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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_MIPS64 | 9 #if V8_TARGET_ARCH_MIPS64 |
10 | 10 |
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478 Context::SECURITY_TOKEN_INDEX * kPointerSize; | 478 Context::SECURITY_TOKEN_INDEX * kPointerSize; |
479 | 479 |
480 ld(scratch, FieldMemOperand(scratch, token_offset)); | 480 ld(scratch, FieldMemOperand(scratch, token_offset)); |
481 ld(at, FieldMemOperand(at, token_offset)); | 481 ld(at, FieldMemOperand(at, token_offset)); |
482 Branch(miss, ne, scratch, Operand(at)); | 482 Branch(miss, ne, scratch, Operand(at)); |
483 | 483 |
484 bind(&same_contexts); | 484 bind(&same_contexts); |
485 } | 485 } |
486 | 486 |
487 | 487 |
| 488 // Compute the hash code from the untagged key. This must be kept in sync with |
| 489 // ComputeIntegerHash in utils.h and KeyedLoadGenericStub in |
| 490 // code-stub-hydrogen.cc |
488 void MacroAssembler::GetNumberHash(Register reg0, Register scratch) { | 491 void MacroAssembler::GetNumberHash(Register reg0, Register scratch) { |
489 // First of all we assign the hash seed to scratch. | 492 // First of all we assign the hash seed to scratch. |
490 LoadRoot(scratch, Heap::kHashSeedRootIndex); | 493 LoadRoot(scratch, Heap::kHashSeedRootIndex); |
491 SmiUntag(scratch); | 494 SmiUntag(scratch); |
492 | 495 |
493 // Xor original key with a seed. | 496 // Xor original key with a seed. |
494 xor_(reg0, reg0, scratch); | 497 xor_(reg0, reg0, scratch); |
495 | 498 |
496 // Compute the hash code from the untagged key. This must be kept in sync | 499 // Compute the hash code from the untagged key. This must be kept in sync |
497 // with ComputeIntegerHash in utils.h. | 500 // with ComputeIntegerHash in utils.h. |
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6099 } | 6102 } |
6100 if (ms.shift() > 0) sra(result, result, ms.shift()); | 6103 if (ms.shift() > 0) sra(result, result, ms.shift()); |
6101 srl(at, dividend, 31); | 6104 srl(at, dividend, 31); |
6102 Addu(result, result, Operand(at)); | 6105 Addu(result, result, Operand(at)); |
6103 } | 6106 } |
6104 | 6107 |
6105 | 6108 |
6106 } } // namespace v8::internal | 6109 } } // namespace v8::internal |
6107 | 6110 |
6108 #endif // V8_TARGET_ARCH_MIPS64 | 6111 #endif // V8_TARGET_ARCH_MIPS64 |
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