From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0DFE33858C2D; Tue, 27 Sep 2022 14:14:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0DFE33858C2D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664288066; bh=Og55H4D7V1Dggefn0XgBwjqe5m1SPYCKZVnk7vckQdc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=uvm+3yKjKiSQXIeyaHZlGHljUgm+WVuvyUHr4lfFmkWnrLQUxDEQUURg1SARg8/HJ I476y1LYxKTVhDmyzvLYwONuZkqGJA0mhL6KBc/8tyVeolI7t/T9lvZvnCqOC5hj0f D61nBv4Bbp3rSvzgBikbSDPGsWQ9/kDUJikVF9/c= From: "malat at debian dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/106322] [12 Regression] tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working) since r12-2404-ga1d27560770818c5 Date: Tue, 27 Sep 2022 14:14:22 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 12.1.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: malat at debian dot org X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: linkw at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status resolution 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=3D106322 Mathieu Malaterre changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|FIXED |--- --- Comment #51 from Mathieu Malaterre --- @Kewen I am using the latest gcc-12 update from doko@d.o: * https://tracker.debian.org/news/1363780/accepted-gcc-12-1220-3-source-into-= unstable/ It does include the patch for PR/106322 but I am getting exactly the same behavior as before: ``` % gcc -v -O2 -mtune=3Dgeneric -march=3Di686 106322.c && ./a.out Using built-in specs. COLLECT_GCC=3Dgcc COLLECT_LTO_WRAPPER=3D/usr/lib/gcc/i686-linux-gnu/12/lto-wrapper Target: i686-linux-gnu Configured with: ../src/configure -v --with-pkgversion=3D'Debian 12.2.0-3' --with-bugurl=3Dfile:///usr/share/doc/gcc-12/README.Bugs --enable-languages=3Dc,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=3D/usr --with-gcc-major-version-only --program-suffix=3D-12 --program-prefix=3Di686-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=3D/usr/lib --without-included-gettext --enable-threads=3Dposix --libdir=3D/usr/lib --enable-nls --enable-clocale=3Dgnu --enable-libstdcxx-= debug --enable-libstdcxx-time=3Dyes --with-default-libstdcxx-abi=3Dnew --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=3Drelea= se --with-target-system-zlib=3Dauto --enable-objc-gc=3Dauto --enable-targets= =3Dall --enable-multiarch --disable-werror --with-arch-32=3Di686 --with-multilib-list=3Dm32,m64,mx32 --enable-multilib --with-tune=3Dgeneric --enable-checking=3Drelease --build=3Di686-linux-gnu --host=3Di686-linux-gnu --target=3Di686-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.2.0 (Debian 12.2.0-3) COLLECT_GCC_OPTIONS=3D'-v' '-O2' '-mtune=3Dgeneric' '-march=3Di686' '-dumpd= ir' 'a-' /usr/lib/gcc/i686-linux-gnu/12/cc1 -quiet -v -imultiarch i386-linux-gnu 106322.c -quiet -dumpdir a- -dumpbase 106322.c -dumpbase-ext .c -mtune=3Dge= neric -march=3Di686 -O2 -version -fasynchronous-unwind-tables -o /tmp/ccKGWuAf.s GNU C17 (Debian 12.2.0-3) version 12.2.0 (i686-linux-gnu) compiled by GNU C version 12.2.0, GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.1, isl version isl-0.25-GMP GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131= 072 ignoring nonexistent directory "/usr/local/include/i386-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/12/include-fixe= d" ignoring nonexistent directory "/usr/lib/gcc/i686-linux-gnu/12/../../../../i686-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/i686-linux-gnu/12/include /usr/local/include /usr/include/i386-linux-gnu /usr/include End of search list. GNU C17 (Debian 12.2.0-3) version 12.2.0 (i686-linux-gnu) compiled by GNU C version 12.2.0, GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.1, isl version isl-0.25-GMP GGC heuristics: --param ggc-min-expand=3D100 --param ggc-min-heapsize=3D131= 072 Compiler executable checksum: bab440224e23e29e673aafc5eddaffb6 COLLECT_GCC_OPTIONS=3D'-v' '-O2' '-mtune=3Dgeneric' '-march=3Di686' '-dumpd= ir' 'a-' as -v --32 -o /tmp/ccKi1Hwd.o /tmp/ccKGWuAf.s GNU assembler version 2.39 (i686-linux-gnu) using BFD version (GNU Binutils= for Debian) 2.39 COMPILER_PATH=3D/usr/lib/gcc/i686-linux-gnu/12/:/usr/lib/gcc/i686-linux-gnu= /12/:/usr/lib/gcc/i686-linux-gnu/:/usr/lib/gcc/i686-linux-gnu/12/:/usr/lib/= gcc/i686-linux-gnu/ LIBRARY_PATH=3D/usr/lib/gcc/i686-linux-gnu/12/:/usr/lib/gcc/i686-linux-gnu/= 12/../../../i386-linux-gnu/:/usr/lib/gcc/i686-linux-gnu/12/../../../../lib/= :/lib/i386-linux-gnu/:/lib/../lib/:/usr/lib/i386-linux-gnu/:/usr/lib/../lib= /:/usr/lib/gcc/i686-linux-gnu/12/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS=3D'-v' '-O2' '-mtune=3Dgeneric' '-march=3Di686' '-dumpd= ir' 'a.' /usr/lib/gcc/i686-linux-gnu/12/collect2 -plugin /usr/lib/gcc/i686-linux-gnu/12/liblto_plugin.so -plugin-opt=3D/usr/lib/gcc/i686-linux-gnu/12/lto-wrapper -plugin-opt=3D-fresolution=3D/tmp/ccJ6oy3P.res -plugin-opt=3D-pass-through= =3D-lgcc -plugin-opt=3D-pass-through=3D-lgcc_s -plugin-opt=3D-pass-through=3D-lc -plugin-opt=3D-pass-through=3D-lgcc -plugin-opt=3D-pass-through=3D-lgcc_s -= -build-id --eh-frame-hdr -m elf_i386 --hash-style=3Dgnu --as-needed -dynamic-linker /lib/ld-linux.so.2 -pie /usr/lib/gcc/i686-linux-gnu/12/../../../i386-linux-gnu/Scrt1.o /usr/lib/gcc/i686-linux-gnu/12/../../../i386-linux-gnu/crti.o /usr/lib/gcc/i686-linux-gnu/12/crtbeginS.o -L/usr/lib/gcc/i686-linux-gnu/12 -L/usr/lib/gcc/i686-linux-gnu/12/../../../i386-linux-gnu -L/usr/lib/gcc/i686-linux-gnu/12/../../../../lib -L/lib/i386-linux-gnu -L/lib/../lib -L/usr/lib/i386-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/i686-linux-gnu/12/../../.. /tmp/ccKi1Hwd.o -lgcc --push-state --as-needed -lgcc_s --pop-state -lc -lgcc --push-state --as-needed -lgcc_s --pop-state /usr/lib/gcc/i686-linux-gnu/12/crtendS.o /usr/lib/gcc/i686-linux-gnu/12/../../../i386-linux-gnu/crtn.o COLLECT_GCC_OPTIONS=3D'-v' '-O2' '-mtune=3Dgeneric' '-march=3Di686' '-dumpd= ir' 'a.' zsh: IOT instruction ./a.out ```=