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Re: [PATCH] Missing Skylake -march=/-mtune= option
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: Richard Biener <richard dot guenther at gmail dot com>
- Cc: Yuri Rumyantsev <ysrumyan at gmail dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>, Igor Zamyatin <izamyatin at gmail dot com>, ÐÐÑÑ ÐÐÐÐÐÐÑ <enkovich dot gnu at gmail dot com>
- Date: Wed, 19 Aug 2015 12:47:19 +0200
- Subject: Re: [PATCH] Missing Skylake -march=/-mtune= option
- Authentication-results: sourceware.org; auth=none
- References: <CAEoMCqSAJ1P8XwVAe0w4=+HsnPyShD-kSpbsxHxgBMjFS7UtDw at mail dot gmail dot com> <CAFULd4a87MB1EOPHPP9DVNTCY1E5ZiqFupZDgmLDJ-nmpt9SLA at mail dot gmail dot com> <CAFiYyc1_ENBM+Z=itFgF61dV9-PbXsh0ja=v4pc3r+NpzKsgxg at mail dot gmail dot com>
On Wed, Aug 19, 2015 at 12:39 PM, Richard Biener
<richard.guenther@gmail.com> wrote:
> On Thu, Aug 13, 2015 at 9:57 PM, Uros Bizjak <ubizjak@gmail.com> wrote:
>> On Thu, Aug 13, 2015 at 11:31 AM, Yuri Rumyantsev <ysrumyan@gmail.com> wrote:
>>> Hi All,
>>>
>>> Here is patch for adding march/mtune options for Skylake.
>>>
>>> Bootstrap and regression testing did not show any new failures.
>>>
>>> Is it OK for trunk?
>>
>> OK.
>
> I think this causes
>
> FAIL: g++.dg/ext/mv16.C -std=gnu++98 execution test
> FAIL: g++.dg/ext/mv16.C -std=gnu++11 execution test
> FAIL: g++.dg/ext/mv16.C -std=gnu++14 execution test
>
> for me. Possibly __builtin_cpu_is is not working for skylake?
No, a relevant entry has to be added to the testcase. But a real
skylake is needed to test the patch.
Uros.