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Issue 1478303002: Revert of [runtime] Replace global object link with native context link in all contexts. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #if V8_TARGET_ARCH_X64 5 #if V8_TARGET_ARCH_X64
6 6
7 #include "src/crankshaft/x64/lithium-codegen-x64.h" 7 #include "src/crankshaft/x64/lithium-codegen-x64.h"
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
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3259 3259
3260 // The receiver should be a JS object. 3260 // The receiver should be a JS object.
3261 Condition is_smi = __ CheckSmi(receiver); 3261 Condition is_smi = __ CheckSmi(receiver);
3262 DeoptimizeIf(is_smi, instr, Deoptimizer::kSmi); 3262 DeoptimizeIf(is_smi, instr, Deoptimizer::kSmi);
3263 __ CmpObjectType(receiver, FIRST_SPEC_OBJECT_TYPE, kScratchRegister); 3263 __ CmpObjectType(receiver, FIRST_SPEC_OBJECT_TYPE, kScratchRegister);
3264 DeoptimizeIf(below, instr, Deoptimizer::kNotAJavaScriptObject); 3264 DeoptimizeIf(below, instr, Deoptimizer::kNotAJavaScriptObject);
3265 3265
3266 __ jmp(&receiver_ok, Label::kNear); 3266 __ jmp(&receiver_ok, Label::kNear);
3267 __ bind(&global_object); 3267 __ bind(&global_object);
3268 __ movp(receiver, FieldOperand(function, JSFunction::kContextOffset)); 3268 __ movp(receiver, FieldOperand(function, JSFunction::kContextOffset));
3269 __ movp(receiver, ContextOperand(receiver, Context::NATIVE_CONTEXT_INDEX)); 3269 __ movp(receiver,
3270 __ movp(receiver, ContextOperand(receiver, Context::GLOBAL_PROXY_INDEX)); 3270 Operand(receiver,
3271 Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
3272 __ movp(receiver, FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
3271 3273
3272 __ bind(&receiver_ok); 3274 __ bind(&receiver_ok);
3273 } 3275 }
3274 3276
3275 3277
3276 void LCodeGen::DoApplyArguments(LApplyArguments* instr) { 3278 void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
3277 Register receiver = ToRegister(instr->receiver()); 3279 Register receiver = ToRegister(instr->receiver());
3278 Register function = ToRegister(instr->function()); 3280 Register function = ToRegister(instr->function());
3279 Register length = ToRegister(instr->length()); 3281 Register length = ToRegister(instr->length());
3280 Register elements = ToRegister(instr->elements()); 3282 Register elements = ToRegister(instr->elements());
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5788 RecordSafepoint(Safepoint::kNoLazyDeopt); 5790 RecordSafepoint(Safepoint::kNoLazyDeopt);
5789 } 5791 }
5790 5792
5791 5793
5792 #undef __ 5794 #undef __
5793 5795
5794 } // namespace internal 5796 } // namespace internal
5795 } // namespace v8 5797 } // namespace v8
5796 5798
5797 #endif // V8_TARGET_ARCH_X64 5799 #endif // V8_TARGET_ARCH_X64
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