On Wed, 2020-07-29 at 12:19 -0500, Steven Munroe wrote:
> Jeff Law wrote:
> 
> > For ppc64le is that the build was done with p8, but there is one
> > function (__builtin_altivec_vadub) that requires p9. This seems
> > like a package bug at first glance, not an LTO issue.
> 
> Yup __builtin_altivec_vadub is POWER9_VECTOR only.
> 
> For P8/6 use something like this:
> 
>   vmin = vec_min (a, b);
>   vmax = vec_max (a, b);
>   result = vec_sub (vmax, vmin);
> 
> executes in 4 cycles.

but why it built 18 day ago, opencv-4.3.0-7 [2],  
 with same source code and rpm spec [1] ? 

[1]
https://src.fedoraproject.org/rpms/opencv/commits/master

[2]
https://koji.fedoraproject.org/koji/taskinfo?taskID=47160403

-- 
Sérgio M. B.
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