c-common.c (shorten_compare): Don't special-case min/maxval for C enumerations.

        * c-common.c (shorten_compare): Don't special-case min/maxval
        for C enumerations.

From-SVN: r91974

gcc/ChangeLog

+2004-12-09  Richard Henderson  <rth@redhat.com>
+
+	* c-common.c (shorten_compare): Don't special-case min/maxval
+	for C enumerations.
+
 2004-12-09  Richard Sandiford  <rsandifo@redhat.com>
 
 	* simplify-rtx.c (simplify_subreg): In the CONCAT case, check whether

gcc/c-common.c

@@ -1983,14 +1983,6 @@ shorten_compare (tree *op0_ptr, tree *op1_ptr, tree *restype_ptr,
       type = c_common_signed_or_unsigned_type (unsignedp0,
 					       TREE_TYPE (primop0));
 
-      /* In C, if TYPE is an enumeration, then we need to get its
-	 min/max values from its underlying integral type, not the
-	 enumerated type itself.  In C++, TYPE_MAX_VALUE and
-	 TYPE_MIN_VALUE have already been set correctly on the
-	 enumeration type.  */
-      if (!c_dialect_cxx () && TREE_CODE (type) == ENUMERAL_TYPE)
-	type = c_common_type_for_size (TYPE_PRECISION (type), unsignedp0);
-
       maxval = TYPE_MAX_VALUE (type);
       minval = TYPE_MIN_VALUE (type);