From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1B3173858C78; Mon, 31 Jul 2023 07:58:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1B3173858C78 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690790324; bh=O05g05E6PxS/s471QaVrLFCVu1ftIeQ/+uUoB2tZwVo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=h40mJjVmZJdZNlJR9kwdaOb9vM8jGVxqcxc6GnIDcsCukMDobLgbmkbUbtROpOBpI 7wPDzSHxLKYLfBoeoEd+0gjJEV+GL/UOP6SLiVtWvAC0pm3kIIpbTIiKCWnDS4F0S1 j7/bpblPWZvfrfVNJr4xMk7ot64dpHYegGuwFd24= From: "crazylht at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/81904] FMA and addsub instructions Date: Mon, 31 Jul 2023 07:58:43 +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: 8.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: crazylht at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: 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: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D81904 --- Comment #7 from Hongtao.liu --- >=20 > to .VEC_ADDSUB possibly loses exceptions (the vectorizer now directly > creates .VEC_ADDSUB when possible). Let's put it under -fno-trapping-math.=