[wasm] Add native x64 implementations for I32x4Splat, I32x4ExtractLane

src/wasm/module-decoder.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/wasm/module-decoder.h"
 
 #include "src/base/functional.h"
 #include "src/base/platform/platform.h"
 #include "src/macro-assembler.h"
 #include "src/objects.h"
@@ skipping 616 matching lines @@
       case kLocalVoid:
         return kAstStmt;
       case kLocalI32:
         return kAstI32;
       case kLocalI64:
         return kAstI64;
       case kLocalF32:
         return kAstF32;
       case kLocalF64:
         return kAstF64;
+      case kLocalS128:
+        return kAstS128;
       default:
         error(pc_ - 1, "invalid local type");
         return kAstStmt;
     }
   }
 
   // Parses a type entry, which is currently limited to functions only.
   FunctionSig* consume_sig() {
     const byte* pos = pc_;
     byte form = consume_u8("type form");
@@ skipping 164 matching lines @@
     decoder.consume_bytes(size);
   }
   if (decoder.more()) decoder.error("unexpected additional bytes");
 
   return decoder.toResult(std::move(table));
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8