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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 "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/base/division-by-constant.h" | 10 #include "src/base/division-by-constant.h" |
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4360 times_pointer_size, | 4360 times_pointer_size, |
4361 SeededNumberDictionary::kElementsStartOffset)); | 4361 SeededNumberDictionary::kElementsStartOffset)); |
4362 if (i != (kNumberDictionaryProbes - 1)) { | 4362 if (i != (kNumberDictionaryProbes - 1)) { |
4363 j(equal, &done); | 4363 j(equal, &done); |
4364 } else { | 4364 } else { |
4365 j(not_equal, miss); | 4365 j(not_equal, miss); |
4366 } | 4366 } |
4367 } | 4367 } |
4368 | 4368 |
4369 bind(&done); | 4369 bind(&done); |
4370 // Check that the value is a normal propety. | 4370 // Check that the value is a field property. |
4371 const int kDetailsOffset = | 4371 const int kDetailsOffset = |
4372 SeededNumberDictionary::kElementsStartOffset + 2 * kPointerSize; | 4372 SeededNumberDictionary::kElementsStartOffset + 2 * kPointerSize; |
4373 DCHECK_EQ(NORMAL, 0); | 4373 DCHECK_EQ(FIELD, 0); |
4374 Test(FieldOperand(elements, r2, times_pointer_size, kDetailsOffset), | 4374 Test(FieldOperand(elements, r2, times_pointer_size, kDetailsOffset), |
4375 Smi::FromInt(PropertyDetails::TypeField::kMask)); | 4375 Smi::FromInt(PropertyDetails::TypeField::kMask)); |
4376 j(not_zero, miss); | 4376 j(not_zero, miss); |
4377 | 4377 |
4378 // Get the value at the masked, scaled index. | 4378 // Get the value at the masked, scaled index. |
4379 const int kValueOffset = | 4379 const int kValueOffset = |
4380 SeededNumberDictionary::kElementsStartOffset + kPointerSize; | 4380 SeededNumberDictionary::kElementsStartOffset + kPointerSize; |
4381 movp(result, FieldOperand(elements, r2, times_pointer_size, kValueOffset)); | 4381 movp(result, FieldOperand(elements, r2, times_pointer_size, kValueOffset)); |
4382 } | 4382 } |
4383 | 4383 |
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5394 if (mag.shift > 0) sarl(rdx, Immediate(mag.shift)); | 5394 if (mag.shift > 0) sarl(rdx, Immediate(mag.shift)); |
5395 movl(rax, dividend); | 5395 movl(rax, dividend); |
5396 shrl(rax, Immediate(31)); | 5396 shrl(rax, Immediate(31)); |
5397 addl(rdx, rax); | 5397 addl(rdx, rax); |
5398 } | 5398 } |
5399 | 5399 |
5400 | 5400 |
5401 } } // namespace v8::internal | 5401 } } // namespace v8::internal |
5402 | 5402 |
5403 #endif // V8_TARGET_ARCH_X64 | 5403 #endif // V8_TARGET_ARCH_X64 |
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