From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 530CA385B528; Thu, 6 Jul 2023 21:38:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 530CA385B528 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688679526; bh=6x92x7c9yWjXBRxcvYxcRE++IBLTXfZFTaLxYJiRbio=; h=From:To:Subject:Date:In-Reply-To:References:From; b=H/nr8uPlUuG08B3E/bb61F8ITmDpLC2pQreY6A5PP0d+9TiFWyoqtw6c3T0W75n79 6Bghdy2fOFTo0QRXzlIul8ISA6pLdYcfBRYzjBVyxkOCWWRQjt7N7Gegr1z5nQd4DO CmHGtk6BexDcc/Fx1ODGs9u8x+mfC7ETN+F+2aMM= From: "anlauf at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/110311] [14 Regression] regression in tree-optimizer Date: Thu, 06 Jul 2023 21:38:45 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: anlauf at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 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=3D110311 --- Comment #48 from anlauf at gcc dot gnu.org --- (In reply to anlauf from comment #47) > However, when I use -O2 together with an -march=3D flag, the code works. > I've tested -march=3Dsandybridge, -march=3Dhaswell, -march=3Dskylake, > -march=3Dnative. > It FPEs without. And it FPEs with core2,nehalem,westmere! Next I tried: -march=3Dsandybridge -mno-avx # FPE! -march=3Dsandybridge # OK.=