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Side by Side Diff: src/crankshaft/arm/lithium-codegen-arm.cc

Issue 2024253002: [stubs] Remove N-argument Hydrogen-based Array constructor stub (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Code stubs Created 4 years, 6 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 // 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 #include "src/crankshaft/arm/lithium-codegen-arm.h" 5 #include "src/crankshaft/arm/lithium-codegen-arm.h"
6 6
7 #include "src/base/bits.h" 7 #include "src/base/bits.h"
8 #include "src/code-factory.h" 8 #include "src/code-factory.h"
9 #include "src/code-stubs.h" 9 #include "src/code-stubs.h"
10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h" 10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h"
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3701 } 3701 }
3702 } 3702 }
3703 3703
3704 3704
3705 void LCodeGen::DoCallNewArray(LCallNewArray* instr) { 3705 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
3706 DCHECK(ToRegister(instr->context()).is(cp)); 3706 DCHECK(ToRegister(instr->context()).is(cp));
3707 DCHECK(ToRegister(instr->constructor()).is(r1)); 3707 DCHECK(ToRegister(instr->constructor()).is(r1));
3708 DCHECK(ToRegister(instr->result()).is(r0)); 3708 DCHECK(ToRegister(instr->result()).is(r0));
3709 3709
3710 __ mov(r0, Operand(instr->arity())); 3710 __ mov(r0, Operand(instr->arity()));
3711 if (instr->arity() == 1) { 3711 if (instr->arity() > 0) {
3712 // We only need the allocation site for the case we have a length argument. 3712 // We only need the allocation site for the case we have a length argument.
3713 // The case may bail out to the runtime, which will determine the correct 3713 // The case may bail out to the runtime, which will determine the correct
3714 // elements kind with the site. 3714 // elements kind with the site.
3715 __ Move(r2, instr->hydrogen()->site()); 3715 __ Move(r2, instr->hydrogen()->site());
3716 } else { 3716 } else {
3717 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); 3717 __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
3718 } 3718 }
3719 ElementsKind kind = instr->hydrogen()->elements_kind(); 3719 ElementsKind kind = instr->hydrogen()->elements_kind();
3720 AllocationSiteOverrideMode override_mode = 3720 AllocationSiteOverrideMode override_mode =
3721 (AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE) 3721 (AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE)
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3741 override_mode); 3741 override_mode);
3742 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); 3742 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
3743 __ jmp(&done); 3743 __ jmp(&done);
3744 __ bind(&packed_case); 3744 __ bind(&packed_case);
3745 } 3745 }
3746 3746
3747 ArraySingleArgumentConstructorStub stub(isolate(), kind, override_mode); 3747 ArraySingleArgumentConstructorStub stub(isolate(), kind, override_mode);
3748 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); 3748 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
3749 __ bind(&done); 3749 __ bind(&done);
3750 } else { 3750 } else {
3751 ArrayNArgumentsConstructorStub stub(isolate(), kind, override_mode); 3751 ArrayNArgumentsConstructorStub stub(isolate());
3752 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); 3752 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
3753 } 3753 }
3754 } 3754 }
3755 3755
3756 3756
3757 void LCodeGen::DoCallRuntime(LCallRuntime* instr) { 3757 void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
3758 CallRuntime(instr->function(), instr->arity(), instr); 3758 CallRuntime(instr->function(), instr->arity(), instr);
3759 } 3759 }
3760 3760
3761 3761
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5559 __ ldr(result, FieldMemOperand(scratch, 5559 __ ldr(result, FieldMemOperand(scratch,
5560 FixedArray::kHeaderSize - kPointerSize)); 5560 FixedArray::kHeaderSize - kPointerSize));
5561 __ bind(deferred->exit()); 5561 __ bind(deferred->exit());
5562 __ bind(&done); 5562 __ bind(&done);
5563 } 5563 }
5564 5564
5565 #undef __ 5565 #undef __
5566 5566
5567 } // namespace internal 5567 } // namespace internal
5568 } // namespace v8 5568 } // namespace v8
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