On 11 Nov 10:28, Marc Glisse wrote:
> On Tue, 11 Nov 2014, Kirill Yukhin wrote:
> 
> >Hello Marc, Uroš,
> >On 10 Nov 21:33, Uros Bizjak wrote:
> >>On Sun, Nov 9, 2014 at 5:26 PM, Marc Glisse <marc.gli...@inria.fr> wrote:
> >>>Hello,
> >>>
> >>>< > and == for integer vectors of size 128. I was surprised not to find
> >>>_mm_cmplt_epi64 anywhere. Note that I can do the same for size 256, but not
> >>>512, there is no corresponding intrinsic, there are only _mask versions 
> >>>that
> >>>return a mask.
> >>
> >>Let's ask Kirill (CC'd) about missing intrinsics.
> >We have no `_mm_cmplt_epi64' intrinsic because there's no such
> >instruction in Intel ISA.
> 
> We have _mm_cmplt_epi32 without a corresponding instruction though ;-)
> (yes, it is useless)
Right, but not in official SDM [1]. I believe this extra intrinsics were added
for compatibility w/ ICC which also features it.
 
> -- 
> Marc Glisse

[1] - 
http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-manual-325462.pdf

--
Thanks, K

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