From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C571C3857C61; Tue, 30 Mar 2021 13:19:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C571C3857C61 From: "acoplan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99829] New: MVE: ICE in lra_assign at -O3 Date: Tue, 30 Mar 2021 13:19:38 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: acoplan 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 bug_severity priority component assigned_to reporter target_milestone 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, 30 Mar 2021 13:19:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99829 Bug ID: 99829 Summary: MVE: ICE in lra_assign at -O3 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: acoplan at gcc dot gnu.org Target Milestone: --- The following fails: $ arm-eabi-gcc -c -xc++ gcc/testsuite/c-c++-common/torture/vshuf-v16qi.c -march=3Darmv8.1-m.main+mve -mfloat-abi=3Dhard -mtune=3Dcortex-m7 -O3 during RTL pass: reload In file included from gcc/testsuite/c-c++-common/torture/vshuf-v16qi.c:5: gcc/testsuite/c-c++-common/torture/vshuf-main.inc: In function 'int main()': gcc/testsuite/c-c++-common/torture/vshuf-main.inc:26:1: internal compiler error: in lra_assign, at lra-assigns.c:1649 26 | } | ^ 0xe2d8fe lra_assign(bool&) /home/alecop01/toolchain/src/gcc/gcc/lra-assigns.c:1649 0xe298f2 lra(_IO_FILE*) /home/alecop01/toolchain/src/gcc/gcc/lra.c:2387 0xddb586 do_reload /home/alecop01/toolchain/src/gcc/gcc/ira.c:5835 0xddb586 execute /home/alecop01/toolchain/src/gcc/gcc/ira.c:6021 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. On the GCC 10 branch, we ICE even without the -mtune option (the default scheduling for MVE changed for GCC 11).=