From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DA4393858D37; Fri, 4 Mar 2022 08:03:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DA4393858D37 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/104778] New: [12 Regression] ICE in simplify_subreg, at simplify-rtx.cc:7324 Date: Fri, 04 Mar 2022 08:03:11 +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: 12.0 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 attachments.created 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: Fri, 04 Mar 2022 08:03:12 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104778 Bug ID: 104778 Summary: [12 Regression] ICE in simplify_subreg, at simplify-rtx.cc:7324 Product: gcc Version: 12.0 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: powerpc-*-linux-gnu Created attachment 52560 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52560&action=3Dedit Testcase gcc 12.0.1 20220227 snapshot (g:d1574a9b820f17adb9004255e2018967e9be063b) I= CEs when compiling the attached testcase w/ -mcpu=3Da2 -Og -g: % powerpc-e300c3-linux-gnu-gcc-12.0.1 -mcpu=3Da2 -Og -g -c poy2oawm.c during RTL pass: vartrack poy2oawm.c: In function 'foo': poy2oawm.c:47:1: internal compiler error: in simplify_subreg, at simplify-rtx.cc:7324 47 | } | ^ 0x6ad8e4 simplify_context::simplify_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/simplify-rtx.cc:7324 0xe76f89 simplify_context::simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/simplify-rtx.cc:7602 0x11c9e59 simplify_gen_subreg(machine_mode, rtx_def*, machine_mode, poly_int<1u, unsigned long>) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/rtl.h:3534 0x11c9e59 vt_expand_loc_callback =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8524 0x9e432d cselib_expand_value_rtx_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1848 0x9e4269 cselib_expand_value_rtx_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1921 0x9e4269 cselib_expand_value_rtx_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1921 0x9e4269 cselib_expand_value_rtx_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1921 0x9e5b7e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1731 0x11c9a23 vt_expand_var_loc_chain =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8420 0x11ca01d vt_expand_loc_callback =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8583 0x9e4516 cselib_expand_value_rtx_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1883 0x9e5b7e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1731 0x11c9a23 vt_expand_var_loc_chain =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8420 0x11ca01d vt_expand_loc_callback =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8583 0x9e5b7e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1731 0x11c9e22 vt_expand_loc_callback =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8517 0x9e432d cselib_expand_value_rtx_1 =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1848 0x9e5b7e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/cselib.cc:1731 0x11c9a23 vt_expand_var_loc_chain =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220227/work/g= cc-12-20220227/gcc/var-tracking.cc:8420=