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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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621 x12, x13); | 621 x12, x13); |
622 } | 622 } |
623 | 623 |
624 // Never fall through to here. | 624 // Never fall through to here. |
625 if (FLAG_debug_code) { | 625 if (FLAG_debug_code) { |
626 __ Unreachable(); | 626 __ Unreachable(); |
627 } | 627 } |
628 | 628 |
629 __ Bind(&slow); | 629 __ Bind(&slow); |
630 | 630 |
631 __ Push(lhs, rhs); | |
632 // Figure out which native to call and setup the arguments. | |
633 if (cond == eq) { | 631 if (cond == eq) { |
634 __ TailCallRuntime(strict() ? Runtime::kStrictEquals : Runtime::kEquals); | 632 { |
| 633 FrameScope scope(masm, StackFrame::INTERNAL); |
| 634 __ Push(lhs, rhs); |
| 635 __ CallRuntime(strict() ? Runtime::kStrictEqual : Runtime::kEqual); |
| 636 } |
| 637 // Turn true into 0 and false into some non-zero value. |
| 638 STATIC_ASSERT(EQUAL == 0); |
| 639 __ LoadRoot(x1, Heap::kTrueValueRootIndex); |
| 640 __ Sub(x0, x0, x1); |
| 641 __ Ret(); |
635 } else { | 642 } else { |
| 643 __ Push(lhs, rhs); |
636 int ncr; // NaN compare result | 644 int ncr; // NaN compare result |
637 if ((cond == lt) || (cond == le)) { | 645 if ((cond == lt) || (cond == le)) { |
638 ncr = GREATER; | 646 ncr = GREATER; |
639 } else { | 647 } else { |
640 DCHECK((cond == gt) || (cond == ge)); // remaining cases | 648 DCHECK((cond == gt) || (cond == ge)); // remaining cases |
641 ncr = LESS; | 649 ncr = LESS; |
642 } | 650 } |
643 __ Mov(x10, Smi::FromInt(ncr)); | 651 __ Mov(x10, Smi::FromInt(ncr)); |
644 __ Push(x10); | 652 __ Push(x10); |
645 | 653 |
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5995 return_value_operand, NULL); | 6003 return_value_operand, NULL); |
5996 } | 6004 } |
5997 | 6005 |
5998 | 6006 |
5999 #undef __ | 6007 #undef __ |
6000 | 6008 |
6001 } // namespace internal | 6009 } // namespace internal |
6002 } // namespace v8 | 6010 } // namespace v8 |
6003 | 6011 |
6004 #endif // V8_TARGET_ARCH_ARM64 | 6012 #endif // V8_TARGET_ARCH_ARM64 |
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