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Re: [Xen-devel] [PATCH v8 26/50] x86emul: support remaining AVX512BW legacy-equivalent insns
- To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Tue, 21 May 2019 14:08:27 +0100
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- Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Delivery-date: Tue, 21 May 2019 13:08:46 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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On 15/03/2019 10:54, Jan Beulich wrote:
> --- a/xen/arch/x86/x86_emulate/x86_emulate.c
> +++ b/xen/arch/x86/x86_emulate/x86_emulate.c
> @@ -435,7 +435,10 @@ static const struct ext0f38_table {
> disp8scale_t d8s:4;
> } ext0f38_table[256] = {
> [0x00] = { .simd_size = simd_packed_int, .d8s = d8s_vl },
> - [0x01 ... 0x0b] = { .simd_size = simd_packed_int },
> + [0x01 ... 0x03] = { .simd_size = simd_packed_int },
> + [0x04] = { .simd_size = simd_packed_int, .d8s = d8s_vl },
> + [0x05 ... 0x0b] = { .simd_size = simd_packed_int },
> + [0x0b] = { .simd_size = simd_packed_int, .d8s = d8s_vl },
It doesn't look as if you mean 0x0b twice here, although its quite
possible that GCC elides it silently (Clang definitely won't).
~Andrew
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