From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D5091385783A; Wed, 26 May 2021 15:51:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D5091385783A From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/100775] New: ICE: in df_exit_block_bitmap_verify, at df-scan.c:4164 with -mthumb -fzero-call-used-regs=used Date: Wed, 26 May 2021 15:51:33 +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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz 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_gcchost 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: Wed, 26 May 2021 15:51:33 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100775 Bug ID: 100775 Summary: ICE: in df_exit_block_bitmap_verify, at df-scan.c:4164 with -mthumb -fzero-call-used-regs=3Dused Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: armv7a-hardfloat-linux-gnueabi Created attachment 50873 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D50873&action=3Dedit reduced testcase Compiler output: $ armv7a-hardfloat-linux-gnueabi-gcc -mthumb -fzero-call-used-regs=3Dused testcase.c=20 exit_block_uses =3D 0 [r0] 3 [r3] 7 [r7] 13 [sp] 14 [lr] 102 [sfp] df->exit_block_uses =3D 0 [r0] 7 [r7] 13 [sp] 14 [lr] 102 [sfp] during RTL pass: mach testcase.c: In function 'foo': testcase.c:5:1: internal compiler error: in df_exit_block_bitmap_verify, at df-scan.c:4164 5 | } | ^ 0xbb6462 df_exit_block_bitmap_verify /repo/gcc-trunk/gcc/df-scan.c:4164 0xbb6462 df_scan_verify() /repo/gcc-trunk/gcc/df-scan.c:4217 0xba0067 df_verify() /repo/gcc-trunk/gcc/df-core.c:1818 0xba0067 df_analyze_1 /repo/gcc-trunk/gcc/df-core.c:1214 0x13b5a99 thumb2_reorg /repo/gcc-trunk/gcc/config/arm/arm.c:18990 0x13b5a99 arm_reorg /repo/gcc-trunk/gcc/config/arm/arm.c:19209 0xf96979 execute /repo/gcc-trunk/gcc/reorg.c:3927 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. $ armv7a-hardfloat-linux-gnueabi-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest-armv7a-hardfloat/bin/armv7a-har= dfloat-linux-gnueabi-gcc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r12-1066-20210526112842-= g95d67762171-checking-yes-rtl-df-extra-armv7a-hardfloat/bin/../libexec/gcc/= armv7a-hardfloat-linux-gnueabi/12.0.0/lto-wrapper Target: armv7a-hardfloat-linux-gnueabi Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --with-cloog --with-ppl --with-isl --with-float=3Dhard --with-fpu=3Dvfpv4 --with-arch=3Darmv7-a --with-sysroot=3D/usr/armv7a-hardfloat-linux-gnueabi --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Darmv7a-hardfloat-linux-gnueabi --with-ld=3D/usr/bin/armv7a-hardfloat-linux-gnueabi-ld --with-as=3D/usr/bin/armv7a-hardfloat-linux-gnueabi-as --disable-libstdcxx-= pch --prefix=3D/repo/gcc-trunk//binary-trunk-r12-1066-20210526112842-g95d677621= 71-checking-yes-rtl-df-extra-armv7a-hardfloat Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20210526 (experimental) (GCC)=