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Issue 9752004: Fix assertion failure due to too many deoptimization ids. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 8 years, 9 months ago
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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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641 deoptimizations_.Add(environment); 641 deoptimizations_.Add(environment);
642 } 642 }
643 } 643 }
644 644
645 645
646 void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) { 646 void LCodeGen::DeoptimizeIf(Condition cc, LEnvironment* environment) {
647 RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt); 647 RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt);
648 ASSERT(environment->HasBeenRegistered()); 648 ASSERT(environment->HasBeenRegistered());
649 int id = environment->deoptimization_index(); 649 int id = environment->deoptimization_index();
650 Address entry = Deoptimizer::GetDeoptimizationEntry(id, Deoptimizer::EAGER); 650 Address entry = Deoptimizer::GetDeoptimizationEntry(id, Deoptimizer::EAGER);
651 ASSERT(entry != NULL);
652 if (entry == NULL) { 651 if (entry == NULL) {
653 Abort("bailout was not prepared"); 652 Abort("bailout was not prepared");
654 return; 653 return;
655 } 654 }
656 655
657 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM. 656 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM.
658 657
659 if (FLAG_deopt_every_n_times == 1 && 658 if (FLAG_deopt_every_n_times == 1 &&
660 info_->shared_info()->opt_count() == id) { 659 info_->shared_info()->opt_count() == id) {
661 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); 660 __ Jump(entry, RelocInfo::RUNTIME_ENTRY);
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5113 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); 5112 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize));
5114 __ ldr(result, FieldMemOperand(scratch, 5113 __ ldr(result, FieldMemOperand(scratch,
5115 FixedArray::kHeaderSize - kPointerSize)); 5114 FixedArray::kHeaderSize - kPointerSize));
5116 __ bind(&done); 5115 __ bind(&done);
5117 } 5116 }
5118 5117
5119 5118
5120 #undef __ 5119 #undef __
5121 5120
5122 } } // namespace v8::internal 5121 } } // namespace v8::internal
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