[Bug target/50038] redundant zero extensions

["kyukhin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50038

--- Comment #8 from Kirill Yukhin <kyukhin at gcc dot gnu.org> 2011-12-21 11:52:32 UTC ---
Author: kyukhin
Date: Wed Dec 21 11:52:27 2011
New Revision: 182574

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182574
Log:
gcc/

2011-12-21  Enkovich Ilya  <ilya.enkovich@intel.com>

        PR target/50038
        * implicit-zee.c: Delete.
        * ree.c: New file.
        * Makefile.in: Replace implicit-zee.c with ree.c.
        * config/i386/i386.c (ix86_option_override_internal): Rename
        flag_zee to flag_ree.
        * common.opt (fzee): Ignored.
        (free): New.
        * passes.c (init_optimization_passes): Replace pass_implicit_zee
        with pass_ree.
        * tree-pass.h (pass_implicit_zee): Delete.
        (pass_ree): New.
        * timevar.def (TV_ZEE): Delete.
        (TV_REE): New.
        * doc/invoke.texi: Add -free description.

gcc/testsuite/

2011-12-21  Enkovich Ilya  <ilya.enkovich@intel.com>

        PR target/50038


Added:
    trunk/gcc/ree.c
    trunk/gcc/testsuite/gcc.dg/pr50038.c
Removed:
    trunk/gcc/implicit-zee.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/Makefile.in
    trunk/gcc/common.opt
    trunk/gcc/config/i386/i386.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/passes.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/timevar.def
    trunk/gcc/tree-pass.h