diff --git a/src/cc/backend/codegen_expr.c b/src/cc/backend/codegen_expr.c
index 4b58aea32..6f9c0e573 100644
--- a/src/cc/backend/codegen_expr.c
+++ b/src/cc/backend/codegen_expr.c
@@ -295,10 +295,10 @@ static VReg *gen_ternary(Expr *expr) {
   BB *nbb = new_bb();
   VReg *result = NULL;
   if (expr->type->kind != TY_VOID) {
-    if (is_number(expr->type) || ptr_or_array(expr->type))
-      result = add_new_reg(expr->type, 0);
-    else
-      result = add_new_reg(ptrof(expr->type), 0);
+    Type *type = expr->type;
+    if (!is_number(type) && !ptr_or_array(type))
+      type = ptrof(type);
+    result = add_new_reg(type, 0);
   }
 
   gen_cond_jmp(expr->ternary.cond, false, fbb);
diff --git a/src/cc/backend/ir.c b/src/cc/backend/ir.c
index 87aeefe7d..1d8670538 100644
--- a/src/cc/backend/ir.c
+++ b/src/cc/backend/ir.c
@@ -105,12 +105,9 @@ VReg *new_ir_bop(enum IrKind kind, VReg *opr1, VReg *opr2, const VRegType *vtype
         break;
       case IR_BITAND:
         if (opr1->fixnum == 0)
-          return opr1;
+          return opr1;  // 0
         break;
       case IR_BITOR:
-        if (opr1->fixnum == 0)
-          return opr2;
-        break;
       case IR_BITXOR:
         if (opr1->fixnum == 0)
           return opr2;
@@ -118,7 +115,7 @@ VReg *new_ir_bop(enum IrKind kind, VReg *opr1, VReg *opr2, const VRegType *vtype
       case IR_LSHIFT:
       case IR_RSHIFT:
         if (opr1->fixnum == 0)
-          return opr1;
+          return opr1;  // 0
         break;
       default:
         break;
@@ -139,12 +136,9 @@ VReg *new_ir_bop(enum IrKind kind, VReg *opr1, VReg *opr2, const VRegType *vtype
         break;
       case IR_BITAND:
         if (opr2->fixnum == 0)
-          return opr2;
+          return opr2;  // 0
         break;
       case IR_BITOR:
-        if (opr2->fixnum == 0)
-          return opr1;
-        break;
       case IR_BITXOR:
         if (opr2->fixnum == 0)
           return opr1;
diff --git a/src/wcc/gen_wasm.c b/src/wcc/gen_wasm.c
index efe0de61f..05cd6406c 100644
--- a/src/wcc/gen_wasm.c
+++ b/src/wcc/gen_wasm.c
@@ -97,9 +97,7 @@ static int continue_depth;
 unsigned char to_wtype(const Type *type) {
   switch (type->kind) {
   case TY_FIXNUM: return type_size(type) <= I32_SIZE ? WT_I32 : WT_I64;
-#ifndef __NO_FLONUM
   case TY_FLONUM: return type->flonum.kind == FL_FLOAT ? WT_F32 : WT_F64;
-#endif
   case TY_PTR:
   case TY_ARRAY:
     // Pointer and array is handled as an index of linear memroy.