[PATCH] D28688: MC: Introduce the ABS8 symbol modifier.
Peter Collingbourne via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 30 11:40:08 PST 2017
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
> >> > express a 32-bit (or 64-bit) comparison where the 8-bit operand is
> >> > 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.
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