[PATCH] D28688: MC: Introduce the ABS8 symbol modifier.

[Peter Collingbourne via llvm-commits]

On Mon, Jan 30, 2017 at 11:01 AM, Rafael Avila de Espindola <
rafael.espindola at gmail.com> wrote:

> Peter Collingbourne <peter at pcc.me.uk> writes:
>
> > On Mon, Jan 30, 2017 at 10:41 AM, Rafael Avila de Espindola <
> > rafael.espindola at gmail.com> wrote:
> >
> >> Peter Collingbourne <peter at pcc.me.uk> writes:
> >>
> >> > That instruction doesn't have the right semantics. I need to be able
> to
> >> > express a 32-bit (or 64-bit) comparison where the 8-bit operand is
> sign
> >> > extended. See the test case.
> >>
> >> I see. Could you add that to the extension documentation?
> >>
> >
> > I already did, see llvm/docs/Extensions.rst.
>
> I mean the note as to why this is not the same as using a cmpb.
>

I see, done.

Thanks,
-- 
-- 
Peter
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