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Issue 1843933002: [stubs] Migrate ToLengthStub to TurboFan. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@MathCeil
Patch Set: REBASE Created 4 years, 8 months ago
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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 #if V8_TARGET_ARCH_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
6 6
7 #include "src/code-stubs.h" 7 #include "src/code-stubs.h"
8 #include "src/api-arguments.h" 8 #include "src/api-arguments.h"
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
(...skipping 2817 matching lines...) Expand 10 before | Expand all | Expand 10 after
2828 __ And(at, a2, Operand(String::kContainsCachedArrayIndexMask)); 2828 __ And(at, a2, Operand(String::kContainsCachedArrayIndexMask));
2829 __ Branch(&runtime, ne, at, Operand(zero_reg)); 2829 __ Branch(&runtime, ne, at, Operand(zero_reg));
2830 __ IndexFromHash(a2, v0); 2830 __ IndexFromHash(a2, v0);
2831 __ Ret(); 2831 __ Ret();
2832 2832
2833 __ bind(&runtime); 2833 __ bind(&runtime);
2834 __ Push(a0); // Push argument. 2834 __ Push(a0); // Push argument.
2835 __ TailCallRuntime(Runtime::kStringToNumber); 2835 __ TailCallRuntime(Runtime::kStringToNumber);
2836 } 2836 }
2837 2837
2838 void ToLengthStub::Generate(MacroAssembler* masm) {
2839 // The ToLength stub takes on argument in a0.
2840 Label not_smi, positive_smi;
2841 __ JumpIfNotSmi(a0, &not_smi);
2842 STATIC_ASSERT(kSmiTag == 0);
2843 __ Branch(&positive_smi, ge, a0, Operand(zero_reg));
2844 __ mov(a0, zero_reg);
2845 __ bind(&positive_smi);
2846 __ Ret(USE_DELAY_SLOT);
2847 __ mov(v0, a0);
2848 __ bind(&not_smi);
2849
2850 __ push(a0); // Push argument.
2851 __ TailCallRuntime(Runtime::kToLength);
2852 }
2853
2854
2855 void ToStringStub::Generate(MacroAssembler* masm) { 2838 void ToStringStub::Generate(MacroAssembler* masm) {
2856 // The ToString stub takes on argument in a0. 2839 // The ToString stub takes on argument in a0.
2857 Label is_number; 2840 Label is_number;
2858 __ JumpIfSmi(a0, &is_number); 2841 __ JumpIfSmi(a0, &is_number);
2859 2842
2860 Label not_string; 2843 Label not_string;
2861 __ GetObjectType(a0, a1, a1); 2844 __ GetObjectType(a0, a1, a1);
2862 // a0: receiver 2845 // a0: receiver
2863 // a1: receiver instance type 2846 // a1: receiver instance type
2864 __ Branch(&not_string, ge, a1, Operand(FIRST_NONSTRING_TYPE)); 2847 __ Branch(&not_string, ge, a1, Operand(FIRST_NONSTRING_TYPE));
(...skipping 2907 matching lines...) Expand 10 before | Expand all | Expand 10 after
5772 return_value_operand, NULL); 5755 return_value_operand, NULL);
5773 } 5756 }
5774 5757
5775 5758
5776 #undef __ 5759 #undef __
5777 5760
5778 } // namespace internal 5761 } // namespace internal
5779 } // namespace v8 5762 } // namespace v8
5780 5763
5781 #endif // V8_TARGET_ARCH_MIPS64 5764 #endif // V8_TARGET_ARCH_MIPS64
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