From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9EAC0385DC13; Fri, 7 Jul 2023 20:00:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9EAC0385DC13 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688760020; bh=ljRtjz4If5NkB3a+PaR/A3wVwtJ1fZcK8uNL9io1ysc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=kIg+9UsyYz5G1iq//2Cr6TadWSQUGGv66t3FZmEeiHJ3Zpm2KHjPx+o9fVm9lFWqQ v1pnhR9Uqa4MMR0HeUj42jT3t4viezetUrZ0VKfLlcVlDhHAo98hwOrtlWI2hgvuhE zIarTyn14hsArzc0gxFZRbTc0yVPwS5toZ7J4ono= From: "roger at nextmovesoftware dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/91681] Missed optimization for 128 bit arithmetic operations Date: Fri, 07 Jul 2023 20:00:20 +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: 10.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: roger at nextmovesoftware dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: roger at nextmovesoftware dot com X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status assigned_to 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=3D91681 Roger Sayle changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |roger at nextmoveso= ftware dot com CC| |roger at nextmovesoftware = dot com --- Comment #4 from Roger Sayle --- Advance warning, the testcase pr91681-1.c will start FAILing (temporarily) = due to changes/improvements in __int128 parameter passing, as explained in https://gcc.gnu.org/pipermail/gcc-patches/2023-July/623756.html Easily fixed by additional define_insn_and_split patterns which I'll submit soon.=