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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
6 | 6 |
7 #include "src/bootstrapper.h" | 7 #include "src/bootstrapper.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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645 | 645 |
646 // Never fall through to here. | 646 // Never fall through to here. |
647 if (FLAG_debug_code) { | 647 if (FLAG_debug_code) { |
648 __ Unreachable(); | 648 __ Unreachable(); |
649 } | 649 } |
650 | 650 |
651 __ Bind(&slow); | 651 __ Bind(&slow); |
652 | 652 |
653 __ Push(lhs, rhs); | 653 __ Push(lhs, rhs); |
654 // Figure out which native to call and setup the arguments. | 654 // Figure out which native to call and setup the arguments. |
655 if (cond == eq && strict()) { | 655 if (cond == eq) { |
656 __ TailCallRuntime(Runtime::kStrictEquals, 2, 1); | 656 __ TailCallRuntime(strict() ? Runtime::kStrictEquals : Runtime::kEquals, 2, |
| 657 1); |
657 } else { | 658 } else { |
658 int context_index; | 659 int context_index = is_strong(strength()) |
659 if (cond == eq) { | 660 ? Context::COMPARE_STRONG_BUILTIN_INDEX |
660 context_index = Context::EQUALS_BUILTIN_INDEX; | 661 : Context::COMPARE_BUILTIN_INDEX; |
| 662 int ncr; // NaN compare result |
| 663 if ((cond == lt) || (cond == le)) { |
| 664 ncr = GREATER; |
661 } else { | 665 } else { |
662 context_index = is_strong(strength()) | 666 DCHECK((cond == gt) || (cond == ge)); // remaining cases |
663 ? Context::COMPARE_STRONG_BUILTIN_INDEX | 667 ncr = LESS; |
664 : Context::COMPARE_BUILTIN_INDEX; | |
665 int ncr; // NaN compare result | |
666 if ((cond == lt) || (cond == le)) { | |
667 ncr = GREATER; | |
668 } else { | |
669 DCHECK((cond == gt) || (cond == ge)); // remaining cases | |
670 ncr = LESS; | |
671 } | |
672 __ Mov(x10, Smi::FromInt(ncr)); | |
673 __ Push(x10); | |
674 } | 668 } |
| 669 __ Mov(x10, Smi::FromInt(ncr)); |
| 670 __ Push(x10); |
675 | 671 |
676 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) | 672 // Call the native; it returns -1 (less), 0 (equal), or 1 (greater) |
677 // tagged as a small integer. | 673 // tagged as a small integer. |
678 __ InvokeBuiltin(context_index, JUMP_FUNCTION); | 674 __ InvokeBuiltin(context_index, JUMP_FUNCTION); |
679 } | 675 } |
680 | 676 |
681 __ Bind(&miss); | 677 __ Bind(&miss); |
682 GenerateMiss(masm); | 678 GenerateMiss(masm); |
683 } | 679 } |
684 | 680 |
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6002 MemOperand(fp, 6 * kPointerSize), NULL); | 5998 MemOperand(fp, 6 * kPointerSize), NULL); |
6003 } | 5999 } |
6004 | 6000 |
6005 | 6001 |
6006 #undef __ | 6002 #undef __ |
6007 | 6003 |
6008 } // namespace internal | 6004 } // namespace internal |
6009 } // namespace v8 | 6005 } // namespace v8 |
6010 | 6006 |
6011 #endif // V8_TARGET_ARCH_ARM64 | 6007 #endif // V8_TARGET_ARCH_ARM64 |
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