From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id EA3AE3858D37; Tue, 7 May 2024 15:14:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EA3AE3858D37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1715094863; bh=IaG+Nugwnf6f6e9g6d4H4Kbqrll3uK1gSU4ah0rfNQY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=hXsfOWvtjA91kTGsBhrkHt15CiU5JqBO5r74DUJy1QA6tzdyTi0yzUBbYQ0WWoZxj yWaxMMUHVO5+ggmRl3tFXD6f1LPAGj+Gvgjvyz7BJfdBADluqIHg4uOlVj/Y/OQSr+ c8WjBizRfzJUEWwfR68iVmcLy0S1UZXTSrNOfvq4= From: "gjl at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/114835] AVR popcountqi2 is not fast&small as can be Date: Tue, 07 May 2024 15:14:23 +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: 13.2.1 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: gjl at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED 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=3D114835 --- Comment #3 from Georg-Johann Lay --- (In reply to Wolfgang Hospital from comment #0) > When establishing the "popcount" of an uint8_t, I've seen GCC to widen the > value to "half int" and use __popcountqi2 twice. This is a different issue, please f'up PR114975.=