Wrong PR # in subject.
On Thu, Apr 22, 2021 at 7:11 AM Jakub Jelinek via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> Hi!
>
> gcc on ia32 miscompiles various atomics involving floating point,
> unfortunately I'm afraid it is too late to fix that for 11.1 and
> as I'm quite lost on it, it might take a while for 12 too
> (disabling all the 8 peephole2s would be easiest, but then we'd
> run into optimization regressions).
>
> While 1.cc just FAILs, with dejagnu 1.6.1 wait_notify.cc hangs the
> make check even after the timeout fires. The following patch therefore
> xfails the former and skips the latter.
>
> Tested on x86_64-linux where
> make check RUNTESTFLAGS='conformance.exp=atomic_float/*.cc'
> is still
> === libstdc++ Summary ===
>
> # of expected passes 8
> and on i686-linux, where it is now
> === libstdc++ Summary ===
>
> # of expected passes 5
> # of expected failures 1
> # of unsupported tests 1
>
> Ok for trunk/11.1 ?
>
> 2021-04-22 Jakub Jelinek <ja...@redhat.com>
>
> PR target/100182
> * testsuite/29_atomics_atomic_float/1.cc: Add dg-xfail-run-if for
> ia32.
> * testsuite/29_atomics/atomic_float/wait_notify.cc: Add dg-skip-if for
> ia32.
>
> --- libstdc++-v3/testsuite/29_atomics/atomic_float/1.cc.jj 2021-01-05
> 00:13:58.552294301 +0100
> +++ libstdc++-v3/testsuite/29_atomics/atomic_float/1.cc 2021-04-22
> 14:29:19.778374653 +0200
> @@ -18,6 +18,7 @@
> // { dg-add-options ieee }
> // { dg-options "-std=gnu++2a" }
> // { dg-do run { target c++2a } }
> +// { dg-xfail-run-if "PR100182" { ia32 } }
>
> #include <atomic>
> #include <testsuite_hooks.h>
> --- libstdc++-v3/testsuite/29_atomics/atomic_float/wait_notify.cc.jj
> 2021-04-20 23:46:09.214189796 +0200
> +++ libstdc++-v3/testsuite/29_atomics/atomic_float/wait_notify.cc
> 2021-04-22 14:28:19.793044944 +0200
> @@ -2,6 +2,7 @@
> // { dg-do run { target c++2a } }
> // { dg-require-gthreads "" }
> // { dg-additional-options "-pthread" { target pthread } }
> +// { dg-skip-if "PR100182" { ia32 } }
> // { dg-add-options libatomic }
>
> // Copyright (C) 2020-2021 Free Software Foundation, Inc.
>
> Jakub
>
--
H.J.
