[WASM] Eliminate SIMD boolean vector types.

src/compiler/machine-operator.h

 // Copyright 2013 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_MACHINE_OPERATOR_H_
 #define V8_COMPILER_MACHINE_OPERATOR_H_
 
 #include "src/base/compiler-specific.h"
 #include "src/base/flags.h"
 #include "src/globals.h"
@@ skipping 557 matching lines @@
   const Operator* I8x16GeU();
 
   const Operator* S128Load();
   const Operator* S128Store();
 
   const Operator* S128Zero();
   const Operator* S128And();
   const Operator* S128Or();
   const Operator* S128Xor();
   const Operator* S128Not();
+  const Operator* S128Select();
 
   const Operator* S32x4Shuffle(uint8_t shuffle[16]);
-  const Operator* S32x4Select();
   const Operator* S16x8Shuffle(uint8_t shuffle[16]);
-  const Operator* S16x8Select();
   const Operator* S8x16Shuffle(uint8_t shuffle[16]);
-  const Operator* S8x16Select();
 
-  const Operator* S1x4Zero();
-  const Operator* S1x4And();
-  const Operator* S1x4Or();
-  const Operator* S1x4Xor();
-  const Operator* S1x4Not();
   const Operator* S1x4AnyTrue();
   const Operator* S1x4AllTrue();
-
-  const Operator* S1x8Zero();
-  const Operator* S1x8And();
-  const Operator* S1x8Or();
-  const Operator* S1x8Xor();
-  const Operator* S1x8Not();
   const Operator* S1x8AnyTrue();
   const Operator* S1x8AllTrue();
-
-  const Operator* S1x16Zero();
-  const Operator* S1x16And();
-  const Operator* S1x16Or();
-  const Operator* S1x16Xor();
-  const Operator* S1x16Not();
   const Operator* S1x16AnyTrue();
   const Operator* S1x16AllTrue();
 
   // load [base + index]
   const Operator* Load(LoadRepresentation rep);
   const Operator* ProtectedLoad(LoadRepresentation rep);
 
   // store [base + index], value
   const Operator* Store(StoreRepresentation rep);
   const Operator* ProtectedStore(MachineRepresentation rep);
@@ skipping 94 matching lines @@
 };
 
 
 DEFINE_OPERATORS_FOR_FLAGS(MachineOperatorBuilder::Flags)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MACHINE_OPERATOR_H_