From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7E5E5384AB48; Mon, 6 May 2024 09:21:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7E5E5384AB48 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1714987289; bh=mPj8/0/+Gx3Yhzr0CFyhlYvvuqCtCw7Pu8o/VSCYg1o=; h=From:To:Subject:Date:In-Reply-To:References:From; b=u0DBLmnLKigyrOVdosb/ihd4SCZ1AVF0yqgt65KUAq4IpBK9qLd3PtFag+DlGfBwO a7/gmprImxs1sPzJ6Vz+KuvB1a05OuETU4inBi+lik0fyvSMphATFZnRZ7dJQ93t+1 vfPe72trKYr25IhRUaBYpHjYSUbbB+5srD33bqKY= From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/101523] Huge number of combine attempts Date: Mon, 06 May 2024 09:21:18 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: compile-time-hog, memory-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth 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=3D101523 --- Comment #64 from rguenther at suse dot de --- On Sat, 4 May 2024, segher at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101523 >=20 > --- Comment #61 from Segher Boessenkool --- > We used to do the wrong thing in combine. Now that my fix was reverted, = we > still do. This should be undone soonish, As promised I'm going to revert the revert after 14.1 is released=20 (hopefully tomorrow). As for distros I have decided to include my hack posted in=20 https://gcc.gnu.org/pipermail/gcc-patches/2024-April/648725.html for SUSE based distros in GCC 13 and 14 as that seems to improve the problematical memory uses in our build farm.=