--- a/mc-code-powerpc.c	Mon Dec 06 10:01:22 2010 +0900
+++ b/mc-code-powerpc.c	Mon Dec 06 15:38:18 2010 +0900
@@ -2145,6 +2145,7 @@
     if (reg!=creg) {
 	clear_ptr_cache_reg(reg);
 	if (ireg && reg!=ireg ) {
+	    clear_ptr_cache_reg(ireg);
 	    free_register(ireg);
 	    if (mode) {
 		printf("\tmr %s,%s\n",register_name(reg),register_name(ireg));
@@ -2514,15 +2515,22 @@
 	    return get_register_var(0);
 	} else if (reg_arg>=MAX_INPUT_REGISTER_VAR) {
 	    return list3n(LVAR,caller_arg_offset_v(nargs),0);
-	} else 
-	    return get_input_register_var(reg_arg,0,0);
+	} else  {
+	    int e =  get_input_register_var(reg_arg,0,0);
+            clear_ptr_cache_reg(cadr(e));
+	    return e;
+	}
     } else if (t==LONGLONG||t==ULONGLONG) {
 	if (mode==AS_SAVE) {
 	    return get_lregister_var(0);
 	} else if (reg_arg+1>=MAX_INPUT_REGISTER_VAR)  {
 	    return list3n(LVAR,caller_arg_offset_v(nargs),0);
-	} else
-	    return get_input_lregister_var(reg_arg,0,0);
+	} else {
+	    int e =  get_input_lregister_var(reg_arg,0,0);
+            clear_ptr_cache_reg(regv_l(cadr(e)));
+            clear_ptr_cache_reg(regv_h(cadr(e)));
+	    return e;
+	}
     } else if (t==FLOAT) {
 	if (mode==AS_SAVE) {
 	    return get_dregister_var(0,0);
@@ -2686,9 +2694,12 @@
 	if(scalar(t)) {
 	    reg_arg_list = list2(arg,reg_arg_list);
 	    /* protect from input register free */
-	    if (car(arg)==REGISTER)
+	    if (car(arg)==REGISTER) {
+                set_ireg(cadr(arg),0);
+		g_expr_u(assign_expr0(arg,e4,t,t));
 		use_input_reg(cadr(arg),1);
-	    g_expr_u(assign_expr0(arg,e4,t,t));
+	    } else
+		g_expr_u(assign_expr0(arg,e4,t,t));
 	} else if (t==LONGLONG||t==ULONGLONG) {
 	    if (reg_arg+1==MAX_INPUT_REGISTER_VAR) { 
 		// half register, half memory case