From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CE23D3858439; Wed, 21 Dec 2022 08:06:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CE23D3858439 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1671610007; bh=hDgY1dnIzTm1rlSoXQCOX+bmRPD0ZXbsvNURjcw5BIE=; h=From:To:Subject:Date:From; b=NCC2rhMx69GfDjZ0kAL3e589IYWs6VK4o5sLcyI/8Q47zFicMwFQu87Nu/NEXz3Zy wG9TDR92MhL0S2pO8ttAuIf+8HpzWAmK///1j/4+zTFivgShSaUwmL97iFWosqk1Gx giMvILorCXPhnky/hKTx4SDaBjblNUaLFF24OomQ= From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/108193] New: [13 Regression] ICE in do_SUBST, at combine.cc:700 Date: Wed, 21 Dec 2022 08:06:47 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-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=3D108193 Bug ID: 108193 Summary: [13 Regression] ICE in do_SUBST, at combine.cc:700 Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: aarch64-linux-gnu gcc 13.0.0 20221218 snapshot (g:fd69977febf399d1992bbf8d66ae9170e0a4dc9f) I= CEs when compiling the following testcase w/ -O2 -fsplit-loops -ftree-parallelize-loops=3D2 -fno-tree-dominator-opts: subroutine foo (n, r) implicit none integer :: i, j, n real :: s, r(*) s =3D 0.0 do j =3D 1, 2 do i =3D j, n s =3D r(i) end do end do do i =3D 1, n do j =3D i, n s =3D s + 1 end do r(i) =3D s end do end subroutine foo % aarch64-linux-gnu-gfortran-13 -O2 -fsplit-loops -ftree-parallelize-loops= =3D2 -fno-tree-dominator-opts -c fzcqm8no.f90 during RTL pass: combine fzcqm8no.f90:20:18: 20 | end subroutine foo | ^ internal compiler error: in do_SUBST, at combine.cc:700 0x845011 do_SUBST =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-2= 0221218/gcc/combine.cc:700 0x1b53990 subst =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-2= 0221218/gcc/combine.cc:5579 0x1b5671b try_combine =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-2= 0221218/gcc/combine.cc:3299 0x1b5c19a combine_instructions =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-2= 0221218/gcc/combine.cc:1410 0x1b5c19a rest_of_handle_combine =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-2= 0221218/gcc/combine.cc:14978 0x1b5c19a execute =20=20=20=20=20=20=20 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-2= 0221218/gcc/combine.cc:15023=