From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 95C1D3858D28; Wed, 28 Sep 2022 20:50:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 95C1D3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664398259; bh=rdXsnq7oIZA4qAHa1U3Vgn+Zu67rtXPSwIcM0qwSSH8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=A4lYIXGLHs/tLTrFsjTa7jKr6CXlCTtGhTNX6sLsJLPDBVElpP6mUz6uH4SqwrzEC Wkzv446eui0fzxerQT6AIih/OW/qHSFzdW2roOS+izZOEkhEAaW/iQpFTltR9yKJAD l3OYXcxlDqZllKNKRC5b9TTGe9z5nEULFbg8MGaY= From: "tommy_murphy at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/64215] -Os misses an opportunity to merge two ret instructions Date: Wed, 28 Sep 2022 20:50:58 +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: 4.8.2 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: tommy_murphy at hotmail dot com X-Bugzilla-Status: NEW 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: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D64215 Tommy Murphy changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tommy_murphy at hotmail do= t com --- Comment #2 from Tommy Murphy --- FWIW this issue was also noticed in the context of the RISC-V GCC toolchain: https://github.com/riscv-collab/riscv-gnu-toolchain/issues/1048=