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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d63fe39..e8eb558 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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

diff --git a/gcc/c-common.c b/gcc/c-common.c
index a6f303b..fa555a7 100644 (file)
--- a/gcc/c-common.c
+++ b/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);