[wasm] Int64Lowering of I64ShrU and I64ShrS on ia32.

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

Index: src/compiler/ppc/instruction-selector-ppc.cc
diff --git a/src/compiler/ppc/instruction-selector-ppc.cc b/src/compiler/ppc/instruction-selector-ppc.cc
index e89506262489db0fa0565240426396571f22d73a..91e50c48b6b24b60334e1bf1610ded4d03f25b4b 100644
--- a/src/compiler/ppc/instruction-selector-ppc.cc
+++ b/src/compiler/ppc/instruction-selector-ppc.cc
@@ -725,6 +725,13 @@ void InstructionSelector::VisitWord32Shr(Node* node) {
   VisitRRO(this, kPPC_ShiftRight32, node, kShift32Imm);
 }
 
+#if !V8_TARGET_ARCH_PPC64
+void InstructionSelector::VisitWord32PairShl(Node* node) { UNIMPLEMENTED(); }
+
+void InstructionSelector::VisitWord32PairShr(Node* node) { UNIMPLEMENTED(); }
+
+void InstructionSelector::VisitWord32PairSar(Node* node) { UNIMPLEMENTED(); }
+#endif
 
 #if V8_TARGET_ARCH_PPC64
 void InstructionSelector::VisitWord64Shr(Node* node) {