From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 87E1B3858C66; Fri, 14 Apr 2023 13:32:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 87E1B3858C66 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1681479140; bh=Cl9KpPhiArzqUZ5sZxEBZoR5wtczbDkWTPJciJjbpDg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=H3Ihr5N2zzXfLg3q9HvBsQ9yq0gWhaQeLSje4LU+D3JdT20IIUE4wE2LpwjnuC+zA VEUUx3YeGfOrfYA9iww4B39ObCMZoUlZSMc4GOP395QJernDCRqhWRstmiDbMXuILC faZe/jPSA69DtpajSOSz1xwgJzrduAModqYKGA5o= From: "hubicka at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109491] [11/12 Regression] Segfault in tree-ssa-sccvn.cc:expressions_equal_p() Date: Fri, 14 Apr 2023 13:32:19 +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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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=3D109491 Jan Hubicka changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu.org --- Comment #17 from Jan Hubicka --- With a cross on znver3 machine I get with ./xgcc -B ./ -mcpu=3Dpower8 -std= =3Dc++14 -O2 tt.cc --verbose -Q : phase opt and generate : 13.19 ( 99%) 0.35 ( 95%) 13.53 ( = 99%) 408M ( 94%) callgraph functions expansion : 10.19 ( 77%) 0.15 ( 41%) 10.33 ( = 76%) 193M ( 45%) callgraph ipa passes : 2.97 ( 22%) 0.20 ( 54%) 3.17 ( = 23%) 203M ( 47%) df live regs : 0.65 ( 5%) 0.00 ( 0%) 0.62 ( = 5%) 0 ( 0%) alias stmt walking : 1.19 ( 9%) 0.03 ( 8%) 1.25 ( = 9%) 6915k ( 2%) tree Early VRP : 0.63 ( 5%) 0.01 ( 3%) 0.58 ( = 4%) 16M ( 4%) PRE : 2.81 ( 21%) 0.01 ( 3%) 2.83 ( = 21%) 349k ( 0%) scheduling : 1.00 ( 8%) 0.00 ( 0%) 0.99 ( = 7%) 1997k ( 0%) inliner is: ipa inlining heuristics : 0.49 ( 4%) 0.00 ( 0%) 0.47 ( = 3%) 4429k ( 1%) integration : 0.19 ( 1%) 0.04 ( 11%) 0.28 ( = 2%) 117M ( 27%) So inlining itself seems to be in control. With RTL SSA we may be able to replace RTL PRE with GVN-PRE :)=