On Tue, Aug 20, 2019 at 11:35:29AM +0100, Peter Maydell wrote: > On Tue, 20 Aug 2019 at 08:36, David Gibson <[email protected]> > wrote: > > On Mon, Aug 19, 2019 at 12:13:34PM -0500, Paul Clarke wrote: > > > These issues were found while running Glibc's test suite for "math", > > > and there are still a *LOT* of QEMU-only FAILs, so I may be back > > > again with suggested fixes or questions. :-) > > > > That doesn't greatly surprise me, TCG's ppc target stuff is only so-so > > tested, TBH. > > You might also consider using/extending the risu test cases for > ppc64 -- individual checks of each insn against a known-good > implementation can be easier to track down bugs than trying > to figure out why a higher-level test suite like the glibc one > has reported a failure, IME. (There are already risu patterns > for XSCVDPSP and XSCVDPSPN, so I think that bug at least ought > to be found by risu if you run it against the right h/w as > known-good reference...)
Oh, I'd love to. I tried running risu once, it failed cryptically and
I haven't had time to investigate deeper.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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