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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Tue, 28 Jun 2022 07:38:01 -0700
Message-ID: <CAMe9rOrbVBOrPON9wAjRz1DFK-vx9sNKG88VAi-EmZa3C6ZQ2w@mail.gmail.com>
Subject: Re: [PATCH] x86: drop stray NoRex64 from XBEGIN
To: Jan Beulich <jbeulich@suse.com>
Cc: Binutils <binutils@sourceware.org>
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On Tue, Jun 28, 2022 at 7:10 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> Presumably this being there was a result of taking CALL as a reference
> when adding the RTM insns. But with No_qSuf the attribute has no effect.
>
> --- a/opcodes/i386-opc.tbl
> +++ b/opcodes/i386-opc.tbl
> @@ -1911,7 +1911,7 @@ xrelease, 0xf3, None, CpuHLE, No_bSuf|No
>
>  // RTM instructions
>  xabort, 0xc6f8, None, CpuRTM, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8 }
> -xbegin, 0xc7f8, None, CpuRTM,  JumpDword|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|NoRex64, { Disp16|Disp32|Disp32S }
> +xbegin, 0xc7f8, None, CpuRTM,  JumpDword|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Disp16|Disp32|Disp32S }
>  xend, 0xf01d5, None, CpuRTM, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
>  xtest, 0xf01d6, None, CpuHLE|CpuRTM, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, {}
>

OK.

Thanks.

-- 
H.J.