[Bug rtl-optimization/39779] ICE shifting byte to the right with constant > 7FFFFFFF

[ubizjak at gmail dot com]

------- Comment #11 from ubizjak at gmail dot com  2009-09-21 13:02 -------
Another week, another patch in testing:

Index: c-typeck.c
===================================================================
--- c-typeck.c  (revision 151915)
+++ c-typeck.c  (working copy)
@@ -9465,6 +9465,7 @@ build_binary_op (location_t location, en
            unsigned_arg = TYPE_UNSIGNED (TREE_TYPE (op0));

          if (TYPE_PRECISION (TREE_TYPE (arg0)) < TYPE_PRECISION (result_type)
+             && int_fits_type_p (op1, TREE_TYPE (arg0))
              /* We can shorten only if the shift count is less than the
                 number of bits in the smaller type size.  */
              && compare_tree_int (op1, TYPE_PRECISION (TREE_TYPE (arg0))) < 0


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39779