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Re: [PATCH 1/2, x86] Add palignr support for AVX2.
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: Evgeny Stupachenko <evstupac at gmail dot com>
- Cc: Richard Henderson <rth at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Biener <rguenther at suse dot de>
- Date: Fri, 4 Jul 2014 13:22:39 +0200
- Subject: Re: [PATCH 1/2, x86] Add palignr support for AVX2.
- Authentication-results: sourceware.org; auth=none
- References: <CAOvf_xx3-VpgN8YDxJBPvzzNGNykUPoLdU6xThW_QBN7byy5rw at mail dot gmail dot com> <535E909A dot 7040205 at redhat dot com> <CAOvf_xygddE6yxkp=+SZtVz+bvVciH5YfH1Cwy1WxdPHCgrbtg at mail dot gmail dot com> <535EC233 dot 7000500 at redhat dot com> <CAOvf_xxq6PNN2KLpA8yoB2jjgmy-UAOvij_ghgsKPkZnsu2Rkg at mail dot gmail dot com> <537A23F7 dot 2060601 at redhat dot com> <CAOvf_xwYJpQ0H9=MrLzUd40JDksZ8Tfsks2=8ZW4MfR_wCjU1A at mail dot gmail dot com>
On Thu, Jul 3, 2014 at 11:53 AM, Evgeny Stupachenko <evstupac@gmail.com> wrote:
> The "expand_vec_perm_palignr" is similar for SSSE3 and AVX2 cases,
> but AVX2 requires more instructions to complete the scheme.
>
> The patch below adds AVX2 support for six instructions, leaving SSSE3 for two.
> Is it ok?
ChangeLog entry is missing.
Uros.