Re: Several regressions and we branch soon.

Ulrich Weigand
2015-07-10T16:23:41Z

Andreas Arnez wrote:
> On Fri, Jul 10 2015, Yao Qi wrote:

> GCC5 on ppc64le emits the ABI warning even in absence of "-mcpu=".
> Again it should help to add "-Wno-psabi".

Yes, for ppc64 we definitely should add -Wno-psabi.

> Yes. But in this case no vector ABI is used, because that test machine
> does not have a vector facility and because -march=native is not
> supported by GCC (yet). Thus vector return values are not passed in
> vector registers, but according to RETURN_VALUE_STRUCT_CONVENTION. And
> then we hit the problem that displaying such return values is not
> supported by GDB: https://sourceware.org/bugzilla/show_bug.cgi?id=8549

Hmm. Since this is a separate problem independent of vector support,
maybe this test case should accept the failure to display struct return
values, and pass the test (or maybe KFAIL?).

Bye,
Ulrich

--
Dr. Ulrich Weigand
GNU/Linux compilers and toolchain
Ulrich.Weigand@de.ibm.com