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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // | 2 // |
| 3 // Use of this source code is governed by a BSD-style license that can be | 3 // Use of this source code is governed by a BSD-style license that can be |
| 4 // found in the LICENSE file. | 4 // found in the LICENSE file. |
| 5 | 5 |
| 6 #include "src/crankshaft/s390/lithium-codegen-s390.h" | 6 #include "src/crankshaft/s390/lithium-codegen-s390.h" |
| 7 | 7 |
| 8 #include "src/base/bits.h" | 8 #include "src/base/bits.h" |
| 9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
| 10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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| 3005 DCHECK(instr->hydrogen()->elements_kind() == FAST_HOLEY_ELEMENTS); | 3005 DCHECK(instr->hydrogen()->elements_kind() == FAST_HOLEY_ELEMENTS); |
| 3006 Label done; | 3006 Label done; |
| 3007 __ LoadRoot(scratch, Heap::kTheHoleValueRootIndex); | 3007 __ LoadRoot(scratch, Heap::kTheHoleValueRootIndex); |
| 3008 __ CmpP(result, scratch); | 3008 __ CmpP(result, scratch); |
| 3009 __ bne(&done); | 3009 __ bne(&done); |
| 3010 if (info()->IsStub()) { | 3010 if (info()->IsStub()) { |
| 3011 // A stub can safely convert the hole to undefined only if the array | 3011 // A stub can safely convert the hole to undefined only if the array |
| 3012 // protector cell contains (Smi) Isolate::kProtectorValid. Otherwise | 3012 // protector cell contains (Smi) Isolate::kProtectorValid. Otherwise |
| 3013 // it needs to bail out. | 3013 // it needs to bail out. |
| 3014 __ LoadRoot(result, Heap::kArrayProtectorRootIndex); | 3014 __ LoadRoot(result, Heap::kArrayProtectorRootIndex); |
| 3015 __ LoadP(result, FieldMemOperand(result, Cell::kValueOffset)); | 3015 __ LoadP(result, FieldMemOperand(result, PropertyCell::kValueOffset)); |
| 3016 __ CmpSmiLiteral(result, Smi::FromInt(Isolate::kProtectorValid), r0); | 3016 __ CmpSmiLiteral(result, Smi::FromInt(Isolate::kProtectorValid), r0); |
| 3017 DeoptimizeIf(ne, instr, DeoptimizeReason::kHole); | 3017 DeoptimizeIf(ne, instr, DeoptimizeReason::kHole); |
| 3018 } | 3018 } |
| 3019 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); | 3019 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); |
| 3020 __ bind(&done); | 3020 __ bind(&done); |
| 3021 } | 3021 } |
| 3022 } | 3022 } |
| 3023 | 3023 |
| 3024 void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) { | 3024 void LCodeGen::DoLoadKeyed(LLoadKeyed* instr) { |
| 3025 if (instr->is_fixed_typed_array()) { | 3025 if (instr->is_fixed_typed_array()) { |
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| 5560 __ LoadP(result, | 5560 __ LoadP(result, |
| 5561 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); | 5561 FieldMemOperand(scratch, FixedArray::kHeaderSize - kPointerSize)); |
| 5562 __ bind(deferred->exit()); | 5562 __ bind(deferred->exit()); |
| 5563 __ bind(&done); | 5563 __ bind(&done); |
| 5564 } | 5564 } |
| 5565 | 5565 |
| 5566 #undef __ | 5566 #undef __ |
| 5567 | 5567 |
| 5568 } // namespace internal | 5568 } // namespace internal |
| 5569 } // namespace v8 | 5569 } // namespace v8 |
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