimple_assign_rhs2 (stmt)); | |
| 3172 ASSERT_EQ (NULL, gimple_assign_rhs3 (stmt)); | |
| 3173 ASSERT_TRUE (gimple_assign_single_p (stmt)); | |
| 3174 ASSERT_EQ (INTEGER_CST, gimple_assign_rhs_code (stmt)); | |
| 3175 } | |
| 3176 | |
| 3177 /* Build a GIMPLE_ASSIGN equivalent to | |
| 3178 tmp = a * b; | |
| 3179 and verify various properties of it. */ | |
| 3180 | |
| 3181 static void | |
| 3182 test_assign_binop () | |
| 3183 { | |
| 3184 tree type = integer_type_node; | |
| 3185 tree lhs = build_decl (UNKNOWN_LOCATION, VAR_DECL, | |
| 3186 get_identifier ("tmp"), | |
| 3187 type); | |
| 3188 tree a = build_decl (UNKNOWN_LOCATION, VAR_DECL, | |
| 3189 get_identifier ("a"), | |
| 3190 type); | |
| 3191 tree b = build_decl (UNKNOWN_LOCATION, VAR_DECL, | |
| 3192 get_identifier ("b"), | |
| 3193 type); | |
| 3194 gassign *stmt = gimple_build_assign (lhs, MULT_EXPR, a, b); | |
| 3195 verify_gimple_pp ("tmp = a * b;", stmt); | |
| 3196 | |
| 3197 ASSERT_TRUE (is_gimple_assign (stmt)); | |
| 3198 ASSERT_EQ (lhs, gimple_assign_lhs (stmt)); | |
| 3199 ASSERT_EQ (lhs, gimple_get_lhs (stmt)); | |
| 3200 ASSERT_EQ (a, gimple_assign_rhs1 (stmt)); | |
| 3201 ASSERT_EQ (b, gimple_assign_rhs2 (stmt)); | |
| 3202 ASSERT_EQ (NULL, gimple_assign_rhs3 (stmt)); | |
| 3203 ASSERT_FALSE (gimple_assign_single_p (stmt)); | |
| 3204 ASSERT_EQ (MULT_EXPR, gimple_assign_rhs_code (stmt)); | |
| 3205 } | |
| 3206 | |
| 3207 /* Build a GIMPLE_NOP and verify various properties of it. */ | |
| 3208 | |
| 3209 static void | |
| 3210 test_nop_stmt () | |
| 3211 { | |
| 3212 gimple *stmt = gimple_build_nop (); | |
| 3213 verify_gimple_pp ("GIMPLE_NOP", stmt); | |
| 3214 ASSERT_EQ (GIMPLE_NOP, gimple_code (stmt)); | |
| 3215 ASSERT_EQ (NULL, gimple_get_lhs (stmt)); | |
| 3216 ASSERT_FALSE (gimple_assign_single_p (stmt)); | |
| 3217 } | |
| 3218 | |
| 3219 /* Build a GIMPLE_RETURN equivalent to | |
| 3220 return 7; | |
| 3221 and verify various properties of it. */ | |
| 3222 | |
| 3223 static void | |
| 3224 test_return_stmt () | |
| 3225 { | |
| 3226 tree type = integer_type_node; | |
| 3227 tree val = build_int_cst (type, 7); | |
| 3228 greturn *stmt = gimple_build_return (val); | |
| 3229 verify_gimple_pp ("return 7;", stmt); | |
| 3230 | |
| 3231 ASSERT_EQ (GIMPLE_RETURN, gimple_code (stmt)); | |
| 3232 ASSERT_EQ (NULL, gimple_get_lhs (stmt)); | |
| 3233 ASSERT_EQ (val, gimple_return_retval (stmt)); | |
| 3234 ASSERT_FALSE (gimple_assign_single_p (stmt)); | |
| 3235 } | |
| 3236 | |
| 3237 /* Build a GIMPLE_RETURN equivalent to | |
| 3238 return; | |
| 3239 and verify various properties of it. */ | |
| 3240 | |
| 3241 static void | |
| 3242 test_return_without_value () | |
| 3243 { | |
| 3244 greturn *stmt = gimple_build_return (NULL); | |
| 3245 verify_gimple_pp ("return;", stmt); | |
| 3246 | |
| 3247 ASSERT_EQ (GIMPLE_RETURN, gimple_code (stmt)); | |
| 3248 ASSERT_EQ (NULL, gimple_get_lhs (stmt)); | |
| 3249 ASSERT_EQ (NULL, gimple_return_retval (stmt)); | |
| 3250 ASSERT_FALSE (gimple_assign_single_p (stmt)); | |
| 3251 } | |
| 3252 | |
| 3253 /* Run all of the selftests within this file. */ | |
| 3254 | |
| 3255 void | |
| 3256 gimple_c_tests () | |
| 3257 { | |
| 3258 test_assign_single (); | |
| 3259 test_assign_binop (); | |
| 3260 test_nop_stmt (); | |
| 3261 test_return_stmt (); | |
| 3262 test_return_without_value (); | |
| 3263 } | |
| 3264 | |
| 3265 } // namespace selftest | |
| 3266 | |
| 3267 | |
| 3268 #endif /* CHECKING_P */ |