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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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241 DEFINE_IMPLICATION(harmony, id) | 241 DEFINE_IMPLICATION(harmony, id) |
242 HARMONY_STAGED(FLAG_STAGED_FEATURES) | 242 HARMONY_STAGED(FLAG_STAGED_FEATURES) |
243 #undef FLAG_STAGED_FEATURES | 243 #undef FLAG_STAGED_FEATURES |
244 | 244 |
245 #define FLAG_SHIPPING_FEATURES(id, description) \ | 245 #define FLAG_SHIPPING_FEATURES(id, description) \ |
246 DEFINE_BOOL(id, true, "enable " #description) \ | 246 DEFINE_BOOL(id, true, "enable " #description) \ |
247 DEFINE_NEG_NEG_IMPLICATION(harmony_shipping, id) | 247 DEFINE_NEG_NEG_IMPLICATION(harmony_shipping, id) |
248 HARMONY_SHIPPING(FLAG_SHIPPING_FEATURES) | 248 HARMONY_SHIPPING(FLAG_SHIPPING_FEATURES) |
249 #undef FLAG_SHIPPING_FEATURES | 249 #undef FLAG_SHIPPING_FEATURES |
250 | 250 |
| 251 DEFINE_BOOL(future, false, |
| 252 "Implies all staged features that we want to ship in the " |
| 253 "not-too-far future") |
| 254 DEFINE_IMPLICATION(future, ignition_staging) |
| 255 |
251 // Flags for experimental implementation features. | 256 // Flags for experimental implementation features. |
252 DEFINE_BOOL(allocation_site_pretenuring, true, | 257 DEFINE_BOOL(allocation_site_pretenuring, true, |
253 "pretenure with allocation sites") | 258 "pretenure with allocation sites") |
254 DEFINE_BOOL(page_promotion, true, "promote pages based on utilization") | 259 DEFINE_BOOL(page_promotion, true, "promote pages based on utilization") |
255 DEFINE_INT(page_promotion_threshold, 70, | 260 DEFINE_INT(page_promotion_threshold, 70, |
256 "min percentage of live bytes on a page to enable fast evacuation") | 261 "min percentage of live bytes on a page to enable fast evacuation") |
257 DEFINE_BOOL(trace_pretenuring, false, | 262 DEFINE_BOOL(trace_pretenuring, false, |
258 "trace pretenuring decisions of HAllocate instructions") | 263 "trace pretenuring decisions of HAllocate instructions") |
259 DEFINE_BOOL(trace_pretenuring_statistics, false, | 264 DEFINE_BOOL(trace_pretenuring_statistics, false, |
260 "trace allocation site pretenuring statistics") | 265 "trace allocation site pretenuring statistics") |
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1218 #undef DEFINE_ALIAS_FLOAT | 1223 #undef DEFINE_ALIAS_FLOAT |
1219 #undef DEFINE_ALIAS_ARGS | 1224 #undef DEFINE_ALIAS_ARGS |
1220 | 1225 |
1221 #undef FLAG_MODE_DECLARE | 1226 #undef FLAG_MODE_DECLARE |
1222 #undef FLAG_MODE_DEFINE | 1227 #undef FLAG_MODE_DEFINE |
1223 #undef FLAG_MODE_DEFINE_DEFAULTS | 1228 #undef FLAG_MODE_DEFINE_DEFAULTS |
1224 #undef FLAG_MODE_META | 1229 #undef FLAG_MODE_META |
1225 #undef FLAG_MODE_DEFINE_IMPLICATIONS | 1230 #undef FLAG_MODE_DEFINE_IMPLICATIONS |
1226 | 1231 |
1227 #undef COMMA | 1232 #undef COMMA |
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