netdev - Re: [PATCH 02/14] bpf/tests: Add BPF_MOV tests for zero and sign extension

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Message-ID: <f91e2557-e4b6-3d87-b0e4-c0c9244c0fa1@fb.com>
Date:   Wed, 28 Jul 2021 15:36:15 -0700
From:   Yonghong Song <yhs@...com>
To:     Johan Almbladh <johan.almbladh@...finetworks.com>,
        <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>
CC:     <kafai@...com>, <songliubraving@...com>,
        <john.fastabend@...il.com>, <kpsingh@...nel.org>,
        <Tony.Ambardar@...il.com>, <netdev@...r.kernel.org>,
        <bpf@...r.kernel.org>
Subject: Re: [PATCH 02/14] bpf/tests: Add BPF_MOV tests for zero and sign
 extension



On 7/28/21 10:04 AM, Johan Almbladh wrote:
> Tests for ALU32 and ALU64 MOV with different sizes of the immediate
> value. Depending on the immediate field width of the native CPU
> instructions, a JIT may generate code differently depending on the
> immediate value. Test that zero or sign extension is performed as
> expected. Mainly for JIT testing.
> 
> Signed-off-by: Johan Almbladh <johan.almbladh@...finetworks.com>

Acked-by: Yonghong Song <yhs@...com>