Expose SIMD.Float32x4 type to Javascript.

src/hydrogen-instructions.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/v8.h"
 
 #include "src/base/bits.h"
 #include "src/double.h"
 #include "src/elements.h"
 #include "src/factory.h"
@@ skipping 1140 matching lines @@
 std::ostream& HReturn::PrintDataTo(std::ostream& os) const {  // NOLINT
   return os << NameOf(value()) << " (pop " << NameOf(parameter_count())
             << " values)";
 }
 
 
 Representation HBranch::observed_input_representation(int index) {
   if (expected_input_types_.Contains(ToBooleanStub::NULL_TYPE) ||
       expected_input_types_.Contains(ToBooleanStub::SPEC_OBJECT) ||
       expected_input_types_.Contains(ToBooleanStub::STRING) ||
-      expected_input_types_.Contains(ToBooleanStub::SYMBOL)) {
+      expected_input_types_.Contains(ToBooleanStub::SYMBOL) ||
+      expected_input_types_.Contains(ToBooleanStub::SIMD_VALUE)) {
     return Representation::Tagged();
   }
   if (expected_input_types_.Contains(ToBooleanStub::UNDEFINED)) {
     if (expected_input_types_.Contains(ToBooleanStub::HEAP_NUMBER)) {
       return Representation::Double();
     }
     return Representation::Tagged();
   }
   if (expected_input_types_.Contains(ToBooleanStub::HEAP_NUMBER)) {
     return Representation::Double();
@@ skipping 144 matching lines @@
         return heap->boolean_string();
       }
       if (unique.IsKnownGlobal(heap->null_value())) {
         return heap->object_string();
       }
       DCHECK(unique.IsKnownGlobal(heap->undefined_value()));
       return heap->undefined_string();
     }
     case SYMBOL_TYPE:
       return heap->symbol_string();
+    case FLOAT32X4_TYPE:
+      return heap->float32x4_string();
     case JS_FUNCTION_TYPE:
     case JS_FUNCTION_PROXY_TYPE:
       return heap->function_string();
     default:
       return heap->object_string();
   }
 }
 
 
 bool HTypeofIsAndBranch::KnownSuccessorBlock(HBasicBlock** block) {
@@ skipping 3372 matching lines @@
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 }  // namespace internal
 }  // namespace v8