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 1296 matching lines @@
     native_context()->set_iterator_result_map(*iterator_result_map);
   }
 
   // -- W e a k M a p
   InstallFunction(global, "WeakMap", JS_WEAK_MAP_TYPE, JSWeakMap::kSize,
                   isolate->initial_object_prototype(), Builtins::kIllegal);
   // -- W e a k S e t
   InstallFunction(global, "WeakSet", JS_WEAK_SET_TYPE, JSWeakSet::kSize,
                   isolate->initial_object_prototype(), Builtins::kIllegal);
 
+  {

[Dan Ehrenberg, 2015/07/09 00:23:17]

Looks like this code runs regardless of --harmony_simd

[bbudge, 2015/07/09 01:11:32]

Fixed.

+    // -- S I M D
+    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);
+  }
+
   {  // --- sloppy arguments map
     // Make sure we can recognize argument objects at runtime.
     // This is done by introducing an anonymous function with
     // class_name equals 'Arguments'.
     Handle<String> arguments_string = factory->Arguments_string();
     Handle<Code> code(isolate->builtins()->builtin(Builtins::kIllegal));
     Handle<JSFunction> function = factory->NewFunctionWithoutPrototype(
         arguments_string, code);
     function->shared()->set_instance_class_name(*arguments_string);
 
@@ skipping 485 matching lines @@
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_computed_property_names)
 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_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 11 matching lines @@
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_unicode)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_computed_property_names)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_rest_parameters)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_spreadcalls)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_destructuring)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_object)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_spread_arrays)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_atomics)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_new_target)
+EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_simd)
 
 void Genesis::InitializeGlobal_harmony_regexps() {
   Handle<JSObject> builtins(native_context()->builtins());
 
   Handle<HeapObject> flag(FLAG_harmony_regexps ? heap()->true_value()
                                                : heap()->false_value());
   Runtime::SetObjectProperty(isolate(), builtins,
                              factory()->harmony_regexps_string(), flag,
                              STRICT).Assert();
 }
@@ skipping 630 matching lines @@
       "native harmony-spread.js", nullptr};
   static const char* harmony_destructuring_natives[] = {nullptr};
   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_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 (!CompileExperimentalBuiltin(isolate(), i)) return false;          \
@@ skipping 685 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8