[LLVMdev] X86 FMA4

dag at cray.com dag at cray.com
Thu Jul 26 12:00:17 PDT 2012


Jan Sjodin <jan_sjodin at yahoo.com> writes:

> You can't execute FMA4 instructions on Intel processors, so it doesn't
> really matter what the impact of the move instructions would be, since
> it would end up with an illegal instruction regardless. :) 

Interlagos?  All the world is not Intel.

> It does perhaps bring up an issue of tuning for different
> architectures, but that is something nobody is really looking into at
> the moment afaik.

*ahem*

:)

                           -Dave



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