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Re: [x86 PATCH] Fix cost model for Silvermont.
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: Yuri Rumyantsev <ysrumyan at gmail dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 13 Dec 2013 14:46:20 +0100
- Subject: Re: [x86 PATCH] Fix cost model for Silvermont.
- Authentication-results: sourceware.org; auth=none
- References: <CAEoMCqTt1QL9Xc8EbRLrMCO-zPbnpwGj=MhJzD1anqjM1Pa51A at mail dot gmail dot com>
On Fri, Dec 13, 2013 at 2:42 PM, Yuri Rumyantsev <ysrumyan@gmail.com> wrote:
> Attached is one-line fix which reduced a cost of integer
> multiplication for HI mode since imul instruction design was improved
> in SLM (in comparison with Atom).
>
> Is it OK for trunk?
>
> ChangeLog:
>
> 2013-12-13 Yuri Rumyantsev <ysrumyan@gmail.com>
> * config/i386/i386.c (slm_cost): Fix imul cost for HI.
OK.
Thanks,
Uros.