[Bug tree-optimization/37258] [4.4 Regression] ice in simplify_subreg, at simplify-rtx.c:4957

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2008-09-18 15:28 -------
Subject: Bug 37258

Author: rguenth
Date: Thu Sep 18 15:27:21 2008
New Revision: 140460

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140460
Log:
2008-09-18  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/37258
        * tree-ssa-sccvn.c (vn_phi_compute_hash): Include the precision
        and signedness for integral types.
        (vn_phi_eq): Require compatible types.

        * gcc.c-torture/compile/pr37258.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr37258.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37258