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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 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 #include "src/code-stubs.h" 5 #include "src/code-stubs.h"
6 6
7 #include <sstream> 7 #include <sstream>
8 8
9 #include "src/arguments.h" 9 #include "src/arguments.h"
10 #include "src/ast/ast.h" 10 #include "src/ast/ast.h"
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481 481
482 void AllocateHeapNumberStub::GenerateAssembly( 482 void AllocateHeapNumberStub::GenerateAssembly(
483 compiler::CodeAssemblerState* state) const { 483 compiler::CodeAssemblerState* state) const {
484 typedef compiler::Node Node; 484 typedef compiler::Node Node;
485 CodeStubAssembler assembler(state); 485 CodeStubAssembler assembler(state);
486 486
487 Node* result = assembler.AllocateHeapNumber(); 487 Node* result = assembler.AllocateHeapNumber();
488 assembler.Return(result); 488 assembler.Return(result);
489 } 489 }
490 490
491 #define SIMD128_GEN_ASM(TYPE, Type, type, lane_count, lane_type) \
492 void Allocate##Type##Stub::GenerateAssembly( \
493 compiler::CodeAssemblerState* state) const { \
494 CodeStubAssembler assembler(state); \
495 compiler::Node* result = \
496 assembler.Allocate(Simd128Value::kSize, CodeStubAssembler::kNone); \
497 compiler::Node* map = assembler.LoadMap(result); \
498 assembler.StoreNoWriteBarrier( \
499 MachineRepresentation::kTagged, map, \
500 assembler.HeapConstant(isolate()->factory()->type##_map())); \
501 assembler.Return(result); \
502 }
503 SIMD128_TYPES(SIMD128_GEN_ASM)
504 #undef SIMD128_GEN_ASM
505
506 void StringLengthStub::GenerateAssembly( 491 void StringLengthStub::GenerateAssembly(
507 compiler::CodeAssemblerState* state) const { 492 compiler::CodeAssemblerState* state) const {
508 CodeStubAssembler assembler(state); 493 CodeStubAssembler assembler(state);
509 compiler::Node* value = assembler.Parameter(0); 494 compiler::Node* value = assembler.Parameter(0);
510 compiler::Node* string = assembler.LoadJSValueValue(value); 495 compiler::Node* string = assembler.LoadJSValueValue(value);
511 compiler::Node* result = assembler.LoadStringLength(string); 496 compiler::Node* result = assembler.LoadStringLength(string);
512 assembler.Return(result); 497 assembler.Return(result);
513 } 498 }
514 499
515 #define BINARY_OP_STUB(Name) \ 500 #define BINARY_OP_STUB(Name) \
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1953 } 1938 }
1954 1939
1955 1940
1956 void AllocateHeapNumberStub::InitializeDescriptor( 1941 void AllocateHeapNumberStub::InitializeDescriptor(
1957 CodeStubDescriptor* descriptor) { 1942 CodeStubDescriptor* descriptor) {
1958 descriptor->Initialize( 1943 descriptor->Initialize(
1959 Runtime::FunctionForId(Runtime::kAllocateHeapNumber)->entry); 1944 Runtime::FunctionForId(Runtime::kAllocateHeapNumber)->entry);
1960 } 1945 }
1961 1946
1962 1947
1963 #define SIMD128_INIT_DESC(TYPE, Type, type, lane_count, lane_type) \
1964 void Allocate##Type##Stub::InitializeDescriptor( \
1965 CodeStubDescriptor* descriptor) { \
1966 descriptor->Initialize( \
1967 Runtime::FunctionForId(Runtime::kCreate##Type)->entry); \
1968 }
1969 SIMD128_TYPES(SIMD128_INIT_DESC)
1970 #undef SIMD128_INIT_DESC
1971
1972 void ToBooleanICStub::InitializeDescriptor(CodeStubDescriptor* descriptor) { 1948 void ToBooleanICStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
1973 descriptor->Initialize(FUNCTION_ADDR(Runtime_ToBooleanIC_Miss)); 1949 descriptor->Initialize(FUNCTION_ADDR(Runtime_ToBooleanIC_Miss));
1974 descriptor->SetMissHandler(Runtime::kToBooleanIC_Miss); 1950 descriptor->SetMissHandler(Runtime::kToBooleanIC_Miss);
1975 } 1951 }
1976 1952
1977 1953
1978 void BinaryOpICStub::InitializeDescriptor(CodeStubDescriptor* descriptor) { 1954 void BinaryOpICStub::InitializeDescriptor(CodeStubDescriptor* descriptor) {
1979 descriptor->Initialize(FUNCTION_ADDR(Runtime_BinaryOpIC_Miss)); 1955 descriptor->Initialize(FUNCTION_ADDR(Runtime_BinaryOpIC_Miss));
1980 descriptor->SetMissHandler(Runtime::kBinaryOpIC_Miss); 1956 descriptor->SetMissHandler(Runtime::kBinaryOpIC_Miss);
1981 } 1957 }
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2147 new_hints |= ToBooleanHint::kString; 2123 new_hints |= ToBooleanHint::kString;
2148 to_boolean_value = String::cast(*object)->length() != 0; 2124 to_boolean_value = String::cast(*object)->length() != 0;
2149 } else if (object->IsSymbol()) { 2125 } else if (object->IsSymbol()) {
2150 new_hints |= ToBooleanHint::kSymbol; 2126 new_hints |= ToBooleanHint::kSymbol;
2151 to_boolean_value = true; 2127 to_boolean_value = true;
2152 } else if (object->IsHeapNumber()) { 2128 } else if (object->IsHeapNumber()) {
2153 DCHECK(!object->IsUndetectable()); 2129 DCHECK(!object->IsUndetectable());
2154 new_hints |= ToBooleanHint::kHeapNumber; 2130 new_hints |= ToBooleanHint::kHeapNumber;
2155 double value = HeapNumber::cast(*object)->value(); 2131 double value = HeapNumber::cast(*object)->value();
2156 to_boolean_value = value != 0 && !std::isnan(value); 2132 to_boolean_value = value != 0 && !std::isnan(value);
2157 } else if (object->IsSimd128Value()) {
2158 new_hints |= ToBooleanHint::kSimdValue;
2159 to_boolean_value = true;
2160 } else { 2133 } else {
2161 // We should never see an internal object at runtime here! 2134 // We should never see an internal object at runtime here!
2162 UNREACHABLE(); 2135 UNREACHABLE();
2163 to_boolean_value = true; 2136 to_boolean_value = true;
2164 } 2137 }
2165 TraceTransition(old_hints, new_hints); 2138 TraceTransition(old_hints, new_hints);
2166 set_sub_minor_key(HintsBits::update(sub_minor_key(), new_hints)); 2139 set_sub_minor_key(HintsBits::update(sub_minor_key(), new_hints));
2167 return to_boolean_value; 2140 return to_boolean_value;
2168 } 2141 }
2169 2142
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2366 } 2339 }
2367 2340
2368 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate) 2341 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
2369 : PlatformCodeStub(isolate) {} 2342 : PlatformCodeStub(isolate) {}
2370 2343
2371 InternalArrayConstructorStub::InternalArrayConstructorStub(Isolate* isolate) 2344 InternalArrayConstructorStub::InternalArrayConstructorStub(Isolate* isolate)
2372 : PlatformCodeStub(isolate) {} 2345 : PlatformCodeStub(isolate) {}
2373 2346
2374 } // namespace internal 2347 } // namespace internal
2375 } // namespace v8 2348 } // namespace v8
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