On Wed, Nov 18, 2020 at 01:27:12PM -0600, Segher Boessenkool wrote:
> Hi!
>
> On Sun, Nov 15, 2020 at 12:23:50PM -0500, Michael Meissner wrote:
> > --- a/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c
> > +++ b/gcc/testsuite/c-c++-common/dfp/convert-bfp-11.c
> > @@ -1,4 +1,5 @@
> > /* { dg-skip-if "" { ! "powerpc*-*-linux*" } } */
> > +/* { dg-require-effective-target ppc_long_double_ibm } */
>
> You can remove the dg-skip-if then (there is nothing in this test that
> requires Linux). But you want a
> /* { dg-require-effective-target dfp } */
> (or dfprt).
>
> So what happens if you use IEEE QP float, instead? You didn't explain.
> (Explain in the source code, with a comment where you require it!)
The test fails because QP doesn't produce the exact value that is looked for.
Given all of the comments in the source explicitly say it is testing IBM
extended double, I just decided we could not support the test wth IEEE
128-bit.
--
Michael Meissner, IBM
IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA
email: meiss...@linux.ibm.com, phone: +1 (978) 899-4797
