From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 3C7493858D39; Tue, 21 Mar 2023 14:20:59 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3C7493858D39
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1679408459;
	bh=NuQplA8PAS9LG69vUZTe66pCHrSy5GFoRF/EQNZtDIw=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=LhZljzSPI9TOITMjaq0uQnqo+0dgX9Jet5YT77ajXHXkphR09t07I3rn7iW4Ah0oh
	 OGLSbdva/hTnCfTXMyg23L+whgCFrM2B0341Dq3sYW+JoyBAXFYDuu/WgC6mkwQccm
	 6FMsvxESSgQueLTy9XuILvtLztodbOIFiYc+garA=
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109192] [13 Regression] timeout with -O3
 since r13-5579
Date: Tue, 21 Mar 2023 14:20:59 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: compile-time-hog, needs-reduction
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 13.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-109192-4-jFGhB9XHAc@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109192-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109192-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109192

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #6)
> On a fast machine compile eventually finishes and a time-report looks like
>=20
>  dominator optimization             : 156.84 ( 52%)   0.00 (  0%) 156.86 (
> 52%)   112k (  1%)
>  backwards jump threading           : 145.15 ( 48%)   0.00 (  0%) 145.15 (
> 48%)    70k (  0%)
>  TOTAL                              : 302.15          0.02        302.19=
=20=20=20=20
> 16M

With the fix in it's now

 dominator optimization             :   0.01 (  4%)   0.00 (  0%)   0.00 ( =
 0%)
  112k (  1%)
 backwards jump threading           :   0.00 (  0%)   0.00 (  0%)   0.04 ( =
13%)
   70k (  0%)

Thanks a lot (for reporting and for fixing)=