--- a/mc-code-powerpc.c	Wed Jul 07 14:34:25 2004 +0900
+++ b/mc-code-powerpc.c	Wed Jul 07 17:34:32 2004 +0900
@@ -2485,7 +2485,8 @@
 code_const_op_p(int op,int v)
 {
     if (car(v)!=CONST) return 0;
-    if (op==BAND||op==DIV||op==UDIV||op==MOD||op==UMOD) return 0;
+    if (op==DIV||op==UDIV) return ilog(v);
+    if (op==BAND||op==MOD||op==UMOD) return 0;
     v = cadr(v);
     return (-32766<v&&v<32767);
 }
@@ -2494,6 +2495,7 @@
 oprtc(int op,int creg, int v)
 {
     char *crn;
+    int l;
     use_int(creg);
     crn = register_name(creg);
     v = cadr(v);
@@ -2503,9 +2505,13 @@
     case ULSHIFT:
 	printf("\tslwi %s,%s,%d\n",crn,crn,v);
 	return;
+    case DIV:
+	v = ilog(v);
     case RSHIFT:
 	printf("\tsrawi %s,%s,%d\n",crn,crn,v);
 	return;
+    case UDIV:
+	v = ilog(v);
     case URSHIFT:
 	printf("\tsrwi %s,%s,%d\n",crn,crn,v);
 	return;
@@ -2530,10 +2536,11 @@
 	printf("\tori %s,%s,lo16(%d)\n",crn,crn,v);
 	break;
     case MUL:
-	printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v);
-	break;
     case UMUL:
-	printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v);
+	if ((l=ilog(v))) {
+	    printf("\tslwi %s,%s,%d\n",crn,crn,l);
+	} else
+	    printf("\tmulli %s,%s,lo16(%d)\n",crn,crn,v);
 	break;
     default:
 	error(-1);
@@ -2570,6 +2577,7 @@
 void
 code_cmpdimm(int e, int csreg,int label,int cond)
 {
+    int reg;
     /* used in dosiwtch() */
     if(chk) return;
     inc_cmpflag();
@@ -2577,7 +2585,11 @@
 	printf("\tcmpwi cr%d,%s,%d\n",cmpflag,register_name(csreg),e);
 	jcond(label,cond);
     } else {
-	error(-1); /* !? */
+	reg = get_register();
+	code_const(list2(CONST,e),reg);
+	printf("\tcmpw cr%d,%s,%s\n",cmpflag,register_name(csreg),register_name(reg));
+	jcond(label,cond);
+	free_register(reg);
     }
 }