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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