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Issue 12314152: Miscellaneous profile-driven Isolate plumbing. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 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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802 LEnvironment* environment, 802 LEnvironment* environment,
803 Register src1, 803 Register src1,
804 const Operand& src2) { 804 const Operand& src2) {
805 RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt); 805 RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt);
806 ASSERT(environment->HasBeenRegistered()); 806 ASSERT(environment->HasBeenRegistered());
807 int id = environment->deoptimization_index(); 807 int id = environment->deoptimization_index();
808 ASSERT(info()->IsOptimizing() || info()->IsStub()); 808 ASSERT(info()->IsOptimizing() || info()->IsStub());
809 Deoptimizer::BailoutType bailout_type = info()->IsStub() 809 Deoptimizer::BailoutType bailout_type = info()->IsStub()
810 ? Deoptimizer::LAZY 810 ? Deoptimizer::LAZY
811 : Deoptimizer::EAGER; 811 : Deoptimizer::EAGER;
812 Address entry = Deoptimizer::GetDeoptimizationEntry(id, bailout_type); 812 Address entry =
813 Deoptimizer::GetDeoptimizationEntry(isolate(), id, bailout_type);
813 if (entry == NULL) { 814 if (entry == NULL) {
814 Abort("bailout was not prepared"); 815 Abort("bailout was not prepared");
815 return; 816 return;
816 } 817 }
817 818
818 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on MIPS. 819 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on MIPS.
819 if (FLAG_deopt_every_n_times == 1 && info_->opt_count() == id) { 820 if (FLAG_deopt_every_n_times == 1 && info_->opt_count() == id) {
820 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); 821 __ Jump(entry, RelocInfo::RUNTIME_ENTRY);
821 return; 822 return;
822 } 823 }
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6037 __ Subu(scratch, result, scratch); 6038 __ Subu(scratch, result, scratch);
6038 __ lw(result, FieldMemOperand(scratch, 6039 __ lw(result, FieldMemOperand(scratch,
6039 FixedArray::kHeaderSize - kPointerSize)); 6040 FixedArray::kHeaderSize - kPointerSize));
6040 __ bind(&done); 6041 __ bind(&done);
6041 } 6042 }
6042 6043
6043 6044
6044 #undef __ 6045 #undef __
6045 6046
6046 } } // namespace v8::internal 6047 } } // namespace v8::internal
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