[WASM] Simplify SIMD shuffle opcodes.

src/compiler/arm/instruction-scheduler-arm.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/compiler/instruction-scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 212 matching lines @@
     case kArmS32x4UnzipRight:
     case kArmS32x4TransposeLeft:
     case kArmS32x4TransposeRight:
     case kArmS32x4Shuffle:
     case kArmS16x8ZipLeft:
     case kArmS16x8ZipRight:
     case kArmS16x8UnzipLeft:
     case kArmS16x8UnzipRight:
     case kArmS16x8TransposeLeft:
     case kArmS16x8TransposeRight:
-    case kArmS16x8Shuffle:
     case kArmS8x16ZipLeft:
     case kArmS8x16ZipRight:
     case kArmS8x16UnzipLeft:
     case kArmS8x16UnzipRight:
     case kArmS8x16TransposeLeft:
     case kArmS8x16TransposeRight:
     case kArmS8x16Concat:
     case kArmS8x16Shuffle:
     case kArmS32x2Reverse:
     case kArmS16x4Reverse:
@@ skipping 43 matching lines @@
 
 
 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) {
   // TODO(all): Add instruction cost modeling.
   return 1;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8