Groups > linux.kernel > #1193662

Re: ASM flags in general

From	"H. Peter Anvin" <hpa@zytor.com>
Newsgroups	linux.kernel
Subject	Re: ASM flags in general
Date	2015-07-28 02:40 +0200
Message-ID	<pR162-1pr-3@gated-at.bofh.it> (permalink)
References	(6 earlier) <pR09Z-8vE-45@gated-at.bofh.it> <pR0tj-r2-9@gated-at.bofh.it> <pR0tj-r2-7@gated-at.bofh.it> <pR0tk-r2-13@gated-at.bofh.it> <pR0tk-r2-17@gated-at.bofh.it>
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However... perhaps we can do the flags stuff first?  There are certainly a ton of changes we ought to do.

On July 27, 2015 4:58:29 PM PDT, Andy Lutomirski <luto@amacapital.net> wrote:
>On Mon, Jul 27, 2015 at 4:56 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> Sure... but now you have to wrap things in stac/clac.  I'm not sure I
>see the point since the code is already pretty much optimal.
>
>Ick.  I forgot about that.
>
>It would benefit all the users who aren't using the _ex functions,
>though.  And, if there are enough of those, it just might be worth
>trying to postprocess object files to collapse adjacent stac and clac
>instances, or just to teach the alternatives code to nop them out if
>they're redundant.
>
>--Andy

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Thread

Re: ASM flags in general Andy Lutomirski <luto@amacapital.net> - 2015-07-28 00:50 +0200
  Re: ASM flags in general Andy Lutomirski <luto@amacapital.net> - 2015-07-28 01:40 +0200
    Re: ASM flags in general "H. Peter Anvin" <hpa@zytor.com> - 2015-07-28 02:00 +0200
      Re: ASM flags in general Andy Lutomirski <luto@amacapital.net> - 2015-07-28 02:00 +0200
        Re: ASM flags in general "H. Peter Anvin" <hpa@zytor.com> - 2015-07-28 02:10 +0200
        Re: ASM flags in general "H. Peter Anvin" <hpa@zytor.com> - 2015-07-28 02:40 +0200
          Re: ASM flags in general Andy Lutomirski <luto@amacapital.net> - 2015-07-28 02:50 +0200
    Re: ASM flags in general Andy Lutomirski <luto@amacapital.net> - 2015-07-28 02:00 +0200

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