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Issue 1359583002: [builtins] Add support for NewTarget to Execution::New. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: REBASE. Merge mips and mips64 ports. Created 5 years, 2 months 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_ARM64 5 #if V8_TARGET_ARCH_ARM64
6 6
7 #include "src/code-factory.h" 7 #include "src/code-factory.h"
8 #include "src/code-stubs.h" 8 #include "src/code-stubs.h"
9 #include "src/codegen.h" 9 #include "src/codegen.h"
10 #include "src/compiler.h" 10 #include "src/compiler.h"
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3722 3722
3723 3723
3724 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) { 3724 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
3725 ZoneList<Expression*>* args = expr->arguments(); 3725 ZoneList<Expression*>* args = expr->arguments();
3726 DCHECK(args->length() == 2); 3726 DCHECK(args->length() == 2);
3727 3727
3728 // Evaluate new.target and super constructor. 3728 // Evaluate new.target and super constructor.
3729 VisitForStackValue(args->at(0)); 3729 VisitForStackValue(args->at(0));
3730 VisitForStackValue(args->at(1)); 3730 VisitForStackValue(args->at(1));
3731 3731
3732 // Load original constructor into x4. 3732 // Load original constructor into x3.
3733 __ Peek(x4, 1 * kPointerSize); 3733 __ Peek(x3, 1 * kPointerSize);
3734 3734
3735 // Check if the calling frame is an arguments adaptor frame. 3735 // Check if the calling frame is an arguments adaptor frame.
3736 Label adaptor_frame, args_set_up, runtime; 3736 Label adaptor_frame, args_set_up, runtime;
3737 __ Ldr(x11, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); 3737 __ Ldr(x11, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
3738 __ Ldr(x12, MemOperand(x11, StandardFrameConstants::kContextOffset)); 3738 __ Ldr(x12, MemOperand(x11, StandardFrameConstants::kContextOffset));
3739 __ Cmp(x12, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); 3739 __ Cmp(x12, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
3740 __ B(eq, &adaptor_frame); 3740 __ B(eq, &adaptor_frame);
3741 // default constructor has no arguments, so no adaptor frame means no args. 3741 // default constructor has no arguments, so no adaptor frame means no args.
3742 __ Mov(x0, Operand(0)); 3742 __ Mov(x0, Operand(0));
3743 __ B(&args_set_up); 3743 __ B(&args_set_up);
(...skipping 14 matching lines...) Expand all
3758 // Pre-decrement x11 with kPointerSize on each iteration. 3758 // Pre-decrement x11 with kPointerSize on each iteration.
3759 // Pre-decrement in order to skip receiver. 3759 // Pre-decrement in order to skip receiver.
3760 __ Ldr(x10, MemOperand(x11, -kPointerSize, PreIndex)); 3760 __ Ldr(x10, MemOperand(x11, -kPointerSize, PreIndex));
3761 __ Push(x10); 3761 __ Push(x10);
3762 __ Sub(x1, x1, Operand(1)); 3762 __ Sub(x1, x1, Operand(1));
3763 __ Cbnz(x1, &loop); 3763 __ Cbnz(x1, &loop);
3764 } 3764 }
3765 3765
3766 __ bind(&args_set_up); 3766 __ bind(&args_set_up);
3767 __ Peek(x1, Operand(x0, LSL, kPointerSizeLog2)); 3767 __ Peek(x1, Operand(x0, LSL, kPointerSizeLog2));
3768 __ LoadRoot(x2, Heap::kUndefinedValueRootIndex); 3768 __ Call(isolate()->builtins()->Construct(), RelocInfo::CONSTRUCT_CALL);
3769
3770 CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
3771 __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
3772 3769
3773 // Restore context register. 3770 // Restore context register.
3774 __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 3771 __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
3775 3772
3776 context()->DropAndPlug(1, x0); 3773 context()->DropAndPlug(1, x0);
3777 } 3774 }
3778 3775
3779 3776
3780 void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) { 3777 void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) {
3781 RegExpConstructResultStub stub(isolate()); 3778 RegExpConstructResultStub stub(isolate());
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5249 } 5246 }
5250 5247
5251 return INTERRUPT; 5248 return INTERRUPT;
5252 } 5249 }
5253 5250
5254 5251
5255 } // namespace internal 5252 } // namespace internal
5256 } // namespace v8 5253 } // namespace v8
5257 5254
5258 #endif // V8_TARGET_ARCH_ARM64 5255 #endif // V8_TARGET_ARCH_ARM64
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