From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A370E3858D33; Mon, 6 May 2024 09:46:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A370E3858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1714988786; bh=GmGCstAfxWM55GdsLbS2N4Btb5Br3WL3i2UWJScewqg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oH88RN7cl41KE7rpWHzhr6cpeKa5nUvCnQaSaZqAXM2b3AxH7JRTwX6NZsdtwz8MB fXRr4EU277moZ1W6eeQVbTbhtEU9nufY99yuKsKGjW+gXIqsnxtWsJ3L2zP9kDsprI dfNFYjC8bIwqO7HC6KsqeJaUM12bsTFrD1jho1bk= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/101523] Huge number of combine attempts Date: Mon, 06 May 2024 09:46:26 +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: rguenth at gcc dot gnu.org 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 #67 from Richard Biener --- (In reply to Segher Boessenkool from comment #66) > (In reply to rguenther@suse.de from comment #64) > > As promised I'm going to revert the revert after 14.1 is released=20 > > (hopefully tomorrow). >=20 > Thank you! beer++ >=20 > > 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. >=20 > I think this patch may well show some actual regressions :-( We'll see. I'm probably not going to notice - at least I think it should be fine by design, but as we see combine doesn't adhere to it's design, so my milage may vary ;) But yeah, I didn't do any extensive before/after code differences (there should be no difference - fingers crossing ;))=