Expose SIMD.Float32x4 type to Javascript.

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/code-stubs.h"
@@ skipping 1859 matching lines @@
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_rest_parameters)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_reflect)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_destructuring)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spread_arrays)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sharedarraybuffer)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_atomics)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_new_target)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_concat_spreadable)
+EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_simd)
 
 
 void Genesis::InstallNativeFunctions_harmony_proxies() {
   if (FLAG_harmony_proxies) {
     INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap);
     INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap);
     INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap);
     INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate);
   }
 }
@@ skipping 88 matching lines @@
       JSGlobalObject::cast(native_context()->global_object()));
 
   Handle<JSFunction> shared_array_buffer_fun = InstallFunction(
       global, "SharedArrayBuffer", JS_ARRAY_BUFFER_TYPE,
       JSArrayBuffer::kSizeWithInternalFields,
       isolate()->initial_object_prototype(), Builtins::kIllegal);
   native_context()->set_shared_array_buffer_fun(*shared_array_buffer_fun);
 }
 
 
+void Genesis::InitializeGlobal_harmony_simd() {
+  Handle<JSGlobalObject> global(
+      JSGlobalObject::cast(native_context()->global_object()));
+  Isolate* isolate = global->GetIsolate();
+  Factory* factory = isolate->factory();
+
+  Handle<String> name = factory->InternalizeUtf8String("SIMD");
+  Handle<JSFunction> cons = factory->NewFunction(name);
+  JSFunction::SetInstancePrototype(
+      cons,
+      Handle<Object>(native_context()->initial_object_prototype(), isolate));
+  cons->SetInstanceClassName(*name);
+  Handle<JSObject> simd_object = factory->NewJSObject(cons, TENURED);
+  DCHECK(simd_object->IsJSObject());
+  JSObject::AddProperty(global, name, simd_object, DONT_ENUM);
+
+  Handle<JSFunction> float32x4_function =
+      InstallFunction(simd_object, "Float32x4", JS_VALUE_TYPE, JSValue::kSize,
+                      isolate->initial_object_prototype(), Builtins::kIllegal);
+  // Set the instance class name since InstallFunction only does this when
+  // we install on the GlobalObject.
+  float32x4_function->SetInstanceClassName(*factory->Float32x4_string());
+  native_context()->set_float32x4_function(*float32x4_function);
+}
+
+
 Handle<JSFunction> Genesis::InstallInternalArray(Handle<JSObject> target,
                                                  const char* name,
                                                  ElementsKind elements_kind) {
   // --- I n t e r n a l   A r r a y ---
   // An array constructor on the builtins object that works like
   // the public Array constructor, except that its prototype
   // doesn't inherit from Object.prototype.
   // To be used only for internal work by builtins. Instances
   // must not be leaked to user code.
   Handle<JSObject> prototype =
@@ skipping 564 matching lines @@
   static const char* harmony_object_natives[] = {"native harmony-object.js",
                                                  NULL};
   static const char* harmony_spread_arrays_natives[] = {nullptr};
   static const char* harmony_sharedarraybuffer_natives[] = {
       "native harmony-sharedarraybuffer.js", NULL};
   static const char* harmony_atomics_natives[] = {"native harmony-atomics.js",
                                                   nullptr};
   static const char* harmony_new_target_natives[] = {nullptr};
   static const char* harmony_concat_spreadable_natives[] = {
       "native harmony-concat-spreadable.js", nullptr};
+  static const char* harmony_simd_natives[] = {"native harmony-simd.js",
+                                               nullptr};
 
   for (int i = ExperimentalNatives::GetDebuggerCount();
        i < ExperimentalNatives::GetBuiltinsCount(); i++) {
 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc)                                \
   if (FLAG_##id) {                                                            \
     for (size_t j = 0; id##_natives[j] != NULL; j++) {                        \
       Vector<const char> script_name = ExperimentalNatives::GetScriptName(i); \
       if (strncmp(script_name.start(), id##_natives[j],                       \
                   script_name.length()) == 0) {                               \
         if (!Bootstrapper::CompileExperimentalBuiltin(isolate(), i)) {        \
@@ skipping 703 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8