[Turbofan] Add native ARM support for basic SIMD 32x4 operations.

src/arm/assembler-arm-inl.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 30 matching lines @@
 
 #include "src/assembler.h"
 #include "src/debug/debug.h"
 
 
 namespace v8 {
 namespace internal {
 
 bool CpuFeatures::SupportsCrankshaft() { return true; }
 
-bool CpuFeatures::SupportsSimd128() { return false; }
+bool CpuFeatures::SupportsSimd128() { return true; }
 
 int DoubleRegister::NumRegisters() {
   return CpuFeatures::IsSupported(VFP32DREGS) ? 32 : 16;
 }
 
 
 void RelocInfo::apply(intptr_t delta) {
   if (RelocInfo::IsInternalReference(rmode_)) {
     // absolute code pointer inside code object moves with the code object.
     int32_t* p = reinterpret_cast<int32_t*>(pc_);
@@ skipping 526 matching lines @@
       Assembler::FlushICache(isolate, pc, 4 * kInstrSize);
     }
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM_ASSEMBLER_ARM_INL_H_