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 6E2223858C27; Wed,  6 Apr 2022 11:05:29 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6E2223858C27
From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/105157] [12 Regression] compile-time regressions with
 generic tuning since r12-7756-g27d8748df59fe6
Date: Wed, 06 Apr 2022 11:05:29 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: compile-time-hog
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: 12.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: cc
Message-ID: <bug-105157-4-H7RvXDvzeo@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-105157-4@http.gcc.gnu.org/bugzilla/>
References: <bug-105157-4@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
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Apr 2022 11:05:29 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105157

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |avieira at gcc dot gnu.org,
                   |                            |tnfchris at gcc dot gnu.org

--- Comment #5 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Good revision:

$ time ./xg++ -B. /home/marxin/Programming/testcases/cactu.ii -S -Ofast

real    0m12.084s
user    0m11.892s
sys     0m0.192s

    14.49%  cc1plus   cc1plus               [.] find_hard_regno_for_1
     5.68%  cc1plus   cc1plus               [.] find_base_term
     3.83%  cc1plus   cc1plus               [.] bitmap_clear_bit
     2.98%  cc1plus   cc1plus               [.] bitmap_set_bit
     2.57%  cc1plus   libc.so.6             [.] __memset_avx2_unaligned_erms
     2.51%  cc1plus   cc1plus               [.] build_object_conflicts
     2.47%  cc1plus   cc1plus               [.] rtx_equal_for_memref_p

Bad revision:

$ time ./xg++ -B. /home/marxin/Programming/testcases/cactu.ii -S -Ofast

real    0m17.969s
user    0m17.772s
sys     0m0.196s

    16.92%  cc1plus  cc1plus               [.] find_hard_regno_for_1
     8.67%  cc1plus  cc1plus               [.] find_base_term
     4.26%  cc1plus  cc1plus               [.] rtx_equal_for_memref_p
     3.85%  cc1plus  cc1plus               [.] memrefs_conflict_p
     2.92%  cc1plus  cc1plus               [.] find_base_term
     2.74%  cc1plus  cc1plus               [.] build_object_conflicts
     2.67%  cc1plus  cc1plus               [.] true_dependence_1=