[Bug middle-end/24990] fold should convert ~a != C to a != ~C where C is a constant

[pinskia at gcc dot gnu dot org]

------- Comment #4 from pinskia at gcc dot gnu dot org  2005-11-25 04:55 -------
Subject: Bug 24990

Author: pinskia
Date: Fri Nov 25 04:54:59 2005
New Revision: 107487

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=107487
Log:
2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24990
        * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
        for C being INTEGER_CST.  Likewise for !=.
2005-11-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24990
        * tree-ssa/pr24990-1.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr24990-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24990