[wasm] Int64Lowering of I64ShrU and I64ShrS on ia32.

src/compiler/arm/instruction-selector-arm.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 770 matching lines @@
                                  g.UseRegister(node->InputAt(1)),
                                  shift_operand};
 
   InstructionOperand outputs[] = {
       g.DefineSameAsFirst(node),
       g.DefineAsRegister(NodeProperties::FindProjection(node, 1))};
 
   Emit(kArmPairLsl, 2, outputs, 3, inputs);
 }
 
+void InstructionSelector::VisitWord32PairShr(Node* node) { UNIMPLEMENTED(); }
+
+void InstructionSelector::VisitWord32PairSar(Node* node) { UNIMPLEMENTED(); }
+
 void InstructionSelector::VisitWord32Ror(Node* node) {
   VisitShift(this, node, TryMatchROR);
 }
 
 
 void InstructionSelector::VisitWord32Clz(Node* node) {
   VisitRR(this, kArmClz, node);
 }
 
 
@@ skipping 930 matching lines @@
              MachineOperatorBuilder::kFloat64RoundTiesAway |
              MachineOperatorBuilder::kFloat32RoundTiesEven |
              MachineOperatorBuilder::kFloat64RoundTiesEven;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8