From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 2214A3857803; Tue, 25 Jul 2023 16:44:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2214A3857803 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690303492; bh=6QANLKc+Hpc51LeWAosRdadlXhvQqWWil07aYW+iuxw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=wf1Pn3QX4FiPI3pgq1WnGTK6V3i1W1PYa06to9SeXHTweAyolTF1oJAIGnMZud3l0 ObZrCiVz4zlUZzNRCInc2gCzmWxLqoCKhz32ypLeWU3+EtUTXY98r5D6rbhtYGV2pS PFKQPt6xxRTbSBM8rHN8EAw++nKaKU2Wq/iZf6gI= From: "thiago.bauermann at linaro dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110796] builtin_iseqsig fails some tests in armv8l-linux-gnueabihf Date: Tue, 25 Jul 2023 16:44:51 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: thiago.bauermann at linaro dot 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: Message-ID: In-Reply-To: References: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110796 --- Comment #4 from Thiago Jung Bauermann --- Thanks for looking into this. (In reply to Francois-Xavier Coudert from comment #3) > Do the failure only occur at -Os? Only at -Os. The FAILs I mentioned in the bug report are the only ones that occur. > Does it pass at -O0, -O1, -O2? Yes. > And could you possibly run builtin-iseqsig-1.c under gdb and obtain a > backtrace? Here it is: thiago.bauermann@tcwg-jade-03-dev:~/tmp$ /home/thiago.bauermann/.cache/builds/gcc-native-aarch32/gcc/xgcc -B/home/thiago.bauermann/.cache/builds/gcc-native-aarch32/gcc/ /home/thiago.bauermann/src/gcc/gcc/testsuite/gcc.dg/torture/builtin-iseqsig= -1.c -fdiagnostics-plain-output -Os -fsignaling-nans -ggdb3 -lm -o ./builtin-iseqsig-1.exe thiago.bauermann@tcwg-jade-03-dev:~/tmp$ gdb builtin-iseqsig-1.exe Reading symbols from builtin-iseqsig-1.exe... (gdb) r Starting program: /home/thiago.bauermann/tmp/builtin-iseqsig-1.exe [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1= ". Program received signal SIGABRT, Aborted. __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:47 47 ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S: No such file or directory. (gdb) bt #0 __libc_do_syscall () at ../sysdeps/unix/sysv/linux/arm/libc-do-syscall.= S:47 #1 0xf7e8d2ca in __pthread_kill_implementation (threadid=3D4160625664, signo=3Dsigno@entry=3D6, no_tid=3Dno_tid@entry=3D0) at pthread_kill.c:43 #2 0xf7e8d30c in __pthread_kill_internal (signo=3D6, threadid=3D) at pthread_kill.c:78 #3 0xf7e5c840 in __GI_raise (sig=3Dsig@entry=3D6) at ../sysdeps/posix/rais= e.c:26 #4 0xf7e4d5e4 in __GI_abort () at abort.c:79 #5 0x00010426 in main () at /home/thiago.bauermann/src/gcc/gcc/testsuite/gcc.dg/torture/builtin-iseqsig= -1.c:30 (gdb) frame 5 #5 0x00010426 in main () at /home/thiago.bauermann/src/gcc/gcc/testsuite/gcc.dg/torture/builtin-iseqsig= -1.c:30 30 if (fetestexcept (FE_INVALID)) __builtin_abort (); (gdb)=