PATCH: Optimize integer vector concatenate for SSE4

H.J. Lu hjl.tools@gmail.com
Thu May 15 17:10:00 GMT 2008


On Thu, May 15, 2008 at 7:37 AM, Uros Bizjak <ubizjak@gmail.com> wrote:
> On Thu, May 15, 2008 at 3:20 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>
>  > We should set prefix_extra attribute to 1 only for insertps. I am
>  > checking in this as an obvious fix.
>
>  I have committed another trivial oversight from my previous patch. MMX
>  alternative can now load operand[2] from memory, since RA can now
>  choose either MMX or SSE alternative.
>
>
>  2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
>
>         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
>         to alternative 4 of operand 2.
>

I am checking a similar fix to "*vec_concatv2sf_avx" on AVX branch.

Thanks.


H.J.
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