From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 104513858D35; Sat, 6 Jan 2024 23:53:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 104513858D35 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704585235; bh=iXbADZzz3WBGU1kGZLuaBV+OJ5XctUZoL7MtNGdzMLw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ShlW8PFL6Tg91gew3qkuzLUo/IYi0tC0Cgp0mo7Q8ZevuBAulNHzhFC5dT57mgLG3 FXu8710jcQjJ+goLgUhkocRgFSq4uVPOSEDSblFAUzpa23dSux2opfe8dNYzH0ixYz /KrOHBtiOerMNWLcTuQt5bWwfmidzHOkjyHRVfIU= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113255] [11/12/13/14 Regression] wrong code with -O2 -mtune=k8 Date: Sat, 06 Jan 2024 23:53:54 +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: 13.2.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org 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: 11.5 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: target_milestone cf_known_to_fail cf_reconfirmed_on cf_known_to_work component everconfirmed short_desc bug_status 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=3D113255 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |11.5 Known to fail| |10.2.0 Last reconfirmed| |2024-01-06 Known to work| |10.1.0 Component|c |target Ever confirmed|0 |1 Summary|wrong code with -O2 |[11/12/13/14 Regression] |-mtune=3Dk8 |wrong code with -O2 | |-mtune=3Dk8 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski --- Confirmed. This looks to be a target issue. `-O2 -mtune=3Dk8 -mstringop-strategy=3Dlibcall` works but `-O2 -mtune=3Dk8 -mstringop-strategy=3Drep_8byte` does not.=