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Issue 1630523002: [turbofan] Switch JSForInPrepare to %ForInPrepare style. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 11 months ago
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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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1113 1113
1114 // We got a fixed array in register x0. Iterate through that. 1114 // We got a fixed array in register x0. Iterate through that.
1115 __ Bind(&fixed_array); 1115 __ Bind(&fixed_array);
1116 1116
1117 __ EmitLoadTypeFeedbackVector(x1); 1117 __ EmitLoadTypeFeedbackVector(x1);
1118 __ Mov(x10, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate()))); 1118 __ Mov(x10, Operand(TypeFeedbackVector::MegamorphicSentinel(isolate())));
1119 int vector_index = SmiFromSlot(slot)->value(); 1119 int vector_index = SmiFromSlot(slot)->value();
1120 __ Str(x10, FieldMemOperand(x1, FixedArray::OffsetOfElementAt(vector_index))); 1120 __ Str(x10, FieldMemOperand(x1, FixedArray::OffsetOfElementAt(vector_index)));
1121 __ Mov(x1, Smi::FromInt(1)); // Smi(1) indicates slow check. 1121 __ Mov(x1, Smi::FromInt(1)); // Smi(1) indicates slow check.
1122 __ Ldr(x2, FieldMemOperand(x0, FixedArray::kLengthOffset)); 1122 __ Ldr(x2, FieldMemOperand(x0, FixedArray::kLengthOffset));
1123 // Smi and array, fixed array length (as smi) and initial index. 1123 __ Push(x1, x0, x2); // Smi and array, fixed array length (as smi).
1124 __ Push(x1, x0, x2, xzr); 1124 PrepareForBailoutForId(stmt->PrepareId(), NO_REGISTERS);
1125 __ Push(xzr); // Initial index.
1125 1126
1126 // Generate code for doing the condition check. 1127 // Generate code for doing the condition check.
1127 __ Bind(&loop); 1128 __ Bind(&loop);
1128 SetExpressionAsStatementPosition(stmt->each()); 1129 SetExpressionAsStatementPosition(stmt->each());
1129 1130
1130 // Load the current count to x0, load the length to x1. 1131 // Load the current count to x0, load the length to x1.
1131 __ PeekPair(x0, x1, 0); 1132 __ PeekPair(x0, x1, 0);
1132 __ Cmp(x0, x1); // Compare to the array length. 1133 __ Cmp(x0, x1); // Compare to the array length.
1133 __ B(hs, loop_statement.break_label()); 1134 __ B(hs, loop_statement.break_label());
1134 1135
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4835 } 4836 }
4836 4837
4837 return INTERRUPT; 4838 return INTERRUPT;
4838 } 4839 }
4839 4840
4840 4841
4841 } // namespace internal 4842 } // namespace internal
4842 } // namespace v8 4843 } // namespace v8
4843 4844
4844 #endif // V8_TARGET_ARCH_ARM64 4845 #endif // V8_TARGET_ARCH_ARM64
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