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Issue 1219943002: Expose SIMD.Float32x4 type to Javascript. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Don't install SIMD object without the simd flag. Created 5 years, 5 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/bootstrapper.h" 5 #include "src/bootstrapper.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api-natives.h" 8 #include "src/api-natives.h"
9 #include "src/base/utils/random-number-generator.h" 9 #include "src/base/utils/random-number-generator.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1812 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_computed_property_names) 1812 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_computed_property_names)
1813 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_rest_parameters) 1813 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_rest_parameters)
1814 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_reflect) 1814 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_reflect)
1815 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls) 1815 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls)
1816 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_destructuring) 1816 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_destructuring)
1817 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object) 1817 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object)
1818 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spread_arrays) 1818 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spread_arrays)
1819 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sharedarraybuffer) 1819 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sharedarraybuffer)
1820 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_atomics) 1820 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_atomics)
1821 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_new_target) 1821 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_new_target)
1822 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_simd)
1822 1823
1823 1824
1824 void Genesis::InstallNativeFunctions_harmony_proxies() { 1825 void Genesis::InstallNativeFunctions_harmony_proxies() {
1825 if (FLAG_harmony_proxies) { 1826 if (FLAG_harmony_proxies) {
1826 INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap); 1827 INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap);
1827 INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap); 1828 INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap);
1828 INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap); 1829 INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap);
1829 INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate); 1830 INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate);
1830 } 1831 }
1831 } 1832 }
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1919 JSGlobalObject::cast(native_context()->global_object())); 1920 JSGlobalObject::cast(native_context()->global_object()));
1920 1921
1921 Handle<JSFunction> shared_array_buffer_fun = InstallFunction( 1922 Handle<JSFunction> shared_array_buffer_fun = InstallFunction(
1922 global, "SharedArrayBuffer", JS_ARRAY_BUFFER_TYPE, 1923 global, "SharedArrayBuffer", JS_ARRAY_BUFFER_TYPE,
1923 JSArrayBuffer::kSizeWithInternalFields, 1924 JSArrayBuffer::kSizeWithInternalFields,
1924 isolate()->initial_object_prototype(), Builtins::kIllegal); 1925 isolate()->initial_object_prototype(), Builtins::kIllegal);
1925 native_context()->set_shared_array_buffer_fun(*shared_array_buffer_fun); 1926 native_context()->set_shared_array_buffer_fun(*shared_array_buffer_fun);
1926 } 1927 }
1927 1928
1928 1929
1930 void Genesis::InitializeGlobal_harmony_simd() {
1931 Handle<JSGlobalObject> global(
1932 JSGlobalObject::cast(native_context()->global_object()));
1933 Isolate* isolate = global->GetIsolate();
1934 Factory* factory = isolate->factory();
1935
1936 Handle<String> name = factory->InternalizeUtf8String("SIMD");
1937 Handle<JSFunction> cons = factory->NewFunction(name);
1938 JSFunction::SetInstancePrototype(
1939 cons,
1940 Handle<Object>(native_context()->initial_object_prototype(), isolate));
1941 cons->SetInstanceClassName(*name);
1942 Handle<JSObject> simd_object = factory->NewJSObject(cons, TENURED);
1943 DCHECK(simd_object->IsJSObject());
1944 JSObject::AddProperty(global, name, simd_object, DONT_ENUM);
1945
1946 Handle<JSFunction> float32x4_function =
1947 InstallFunction(simd_object, "Float32x4", JS_VALUE_TYPE, JSValue::kSize,
1948 isolate->initial_object_prototype(), Builtins::kIllegal);
1949 // Set the instance class name since InstallFunction only does this when
1950 // we install on the GlobalObject.
1951 float32x4_function->SetInstanceClassName(*factory->Float32x4_string());
1952 native_context()->set_float32x4_function(*float32x4_function);
1953 }
1954
1955
1929 Handle<JSFunction> Genesis::InstallInternalArray(Handle<JSObject> target, 1956 Handle<JSFunction> Genesis::InstallInternalArray(Handle<JSObject> target,
1930 const char* name, 1957 const char* name,
1931 ElementsKind elements_kind) { 1958 ElementsKind elements_kind) {
1932 // --- I n t e r n a l A r r a y --- 1959 // --- I n t e r n a l A r r a y ---
1933 // An array constructor on the builtins object that works like 1960 // An array constructor on the builtins object that works like
1934 // the public Array constructor, except that its prototype 1961 // the public Array constructor, except that its prototype
1935 // doesn't inherit from Object.prototype. 1962 // doesn't inherit from Object.prototype.
1936 // To be used only for internal work by builtins. Instances 1963 // To be used only for internal work by builtins. Instances
1937 // must not be leaked to user code. 1964 // must not be leaked to user code.
1938 Handle<JSObject> prototype = 1965 Handle<JSObject> prototype =
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2493 "native harmony-spread.js", nullptr}; 2520 "native harmony-spread.js", nullptr};
2494 static const char* harmony_destructuring_natives[] = {nullptr}; 2521 static const char* harmony_destructuring_natives[] = {nullptr};
2495 static const char* harmony_object_natives[] = {"native harmony-object.js", 2522 static const char* harmony_object_natives[] = {"native harmony-object.js",
2496 NULL}; 2523 NULL};
2497 static const char* harmony_spread_arrays_natives[] = {nullptr}; 2524 static const char* harmony_spread_arrays_natives[] = {nullptr};
2498 static const char* harmony_sharedarraybuffer_natives[] = { 2525 static const char* harmony_sharedarraybuffer_natives[] = {
2499 "native harmony-sharedarraybuffer.js", NULL}; 2526 "native harmony-sharedarraybuffer.js", NULL};
2500 static const char* harmony_atomics_natives[] = {"native harmony-atomics.js", 2527 static const char* harmony_atomics_natives[] = {"native harmony-atomics.js",
2501 nullptr}; 2528 nullptr};
2502 static const char* harmony_new_target_natives[] = {nullptr}; 2529 static const char* harmony_new_target_natives[] = {nullptr};
2530 static const char* harmony_simd_natives[] = {"native harmony-simd.js",
2531 nullptr};
2503 2532
2504 for (int i = ExperimentalNatives::GetDebuggerCount(); 2533 for (int i = ExperimentalNatives::GetDebuggerCount();
2505 i < ExperimentalNatives::GetBuiltinsCount(); i++) { 2534 i < ExperimentalNatives::GetBuiltinsCount(); i++) {
2506 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc) \ 2535 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc) \
2507 if (FLAG_##id) { \ 2536 if (FLAG_##id) { \
2508 for (size_t j = 0; id##_natives[j] != NULL; j++) { \ 2537 for (size_t j = 0; id##_natives[j] != NULL; j++) { \
2509 Vector<const char> script_name = ExperimentalNatives::GetScriptName(i); \ 2538 Vector<const char> script_name = ExperimentalNatives::GetScriptName(i); \
2510 if (strncmp(script_name.start(), id##_natives[j], \ 2539 if (strncmp(script_name.start(), id##_natives[j], \
2511 script_name.length()) == 0) { \ 2540 script_name.length()) == 0) { \
2512 if (!CompileExperimentalBuiltin(isolate(), i)) return false; \ 2541 if (!CompileExperimentalBuiltin(isolate(), i)) return false; \
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3198 } 3227 }
3199 3228
3200 3229
3201 // Called when the top-level V8 mutex is destroyed. 3230 // Called when the top-level V8 mutex is destroyed.
3202 void Bootstrapper::FreeThreadResources() { 3231 void Bootstrapper::FreeThreadResources() {
3203 DCHECK(!IsActive()); 3232 DCHECK(!IsActive());
3204 } 3233 }
3205 3234
3206 } // namespace internal 3235 } // namespace internal
3207 } // namespace v8 3236 } // namespace v8
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