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Re: [PATCH] Missing Skylake -march=/-mtune= option


On Wed, Aug 19, 2015 at 12:47 PM, Uros Bizjak <ubizjak@gmail.com> wrote:
> 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.

Hmm, so it doesn't fall back to 'default' for skylake?  Anyway, I'll
ignore the execute fail then for now until you sort it out in the testcase.

Richard.

> Uros.


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