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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/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
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578 XMMRegister input, | 578 XMMRegister input, |
579 XMMRegister result, | 579 XMMRegister result, |
580 XMMRegister double_scratch, | 580 XMMRegister double_scratch, |
581 Register temp1, | 581 Register temp1, |
582 Register temp2) { | 582 Register temp2) { |
583 DCHECK(!input.is(result)); | 583 DCHECK(!input.is(result)); |
584 DCHECK(!input.is(double_scratch)); | 584 DCHECK(!input.is(double_scratch)); |
585 DCHECK(!result.is(double_scratch)); | 585 DCHECK(!result.is(double_scratch)); |
586 DCHECK(!temp1.is(temp2)); | 586 DCHECK(!temp1.is(temp2)); |
587 DCHECK(ExternalReference::math_exp_constants(0).address() != NULL); | 587 DCHECK(ExternalReference::math_exp_constants(0).address() != NULL); |
| 588 DCHECK(!masm->serializer_enabled()); // External references not serializable. |
588 | 589 |
589 Label done; | 590 Label done; |
590 | 591 |
591 __ Move(kScratchRegister, ExternalReference::math_exp_constants(0)); | 592 __ Move(kScratchRegister, ExternalReference::math_exp_constants(0)); |
592 __ movsd(double_scratch, Operand(kScratchRegister, 0 * kDoubleSize)); | 593 __ movsd(double_scratch, Operand(kScratchRegister, 0 * kDoubleSize)); |
593 __ xorpd(result, result); | 594 __ xorpd(result, result); |
594 __ ucomisd(double_scratch, input); | 595 __ ucomisd(double_scratch, input); |
595 __ j(above_equal, &done); | 596 __ j(above_equal, &done); |
596 __ ucomisd(input, Operand(kScratchRegister, 1 * kDoubleSize)); | 597 __ ucomisd(input, Operand(kScratchRegister, 1 * kDoubleSize)); |
597 __ movsd(result, Operand(kScratchRegister, 2 * kDoubleSize)); | 598 __ movsd(result, Operand(kScratchRegister, 2 * kDoubleSize)); |
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705 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. | 706 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. |
706 return Operand(base_reg_, argument_count_reg_, times_pointer_size, | 707 return Operand(base_reg_, argument_count_reg_, times_pointer_size, |
707 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); | 708 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); |
708 } | 709 } |
709 } | 710 } |
710 | 711 |
711 | 712 |
712 } } // namespace v8::internal | 713 } } // namespace v8::internal |
713 | 714 |
714 #endif // V8_TARGET_ARCH_X64 | 715 #endif // V8_TARGET_ARCH_X64 |
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