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Re: [Xen-devel] [PATCH v8 38/50] x86emul: support of AVX512* population count insns
- To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 19 Jun 2019 13:22:04 +0100
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- Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 19 Jun 2019 12:22:56 +0000
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On 15/03/2019 11:01, Jan Beulich wrote:
> --- a/xen/tools/gen-cpuid.py
> +++ b/xen/tools/gen-cpuid.py
> @@ -269,7 +269,7 @@ def crunch_numbers(state):
> # AVX512 extensions acting (solely) on vectors of bytes/words are
> made
> # dependents of AVX512BW (as to requiring wider than 16-bit mask
> # registers), despite the SDM not formally making this connection.
> - AVX512BW: [AVX512_VBMI, AVX512_VBMI2],
> + AVX512BW: [AVX512_VBMI, AVX512_BITALG, AVX512_VBMI2],
This ordering looks suspect. BITALG should go last, given its position
in the feature leaf.
With this fixed, Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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