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Re: [PATCH, rs6000] Fix PR85755: PowerPC Gcc's -mupdate produces inefficient code


On Fri, Jun 08, 2018 at 12:07:34PM -0500, Peter Bergner wrote:
> On 6/8/18 11:21 AM, Segher Boessenkool wrote:
> > On Fri, Jun 08, 2018 at 10:35:22AM -0500, Peter Bergner wrote:
> >> +/* { dg-final { scan-assembler-times {\mstdu\M} 2 } } */
> >> +/* { dg-final { scan-assembler-not {\mstfdu\M} } } */
> > 
> > Does this need p8 at all?  Would it be better to just test without -mcpu=,
> > on just whatever default cpu is thrown at it?  p8 is default for powerpc64le
> > so it will get plenty coverage.
> > 
> > You do need an lp64 target btw.
> 
> I guess I was just following what was reported in the bugzilla, but you
> are correct, we don't need -mcpu=power8.  How about the following?

Looks perfect, thanks!


Segher


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