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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Mon, 17 Oct 2022 15:24:16 -0700
Message-ID: <CAMe9rOo2m4vnK0eqFZ-3hCuDmmReBeC0q=6=getPbm0ntQki6w@mail.gmail.com>
Subject: Re: [PATCH] x86: correct CPU_AMX_{BF16,INT8}_FLAGS
To: Jan Beulich <jbeulich@suse.com>
Cc: Binutils <binutils@sourceware.org>
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On Mon, Oct 17, 2022 at 12:44 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> AMX-TILE is a prereq to these, as already correctly expressed by
> CPU_ANY_AMX_TILE_FLAGS. Express the dependency also in the reverse
> ("positive") direction.
> ---
> Ideally we would teach i386-gen to at least check (better derive) such
> two-way dependencies.
>
> --- a/opcodes/i386-gen.c
> +++ b/opcodes/i386-gen.c
> @@ -303,9 +303,9 @@ static initializer cpu_flag_init[] =
>    { "CPU_CLDEMOTE_FLAGS",
>      "CpuCLDEMOTE" },
>    { "CPU_AMX_INT8_FLAGS",
> -    "CpuAMX_INT8" },
> +    "CPU_AMX_TILE_FLAGS|CpuAMX_INT8" },
>    { "CPU_AMX_BF16_FLAGS",
> -    "CpuAMX_BF16" },
> +    "CPU_AMX_TILE_FLAGS|CpuAMX_BF16" },
>    { "CPU_AMX_TILE_FLAGS",
>      "CpuAMX_TILE" },
>    { "CPU_MOVDIRI_FLAGS",

OK.

Thanks.

-- 
H.J.