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Re: Several regressions and we branch soon.
- From: "Ulrich Weigand" <uweigand at de dot ibm dot com>
- To: arnez at linux dot vnet dot ibm dot com (Andreas Arnez)
- Cc: qiyaoltc at gmail dot com (Yao Qi), dje at google dot com (Doug Evans), brobecker at adacore dot com (Joel Brobecker), gdb-patches at sourceware dot org (gdb-patches)
- Date: Fri, 10 Jul 2015 18:23:32 +0200 (CEST)
- Subject: Re: Several regressions and we branch soon.
- Authentication-results: sourceware.org; auth=none
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