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Re: [PATCH 08/11] x86emul: handle AVX512-FP16 conversion to/from (packed) int16 insns
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Wed, 10 Aug 2022 19:01:01 +0000
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- Thread-topic: [PATCH 08/11] x86emul: handle AVX512-FP16 conversion to/from (packed) int16 insns
On 15/06/2022 11:30, Jan Beulich wrote:
> These are easiest in that they have same-size source and destination
> vectors, yet they're different from other conversion insns in that they
> use opcodes which have different meaning in the 0F encoding space
> ({,V}H{ADD,SUB}P{S,D}), hence requiring a little bit of overriding.
At what point is sharing the opcode tables going to be not worth doing?
~Andrew
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