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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 // 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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| 546 deoptimizations_.Add(environment); | 546 deoptimizations_.Add(environment); |
| 547 } | 547 } |
| 548 } | 548 } |
| 549 | 549 |
| 550 | 550 |
| 551 void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) { | 551 void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) { |
| 552 RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt); | 552 RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt); |
| 553 ASSERT(environment->HasBeenRegistered()); | 553 ASSERT(environment->HasBeenRegistered()); |
| 554 int id = environment->deoptimization_index(); | 554 int id = environment->deoptimization_index(); |
| 555 Address entry = Deoptimizer::GetDeoptimizationEntry(id, Deoptimizer::EAGER); | 555 Address entry = Deoptimizer::GetDeoptimizationEntry(id, Deoptimizer::EAGER); |
| 556 ASSERT(entry != NULL); | |
| 557 if (entry == NULL) { | 556 if (entry == NULL) { |
| 558 Abort("bailout was not prepared"); | 557 Abort("bailout was not prepared"); |
| 559 return; | 558 return; |
| 560 } | 559 } |
| 561 | 560 |
| 562 if (FLAG_deopt_every_n_times != 0) { | 561 if (FLAG_deopt_every_n_times != 0) { |
| 563 Handle<SharedFunctionInfo> shared(info_->shared_info()); | 562 Handle<SharedFunctionInfo> shared(info_->shared_info()); |
| 564 Label no_deopt; | 563 Label no_deopt; |
| 565 __ pushfd(); | 564 __ pushfd(); |
| 566 __ push(eax); | 565 __ push(eax); |
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| 4964 FixedArray::kHeaderSize - kPointerSize)); | 4963 FixedArray::kHeaderSize - kPointerSize)); |
| 4965 __ bind(&done); | 4964 __ bind(&done); |
| 4966 } | 4965 } |
| 4967 | 4966 |
| 4968 | 4967 |
| 4969 #undef __ | 4968 #undef __ |
| 4970 | 4969 |
| 4971 } } // namespace v8::internal | 4970 } } // namespace v8::internal |
| 4972 | 4971 |
| 4973 #endif // V8_TARGET_ARCH_IA32 | 4972 #endif // V8_TARGET_ARCH_IA32 |
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