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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Wei Liu <wl@xen.org>, RogerPau Monne <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH v9 16/23] x86emul: support AVX512_VNNI insns
Date: Thu, 4 Jul 2019 15:50:19 +0100	[thread overview]
Message-ID: <0c060a6f-0326-d623-195d-1ade492899ac@citrix.com> (raw)
In-Reply-To: <2ee78b22-c58f-f393-e83d-e9be8e3e4a5c@suse.com>

On 01/07/2019 12:24, Jan Beulich wrote:
> Along the lines of the 4FMAPS case, convert the 4VNNIW-based table
> entries to a decoder adjustment. Because of the current sharing of table
> entries between different (implied) opcode prefixes and with the same
> major opcodes being used for vp4dpwssd{,s}, which have a different
> memory operand size and different Disp8 scaling, the pre-existing table
> entries get converted to a decoder override. The table entries will now
> represent the insns here, in line with other table entries preferably
> representing the prefix-66 insns.
>
> As in a few cases before, since the insns here and in particular their
> memory access patterns follow the usual scheme, I didn't think it was
> necessary to add a contrived test specifically for them, beyond the
> Disp8 scaling one.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

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  reply	other threads:[~2019-07-04 14:50 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-01 11:13 [Xen-devel] [PATCH v9 00/23] x86emul: remaining AVX512 support Jan Beulich
2019-07-01 11:16 ` [Xen-devel] [PATCH v9 01/23] x86emul: support AVX512{F, _VBMI2} compress/expand insns Jan Beulich
2019-07-04 13:12   ` Andrew Cooper
2019-07-01 11:17 ` [Xen-devel] [PATCH v9 02/23] x86emul: support remaining misc AVX512{F, BW} insns Jan Beulich
2019-07-01 11:17 ` [Xen-devel] [PATCH v9 03/23] x86emul: prepare for AVX512F S/G insns Jan Beulich
2019-07-04 13:50   ` Andrew Cooper
2019-07-01 11:18 ` [Xen-devel] [PATCH v9 04/23] x86emul: test harness adjustments " Jan Beulich
2019-07-04 13:52   ` Andrew Cooper
2019-07-01 11:18 ` [Xen-devel] [PATCH v9 05/23] x86emul: support AVX512F gather insns Jan Beulich
2019-07-04 14:10   ` Andrew Cooper
2019-07-04 14:16     ` Andrew Cooper
2019-07-04 14:25       ` Jan Beulich
2019-07-04 18:26         ` Andrew Cooper
2019-07-04 14:22     ` Jan Beulich
2019-07-04 18:40       ` Andrew Cooper
2019-07-01 11:19 ` [Xen-devel] [PATCH v9 06/23] x86emul: add high register S/G test cases Jan Beulich
2019-07-01 11:20 ` [Xen-devel] [PATCH v9 07/23] x86emul: support AVX512F scatter insns Jan Beulich
2019-07-04 14:19   ` Andrew Cooper
2019-07-01 11:20 ` [Xen-devel] [PATCH v9 08/23] x86emul: support AVX512PF insns Jan Beulich
2019-07-04 14:44   ` Andrew Cooper
2019-07-04 14:50     ` Jan Beulich
2019-07-04 18:29       ` Andrew Cooper
2019-07-01 11:21 ` [Xen-devel] [PATCH v9 09/23] x86emul: support AVX512CD insns Jan Beulich
2019-07-01 11:21 ` [Xen-devel] [PATCH v9 10/23] x86emul: complete support of AVX512_VBMI insns Jan Beulich
2019-07-01 11:22 ` [Xen-devel] [PATCH v9 11/23] x86emul: support of AVX512* population count insns Jan Beulich
2019-07-04 14:47   ` Andrew Cooper
2019-07-04 14:54     ` Jan Beulich
2019-07-04 18:38       ` Andrew Cooper
2019-07-05  8:10         ` Jan Beulich
2019-07-01 11:22 ` [Xen-devel] [PATCH v9 12/23] x86emul: support of AVX512_IFMA insns Jan Beulich
2019-07-01 11:23 ` [Xen-devel] [PATCH v9 13/23] x86emul: support remaining AVX512_VBMI2 insns Jan Beulich
2019-07-01 11:23 ` [Xen-devel] [PATCH v9 14/23] x86emul: support AVX512_4FMAPS insns Jan Beulich
2019-07-04 14:49   ` Andrew Cooper
2019-07-01 11:24 ` [Xen-devel] [PATCH v9 15/23] x86emul: support AVX512_4VNNIW insns Jan Beulich
2019-07-01 11:24 ` [Xen-devel] [PATCH v9 16/23] x86emul: support AVX512_VNNI insns Jan Beulich
2019-07-04 14:50   ` Andrew Cooper [this message]
2019-07-01 11:25 ` [Xen-devel] [PATCH v9 17/23] x86emul: support VPCLMULQDQ insns Jan Beulich
2019-07-01 11:25 ` [Xen-devel] [PATCH v9 18/23] x86emul: support VAES insns Jan Beulich
2019-07-01 11:26 ` [Xen-devel] [PATCH v9 19/23] x86emul: support GFNI insns Jan Beulich
2019-07-04 15:10   ` Andrew Cooper
2019-07-01 11:26 ` [Xen-devel] [PATCH v9 20/23] x86emul: restore ordering within main switch statement Jan Beulich
2019-07-01 11:27 ` [Xen-devel] [PATCH v9 21/23] x86emul: add an AES/VAES test case to the harness Jan Beulich
2019-07-01 11:28 ` [Xen-devel] [PATCH v9 22/23] x86emul: add a SHA " Jan Beulich
2019-07-01 11:28 ` [Xen-devel] [PATCH v9 23/23] x86emul: support VPCLMULQDQ insns Jan Beulich
2019-07-03 16:05 ` [Xen-devel] [PATCH v9 00/23] x86emul: remaining AVX512 support Jan Beulich
2019-07-03 16:06 ` [Xen-devel] [PATCH v9 23/23] x86emul: add a PCLMUL/VPCLMUL test case to the harness Jan Beulich

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