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Re: [RFC PATCH] i386/tcg: add AVX/AVX2 support (severely incomplete, ju


From: Richard Henderson
Subject: Re: [RFC PATCH] i386/tcg: add AVX/AVX2 support (severely incomplete, just for preliminary feedback)
Date: Wed, 16 Feb 2022 20:24:39 +1100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0

On 2/16/22 07:56, Alexander Kanavin wrote:
Lack of AVX/AVX2 support in the i386 TCG has been a significant gap
for a long while; I've started work to close this gap.

This is of course nowhere near complete, or even buildable, I'm
just requesting initial feedback from the qemu gurus - am I on
the right track with this? Does something need to be done differently?

There's an enormous amount of legacy SSE instructions to adjust
for VEX-128 and VEX-256 flavours, so I would want to know that this
way would be acceptable.

Signed-off-by: Alexander Kanavin<alex@linutronix.de>
---

Have a look at updating some existing work:

https://lore.kernel.org/qemu-devel/20190821172951.15333-1-jan.bobek@gmail.com/


r~



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