From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 75C1E3858C3A; Tue, 8 Nov 2022 03:33:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 75C1E3858C3A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1667878383; bh=WYmm2wm8zEScdS5KCPXTOI0eiK6hAE9zPyRrmCw9hv4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=GCaTh+sKoGzIXIs66Frq+00b+615S9g7cgnDHxC83NLbcjO5ja7vvFLqBWVT2hNvx +t0kKvo0Eit1HZqZHcVEtHbtmwzChLMPKSs5R/130YA1EXPg4VqlktdmoFD/yvVse8 Nd0EwIsqAeTJW1S7pnBPPoT/HJnTACF9esUGP52U= From: "crazylht at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107563] __builtin_shufflevector fails to pshufd instructions under default x86_64 compilation toggle which is the sse2 one Date: Tue, 08 Nov 2022 03:33:03 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: crazylht at gmail dot com 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=3D107563 --- Comment #6 from Hongtao.liu --- Shufd only handles void foo1(temp_vec_type& v) noexcept { v=3D__builtin_shufflevector(v,v,12,13,14,15,8,9,10,11,4,5,6,7,0,1,2= ,3); } Not the case in #c0.=