From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BB2BA3858D26; Wed, 22 May 2024 08:22:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BB2BA3858D26 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1716366139; bh=xHwyv9Nbuen4LpaWMhEW6QOm7kZmh9+CVILGpCsIUZs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=qA50BqM2DmgRX75IUpM8wxd27iYW3YCYgHfrXpMA8DfsYXhiFCWpKhF04SPbTCNJ3 dbvM1AURNTNXSNpTy/QJf6GSgp1dqHucQfaUlvh/95oVzXt+Ac+jsRmQmJ436KuJ9X obp6lSbH/qC6NBGMP+gXmFAJhMayiejUU8A1G6JM= From: "amonakov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/115161] [15 Regression] highway-1.0.7 miscompilation of some SSE2 intrinsics Date: Wed, 22 May 2024 08:22:17 +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: 15.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: amonakov at gcc dot gnu.org 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: 15.0 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=3D115161 --- Comment #18 from Alexander Monakov --- No, allowing value-changing transformations under -ftrapping-math is really= not appropriate. Invoking the intrinsic on a large floating-point value is not = UB.=