[Bug tree-optimization/72517] [7 Regression] 436.cactusADM: More than 40% regression in O3 and Ofast on AMD bdver4 m/c.

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72517

--- Comment #12 from rguenther at suse dot de <rguenther at suse dot de> ---
On July 27, 2016 7:02:07 PM GMT+02:00, "Amit.Pawar at amd dot com"
<gcc-bugzilla@gcc.gnu.org> wrote:
>https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72517
>
>--- Comment #11 from Amit Pawar <Amit.Pawar at amd dot com> ---
>Improvement is seen but not same as best one. 
>
>
>Current scores are
>Flags           Latest trunk
>O3                  :31.4
>O3 -march=bdver4    :31.1
>Ofast               :32.1
>Ofast -march=bdver4 :31.2
>
>but good one.
>Flags           Good Trunk
>O3              37.69           
>O3 bdver4       36.55           
>Ofast           40.36
>Ofast bdver4    38.31
>
>Can you please check at your end?

I checked r237473 plus the patch against r237472 and the regression was fully
fixed.  I did not yet check current trunk but if there is any regression it is
a new one caused by sth else.  Bisection with the fix for this regression might
tell.

Richard.