[simd] Introduce SIMD types (as classes)

src/types-inl.h

 // 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.
 
 #ifndef V8_TYPES_INL_H_
 #define V8_TYPES_INL_H_
 
 #include "src/types.h"
 
 #include "src/factory.h"
 #include "src/handles-inl.h"
 
 namespace v8 {
 namespace internal {
 
 // -----------------------------------------------------------------------------
 // TypeImpl
 
-template <class Config>
+template<class Config>
 typename TypeImpl<Config>::bitset TypeImpl<Config>::BitsetType::SignedSmall() {
   return i::SmiValuesAre31Bits() ? kSigned31 : kSigned32;
 }
 
 
-template <class Config>
+template<class Config>
 typename TypeImpl<Config>::bitset
 TypeImpl<Config>::BitsetType::UnsignedSmall() {
   return i::SmiValuesAre31Bits() ? kUnsigned30 : kUnsigned31;
 }
 
 
+#define CONSTRUCT_SIMD_TYPE(NAME, Name, name, lane_count, lane_type) \
+template<class Config> \
+typename TypeImpl<Config>::TypeHandle TypeImpl<Config>::Name( \
+    Isolate* isolate, Region* region) { \
+  return Class(i::handle(isolate->heap()->name##_map()), region); \
+}
+SIMD128_TYPES(CONSTRUCT_SIMD_TYPE)
+#undef CONSTRUCT_SIMD_TYPE
+
+
 template<class Config>
 TypeImpl<Config>* TypeImpl<Config>::cast(typename Config::Base* object) {
   TypeImpl* t = static_cast<TypeImpl*>(object);
   DCHECK(t->IsBitset() || t->IsClass() || t->IsConstant() || t->IsRange() ||
          t->IsUnion() || t->IsArray() || t->IsFunction() || t->IsContext());
   return t;
 }
 
 
 // Most precise _current_ type of a value (usually its class).
@@ skipping 425 matching lines @@
 void HeapTypeConfig::range_set_double(i::Handle<HeapTypeConfig::Range> range,
                                       int index, double value,
                                       Isolate* isolate) {
   DCHECK(index >= 0 && index < 2);
   i::Handle<Object> number = isolate->factory()->NewNumber(value);
   range->set(index + 2, *number);
 }
 } }  // namespace v8::internal
 
 #endif  // V8_TYPES_INL_H_