From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0A1DB3858D39; Wed, 8 Feb 2023 19:30:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0A1DB3858D39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675884623; bh=V93eDs/i1L+wNo+UAQ0MVCmylJ2TedAHVwCDn/dKCZY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=eOcw4pTvNEBQvOjTkMkDFEmezy6Z1eFI+GL1A9ex4BMPLqYeCVYI4Whq+ZL/mBZn2 7oesqn71xvL10HkDfnJPJpM/XBRTUTKLi08SPRjLe7M5NB8iPF/vXfTzKu1qCu3Pau zUgYLiJfuaT1raSE3il2ye/tCxdKSpgGDJ0YNu+I= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108724] Poor codegen when summing two arrays without AVX or SSE Date: Wed, 08 Feb 2023 19:30:22 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia 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: keywords short_desc component 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=3D108724 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Summary|[11 regression] Poor |Poor codegen when summing |codegen when summing two |two arrays without AVX or |arrays without AVX or SSE |SSE Component|target |tree-optimization --- Comment #1 from Andrew Pinski --- I noticed that on aarch64, with -mgeneral-regs-only, the problem of trying = to do a vectorization has been there since at least GCC 5 ...=