------- Comment #11 from rakdver at atrey dot karlin dot mff dot cuni dot cz 2006-02-12 23:42 ------- Subject: Re: [4.2 Regression] cc0 targets broken; loop-invariants-move code doesn't handle cc0.
> What kind of invariant insns can we miss if we don't move any cc0 setters? > Are > there things like cc0-based conditional moves/sets? > > If someone has a test case with a missed optimization due to not moving any > cc0 > setters at all, I'm willing to spend some time figuring out a suitable fix. at the moment, we will not consider anything that uses CC0 invariant. Loop.c will not, either, so it is not a regression. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26232
