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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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2869 Label done; | 2869 Label done; |
2870 __ LoadRoot(scratch, Heap::kTheHoleValueRootIndex); | 2870 __ LoadRoot(scratch, Heap::kTheHoleValueRootIndex); |
2871 __ cmp(result, scratch); | 2871 __ cmp(result, scratch); |
2872 __ b(ne, &done); | 2872 __ b(ne, &done); |
2873 if (info()->IsStub()) { | 2873 if (info()->IsStub()) { |
2874 // A stub can safely convert the hole to undefined only if the array | 2874 // A stub can safely convert the hole to undefined only if the array |
2875 // protector cell contains (Smi) Isolate::kArrayProtectorValid. Otherwise | 2875 // protector cell contains (Smi) Isolate::kArrayProtectorValid. Otherwise |
2876 // it needs to bail out. | 2876 // it needs to bail out. |
2877 __ LoadRoot(result, Heap::kArrayProtectorRootIndex); | 2877 __ LoadRoot(result, Heap::kArrayProtectorRootIndex); |
2878 __ ldr(result, FieldMemOperand(result, Cell::kValueOffset)); | 2878 __ ldr(result, FieldMemOperand(result, Cell::kValueOffset)); |
2879 __ cmp(result, Operand(Smi::FromInt(Isolate::kArrayProtectorValid))); | 2879 __ cmp(result, Operand(Smi::FromInt(Isolate::kProtectorValid))); |
2880 DeoptimizeIf(ne, instr, DeoptimizeReason::kHole); | 2880 DeoptimizeIf(ne, instr, DeoptimizeReason::kHole); |
2881 } | 2881 } |
2882 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); | 2882 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); |
2883 __ bind(&done); | 2883 __ bind(&done); |
2884 } | 2884 } |
2885 } | 2885 } |
2886 | 2886 |
2887 | 2887 |
2888 void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) { | 2888 void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) { |
2889 if (instr->is_fixed_typed_array()) { | 2889 if (instr->is_fixed_typed_array()) { |
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5384 __ ldr(result, FieldMemOperand(scratch, | 5384 __ ldr(result, FieldMemOperand(scratch, |
5385 FixedArray::kHeaderSize - kPointerSize)); | 5385 FixedArray::kHeaderSize - kPointerSize)); |
5386 __ bind(deferred->exit()); | 5386 __ bind(deferred->exit()); |
5387 __ bind(&done); | 5387 __ bind(&done); |
5388 } | 5388 } |
5389 | 5389 |
5390 #undef __ | 5390 #undef __ |
5391 | 5391 |
5392 } // namespace internal | 5392 } // namespace internal |
5393 } // namespace v8 | 5393 } // namespace v8 |
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