Expose SIMD.Float32x4 type to Javascript.

src/types.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 <iomanip>
 
 #include "src/types.h"
 
 #include "src/ostreams.h"
 #include "src/types-inl.h"
@@ skipping 210 matching lines @@
       if (map == heap->boolean_map()) return kBoolean;
       DCHECK(map == heap->the_hole_map() ||
              map == heap->uninitialized_map() ||
              map == heap->no_interceptor_result_sentinel_map() ||
              map == heap->termination_exception_map() ||
              map == heap->arguments_marker_map());
       return kInternal & kTaggedPointer;
     }
     case HEAP_NUMBER_TYPE:
       return kNumber & kTaggedPointer;
+    // TODO(bbudge): Add type bits for SIMD value types.

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

Nit: move down comment by one line

[bbudge, 2015/07/06 23:59:05]

Done.

+    case FLOAT32X4_TYPE:
+      return kAny;
     case JS_VALUE_TYPE:
     case JS_DATE_TYPE:
     case JS_OBJECT_TYPE:
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
     case JS_GENERATOR_OBJECT_TYPE:
     case JS_MODULE_TYPE:
     case JS_BUILTINS_OBJECT_TYPE:
     case JS_GLOBAL_OBJECT_TYPE:
     case JS_GLOBAL_PROXY_TYPE:
     case JS_ARRAY_BUFFER_TYPE:
@@ skipping 45 matching lines @@
 
 
 template<class Config>
 typename TypeImpl<Config>::bitset
 TypeImpl<Config>::BitsetType::Lub(i::Object* value) {
   DisallowHeapAllocation no_allocation;
   if (value->IsNumber()) {
     return Lub(value->Number()) &
         (value->IsSmi() ? kTaggedSigned : kTaggedPointer);
   }
+  if (value->IsFloat32x4()) return kAny;

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

This shouldn't be needed, since it's covered by the call to Lub(Map*).

[bbudge, 2015/07/06 23:59:05]

Done.

   return Lub(i::HeapObject::cast(value)->map());
 }
 
 
 template<class Config>
 typename TypeImpl<Config>::bitset
 TypeImpl<Config>::BitsetType::Lub(double value) {
   DisallowHeapAllocation no_allocation;
   if (i::IsMinusZero(value)) return kMinusZero;
   if (std::isnan(value)) return kNaN;
@@ skipping 1055 matching lines @@
 
 template TypeImpl<ZoneTypeConfig>::TypeHandle
   TypeImpl<ZoneTypeConfig>::Convert<HeapType>(
     TypeImpl<HeapTypeConfig>::TypeHandle, TypeImpl<ZoneTypeConfig>::Region*);
 template TypeImpl<HeapTypeConfig>::TypeHandle
   TypeImpl<HeapTypeConfig>::Convert<Type>(
     TypeImpl<ZoneTypeConfig>::TypeHandle, TypeImpl<HeapTypeConfig>::Region*);
 
 }  // namespace internal
 }  // namespace v8