public inbox for libstdc++-cvs@sourceware.org
help / color / mirror / Atom feed
From: Matthias Kretz <mkretz@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org
Subject: [gcc r12-9306] libstdc++: Use more precise __RECIPROCAL_MATH__ macro
Date: Tue, 21 Mar 2023 19:39:21 +0000 (GMT)	[thread overview]
Message-ID: <20230321193921.8D47D3858C66@sourceware.org> (raw)

https://gcc.gnu.org/g:c152c936123c0fd854b63b6cf6964aa3c96086b4

commit r12-9306-gc152c936123c0fd854b63b6cf6964aa3c96086b4
Author: Matthias Kretz <m.kretz@gsi.de>
Date:   Tue Mar 21 17:40:21 2023 +0100

    libstdc++: Use more precise __RECIPROCAL_MATH__ macro
    
    Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
    
    libstdc++-v3/ChangeLog:
    
            * include/experimental/bits/simd_x86.h
            (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
            with __RECIPROCAL_MATH__.
    
    (cherry picked from commit fac64bf456cf56f0c6309d21286b7eaf170f668e)

Diff:
---
 libstdc++-v3/include/experimental/bits/simd_x86.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/experimental/bits/simd_x86.h b/libstdc++-v3/include/experimental/bits/simd_x86.h
index 53e886c5136..35702464608 100644
--- a/libstdc++-v3/include/experimental/bits/simd_x86.h
+++ b/libstdc++-v3/include/experimental/bits/simd_x86.h
@@ -1422,7 +1422,7 @@ template <typename _Abi, typename>
 		},
 		[&__xf,
 		 &__yf](auto __i) -> _SimdWrapper<_Float, __n_intermediate> {
-#if __GCC_IEC_559 == 0
+#if __RECIPROCAL_MATH__
 		  // If -freciprocal-math is active, using the `/` operator is
 		  // incorrect because it may be translated to an imprecise
 		  // multiplication with reciprocal. We need to use inline

                 reply	other threads:[~2023-03-21 19:39 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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=20230321193921.8D47D3858C66@sourceware.org \
    --to=mkretz@gcc.gnu.org \
    --cc=gcc-cvs@gcc.gnu.org \
    --cc=libstdc++-cvs@gcc.gnu.org \
    /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).