[PATCH x86] Increase PARAM_MAX_COMPLETELY_PEELED_INSNS when branch is costly

Uros Bizjak ubizjak@gmail.com
Fri Nov 21 11:21:00 GMT 2014


On Fri, Nov 21, 2014 at 11:46 AM, Evgeny Stupachenko <evstupac@gmail.com> wrote:
> PING.
> "200" currently looks optimal for x86.
> Let's commit the following:
>
> 2014-11-21  Evgeny Stupachenko  <evstupac@gmail.com>
>         * config/i386/i386.c (ix86_option_override_internal): Increase
>         PARAM_MAX_COMPLETELY_PEELED_INSNS.

OK. Looks like a good performance vs. codesize tradeoff.

Uros.



More information about the Gcc-patches mailing list