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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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