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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/x64/codegen-x64.h" | 5 #include "src/x64/codegen-x64.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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607 __ xorpd(result, result); | 607 __ xorpd(result, result); |
608 __ ucomisd(double_scratch, input); | 608 __ ucomisd(double_scratch, input); |
609 __ j(above_equal, &done); | 609 __ j(above_equal, &done); |
610 __ ucomisd(input, Operand(kScratchRegister, 1 * kDoubleSize)); | 610 __ ucomisd(input, Operand(kScratchRegister, 1 * kDoubleSize)); |
611 __ Movsd(result, Operand(kScratchRegister, 2 * kDoubleSize)); | 611 __ Movsd(result, Operand(kScratchRegister, 2 * kDoubleSize)); |
612 __ j(above_equal, &done); | 612 __ j(above_equal, &done); |
613 __ Movsd(double_scratch, Operand(kScratchRegister, 3 * kDoubleSize)); | 613 __ Movsd(double_scratch, Operand(kScratchRegister, 3 * kDoubleSize)); |
614 __ Movsd(result, Operand(kScratchRegister, 4 * kDoubleSize)); | 614 __ Movsd(result, Operand(kScratchRegister, 4 * kDoubleSize)); |
615 __ mulsd(double_scratch, input); | 615 __ mulsd(double_scratch, input); |
616 __ addsd(double_scratch, result); | 616 __ addsd(double_scratch, result); |
617 __ movq(temp2, double_scratch); | 617 __ Movq(temp2, double_scratch); |
618 __ subsd(double_scratch, result); | 618 __ subsd(double_scratch, result); |
619 __ Movsd(result, Operand(kScratchRegister, 6 * kDoubleSize)); | 619 __ Movsd(result, Operand(kScratchRegister, 6 * kDoubleSize)); |
620 __ leaq(temp1, Operand(temp2, 0x1ff800)); | 620 __ leaq(temp1, Operand(temp2, 0x1ff800)); |
621 __ andq(temp2, Immediate(0x7ff)); | 621 __ andq(temp2, Immediate(0x7ff)); |
622 __ shrq(temp1, Immediate(11)); | 622 __ shrq(temp1, Immediate(11)); |
623 __ mulsd(double_scratch, Operand(kScratchRegister, 5 * kDoubleSize)); | 623 __ mulsd(double_scratch, Operand(kScratchRegister, 5 * kDoubleSize)); |
624 __ Move(kScratchRegister, ExternalReference::math_exp_log_table()); | 624 __ Move(kScratchRegister, ExternalReference::math_exp_log_table()); |
625 __ shlq(temp1, Immediate(52)); | 625 __ shlq(temp1, Immediate(52)); |
626 __ orq(temp1, Operand(kScratchRegister, temp2, times_8, 0)); | 626 __ orq(temp1, Operand(kScratchRegister, temp2, times_8, 0)); |
627 __ Move(kScratchRegister, ExternalReference::math_exp_constants(0)); | 627 __ Move(kScratchRegister, ExternalReference::math_exp_constants(0)); |
628 __ subsd(double_scratch, input); | 628 __ subsd(double_scratch, input); |
629 __ Movsd(input, double_scratch); | 629 __ Movsd(input, double_scratch); |
630 __ subsd(result, double_scratch); | 630 __ subsd(result, double_scratch); |
631 __ mulsd(input, double_scratch); | 631 __ mulsd(input, double_scratch); |
632 __ mulsd(result, input); | 632 __ mulsd(result, input); |
633 __ movq(input, temp1); | 633 __ Movq(input, temp1); |
634 __ mulsd(result, Operand(kScratchRegister, 7 * kDoubleSize)); | 634 __ mulsd(result, Operand(kScratchRegister, 7 * kDoubleSize)); |
635 __ subsd(result, double_scratch); | 635 __ subsd(result, double_scratch); |
636 __ addsd(result, Operand(kScratchRegister, 8 * kDoubleSize)); | 636 __ addsd(result, Operand(kScratchRegister, 8 * kDoubleSize)); |
637 __ mulsd(result, input); | 637 __ mulsd(result, input); |
638 | 638 |
639 __ bind(&done); | 639 __ bind(&done); |
640 } | 640 } |
641 | 641 |
642 #undef __ | 642 #undef __ |
643 | 643 |
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720 return Operand(base_reg_, argument_count_reg_, times_pointer_size, | 720 return Operand(base_reg_, argument_count_reg_, times_pointer_size, |
721 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); | 721 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); |
722 } | 722 } |
723 } | 723 } |
724 | 724 |
725 | 725 |
726 } // namespace internal | 726 } // namespace internal |
727 } // namespace v8 | 727 } // namespace v8 |
728 | 728 |
729 #endif // V8_TARGET_ARCH_X64 | 729 #endif // V8_TARGET_ARCH_X64 |
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