From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B102338582A0; Wed, 13 Dec 2023 01:26:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B102338582A0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1702430812; bh=PHYo+VKhXJDEkFmfjmL4poaqbFRaQazaNS5gvGQDVbE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mB/BHDpSnRBZZiF+G2KHgSyuRCNAqJwj1jlVuc14oIigPG0fiO8ZkAQmDf7rf9H2V OZhl5jeW8lpRt/6sp9Zz8iLktyyU4Ysug8FaYREuLx+6kbrfigcldoRlZdFmf6QePX CtA4FZ8PaF4yipdZp/mXgEDGRBX9xIcHh/sVDNWc= From: "liuhongt at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/112992] Inefficient vector initialization using vec_duplicate/broadcast Date: Wed, 13 Dec 2023 01:26:52 +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: unknown X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: liuhongt 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=3D112992 --- Comment #4 from Hongtao Liu --- (In reply to Hongtao Liu from comment #3) > I think we need to also guard SImode and DImode case under AVX2 when > MODE_SIZE=3D=3D256. Since there's vbroadcastss only support m alternative under avx=