optabs.c (expand_binop_directly): Fix signed/unsigned comparison.

2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* optabs.c (expand_binop_directly): Fix signed/unsigned comparison.

From-SVN: r126382

gcc/ChangeLog

+2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
+
 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
 
 	* rtl.def (NOTE): Change print format string to print

gcc/optabs.c

@@ -1456,7 +1456,7 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
     {
       optab otheroptab = (binoptab == rotl_optab ? rotr_optab : rotl_optab);
       rtx newop1;
-      int bits = GET_MODE_BITSIZE (mode);
+      unsigned int bits = GET_MODE_BITSIZE (mode);
 
       if (GET_CODE (op1) == CONST_INT)
 	newop1 = GEN_INT (bits - INTVAL (op1));