[PATCH] D13142: [PowerPC] Replace cntlz[.] with cntlzw[.]

[Bill Wendling via llvm-commits]

Unfortunately, I only vaguely recall this patch. Is there a reason not to
have support for both? I don't think we support POWER in LLVM though (I
could be wrong there) ... You may need to ask one of the ppc experts here.

On Fri, Sep 25, 2015, 5:46 AM Hal Finkel <hfinkel at anl.gov> wrote:

> [+David Fang; maybe you can comment on Darwin]
>
> ----- Original Message -----
> > From: hfinkel at anl.gov
> > To: tom at bumblecow.com, isanbard at gmail.com, hfinkel at anl.gov
> > Cc: llvm-commits at lists.llvm.org
> > Sent: Friday, September 25, 2015 7:44:12 AM
> > Subject: Re: [PATCH] D13142:  [PowerPC] Replace cntlz[.] with cntlzw[.]
> >
> > hfinkel added a comment.
> >
> > I think this is fine, although given that we've accepted the older
> > form for a long time (and it was apparently in use, at least on some
> > older Darwin systems), we should be kind to our users and continue
> > to accept it as an alias. Please add the InstAlias defs and
> > associated parsing tests (set InstAlias's Emit parameter to 0).
> >
> > Also, as best I can tell from
> > https://llvm.org/bugs/show_bug.cgi?id=1095 and
> >
> http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20070115/042738.html
> ,
> > Darwin also wanted the newer mnemonic spelling. This is confusing,
> > given that we have old tests specifically for the old form. Bill, if
> > you can remember from that long ago, can you comment on what we
> > should do here for Darwin?
> >
> >
> > http://reviews.llvm.org/D13142
> >
> >
> >
> >
>
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150925/af1dae16/attachment.html>