From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7DE5F385ED69; Tue, 7 May 2024 10:28:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7DE5F385ED69 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1715077709; bh=TCn2KaqL3muPyvJjopEAQ6j5T90UtpRFjl172KgloP0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=bRQbwDvjuTlnMNy27MSUtkClZTGfTMNeASMu9sRKNaniRpMfZ38JsCjmi0hku7eiO ykWOV/o8Bp4d2GLlawWFsMHk/DLU2LiBo/6VS//gDtztZCJkWjhSTy2m7Cr/kn/kSh y6HHnCK3vLKd2vyATgi4L0waJf4/SGKDoBnjUMQg= From: "mkretz at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/114966] fails to optimize avx2 in-register permute written with std::experimental::simd Date: Tue, 07 May 2024 10:28:29 +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: missed-optimization, needs-bisection X-Bugzilla-Severity: normal X-Bugzilla-Who: mkretz 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: --- 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=3D114966 --- Comment #4 from Matthias Kretz (Vir) --- I'm fairly sure it's not the same source anymore. I'll try to understand wh= ere it goes wrong in the library, because the vector_t{0, data[0], data[1], data[2]} expression is still optimized as expected.=