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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 186 | 186 |
| 187 | 187 |
| 188 void V8::InitializeOncePerProcess() { | 188 void V8::InitializeOncePerProcess() { |
| 189 ScopedLock lock(init_once_mutex); | 189 ScopedLock lock(init_once_mutex); |
| 190 if (init_once_called) return; | 190 if (init_once_called) return; |
| 191 init_once_called = true; | 191 init_once_called = true; |
| 192 | 192 |
| 193 // Setup the platform OS support. | 193 // Setup the platform OS support. |
| 194 OS::Setup(); | 194 OS::Setup(); |
| 195 | 195 |
| 196 #if defined(V8_TARGET_ARCH_ARM) && !defined(USE_ARM_EABI) | |
| 197 use_crankshaft_ = false; | |
| 198 #else | |
| 199 use_crankshaft_ = FLAG_crankshaft; | 196 use_crankshaft_ = FLAG_crankshaft; |
| 200 #endif | |
| 201 | 197 |
| 202 if (Serializer::enabled()) { | 198 if (Serializer::enabled()) { |
| 203 use_crankshaft_ = false; | 199 use_crankshaft_ = false; |
| 204 } | 200 } |
| 205 | 201 |
| 206 CPU::Setup(); | 202 CPU::Setup(); |
| 207 if (!CPU::SupportsCrankshaft()) { | 203 if (!CPU::SupportsCrankshaft()) { |
| 208 use_crankshaft_ = false; | 204 use_crankshaft_ = false; |
| 209 } | 205 } |
| 210 | 206 |
| 211 // Peephole optimization might interfere with deoptimization. | 207 // Peephole optimization might interfere with deoptimization. |
| 212 FLAG_peephole_optimization = !use_crankshaft_; | 208 FLAG_peephole_optimization = !use_crankshaft_; |
| 213 } | 209 } |
| 214 | 210 |
| 215 } } // namespace v8::internal | 211 } } // namespace v8::internal |
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