From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 497D33858C2A; Tue, 1 Aug 2023 09:45:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 497D33858C2A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690883130; bh=10CtI9mV11nIM0LGdqiZD7RWgEp97okyRYV7vwM/BQE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=VGtyj/z5Rd+nhmtdPt5CwQF3FgCQIJ1zdxM0YoTXOQnVDysBpXoDMDWelZ+cJPVk/ GdF+SZPVHT9u9nvZeKK+0xWlmmS19lM0VENSZ85IhV02a+olHLVylWA82tGHH4rxE/ +qPwSns6k/g3gK3eTbzHHZwltEFodlqgGHx02omI= From: "hliu at amperecomputing dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110625] [AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large Date: Tue, 01 Aug 2023 09:45:29 +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: normal X-Bugzilla-Who: hliu at amperecomputing dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rsandifo 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=3D110625 --- Comment #15 from Hao Liu --- Ah, I see. I've sent out a quick fix patch for code review. I'll investigate more abo= ut this and find out the root cause.=