[Bug middle-end/87009] Can't find XOR pattern applying De Morgan sequentially

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87009

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Tue Aug 28 20:23:05 2018
New Revision: 263931

URL: https://gcc.gnu.org/viewcvs?rev=263931&root=gcc&view=rev
Log:
        PR tree-optimization/87009
        * match.pd: Add boolean optimizations.

        PR tree-optimization/87009
        * gcc.dg/pr87009.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr87009.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog