Extension elimination pass breaks SPU (Fw: spu gcc-4.5 linaro build failure)
Ulrich.Weigand at de.ibm.com
Wed Dec 22 15:31:32 UTC 2010
Ulrich Weigand/Germany/IBM wrote on 12/20/2010 06:01:21 PM:
> Mark Mitchell <mark at codesourcery.com> wrote:
> > On 12/20/2010 8:35 AM, Ulrich Weigand wrote:
> > > Now, I guess there's two ways forward: either the outcome of the
> > > discussions on gcc-patches is that it is in fact not a good idea to
> > > generate such sets, and the EE pass is subsequently rewritten to
> > > them; or else, if those instructions are considered valid, I'll have
> > > extend the SPU move expander to handle them. Thoughts?
> > I haven't participated in the upstream discussion -- I'm way behind on
> > that list :-( :-( -- but I think such sets should be considered valid.
> OK, I'll have a look at fixing the SPU back-end then.
I've now fixed this problem in the back-end upstream:
I've also created a back-port to Linaro GCC 4.5 and proposed the
branch for merge; you can find the details at:
Mit freundlichen Gruessen / Best Regards
Dr. Ulrich Weigand | Phone: +49-7031/16-3727
STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.
IBM Deutschland Research & Development GmbH
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