On Fri, Sep 09, 2016 at 12:31:31PM -0600, Jeff Law wrote: > On 06/08/2016 03:18 AM, Bernd Schmidt wrote: > >On 06/08/2016 03:47 AM, Segher Boessenkool wrote: > >>+ /* regrename creates wrong code for exception handling, if used > >>together > >>+ with separate shrink-wrapping. Disable for now, until we have > >>+ figured out what exactly is going on. */ > > > >That needs to be figured out now or it'll be there forever. > I suspect it's related to liveness computations getting out-of-wack with > separate shrink wrapping. If that's the case, then the question in my > mind is how painful is this going to be to fix in the df scanning code.
I haven't been able to pin-point the failure. It happens for just a few huge testcases. So I am hoping someone who understands regrename will figure it out. Segher