[wasm] Int64Lowering of I64ShrU and I64ShrS on ia32.

src/compiler/wasm-compiler.cc

Index: src/compiler/wasm-compiler.cc
diff --git a/src/compiler/wasm-compiler.cc b/src/compiler/wasm-compiler.cc
index 1f3da085790fa6df896b975307c63f1a577a7f0c..8053a2a1c656dadfbbc6524b52acd8eb449109c3 100644
--- a/src/compiler/wasm-compiler.cc
+++ b/src/compiler/wasm-compiler.cc
@@ -513,7 +513,13 @@ Node* WasmGraphBuilder::Binop(wasm::WasmOpcode opcode, Node* left,
       op = m->Word64Shl();
       break;
     // kExprI64ShrU:
+    case wasm::kExprI64ShrU:
+      op = m->Word64Shr();
+      break;
     // kExprI64ShrS:
+    case wasm::kExprI64ShrS:
+      op = m->Word64Sar();
+      break;
     // kExprI64Eq:
     case wasm::kExprI64Eq:
       op = m->Word64Equal();
@@ -601,12 +607,6 @@ Node* WasmGraphBuilder::Binop(wasm::WasmOpcode opcode, Node* left,
       op = m->Uint64Mod();
       return graph()->NewNode(op, left, right,
                               trap_->ZeroCheck64(kTrapRemByZero, right));
-    case wasm::kExprI64ShrU:
-      op = m->Word64Shr();
-      break;
-    case wasm::kExprI64ShrS:
-      op = m->Word64Sar();
-      break;
     case wasm::kExprI64Ror:
       op = m->Word64Ror();
       break;