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

src/compiler/mips64/instruction-selector-mips64.cc

 // 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.
 
 #include "src/base/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 2780 matching lines @@
 }
 
 void InstructionSelector::VisitF32x4Neg(Node* node) {
   VisitRR(this, kMips64F32x4Neg, node);
 }
 
 void InstructionSelector::VisitF32x4RecipApprox(Node* node) {
   VisitRR(this, kMips64F32x4RecipApprox, node);
 }
 
-void InstructionSelector::VisitF32x4RecipRefine(Node* node) {
-  VisitRRR(this, kMips64F32x4RecipRefine, node);
-}
-
 void InstructionSelector::VisitF32x4RecipSqrtApprox(Node* node) {
   VisitRR(this, kMips64F32x4RecipSqrtApprox, node);
 }
 
-void InstructionSelector::VisitF32x4RecipSqrtRefine(Node* node) {
-  VisitRRR(this, kMips64F32x4RecipSqrtRefine, node);
-}
-
 void InstructionSelector::VisitF32x4Add(Node* node) {
   VisitRRR(this, kMips64F32x4Add, node);
 }
 
 void InstructionSelector::VisitF32x4Sub(Node* node) {
   VisitRRR(this, kMips64F32x4Sub, node);
 }
 
 void InstructionSelector::VisitF32x4Mul(Node* node) {
   VisitRRR(this, kMips64F32x4Mul, node);
@@ skipping 63 matching lines @@
   } else {
     DCHECK(kArchVariant == kMips64r2);
     return MachineOperatorBuilder::AlignmentRequirements::
         NoUnalignedAccessSupport();
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8