[PATCH] x86-64: Add sinf with FMA

[Arjan van de Ven]

On 12/8/2017 8:02 AM, Nick Alcock wrote:
> On 4 Dec 2017, H. J. Lu uttered the following:
> 
>> On Skylake, bench-sinf reports performance improvement:
>>
>>              Before        After         Improvement
>> max        153.996       100.094           54%
>> min        8.546         6.852             25%
>> mean       18.1223       14.4616           25%
>>
>> Any comments?
> 
> Do we have any benchmark runs on older processors? They're not remotely
> obsolete: Intel is still selling Broadwell server parts, and the vast
> majority of SSE2-capable parts out there at present are not as new as
> Skylake.

(oh and Haswell & Broadwell also support FMA already)