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Issue 19188002: Fix --deopt-every-n-times flag (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 5 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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765 Deoptimizer::GetDeoptimizationEntry(isolate(), id, bailout_type); 765 Deoptimizer::GetDeoptimizationEntry(isolate(), id, bailout_type);
766 if (entry == NULL) { 766 if (entry == NULL) {
767 Abort("bailout was not prepared"); 767 Abort("bailout was not prepared");
768 return; 768 return;
769 } 769 }
770 770
771 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM. 771 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM.
772 if (FLAG_deopt_every_n_times == 1 && 772 if (FLAG_deopt_every_n_times == 1 &&
773 !info()->IsStub() && 773 !info()->IsStub() &&
774 info()->opt_count() == id) { 774 info()->opt_count() == id) {
775 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); 775 ASSERT(frame_is_built_);
776 __ Call(entry, RelocInfo::RUNTIME_ENTRY);
776 return; 777 return;
777 } 778 }
778 779
779 if (FLAG_trap_on_deopt && info()->IsOptimizing()) { 780 if (FLAG_trap_on_deopt && info()->IsOptimizing()) {
780 __ stop("trap_on_deopt", cc); 781 __ stop("trap_on_deopt", cc);
781 } 782 }
782 783
783 ASSERT(info()->IsStub() || frame_is_built_); 784 ASSERT(info()->IsStub() || frame_is_built_);
784 if (cc == al && frame_is_built_) { 785 if (cc == al && frame_is_built_) {
785 __ Call(entry, RelocInfo::RUNTIME_ENTRY); 786 __ Call(entry, RelocInfo::RUNTIME_ENTRY);
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5869 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); 5870 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index));
5870 __ ldr(result, FieldMemOperand(scratch, 5871 __ ldr(result, FieldMemOperand(scratch,
5871 FixedArray::kHeaderSize - kPointerSize)); 5872 FixedArray::kHeaderSize - kPointerSize));
5872 __ bind(&done); 5873 __ bind(&done);
5873 } 5874 }
5874 5875
5875 5876
5876 #undef __ 5877 #undef __
5877 5878
5878 } } // namespace v8::internal 5879 } } // namespace v8::internal
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