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Issue 2684313003: Remove SIMD.js from V8. (Closed)
Patch Set: Rebase. Created 3 years, 10 months ago
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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_X64 5 #if V8_TARGET_ARCH_X64
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"
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859 __ j(equal, &heap_number, Label::kNear); 859 __ j(equal, &heap_number, Label::kNear);
860 if (cc != equal) { 860 if (cc != equal) {
861 __ movp(rcx, FieldOperand(rax, HeapObject::kMapOffset)); 861 __ movp(rcx, FieldOperand(rax, HeapObject::kMapOffset));
862 __ movzxbl(rcx, FieldOperand(rcx, Map::kInstanceTypeOffset)); 862 __ movzxbl(rcx, FieldOperand(rcx, Map::kInstanceTypeOffset));
863 // Call runtime on identical objects. Otherwise return equal. 863 // Call runtime on identical objects. Otherwise return equal.
864 __ cmpb(rcx, Immediate(static_cast<uint8_t>(FIRST_JS_RECEIVER_TYPE))); 864 __ cmpb(rcx, Immediate(static_cast<uint8_t>(FIRST_JS_RECEIVER_TYPE)));
865 __ j(above_equal, &runtime_call, Label::kFar); 865 __ j(above_equal, &runtime_call, Label::kFar);
866 // Call runtime on identical symbols since we need to throw a TypeError. 866 // Call runtime on identical symbols since we need to throw a TypeError.
867 __ cmpb(rcx, Immediate(static_cast<uint8_t>(SYMBOL_TYPE))); 867 __ cmpb(rcx, Immediate(static_cast<uint8_t>(SYMBOL_TYPE)));
868 __ j(equal, &runtime_call, Label::kFar); 868 __ j(equal, &runtime_call, Label::kFar);
869 // Call runtime on identical SIMD values since we must throw a TypeError.
870 __ cmpb(rcx, Immediate(static_cast<uint8_t>(SIMD128_VALUE_TYPE)));
871 __ j(equal, &runtime_call, Label::kFar);
872 } 869 }
873 __ Set(rax, EQUAL); 870 __ Set(rax, EQUAL);
874 __ ret(0); 871 __ ret(0);
875 872
876 __ bind(&heap_number); 873 __ bind(&heap_number);
877 // It is a heap number, so return equal if it's not NaN. 874 // It is a heap number, so return equal if it's not NaN.
878 // For NaN, return 1 for every condition except greater and 875 // For NaN, return 1 for every condition except greater and
879 // greater-equal. Return -1 for them, so the comparison yields 876 // greater-equal. Return -1 for them, so the comparison yields
880 // false for all conditions except not-equal. 877 // false for all conditions except not-equal.
881 __ Set(rax, EQUAL); 878 __ Set(rax, EQUAL);
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3317 kStackUnwindSpace, nullptr, return_value_operand, 3314 kStackUnwindSpace, nullptr, return_value_operand,
3318 NULL); 3315 NULL);
3319 } 3316 }
3320 3317
3321 #undef __ 3318 #undef __
3322 3319
3323 } // namespace internal 3320 } // namespace internal
3324 } // namespace v8 3321 } // namespace v8
3325 3322
3326 #endif // V8_TARGET_ARCH_X64 3323 #endif // V8_TARGET_ARCH_X64
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