[WASM SIMD] Remove opcodes that are slow on some platforms.

src/compiler/mips/instruction-codes-mips.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_COMPILER_MIPS_INSTRUCTION_CODES_MIPS_H_
 #define V8_COMPILER_MIPS_INSTRUCTION_CODES_MIPS_H_
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 140 matching lines @@
   V(MipsI32x4Ne)                   \
   V(MipsI32x4Shl)                  \
   V(MipsI32x4ShrS)                 \
   V(MipsI32x4ShrU)                 \
   V(MipsI32x4MaxU)                 \
   V(MipsI32x4MinU)                 \
   V(MipsS32x4Select)               \
   V(MipsF32x4Abs)                  \
   V(MipsF32x4Neg)                  \
   V(MipsF32x4RecipApprox)          \
-  V(MipsF32x4RecipRefine)          \
   V(MipsF32x4RecipSqrtApprox)      \
-  V(MipsF32x4RecipSqrtRefine)      \
   V(MipsF32x4Add)                  \
   V(MipsF32x4Sub)                  \
   V(MipsF32x4Mul)                  \
   V(MipsF32x4Max)                  \
   V(MipsF32x4Min)                  \
   V(MipsF32x4Eq)                   \
   V(MipsF32x4Ne)                   \
   V(MipsF32x4Lt)                   \
   V(MipsF32x4Le)                   \
   V(MipsI32x4SConvertF32x4)        \
@@ skipping 16 matching lines @@
 #define TARGET_ADDRESSING_MODE_LIST(V) \
   V(MRI) /* [%r0 + K] */               \
   V(MRR) /* [%r0 + %r1] */
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MIPS_INSTRUCTION_CODES_MIPS_H_