Expose SIMD.Float32x4 type to Javascript.

src/code-stubs.cc

 // Copyright 2012 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/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/cpu-profiler.h"
@@ skipping 930 matching lines @@
   SimpleListPrinter p(os);
   if (s.IsEmpty()) p.Add("None");
   if (s.Contains(ToBooleanStub::UNDEFINED)) p.Add("Undefined");
   if (s.Contains(ToBooleanStub::BOOLEAN)) p.Add("Bool");
   if (s.Contains(ToBooleanStub::NULL_TYPE)) p.Add("Null");
   if (s.Contains(ToBooleanStub::SMI)) p.Add("Smi");
   if (s.Contains(ToBooleanStub::SPEC_OBJECT)) p.Add("SpecObject");
   if (s.Contains(ToBooleanStub::STRING)) p.Add("String");
   if (s.Contains(ToBooleanStub::SYMBOL)) p.Add("Symbol");
   if (s.Contains(ToBooleanStub::HEAP_NUMBER)) p.Add("HeapNumber");
+  if (s.Contains(ToBooleanStub::SIMD_TYPE)) p.Add("SimdType");

[rossberg, 2015/07/02 13:35:43]

Nit: "Simd"

[bbudge, 2015/07/06 23:59:04]

SimdValue?

   return os << ")";
 }
 
 
 bool ToBooleanStub::Types::UpdateStatus(Handle<Object> object) {
   if (object->IsUndefined()) {
     Add(UNDEFINED);
     return false;
   } else if (object->IsBoolean()) {
     Add(BOOLEAN);
@@ skipping 12 matching lines @@
     return !object->IsUndetectableObject() &&
         String::cast(*object)->length() != 0;
   } else if (object->IsSymbol()) {
     Add(SYMBOL);
     return true;
   } else if (object->IsHeapNumber()) {
     DCHECK(!object->IsUndetectableObject());
     Add(HEAP_NUMBER);
     double value = HeapNumber::cast(*object)->value();
     return value != 0 && !std::isnan(value);
+  } else if (object->IsFloat32x4()) {
+    Add(SIMD_TYPE);
+    return true;
   } else {
     // We should never see an internal object at runtime here!
     UNREACHABLE();
     return true;
   }
 }
 
 
 bool ToBooleanStub::Types::NeedsMap() const {
-  return Contains(ToBooleanStub::SPEC_OBJECT)
-      || Contains(ToBooleanStub::STRING)
-      || Contains(ToBooleanStub::SYMBOL)
-      || Contains(ToBooleanStub::HEAP_NUMBER);
+  return Contains(ToBooleanStub::SPEC_OBJECT) ||
+         Contains(ToBooleanStub::STRING) || Contains(ToBooleanStub::SYMBOL) ||
+         Contains(ToBooleanStub::HEAP_NUMBER) ||
+         Contains(ToBooleanStub::SIMD_TYPE);
 }
 
 
 bool ToBooleanStub::Types::CanBeUndetectable() const {
   return Contains(ToBooleanStub::SPEC_OBJECT)
       || Contains(ToBooleanStub::STRING);
 }
 
 
 void StubFailureTrampolineStub::GenerateAheadOfTime(Isolate* isolate) {
@@ skipping 53 matching lines @@
 
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
 }  // namespace internal
 }  // namespace v8