[Bug tree-optimization/59487] [4.9 Regression] When compiled with -fwhole-program rnflow.f90 runs up to 40% slower after r202826
rguenther at suse dot de
gcc-bugzilla@gcc.gnu.org
Thu Feb 27 10:56:00 GMT 2014
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59487
--- Comment #8 from rguenther at suse dot de <rguenther at suse dot de> ---
On Thu, 27 Feb 2014, Ganesh.Gopalasubramanian at amd dot com wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59487
>
> --- Comment #7 from GGanesh <Ganesh.Gopalasubramanian at amd dot com> ---
> Richard! With gcc version 4.9.0 20140224, I could see a gap between
> with/without -fwhole-program.
With what other options?
> with -fwhole-program : time ./rnflowWhPr
> real 0m26.184s
> user 0m26.018s
> sys 0m0.156s
>
> without -fwhole-program: time ./rnflow
> real 0m18.251s
> user 0m18.061s
> sys 0m0.180s
More information about the Gcc-bugs
mailing list