> > On the other hand, a new EVEX-capable level might bring earlier adoption
> > of EVEX capabilities to AMD CPUs, which still should be an improvement
> > over AVX2.  This could benefit AMD as well.  So I would really like to
> > see some AMD feedback here.
> >
> > There's also the matter that time scales for EVEX adoption are so long
> > that by then, Intel CPUs may end up supporting and preferring 512 bit
> > vectors again.
> 
> True, there isn't even widespread VEX adoption yet ... and now there's
> APX as the next best thing to target.
> 
> That said, my main point was that x86-64-v4 is "broken" as it appears
> as a dead end - AVX512 is no more, the future is AVX10, but yet we have
> to define x86-64-v5 as something that includes x86-64-v4.
> 
> So, can we un-do x86-64-v4?

As far as I have heard, x86-64-v4 is rarely used. There should be a small
chance to un-do that and not to break too many things. But I am not sure.

Thx,
Haochen

> 
> Richard.
> 
> > Thanks,
> > Florian
> >

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