From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 49A64385841C; Fri, 19 Jan 2024 21:41:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 49A64385841C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705700498; bh=FFb9oKXnZcro3MPAsx072C00a11OLM3Og6CvH/Bo/QM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=yH6/OGGpVsHp2BDTxrnCRru89gUAOb7P42FtMDlF5eb7GdaM5pmt/1BJYtarXm94/ T4HYD15ZC8NGtlI1ea14/NRAvwhFCrZr4cZOhOU2TLTacGF83/06DWqBiZIE/2cFUs wC5p8zLwHQ4U30UxFaGWgBI08MO1I0WO6PNaJMuI= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113458] Missed SLP for reduction of multiplication/addition with promotion Date: Fri, 19 Jan 2024 21:41:37 +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: 14.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia 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=3D113458 --- Comment #7 from Andrew Pinski --- I have a patch which implements V4QI for many operations (extends and widden_sum) (though I need to fix the cost model). I am able to get: ``` sshll v30.4h, v30.8b, #0 smull v31.4s, v31.4h, v30.4h addv s31, v31.4s ``` But the load is still using inserts and tbl. I have not figured out why tho= ugh.=