From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id F03173858C5E; Tue, 14 Mar 2023 20:29:13 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F03173858C5E
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1678825753;
	bh=RRdbB/2cHYLuYza6YTBZP0HVX/0F+R10J3s4HO94FRE=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=L/86H8uZ3rUMKMHQb6y0g2kEmjEse60H0vzgKVNcMLu1shX/A9FjTGkhMcFuHHd+9
	 eaeM8fw/AOjkBRnkJVxImKAmyAcCuPgpFmBIttb7rTJ03dtfyX6ZeVnmBfOJw7Qedf
	 a0k9ubGvwDEziQEW4ku/+lHyDl/K6k0l8S9JGwj8=
From: "muecker at gwdg dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/109132] Apple M1 floating point bug when optimizing
Date: Tue, 14 Mar 2023 20:29:13 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 12.2.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: muecker at gwdg dot de
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: INVALID
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-109132-4-gGG3ISZuaF@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109132-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109132-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109132

--- Comment #4 from Martin Uecker <muecker at gwdg dot de> ---
Seems you are right. Thanks!=20

I get it for gcc-10 but not gcc-12 with -mfma on x86.

Apparently, WG14 made a change at some point to allow this.  But GCC does n=
ot=20
implement the pragma to turn it off...=