Hi!
On Thu, Jun 17, 2021 at 03:18:48PM -0400, Michael Meissner wrote:
> > The actual insns only check TARGET_POWER10 (so no TARGET_FLOAT128_HW).
> > Which is right, this or that?
>
> It should include TARGET_FLOAT128_HW.
Okay, so fix that :-)
> The problem area is a power10 running in
> big endian mode and running 32-bit code. Because we don't have TImode, we
> can't enable the IEEE 128-bit hardware instructions.
I don't see why not?
> > > +/* { dg-require-effective-target ppc_float128_hw } */
> > > +/* { dg-require-effective-target power10_ok } */
> > > +/* { dg-options "-mdejagnu-cpu=power10 -O2 -ffast-math" } */
> >
> > In testcases we can assume that float128_hw is set whenever we have a
> > p10; we don't manually disable it to make live hard for ourselves ;-)
>
> Again, I put it in case somebody builds a BE power10 compiler.
This should still be fixed. And yes, people do test BE p10, of course.
And BE p10 *should* enable the QP float insns. Does it not currently?
Segher
