[Bug target/57264] cld not emitted when string instructions used, and '-mcld' on command line

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57264

--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> ---
Author: uros
Date: Mon May 13 17:14:26 2013
New Revision: 198837

URL: http://gcc.gnu.org/viewcvs?rev=198837&root=gcc&view=rev
Log:
    PR target/57264
    Backport from mainline
    2013-01-22  Jakub Jelinek  <ja...@redhat.com>

    PR target/55686
    * config/i386/i386.md (UNSPEC_STOS): New.
    (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
    *strsetqi_1): Add UNSPEC_STOS.

testsuite/ChangeLog:

    PR target/57264
    * gcc.target/i386/pr57264.c: New test.


Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.target/i386/pr57264.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/config/i386/i386.md
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog