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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 628 Register temp1, | 628 Register temp1, |
| 629 Register temp2) { | 629 Register temp2) { |
| 630 ASSERT(!input.is(result)); | 630 ASSERT(!input.is(result)); |
| 631 ASSERT(!input.is(double_scratch)); | 631 ASSERT(!input.is(double_scratch)); |
| 632 ASSERT(!result.is(double_scratch)); | 632 ASSERT(!result.is(double_scratch)); |
| 633 ASSERT(!temp1.is(temp2)); | 633 ASSERT(!temp1.is(temp2)); |
| 634 ASSERT(ExternalReference::math_exp_constants(0).address() != NULL); | 634 ASSERT(ExternalReference::math_exp_constants(0).address() != NULL); |
| 635 | 635 |
| 636 Label done; | 636 Label done; |
| 637 | 637 |
| 638 __ movq(kScratchRegister, ExternalReference::math_exp_constants(0)); | 638 __ Move(kScratchRegister, ExternalReference::math_exp_constants(0)); |
| 639 __ movsd(double_scratch, Operand(kScratchRegister, 0 * kDoubleSize)); | 639 __ movsd(double_scratch, Operand(kScratchRegister, 0 * kDoubleSize)); |
| 640 __ xorpd(result, result); | 640 __ xorpd(result, result); |
| 641 __ ucomisd(double_scratch, input); | 641 __ ucomisd(double_scratch, input); |
| 642 __ j(above_equal, &done); | 642 __ j(above_equal, &done); |
| 643 __ ucomisd(input, Operand(kScratchRegister, 1 * kDoubleSize)); | 643 __ ucomisd(input, Operand(kScratchRegister, 1 * kDoubleSize)); |
| 644 __ movsd(result, Operand(kScratchRegister, 2 * kDoubleSize)); | 644 __ movsd(result, Operand(kScratchRegister, 2 * kDoubleSize)); |
| 645 __ j(above_equal, &done); | 645 __ j(above_equal, &done); |
| 646 __ movsd(double_scratch, Operand(kScratchRegister, 3 * kDoubleSize)); | 646 __ movsd(double_scratch, Operand(kScratchRegister, 3 * kDoubleSize)); |
| 647 __ movsd(result, Operand(kScratchRegister, 4 * kDoubleSize)); | 647 __ movsd(result, Operand(kScratchRegister, 4 * kDoubleSize)); |
| 648 __ mulsd(double_scratch, input); | 648 __ mulsd(double_scratch, input); |
| 649 __ addsd(double_scratch, result); | 649 __ addsd(double_scratch, result); |
| 650 __ movq(temp2, double_scratch); | 650 __ movq(temp2, double_scratch); |
| 651 __ subsd(double_scratch, result); | 651 __ subsd(double_scratch, result); |
| 652 __ movsd(result, Operand(kScratchRegister, 6 * kDoubleSize)); | 652 __ movsd(result, Operand(kScratchRegister, 6 * kDoubleSize)); |
| 653 __ lea(temp1, Operand(temp2, 0x1ff800)); | 653 __ lea(temp1, Operand(temp2, 0x1ff800)); |
| 654 __ and_(temp2, Immediate(0x7ff)); | 654 __ and_(temp2, Immediate(0x7ff)); |
| 655 __ shr(temp1, Immediate(11)); | 655 __ shr(temp1, Immediate(11)); |
| 656 __ mulsd(double_scratch, Operand(kScratchRegister, 5 * kDoubleSize)); | 656 __ mulsd(double_scratch, Operand(kScratchRegister, 5 * kDoubleSize)); |
| 657 __ movq(kScratchRegister, ExternalReference::math_exp_log_table()); | 657 __ Move(kScratchRegister, ExternalReference::math_exp_log_table()); |
| 658 __ shl(temp1, Immediate(52)); | 658 __ shl(temp1, Immediate(52)); |
| 659 __ or_(temp1, Operand(kScratchRegister, temp2, times_8, 0)); | 659 __ or_(temp1, Operand(kScratchRegister, temp2, times_8, 0)); |
| 660 __ movq(kScratchRegister, ExternalReference::math_exp_constants(0)); | 660 __ Move(kScratchRegister, ExternalReference::math_exp_constants(0)); |
| 661 __ subsd(double_scratch, input); | 661 __ subsd(double_scratch, input); |
| 662 __ movsd(input, double_scratch); | 662 __ movsd(input, double_scratch); |
| 663 __ subsd(result, double_scratch); | 663 __ subsd(result, double_scratch); |
| 664 __ mulsd(input, double_scratch); | 664 __ mulsd(input, double_scratch); |
| 665 __ mulsd(result, input); | 665 __ mulsd(result, input); |
| 666 __ movq(input, temp1); | 666 __ movq(input, temp1); |
| 667 __ mulsd(result, Operand(kScratchRegister, 7 * kDoubleSize)); | 667 __ mulsd(result, Operand(kScratchRegister, 7 * kDoubleSize)); |
| 668 __ subsd(result, double_scratch); | 668 __ subsd(result, double_scratch); |
| 669 __ addsd(result, Operand(kScratchRegister, 8 * kDoubleSize)); | 669 __ addsd(result, Operand(kScratchRegister, 8 * kDoubleSize)); |
| 670 __ mulsd(result, input); | 670 __ mulsd(result, input); |
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| 754 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. | 754 // argument_count_reg_ * times_pointer_size + (receiver - 1) * kPointerSize. |
| 755 return Operand(base_reg_, argument_count_reg_, times_pointer_size, | 755 return Operand(base_reg_, argument_count_reg_, times_pointer_size, |
| 756 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); | 756 displacement_to_last_argument + (receiver - 1 - index) * kPointerSize); |
| 757 } | 757 } |
| 758 } | 758 } |
| 759 | 759 |
| 760 | 760 |
| 761 } } // namespace v8::internal | 761 } } // namespace v8::internal |
| 762 | 762 |
| 763 #endif // V8_TARGET_ARCH_X64 | 763 #endif // V8_TARGET_ARCH_X64 |
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