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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/ast/scopes.h" | 7 #include "src/ast/scopes.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/codegen.h" | 10 #include "src/codegen.h" |
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3069 } | 3069 } |
3070 | 3070 |
3071 __ Add(scratch, string, SeqTwoByteString::kHeaderSize - kHeapObjectTag); | 3071 __ Add(scratch, string, SeqTwoByteString::kHeaderSize - kHeapObjectTag); |
3072 __ SmiUntag(value); | 3072 __ SmiUntag(value); |
3073 __ SmiUntag(index); | 3073 __ SmiUntag(index); |
3074 __ Strh(value, MemOperand(scratch, index, LSL, 1)); | 3074 __ Strh(value, MemOperand(scratch, index, LSL, 1)); |
3075 context()->Plug(string); | 3075 context()->Plug(string); |
3076 } | 3076 } |
3077 | 3077 |
3078 | 3078 |
3079 void FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) { | |
3080 ZoneList<Expression*>* args = expr->arguments(); | |
3081 DCHECK(args->length() == 2); | |
3082 VisitForStackValue(args->at(0)); // Load the object. | |
3083 VisitForAccumulatorValue(args->at(1)); // Load the value. | |
3084 __ Pop(x1); | |
3085 // x0 = value. | |
3086 // x1 = object. | |
3087 | |
3088 Label done; | |
3089 // If the object is a smi, return the value. | |
3090 __ JumpIfSmi(x1, &done); | |
3091 | |
3092 // If the object is not a value type, return the value. | |
3093 __ JumpIfNotObjectType(x1, x10, x11, JS_VALUE_TYPE, &done); | |
3094 | |
3095 // Store the value. | |
3096 __ Str(x0, FieldMemOperand(x1, JSValue::kValueOffset)); | |
3097 // Update the write barrier. Save the value as it will be | |
3098 // overwritten by the write barrier code and is needed afterward. | |
3099 __ Mov(x10, x0); | |
3100 __ RecordWriteField( | |
3101 x1, JSValue::kValueOffset, x10, x11, kLRHasBeenSaved, kDontSaveFPRegs); | |
3102 | |
3103 __ Bind(&done); | |
3104 context()->Plug(x0); | |
3105 } | |
3106 | |
3107 | |
3108 void FullCodeGenerator::EmitToInteger(CallRuntime* expr) { | 3079 void FullCodeGenerator::EmitToInteger(CallRuntime* expr) { |
3109 ZoneList<Expression*>* args = expr->arguments(); | 3080 ZoneList<Expression*>* args = expr->arguments(); |
3110 DCHECK_EQ(1, args->length()); | 3081 DCHECK_EQ(1, args->length()); |
3111 | 3082 |
3112 // Load the argument into x0 and convert it. | 3083 // Load the argument into x0 and convert it. |
3113 VisitForAccumulatorValue(args->at(0)); | 3084 VisitForAccumulatorValue(args->at(0)); |
3114 | 3085 |
3115 // Convert the object to an integer. | 3086 // Convert the object to an integer. |
3116 Label done_convert; | 3087 Label done_convert; |
3117 __ JumpIfSmi(x0, &done_convert); | 3088 __ JumpIfSmi(x0, &done_convert); |
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4623 } | 4594 } |
4624 | 4595 |
4625 return INTERRUPT; | 4596 return INTERRUPT; |
4626 } | 4597 } |
4627 | 4598 |
4628 | 4599 |
4629 } // namespace internal | 4600 } // namespace internal |
4630 } // namespace v8 | 4601 } // namespace v8 |
4631 | 4602 |
4632 #endif // V8_TARGET_ARCH_ARM64 | 4603 #endif // V8_TARGET_ARCH_ARM64 |
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