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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 <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_ARM | 9 #if V8_TARGET_ARCH_ARM |
10 | 10 |
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1597 ldr(scratch, FieldMemOperand(scratch, token_offset)); | 1597 ldr(scratch, FieldMemOperand(scratch, token_offset)); |
1598 ldr(ip, FieldMemOperand(ip, token_offset)); | 1598 ldr(ip, FieldMemOperand(ip, token_offset)); |
1599 cmp(scratch, Operand(ip)); | 1599 cmp(scratch, Operand(ip)); |
1600 b(ne, miss); | 1600 b(ne, miss); |
1601 | 1601 |
1602 bind(&same_contexts); | 1602 bind(&same_contexts); |
1603 } | 1603 } |
1604 | 1604 |
1605 | 1605 |
1606 // Compute the hash code from the untagged key. This must be kept in sync with | 1606 // Compute the hash code from the untagged key. This must be kept in sync with |
1607 // ComputeIntegerHash in utils.h and KeyedLoadGenericElementStub in | 1607 // ComputeIntegerHash in utils.h and KeyedLoadGenericStub in |
1608 // code-stub-hydrogen.cc | 1608 // code-stub-hydrogen.cc |
1609 void MacroAssembler::GetNumberHash(Register t0, Register scratch) { | 1609 void MacroAssembler::GetNumberHash(Register t0, Register scratch) { |
1610 // First of all we assign the hash seed to scratch. | 1610 // First of all we assign the hash seed to scratch. |
1611 LoadRoot(scratch, Heap::kHashSeedRootIndex); | 1611 LoadRoot(scratch, Heap::kHashSeedRootIndex); |
1612 SmiUntag(scratch); | 1612 SmiUntag(scratch); |
1613 | 1613 |
1614 // Xor original key with a seed. | 1614 // Xor original key with a seed. |
1615 eor(t0, t0, Operand(scratch)); | 1615 eor(t0, t0, Operand(scratch)); |
1616 | 1616 |
1617 // Compute the hash code from the untagged key. This must be kept in sync | 1617 // Compute the hash code from the untagged key. This must be kept in sync |
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4102 sub(result, result, Operand(dividend)); | 4102 sub(result, result, Operand(dividend)); |
4103 } | 4103 } |
4104 if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift())); | 4104 if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift())); |
4105 add(result, result, Operand(dividend, LSR, 31)); | 4105 add(result, result, Operand(dividend, LSR, 31)); |
4106 } | 4106 } |
4107 | 4107 |
4108 | 4108 |
4109 } } // namespace v8::internal | 4109 } } // namespace v8::internal |
4110 | 4110 |
4111 #endif // V8_TARGET_ARCH_ARM | 4111 #endif // V8_TARGET_ARCH_ARM |
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