[Bug tree-optimization/64910] tree reassociation results in poor code

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910

--- Comment #2 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Mon Dec 21 04:49:02 2015
New Revision: 231871

URL: https://gcc.gnu.org/viewcvs?rev=231871&root=gcc&view=rev
Log:
        PR tree-optimization/64910
        * config/i386/i386.md (testqi_ext_3): Allow HImode.

        PR tree-optimization/64910
        * gcc.target/i386/bittest.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/bittest.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog