[WASM] Simplify SIMD shuffle opcodes.

src/wasm/wasm-opcodes.h

 // 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.
 
 #ifndef V8_WASM_OPCODES_H_
 #define V8_WASM_OPCODES_H_
 
 #include "src/globals.h"
 #include "src/machine-type.h"
 #include "src/runtime/runtime.h"
@@ skipping 391 matching lines @@
   V(I16x8Shl, 0xe543, _)                 \
   V(I16x8ShrS, 0xe544, _)                \
   V(I16x8ShrU, 0xe552, _)                \
   V(I8x16ExtractLane, 0xe558, _)         \
   V(I8x16ReplaceLane, 0xe559, _)         \
   V(I8x16Shl, 0xe562, _)                 \
   V(I8x16ShrS, 0xe563, _)                \
   V(I8x16ShrU, 0xe571, _)
 
 #define FOREACH_SIMD_MASK_OPERAND_OPCODE(V) \
-  V(S32x4Shuffle, 0xe52d, s_ss)             \
-  V(S16x8Shuffle, 0xe54c, s_ss)             \
   V(S8x16Shuffle, 0xe56b, s_ss)
 
 #define FOREACH_ATOMIC_OPCODE(V)               \
   V(I32AtomicAdd8S, 0xe601, i_ii)              \
   V(I32AtomicAdd8U, 0xe602, i_ii)              \
   V(I32AtomicAdd16S, 0xe603, i_ii)             \
   V(I32AtomicAdd16U, 0xe604, i_ii)             \
   V(I32AtomicAdd, 0xe605, i_ii)                \
   V(I32AtomicAnd8S, 0xe606, i_ii)              \
   V(I32AtomicAnd8U, 0xe607, i_ii)              \
@@ skipping 231 matching lines @@
       default:
         return "<unknown>";
     }
   }
 };
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OPCODES_H_