From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 903CF3858D3C; Wed, 1 Mar 2023 02:41:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 903CF3858D3C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1677638511; bh=++6BYWsZvnf0ePa8lnu1QhUBnwjS/QoB3XfpmgucQtQ=; h=From:To:Subject:Date:From; b=OlaFusv4vBPLt87RBKKTeh8eNo2K5qVpPjwu9izOhAN1HFPQrjZPFxHWbdAEMCGKs fxfYGS6WcRZsMLXxyl820HI6EN+LaP/1Y18306uOIDVDEDoIJGgR7p2FpQjXsIWFko 2FKXlMTpHZFY79tH6nDItANOCH4KmkbchrepQRk0= From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108979] New: [13 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.cc:248 Date: Wed, 01 Mar 2023 02:41:50 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new 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: asolokha at gmx dot com X-Bugzilla-Status: UNCONFIRMED 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: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter target_milestone cf_gcctarget Message-ID: 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=3D108979 Bug ID: 108979 Summary: [13 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.cc:248 Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: aarch64-linux-gnu gcc 13.0.1 20230226 snapshot (g:e6d39f68d03c46637ca6e1bede3d28eae6278df3) I= CEs when compiling the following testcase, extracted from gcc/testsuite/gfortran.dg/pr68251.f90, w/ -march=3Darmv8-a+sve -O2 -fnon-call-exceptions -fvect-cost-model=3Dunlimited: MODULE hfx_contract_block INTEGER, PARAMETER :: dp=3D8 CONTAINS SUBROUTINE block_2_1_2_1(kbd,kbc,kad,kac,pbd,pbc,pad,pac,prim,scale) REAL(KIND=3Ddp) :: kbd(1*1), kbc(1*2), kad(2*1), kac(2*2), pbd(1*1), & pbc(1*2), pad(2*1), pac(2*2), prim(2*1*2*1), scale DO md =3D 1,1 DO mc =3D 1,2 DO mb =3D 1,1 DO ma =3D 1,2 kac((mc-1)*2+ma) =3D kac((mc-1)*2+ma)-tmp*p_bd END DO END DO END DO END DO END SUBROUTINE block_2_1_2_1 END MODULE hfx_contract_block % aarch64-linux-gnu-gfortran-13 -march=3Darmv8-a+sve -O2 -fnon-call-excepti= ons -fvect-cost-model=3Dunlimited -c vsg8aaub.f90 during GIMPLE pass: vect vsg8aaub.f90:4:26: 4 | SUBROUTINE block_2_1_2_1(kbd,kbc,kad,kac,pbd,pbc,pad,pac,prim,sca= le) | ^ internal compiler error: in compute_live_loop_exits, at tree-ssa-loop-manip.cc:248 0x7b7fb1 compute_live_loop_exits =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.1_p20230226/work/gcc-13-2= 0230226/gcc/tree-ssa-loop-manip.cc:248 0x7b7fb1 add_exit_phis_var =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.1_p20230226/work/gcc-13-2= 0230226/gcc/tree-ssa-loop-manip.cc:330 0x7b7fb1 add_exit_phis =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.1_p20230226/work/gcc-13-2= 0230226/gcc/tree-ssa-loop-manip.cc:390 0x1128a64 rewrite_into_loop_closed_ssa_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.1_p20230226/work/gcc-13-2= 0230226/gcc/tree-ssa-loop-manip.cc:604 0x1128a64 rewrite_into_loop_closed_ssa(bitmap_head*, unsigned int) =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.1_p20230226/work/gcc-13-2= 0230226/gcc/tree-ssa-loop-manip.cc:626 0x1288785 execute =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.1_p20230226/work/gcc-13-2= 0230226/gcc/tree-vectorizer.cc:1361=