Revert of Remove SIMD.js from V8.

src/interface-descriptors.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_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include <memory>
 
 #include "src/assembler.h"
@@ skipping 37 matching lines @@
   V(CallConstruct)                        \
   V(CallTrampoline)                       \
   V(ConstructStub)                        \
   V(ConstructTrampoline)                  \
   V(RegExpExec)                           \
   V(RegExpReplace)                        \
   V(RegExpSplit)                          \
   V(CopyFastSmiOrObjectElements)          \
   V(TransitionElementsKind)               \
   V(AllocateHeapNumber)                   \
+  V(AllocateFloat32x4)                    \
+  V(AllocateInt32x4)                      \
+  V(AllocateUint32x4)                     \
+  V(AllocateBool32x4)                     \
+  V(AllocateInt16x8)                      \
+  V(AllocateUint16x8)                     \
+  V(AllocateBool16x8)                     \
+  V(AllocateInt8x16)                      \
+  V(AllocateUint8x16)                     \
+  V(AllocateBool8x16)                     \
   V(Builtin)                              \
   V(ArrayConstructor)                     \
   V(ForEach)                              \
   V(ArrayNoArgumentConstructor)           \
   V(ArraySingleArgumentConstructor)       \
   V(ArrayNArgumentsConstructor)           \
   V(Compare)                              \
   V(BinaryOp)                             \
   V(BinaryOpWithAllocationSite)           \
   V(BinaryOpWithVector)                   \
@@ skipping 609 matching lines @@
   DEFINE_PARAMETERS(kObject, kMap)
   DECLARE_DESCRIPTOR(TransitionElementsKindDescriptor, CallInterfaceDescriptor)
 };
 
 
 class AllocateHeapNumberDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(AllocateHeapNumberDescriptor, CallInterfaceDescriptor)
 };
 
+#define SIMD128_ALLOC_DESC(TYPE, Type, type, lane_count, lane_type)         \
+  class Allocate##Type##Descriptor : public CallInterfaceDescriptor {       \
+   public:                                                                  \
+    DECLARE_DESCRIPTOR(Allocate##Type##Descriptor, CallInterfaceDescriptor) \
+  };
+SIMD128_TYPES(SIMD128_ALLOC_DESC)
+#undef SIMD128_ALLOC_DESC
+
 class BuiltinDescriptor : public CallInterfaceDescriptor {
  public:
   // TODO(ishell): Where is kFunction??
   DEFINE_PARAMETERS(kNewTarget, kArgumentsCount)
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(BuiltinDescriptor,
                                                CallInterfaceDescriptor)
   static const Register ArgumentsCountRegister();
   static const Register NewTargetRegister();
   static const Register TargetRegister();
 };
@@ skipping 271 matching lines @@
 }  // namespace v8
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_