From: Jonathan Wakely <jwakely@redhat.com>
To: Matthias Kretz <m.kretz@gsi.de>
Cc: gcc Patches <gcc-patches@gcc.gnu.org>,
"libstdc++" <libstdc++@gcc.gnu.org>
Subject: Re: [PATCH] libstdc++: Don't fail if math_errhandling is not defined
Date: Mon, 17 Jan 2022 10:23:42 +0000 [thread overview]
Message-ID: <CACb0b4kjXoQ3-BSzAoBbEvTD4YApW=s8eM8CswkV4nchZ4OPjg@mail.gmail.com> (raw)
In-Reply-To: <8121446.T7Z3S40VBb@minbar>
On Mon, 17 Jan 2022 at 10:22, Matthias Kretz <m.kretz@gsi.de> wrote:
> Tested on x86_64-linux and powerpc64le-linux. This fixes the
> powerpc64le-linux
> failure Jonathan reported. OK for trunk?
>
OK, thanks.
>
> Older glibc does not define math_errhandling with -ffast-math, in which
> case floating-point exceptions are not used.
>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
> * include/experimental/bits/simd.h (__floating_point_flags): Do
> not rely on the presence of the math_errhandling macro.
> ---
> libstdc++-v3/include/experimental/bits/simd.h | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
>
> --
> ──────────────────────────────────────────────────────────────────────────
> Dr. Matthias Kretz https://mattkretz.github.io
> GSI Helmholtz Centre for Heavy Ion Research https://gsi.de
> stdₓ::simd
> ──────────────────────────────────────────────────────────────────────────
prev parent reply other threads:[~2022-01-17 10:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-17 10:21 Matthias Kretz
2022-01-17 10:23 ` Jonathan Wakely [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CACb0b4kjXoQ3-BSzAoBbEvTD4YApW=s8eM8CswkV4nchZ4OPjg@mail.gmail.com' \
--to=jwakely@redhat.com \
--cc=gcc-patches@gcc.gnu.org \
--cc=libstdc++@gcc.gnu.org \
--cc=m.kretz@gsi.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).