From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 722C33858D38; Fri, 8 Mar 2024 14:42:19 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 722C33858D38 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709908939; bh=h+zkYfn47aGnOCaKwNAQtlGoah9aM1Uu8s9GlqzApi4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=kY8N6b8ZxyXdZRXM3a6LF0qbCFIjclrtrP8kkQrapmJQvJZxRw1lh283VcW136BY+ NWht6Dtvr3FwrPQ0oSRuaQ3RxsAWpLcF3KbAAWDJkfHbVPHh03ujF+ZF/fM++AX6yC Z2Gbg8luHdSiRWfRVYKwgsBtnUEhfWfi/zc8YCoA= From: "rdapp at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/112548] [14 regression] 5% exec time regression in 429.mcf on AMD zen4 CPU (since r14-5076-g01c18f58d37865) Date: Fri, 08 Mar 2024 14:42:18 +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: 14.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: rdapp at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 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=3D112548 --- Comment #7 from Robin Dapp --- I built executables with and without the commit (-Ofast -march=3Dznver4 -fl= to).=20 There is no difference so it must really be something that happens with PGO. I'd really need access to a zen4 box or the pgo executables at least.=