Hi Yupeng,
Great testcase, thanks!
I've investigated this, and there are two separate changes between GCC 7 and
GCC 8 each causing half of the regression.
The first regression is due compiler making unlucky decisions. Before the
regression compiler just got lucky, and I'll look into bringing
Hi Maxim,
Thank you very much for looking into this !
Hope you can fix this regression and bring performance back to GCC! :D
Yupeng Chang
Aug 22 2019
On Wed, Aug 21, 2019 at 10:21 PM Maxim Kuvyrkov
wrote:
> Hi Yupeng,
>
> Great testcase, thanks!
>
> I've investigated this, and there are two sep