[wasm] Int64Lowering of I64ShrU and I64ShrS on ia32.

src/compiler/machine-operator.cc

Index: src/compiler/machine-operator.cc
diff --git a/src/compiler/machine-operator.cc b/src/compiler/machine-operator.cc
index a2c5bc8b7c4e8248e08b1ce428581482104a2f24..cd23c3e3c01210369f226e87667e48bf6f00015a 100644
--- a/src/compiler/machine-operator.cc
+++ b/src/compiler/machine-operator.cc
@@ -196,7 +196,9 @@ MachineRepresentation StackSlotRepresentationOf(Operator const* op) {
   V(LoadStackPointer, Operator::kNoProperties, 0, 0, 1)                       \
   V(LoadFramePointer, Operator::kNoProperties, 0, 0, 1)                       \
   V(LoadParentFramePointer, Operator::kNoProperties, 0, 0, 1)                 \
-  V(Word32PairShl, Operator::kNoProperties, 3, 0, 2)
+  V(Word32PairShl, Operator::kNoProperties, 3, 0, 2)                          \
+  V(Word32PairShr, Operator::kNoProperties, 3, 0, 2)                          \
+  V(Word32PairSar, Operator::kNoProperties, 3, 0, 2)
 
 #define PURE_OPTIONAL_OP_LIST(V)                            \
   V(Word32Ctz, Operator::kNoProperties, 1, 0, 1)            \