Re: [PATCH] i386: Disable param ira-consider-dup-in-all-alts [PR100328]

[Uros Bizjak via Gcc-patches]

On Fri, Jul 2, 2021 at 4:28 AM Kewen.Lin <li...@linux.ibm.com> wrote:
>
> Hi,
>
> With Hongtao's help (thanks), we got the SPEC2017 performance
> evaluation result on x86_64 (see [1]), this new parameter
> ira-consider-dup-in-all-alts has negative effects on i386.
> Since we observed it can benefit ports aarch64 and rs6000, the
> param is set as 1 by default, this patch is to disable it on
> i386 explicitly to avoid performance degradation there.
>
> Bootstrapped & regtested on x86_64-redhat-linux.
>
> Is it ok for trunk?

OK.

Thanks,
Uros.