[llvm-commits] [PATCH] Adding v*i1 MVTs

Hal Finkel hfinkel at anl.gov
Fri Aug 3 14:03:36 PDT 2012


On Fri, 03 Aug 2012 13:50:26 -0700
Chris Lattner <clattner at apple.com> wrote:

> 
> On Aug 3, 2012, at 12:45 PM, Hal Finkel <hfinkel at anl.gov> wrote:
> 
> > Please review the attached patch which adds v*i1 MVTs. I need these
> > for properly representing the output of vectorized selects and
> > boolean operations on the BG/Q supercomputer (v4i1 specifically).
> > As others have also expressed an interest in these, and in the name
> > of limiting the number of renumbering patches, this patch adds v2i1
> > through v64i1.
> > 
> > Heikki, will this meet your needs as well?
> > 
> > Micah, this patch obviously affects the same renumbering as your <2
> > x [i8|i16]> patch. Maybe we should combine them?
> 
> I'm not opposed to this, but please only add the specific VTs you
> need.  We don't want to preemptively add dead code.

Fair enough.

Heikki had specifically mentioned wanting v2 through v16i1. I can
certainly stick to those (or I can just add v4i1, which I need, and
let the TCE folks propose their own patch).

Thanks again,
Hal

> 
> -Chris



-- 
Hal Finkel
Postdoctoral Appointee
Leadership Computing Facility
Argonne National Laboratory



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