[simd.js] Single SIMD128_VALUE_TYPE for all Simd128Values.

src/runtime/runtime-simd.cc

 // Copyright 2015 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/v8.h"
 
 #include "src/arguments.h"
 #include "src/base/macros.h"
 #include "src/conversions.h"
 #include "src/runtime/runtime-utils.h"
@@ skipping 137 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_SimdEquals) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Simd128Value, a, 0);
   bool result = false;
   // args[1] is of unknown type.
   if (args[1]->IsSimd128Value()) {
     Simd128Value* b = Simd128Value::cast(args[1]);
-    if (a->map()->instance_type() == b->map()->instance_type()) {
+    if (a->map() == b->map()) {
       if (a->IsFloat32x4()) {
         result = Equals(Float32x4::cast(*a), Float32x4::cast(b));
       } else {
         result = a->BitwiseEquals(b);
       }
     }
   }
   return Smi::FromInt(result ? EQUAL : NOT_EQUAL);
 }
 
 
 RUNTIME_FUNCTION(Runtime_SimdSameValue) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Simd128Value, a, 0);
   bool result = false;
   // args[1] is of unknown type.
   if (args[1]->IsSimd128Value()) {
     Simd128Value* b = Simd128Value::cast(args[1]);
-    if (a->map()->instance_type() == b->map()->instance_type()) {
+    if (a->map() == b->map()) {
       if (a->IsFloat32x4()) {
         result = Float32x4::cast(*a)->SameValue(Float32x4::cast(b));
       } else {
         result = a->BitwiseEquals(b);
       }
     }
   }
   return isolate->heap()->ToBoolean(result);
 }
 
 
 RUNTIME_FUNCTION(Runtime_SimdSameValueZero) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Simd128Value, a, 0);
   bool result = false;
   // args[1] is of unknown type.
   if (args[1]->IsSimd128Value()) {
     Simd128Value* b = Simd128Value::cast(args[1]);
-    if (a->map()->instance_type() == b->map()->instance_type()) {
+    if (a->map() == b->map()) {
       if (a->IsFloat32x4()) {
         result = Float32x4::cast(*a)->SameValueZero(Float32x4::cast(b));
       } else {
         result = a->BitwiseEquals(b);
       }
     }
   }
   return isolate->heap()->ToBoolean(result);
 }
 
@@ skipping 621 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_Int8x16UnsignedExtractLane) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Int8x16, a, 0);
   CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, 16);
   return *isolate->factory()->NewNumber(bit_cast<uint8_t>(a->get_lane(lane)));
 }
 }  // namespace internal
 }  // namespace v8