From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 2073E385B53B; Fri, 1 Dec 2023 09:20:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2073E385B53B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1701422401; bh=f4DbeCSQib2DxCtGqZWM0aKjMN05A12WAP0vqi0jleU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=m3qYeoIO24CBGQjL3a/cqKOHrux8KNgcVvUN5QdNy6ZHadsnVxmeYyR910DPGrlgg abW1azly90rNLx5BBM7JJT8FfQTWEEV4I+A3J8gKLSXsluh7PEiEI7ZXsCIKYmatIg kU36+Z/Df7WvyjXM/Mq32mI5OlSfe362ua/hAt7w= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug gcov-profile/112806] Profile-Guided Optimization (PGO) policy regarding explicit user optimization hint behavior Date: Fri, 01 Dec 2023 09:20:00 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: gcov-profile X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: 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=3D112806 --- Comment #1 from Andrew Pinski --- [[likely]]/__builtin_expect is kinda of documented: https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Other-Builtins.html#index-fpr= ofile-arcs-1 Everything else is just a hint.=