From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 99AC43858D3C; Mon, 22 Nov 2021 02:09:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 99AC43858D3C From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103353] New: Indefinite recursion when compiling -mmma requiring testcase w/ -maltivec Date: Mon, 22 Nov 2021 02:09:26 +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: error-recovery, ice-on-invalid-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 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, 22 Nov 2021 02:09:26 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103353 Bug ID: 103353 Summary: Indefinite recursion when compiling -mmma requiring testcase w/ -maltivec Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: error-recovery, ice-on-invalid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: powerpc-*-linux-gnu g++-12.0.0-alpha20211114 snapshot (g:3057f1ab737582a9fb37a3fb967ed8bf3659f2= f4) ICEs because of stack exhaustion when compiling gcc/testsuite/gcc.target/powerpc/pr101849.c w/ -maltivec: % powerpc-e300c3-linux-gnu-gcc-12.0.0 -maltivec -c gcc/testsuite/gcc.target/powerpc/pr101849.c gcc/testsuite/gcc.target/powerpc/pr101849.c: In function 'foo': gcc/testsuite/gcc.target/powerpc/pr101849.c:11:12: error: '__builtin_vsx_lx= vp' requires the '-mmma' option 11 | dst[0] =3D __builtin_vsx_lxvp (0, (__vector_pair *)(void *)x); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ powerpc-e300c3-linux-gnu-gcc-12.0.0: internal compiler error: Segmentation fault signal terminated program cc1 (gdb) where 10 #0 0x000000000093fc34 in ggc_internal_alloc (size=3Dsize@entry=3D24, f=3Df@entry=3D0x0, s=3Ds@entry=3D0, n=3Dn@entry=3D1) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/ggc-page.c:1278 #1 0x0000000000a8b94b in ggc_alloc () at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/ggc.h:178 #2 start_sequence () at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/emit-rtl.c:5476 #3 0x0000000000ac850b in emit_move_multi_word (mode=3DE_OOmode, x=3D, y=3D0x7ffff75fe978) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/expr.c:3889 #4 0x0000000000ac3d3f in emit_move_insn (x=3Dx@entry=3D0x7ffff6511060, y=3Dy@entry=3D0x7ffff75fe978) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/expr.c:4128 #5 0x0000000000a9ce04 in copy_to_reg (x=3Dx@entry=3D0x7ffff75fe978) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/explow.c:625 #6 0x0000000000a88908 in operand_subword_force (op=3Dop@entry=3D0x7ffff75f= e978, offset=3Doffset@entry=3D..., mode=3Dmode@entry=3DE_OOmode) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/emit-rtl.c:1802 #7 0x0000000000ac861e in emit_move_multi_word (mode=3DE_OOmode, x=3D, y=3D0x7ffff75fe978) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/expr.c:3918 #8 0x0000000000ac3d3f in emit_move_insn (x=3Dx@entry=3D0x7ffff6511018, y=3Dy@entry=3D0x7ffff75fe978) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/expr.c:4128 #9 0x0000000000a9ce04 in copy_to_reg (x=3Dx@entry=3D0x7ffff75fe978) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/explow.c:625 (More stack frames follow...) (gdb) where -10 #882893 0x00000000009d29e5 in cgraph_node::expand (this=3D0x7ffff77c8440) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/context.h:48 #882894 cgraph_node::expand (this=3D0x7ffff77c8440) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/cgraphunit.c:1781 #882895 0x00000000009d3df6 in output_in_order () at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/cgraphunit.c:2135 #882896 symbol_table::compile (this=3D0x7ffff77c0000) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/cgraphunit.c:2353 #882897 symbol_table::compile (this=3D0x7ffff77c0000) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/cgraphunit.c:2267 #882898 0x00000000009d6d07 in symbol_table::finalize_compilation_unit (this=3D0x7ffff77c0000) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/cgraphunit.c:2537 #882899 0x0000000000e8b4f7 in compile_file () at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/toplev.c:479 #882900 0x000000000080d376 in do_compile (no_backend=3Dfalse) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/toplev.c:2156 #882901 toplev::main (this=3Dthis@entry=3D0x7fffffffd9f6, argc=3D, argc@entry=3D12, argv=3D, argv@entry=3D0x7fffffffdb48) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/toplev.c:2308 #882902 0x000000000080f261 in main (argc=3D12, argv=3D0x7fffffffdb48) at /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.0_alpha20211114/wo= rk/gcc-12-20211114/gcc/main.c:39=