From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 183753857C48; Mon, 14 Mar 2022 22:20:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 183753857C48 From: "bergner at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/104923] New: MMA __builtin_mma_disassemble_acc test case ICEs in LRA Date: Mon, 14 Mar 2022 22:19:59 +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: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: bergner 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: Mon, 14 Mar 2022 22:20:00 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104923 Bug ID: 104923 Summary: MMA __builtin_mma_disassemble_acc test case ICEs in LRA Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: bergner at gcc dot gnu.org Target Milestone: --- The following two test cases both ICE in LRA with current trunk and GCC11. = It compiles finw with GCC 10: bergner@rain6p1:~$ cat ice1.c=20 void foo (__vector_quad *acc, __vector char *dst, unsigned int n) { __vector char a[4]; __builtin_mma_disassemble_acc(a, acc); dst[2 * n] =3D a[0]; } bergner@rain6p1:~$ gcc -S -O2 -mcpu=3Dpower10 ice1.c=20 during RTL pass: reload ice1.c: In function =E2=80=98foo=E2=80=99: ice1.c:7:1: internal compiler error: in lra_set_insn_recog_data, at lra.cc:= 1010 7 | } | ^ 0x109a49fb lra_set_insn_recog_data(rtx_insn*) /home/bergner/gcc/gcc-fsf-mainline-base/gcc/lra.cc:1010 ... bergner@rain6p1:~$ cat ice2.c=20 void foo (__vector_quad *acc, __vector char *dst, unsigned int n) { __vector char a[4]; __builtin_mma_disassemble_acc(a, acc); dst[3 * n] =3D a[0]; } bergner@rain6p1:~$ gcc -S -O2 -mcpu=3Dpower10 ice2.c=20 during RTL pass: reload ice2.c: In function =E2=80=98foo=E2=80=99: ice2.c:7:1: internal compiler error: in decompose_normal_address, at rtlanal.cc:6716 7 | } | ^ 0x10be4b23 decompose_normal_address /home/bergner/gcc/gcc-fsf-mainline-base/gcc/rtlanal.cc:6716 ...=