From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C3680388B00E; Mon, 1 Jun 2020 09:48:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C3680388B00E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1591004936; bh=u7CBEihS9HKQ02J9O4LUYh8Vj2lpcGxaqzZa6RaBMMU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=m4IUU17SU9d+j+NF7c1oh+n72DmieSBDbZTL1y5ZX5BC6+nqpy1I5wXAQisqgNe1m IrviLb6WHkD38XgWgWpqpExc0ryz1ukoWjkWcr9A/GGTTs8Plv4BALtDHf9gUr05o0 Qko56rUUPdAhXBuvnqGtGbf/bfIV1eMs9JC+FBjE= From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/95435] bad builtin memcpy performance with znver1/znver2 and 32bit Date: Mon, 01 Jun 2020 09:48:56 +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: 10.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: marxin at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Jun 2020 09:48:56 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95435 Uro=C5=A1 Bizjak changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hjl.tools at gmail dot com --- Comment #7 from Uro=C5=A1 Bizjak --- I think that stringops (including memcmp) for x86 targets should be retuned= for new glibc, once [1] is approved and committed. Please note that currently bench-stringop doesn't benchmark memcmp. [1] https://gcc.gnu.org/pipermail/gcc-patches/2020-May/546919.html=