From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9BB0E3985C23; Tue, 3 Nov 2020 16:05:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9BB0E3985C23 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/97703] New: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683 Date: Tue, 03 Nov 2020 16:05:34 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org 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 cc target_milestone cf_gcchost 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 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, 03 Nov 2020 16:05:34 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97703 Bug ID: 97703 Summary: [11 Regression] ICE in fix_reg_equiv_init at gcc/ira.c:2683 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: ktkachov at gcc dot gnu.org, rdsandiford at googlemail = dot com, rearnsha at gcc dot gnu.org Target Milestone: --- Host: x86_64-linux Target: arm-linux-gnueabi The following fails: $ arm-linux-gnueabi-gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c -mcpu=3Dcortex-r4f -Ofast -fno-toplevel-reorder -c /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c: = In function =E2=80=98test_op_ignore=E2=80=99: /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c:8= 0:10: note: =E2=80=98__sync_fetch_and_nand=E2=80=99 changed semantics in GCC 4.4 80 | (void) __sync_fetch_and_nand (&sc, 1); | ^~~~~~~~~~~~~~~~~~~~~ during RTL pass: ira /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/sync-1.c:9= 0:1: internal compiler error: Segmentation fault 90 | } | ^ 0xb0e06f crash_signal =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/top= lev.c:330 0x7ffff76ae6bf ??? =20=20=20=20=20=20=20 /usr/src/debug/glibc-2.32-1.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_= 64/sigaction.c:0 0x964bbb rtx_insn_list::next() const =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/rtl= .h:1407 0x964bbb fix_reg_equiv_init =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira= .c:2683 0x96cb8f fix_reg_equiv_init =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira= .c:2674 0x96cb8f find_moveable_pseudos =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira= .c:4874 0x96cb8f ira =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira= .c:5533 0x96cb8f execute =20=20=20=20=20=20=20 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira= .c:5861 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=