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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This file defines all of the flags. It is separated into different section, | 5 // This file defines all of the flags. It is separated into different section, |
6 // for Debug, Release, Logging and Profiling, etc. To add a new flag, find the | 6 // for Debug, Release, Logging and Profiling, etc. To add a new flag, find the |
7 // correct section, and use one of the DEFINE_ macros, without a trailing ';'. | 7 // correct section, and use one of the DEFINE_ macros, without a trailing ';'. |
8 // | 8 // |
9 // This include does not have a guard, because it is a template-style include, | 9 // This include does not have a guard, because it is a template-style include, |
10 // which can be included multiple times in different modes. It expects to have | 10 // which can be included multiple times in different modes. It expects to have |
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261 DEFINE_IMPLICATION(track_heap_object_fields, track_fields) | 261 DEFINE_IMPLICATION(track_heap_object_fields, track_fields) |
262 DEFINE_IMPLICATION(track_computed_fields, track_fields) | 262 DEFINE_IMPLICATION(track_computed_fields, track_fields) |
263 DEFINE_BOOL(track_field_types, true, "track field types") | 263 DEFINE_BOOL(track_field_types, true, "track field types") |
264 DEFINE_IMPLICATION(track_field_types, track_fields) | 264 DEFINE_IMPLICATION(track_field_types, track_fields) |
265 DEFINE_IMPLICATION(track_field_types, track_heap_object_fields) | 265 DEFINE_IMPLICATION(track_field_types, track_heap_object_fields) |
266 DEFINE_BOOL(smi_binop, true, "support smi representation in binary operations") | 266 DEFINE_BOOL(smi_binop, true, "support smi representation in binary operations") |
267 | 267 |
268 // Flags for optimization types. | 268 // Flags for optimization types. |
269 DEFINE_BOOL(optimize_for_size, false, | 269 DEFINE_BOOL(optimize_for_size, false, |
270 "Enables optimizations which favor memory size over execution " | 270 "Enables optimizations which favor memory size over execution " |
271 "speed.") | 271 "speed") |
272 | 272 |
273 DEFINE_VALUE_IMPLICATION(optimize_for_size, max_semi_space_size, 1) | 273 DEFINE_VALUE_IMPLICATION(optimize_for_size, max_semi_space_size, 1) |
274 | 274 |
275 // Flags for data representation optimizations | 275 // Flags for data representation optimizations |
276 DEFINE_BOOL(unbox_double_arrays, true, "automatically unbox arrays of doubles") | 276 DEFINE_BOOL(unbox_double_arrays, true, "automatically unbox arrays of doubles") |
277 DEFINE_BOOL(string_slices, true, "use string slices") | 277 DEFINE_BOOL(string_slices, true, "use string slices") |
278 | 278 |
| 279 // Flags for Ignition. |
| 280 DEFINE_BOOL(ignition, false, "use ignition interpreter") |
| 281 DEFINE_STRING(ignition_filter, "~~", "filter for ignition interpreter") |
| 282 DEFINE_BOOL(trace_ignition_codegen, false, |
| 283 "trace the codegen of ignition interpreter bytecode handlers") |
| 284 |
279 // Flags for Crankshaft. | 285 // Flags for Crankshaft. |
280 DEFINE_BOOL(crankshaft, true, "use crankshaft") | 286 DEFINE_BOOL(crankshaft, true, "use crankshaft") |
281 DEFINE_STRING(hydrogen_filter, "*", "optimization filter") | 287 DEFINE_STRING(hydrogen_filter, "*", "optimization filter") |
282 DEFINE_BOOL(use_gvn, true, "use hydrogen global value numbering") | 288 DEFINE_BOOL(use_gvn, true, "use hydrogen global value numbering") |
283 DEFINE_INT(gvn_iterations, 3, "maximum number of GVN fix-point iterations") | 289 DEFINE_INT(gvn_iterations, 3, "maximum number of GVN fix-point iterations") |
284 DEFINE_BOOL(use_canonicalizing, true, "use hydrogen instruction canonicalizing") | 290 DEFINE_BOOL(use_canonicalizing, true, "use hydrogen instruction canonicalizing") |
285 DEFINE_BOOL(use_inlining, true, "use function inlining") | 291 DEFINE_BOOL(use_inlining, true, "use function inlining") |
286 DEFINE_BOOL(use_escape_analysis, true, "use hydrogen escape analysis") | 292 DEFINE_BOOL(use_escape_analysis, true, "use hydrogen escape analysis") |
287 DEFINE_BOOL(use_allocation_folding, true, "use allocation folding") | 293 DEFINE_BOOL(use_allocation_folding, true, "use allocation folding") |
288 DEFINE_BOOL(use_local_allocation_folding, false, "only fold in basic blocks") | 294 DEFINE_BOOL(use_local_allocation_folding, false, "only fold in basic blocks") |
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1063 #undef DEFINE_ALIAS_FLOAT | 1069 #undef DEFINE_ALIAS_FLOAT |
1064 #undef DEFINE_ALIAS_ARGS | 1070 #undef DEFINE_ALIAS_ARGS |
1065 | 1071 |
1066 #undef FLAG_MODE_DECLARE | 1072 #undef FLAG_MODE_DECLARE |
1067 #undef FLAG_MODE_DEFINE | 1073 #undef FLAG_MODE_DEFINE |
1068 #undef FLAG_MODE_DEFINE_DEFAULTS | 1074 #undef FLAG_MODE_DEFINE_DEFAULTS |
1069 #undef FLAG_MODE_META | 1075 #undef FLAG_MODE_META |
1070 #undef FLAG_MODE_DEFINE_IMPLICATIONS | 1076 #undef FLAG_MODE_DEFINE_IMPLICATIONS |
1071 | 1077 |
1072 #undef COMMA | 1078 #undef COMMA |
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