From: Jan Beulich <jbeulich@suse.com>
To: "Cui, Lili" <lili.cui@intel.com>
Cc: hjl.tools@gmail.com, binutils@sourceware.org
Subject: Re: [PATCH] x86/APX: Add invalid checks for APX EVEX.X4.
Date: Fri, 19 Apr 2024 11:42:06 +0200 [thread overview]
Message-ID: <eba7ef02-cef6-477d-8598-11710dc61fec@suse.com> (raw)
In-Reply-To: <20240419042424.1778015-1-lili.cui@intel.com>
On 19.04.2024 06:24, Cui, Lili wrote:
> APX spec updated EVEX payload description for bit P[10] (now called
> EVEX.U) to include usage between APX and AVX10 and how it is related
> to EVEX.X4.
>
> EVEX.X4 is defined only when ModRM.Mod != 3. When ModRM.Mod = 3,
> the U bit must be 1 for all promoted instructions.
>
> gas/ChangeLog:
>
> * config/tc-i386.c (build_apx_evex_prefix): Added invalid check for APX
> X4.
> * testsuite/gas/i386/x86-64-apx-evex-promoted-bad.d: Added invalid
> testcase.
> * testsuite/gas/i386/x86-64-apx-evex-promoted-bad.s: Ditto.
>
> opcodes/ChangeLog:
>
> * i386-dis.c (get_valid_dis386): Added invalid check for APX X4.
Okay.
Jan
prev parent reply other threads:[~2024-04-19 9:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 4:24 Cui, Lili
2024-04-19 9:42 ` Jan Beulich [this message]
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