[Bug target/53399] "*ffs" pattern generates wrong code with BMI enabled

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53399

--- Comment #12 from uros at gcc dot gnu.org 2012-05-21 15:46:34 UTC ---
Author: uros
Date: Mon May 21 15:46:25 2012
New Revision: 187722

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187722
Log:
    PR target/53399
    * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
    for TARGET_BMI.
    (ffssi2_no_cmove): Ditto.
    (*ffs<mode>_1): Remove insn pattern.
    (*tzcnt<mode>_1): New insn pattern.
    (*bsf<mode>1): Ditto.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md