[Bug target/51697] SH Target: Inefficient DImode comparisons for -Os

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51697

--- Comment #2 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Author: olegendo
Date: Sun Dec  8 22:15:59 2013
New Revision: 205794

URL: http://gcc.gnu.org/viewcvs?rev=205794&root=gcc&view=rev
Log:
    PR target/52898
    PR target/51697
    * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
    OPT_mcbranchdi entry.
    * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Mark as undocumented and
    emit a warning.
    * config/sh/sh.c (sh_option_override): Initialize TARGET_CBRANCHDI4
    and TARGET_CMPEQDI_T variables.
    * doc/invoke.texi (SH options): Undocument -mcbranchdi and -mcmpeqdi.

    PR target/52898
    PR target/51697
    * gcc.target/sh/pr51697.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/sh/pr51697.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/common/config/sh/sh-common.c
    trunk/gcc/config/sh/sh.c
    trunk/gcc/config/sh/sh.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog