From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 11D433858D39; Tue, 26 Oct 2021 14:49:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 11D433858D39 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/102947] SPEC2006 compiler time regression (-Ofast -march=native -flto) between 1932e1169a236849 and 9cfb95f9b92326e8 Date: Tue, 26 Oct 2021 14:49:47 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: NEW 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: cf_reconfirmed_on everconfirmed bug_status blocked 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Oct 2021 14:49:48 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102947 Martin Li=C5=A1ka changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-10-26 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Blocks| |26163 CC| |marxin at gcc dot gnu.org --- Comment #2 from Martin Li=C5=A1ka --- Yes, I can confirm also other testers reports slower compilation of WRF: https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=3D2.270.8 I know the benchmark contains a huge config module that delays the compilat= ion rapidly. Moreover, one ltrans always runs much longer than the others. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D26163 [Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95= )=