This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [patch, 4.5] Fix PR middle-end/43085 (make profiledbootstrap crashes due to dataflow bug)


> The patch below is a backport of those fixes to the 4.5 branch, which
> fixes the profiled-bootstrap failure for me.  (Note that on current
> mainling, the ifcvt.c dead_or_predictable routine has been significantly
> rewritten beyond what was done by those patches.  These additional
> changes do not appear to be necessary to fix the PR ...)

Do you really need to backport the MERGE_SET_NOCLOBBER stuff?  This will cause 
the branch to optimize more aggressively than before.

-- 
Eric Botcazou


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]