http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57264
Uros Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86 Status|UNCONFIRMED |NEW Version|unknown |4.7.3 Last reconfirmed| |2013-05-13 Component|c |target CC| |ubizjak at gmail dot com Ever confirmed|0 |1 Target Milestone|--- |4.7.4 --- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> --- The stosl insn is created by the combine pass, not via expander, so flag that triggers the cld insertion is not set. I propose to backport r195381 to disable unwanted insn combination. Can you please test the backport?