fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like comparisons with regard to signedness.

	* fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
	comparisons with regard to signedness.

From-SVN: r78441

gcc/ChangeLog

+2004-02-25  Eric Botcazou  <ebotcazou@act-europe.fr>
+
+	* fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
+	comparisons with regard to signedness.
+
 2004-02-25  Richard Earnshaw  <rearnsha@arm.com>
 
 	* arm.c (thumb_legitimize_address): New function.

gcc/fold-const.c

@@ -5423,7 +5423,10 @@ fold (tree expr)
 	  if (op == 0)
 	    continue;		/* Valid for CALL_EXPR, at least.  */
 
-	  if (kind == '<' || code == RSHIFT_EXPR)
+	  if (kind == '<'
+	      || code == MAX_EXPR
+	      || code == MIN_EXPR
+	      || code == RSHIFT_EXPR)
 	    {
 	      /* Signedness matters here.  Perhaps we can refine this
 		 later.  */