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Re: [PATCH] x86: remove stray instruction attributes
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Jan Beulich <JBeulich at suse dot com>
- Cc: Binutils <binutils at sourceware dot org>
- Date: Thu, 30 Jun 2016 04:31:56 -0700
- Subject: Re: [PATCH] x86: remove stray instruction attributes
- Authentication-results: sourceware.org; auth=none
- References: <57750F2A02000078000FA05C at prv-mh dot provo dot novell dot com> <577517B102000078000FA09D at prv-mh dot provo dot novell dot com>
On Thu, Jun 30, 2016 at 3:59 AM, Jan Beulich <JBeulich@suse.com> wrote:
>>>> On 30.06.16 at 12:23, <JBeulich@suse.com> wrote:
>> - with Cpu64 Disp16 makes no sense for memory operands
>> - with CpuNo64 Disp32S makes no sense
>> - non-64-bit lgdt doesn't allow 10-byte operands
> Another thing I've been thinking of, which I believe would greatly
> improve readability of opcodes/i386-opc.tbl, is to remove the
> various No_*Suf specifications when an instruction doesn't allow
> any suffix: Since no instruction will possibly allow for every one of
> them, i386-gen could easily be made set all 6 bits when none of
> them got set by parsing of the input. Thoughts?
I don't mind replacing all those No_*Suf with something close
to what spec says.