From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4FC703858D3C; Thu, 5 May 2022 08:14:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4FC703858D3C From: "sebastian-gcc at sipsolutions dot net" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/105480] Vectorized `isnan` appears to trigger FPE on ppc64le Date: Thu, 05 May 2022 08:14:18 +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: 11.2.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: sebastian-gcc at sipsolutions dot net 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: --- 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 May 2022 08:14:18 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105480 --- Comment #2 from seberg --- I still owed the correct example: https://godbolt.org/z/33Pj6xvPr Now I think the cause is the indeed (somewhat understandandable) desire to optimize away the branching. And not the instruction (I am not sure how the comparison instruction deals with trapping, so it could be both).=