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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/full-codegen/full-codegen.h" | 7 #include "src/full-codegen/full-codegen.h" |
8 #include "src/ast/compile-time-value.h" | 8 #include "src/ast/compile-time-value.h" |
9 #include "src/ast/scopes.h" | 9 #include "src/ast/scopes.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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1005 increment_loop_depth(); | 1005 increment_loop_depth(); |
1006 | 1006 |
1007 // If the object is null or undefined, skip over the loop, otherwise convert | 1007 // If the object is null or undefined, skip over the loop, otherwise convert |
1008 // it to a JS receiver. See ECMA-262 version 5, section 12.6.4. | 1008 // it to a JS receiver. See ECMA-262 version 5, section 12.6.4. |
1009 Label convert, done_convert; | 1009 Label convert, done_convert; |
1010 __ JumpIfSmi(x0, &convert); | 1010 __ JumpIfSmi(x0, &convert); |
1011 __ JumpIfObjectType(x0, x10, x11, FIRST_JS_RECEIVER_TYPE, &done_convert, ge); | 1011 __ JumpIfObjectType(x0, x10, x11, FIRST_JS_RECEIVER_TYPE, &done_convert, ge); |
1012 __ JumpIfRoot(x0, Heap::kNullValueRootIndex, &exit); | 1012 __ JumpIfRoot(x0, Heap::kNullValueRootIndex, &exit); |
1013 __ JumpIfRoot(x0, Heap::kUndefinedValueRootIndex, &exit); | 1013 __ JumpIfRoot(x0, Heap::kUndefinedValueRootIndex, &exit); |
1014 __ Bind(&convert); | 1014 __ Bind(&convert); |
1015 ToObjectStub stub(isolate()); | 1015 __ Call(isolate()->builtins()->ToObject(), RelocInfo::CODE_TARGET); |
1016 __ CallStub(&stub); | |
1017 RestoreContext(); | 1016 RestoreContext(); |
1018 __ Bind(&done_convert); | 1017 __ Bind(&done_convert); |
1019 PrepareForBailoutForId(stmt->ToObjectId(), BailoutState::TOS_REGISTER); | 1018 PrepareForBailoutForId(stmt->ToObjectId(), BailoutState::TOS_REGISTER); |
1020 __ Push(x0); | 1019 __ Push(x0); |
1021 | 1020 |
1022 // Check cache validity in generated code. If we cannot guarantee cache | 1021 // Check cache validity in generated code. If we cannot guarantee cache |
1023 // validity, call the runtime system to check cache validity or get the | 1022 // validity, call the runtime system to check cache validity or get the |
1024 // property names in a fixed array. Note: Proxies never have an enum cache, | 1023 // property names in a fixed array. Note: Proxies never have an enum cache, |
1025 // so will always take the slow path. | 1024 // so will always take the slow path. |
1026 Label call_runtime; | 1025 Label call_runtime; |
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1101 __ Cmp(x11, x2); | 1100 __ Cmp(x11, x2); |
1102 __ B(eq, &update_each); | 1101 __ B(eq, &update_each); |
1103 | 1102 |
1104 // We need to filter the key, record slow-path here. | 1103 // We need to filter the key, record slow-path here. |
1105 int const vector_index = SmiFromSlot(slot)->value(); | 1104 int const vector_index = SmiFromSlot(slot)->value(); |
1106 __ EmitLoadTypeFeedbackVector(x3); | 1105 __ EmitLoadTypeFeedbackVector(x3); |
1107 __ Mov(x10, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate()))); | 1106 __ Mov(x10, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate()))); |
1108 __ Str(x10, FieldMemOperand(x3, FixedArray::OffsetOfElementAt(vector_index))); | 1107 __ Str(x10, FieldMemOperand(x3, FixedArray::OffsetOfElementAt(vector_index))); |
1109 | 1108 |
1110 // x0 contains the key. The receiver in x1 is the second argument to the | 1109 // x0 contains the key. The receiver in x1 is the second argument to the |
1111 // ForInFilterStub. ForInFilter returns undefined if the receiver doesn't | 1110 // ForInFilter. ForInFilter returns undefined if the receiver doesn't |
1112 // have the key or returns the name-converted key. | 1111 // have the key or returns the name-converted key. |
1113 ForInFilterStub filter_stub(isolate()); | 1112 __ Call(isolate()->builtins()->ForInFilter(), RelocInfo::CODE_TARGET); |
1114 __ CallStub(&filter_stub); | |
1115 RestoreContext(); | 1113 RestoreContext(); |
1116 PrepareForBailoutForId(stmt->FilterId(), BailoutState::TOS_REGISTER); | 1114 PrepareForBailoutForId(stmt->FilterId(), BailoutState::TOS_REGISTER); |
1117 __ CompareRoot(result_register(), Heap::kUndefinedValueRootIndex); | 1115 __ CompareRoot(result_register(), Heap::kUndefinedValueRootIndex); |
1118 __ B(eq, loop_statement.continue_label()); | 1116 __ B(eq, loop_statement.continue_label()); |
1119 | 1117 |
1120 // Update the 'each' property or variable from the possibly filtered | 1118 // Update the 'each' property or variable from the possibly filtered |
1121 // entry in register x0. | 1119 // entry in register x0. |
1122 __ Bind(&update_each); | 1120 __ Bind(&update_each); |
1123 // Perform the assignment as if via '='. | 1121 // Perform the assignment as if via '='. |
1124 { EffectContext context(this); | 1122 { EffectContext context(this); |
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2964 } | 2962 } |
2965 break; | 2963 break; |
2966 } | 2964 } |
2967 case Token::TYPEOF: { | 2965 case Token::TYPEOF: { |
2968 Comment cmnt(masm_, "[ UnaryOperation (TYPEOF)"); | 2966 Comment cmnt(masm_, "[ UnaryOperation (TYPEOF)"); |
2969 { | 2967 { |
2970 AccumulatorValueContext context(this); | 2968 AccumulatorValueContext context(this); |
2971 VisitForTypeofValue(expr->expression()); | 2969 VisitForTypeofValue(expr->expression()); |
2972 } | 2970 } |
2973 __ Mov(x3, x0); | 2971 __ Mov(x3, x0); |
2974 TypeofStub typeof_stub(isolate()); | 2972 __ Call(isolate()->builtins()->Typeof(), RelocInfo::CODE_TARGET); |
2975 __ CallStub(&typeof_stub); | |
2976 context()->Plug(x0); | 2973 context()->Plug(x0); |
2977 break; | 2974 break; |
2978 } | 2975 } |
2979 default: | 2976 default: |
2980 UNREACHABLE(); | 2977 UNREACHABLE(); |
2981 } | 2978 } |
2982 } | 2979 } |
2983 | 2980 |
2984 | 2981 |
2985 void FullCodeGenerator::VisitCountOperation(CountOperation* expr) { | 2982 void FullCodeGenerator::VisitCountOperation(CountOperation* expr) { |
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3340 EmitHasProperty(); | 3337 EmitHasProperty(); |
3341 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); | 3338 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); |
3342 __ CompareRoot(x0, Heap::kTrueValueRootIndex); | 3339 __ CompareRoot(x0, Heap::kTrueValueRootIndex); |
3343 Split(eq, if_true, if_false, fall_through); | 3340 Split(eq, if_true, if_false, fall_through); |
3344 break; | 3341 break; |
3345 | 3342 |
3346 case Token::INSTANCEOF: { | 3343 case Token::INSTANCEOF: { |
3347 VisitForAccumulatorValue(expr->right()); | 3344 VisitForAccumulatorValue(expr->right()); |
3348 SetExpressionPosition(expr); | 3345 SetExpressionPosition(expr); |
3349 PopOperand(x1); | 3346 PopOperand(x1); |
3350 InstanceOfStub stub(isolate()); | 3347 __ Call(isolate()->builtins()->InstanceOf(), RelocInfo::CODE_TARGET); |
3351 __ CallStub(&stub); | |
3352 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); | 3348 PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); |
3353 __ CompareRoot(x0, Heap::kTrueValueRootIndex); | 3349 __ CompareRoot(x0, Heap::kTrueValueRootIndex); |
3354 Split(eq, if_true, if_false, fall_through); | 3350 Split(eq, if_true, if_false, fall_through); |
3355 break; | 3351 break; |
3356 } | 3352 } |
3357 | 3353 |
3358 default: { | 3354 default: { |
3359 VisitForAccumulatorValue(expr->right()); | 3355 VisitForAccumulatorValue(expr->right()); |
3360 SetExpressionPosition(expr); | 3356 SetExpressionPosition(expr); |
3361 Condition cond = CompareIC::ComputeCondition(op); | 3357 Condition cond = CompareIC::ComputeCondition(op); |
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3742 } | 3738 } |
3743 | 3739 |
3744 return INTERRUPT; | 3740 return INTERRUPT; |
3745 } | 3741 } |
3746 | 3742 |
3747 | 3743 |
3748 } // namespace internal | 3744 } // namespace internal |
3749 } // namespace v8 | 3745 } // namespace v8 |
3750 | 3746 |
3751 #endif // V8_TARGET_ARCH_ARM64 | 3747 #endif // V8_TARGET_ARCH_ARM64 |
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