public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "tkoenig at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libgomp/110842] New: [14 Regression] Openmp loops with KIND=16 DO loops Date: Fri, 28 Jul 2023 10:49:32 +0000 [thread overview] Message-ID: <bug-110842-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110842 Bug ID: 110842 Summary: [14 Regression] Openmp loops with KIND=16 DO loops Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgomp Assignee: unassigned at gcc dot gnu.org Reporter: tkoenig at gcc dot gnu.org CC: jakub at gcc dot gnu.org Target Milestone: --- gfortran with a reasonably current trunk gives wrong results for omp parallel: $ cat dynamic.f90 program main implicit none integer(kind=16) :: i, anfang, ende, delta anfang = 0 ende = 2**10 delta = 2**6 !$omp parallel do default(private) schedule(dynamic,1) do i=anfang, ende, delta !$omp critical print *,i !$omp end critical end do end program main $ gfortran dynamic.f90 $ ./a.out 0 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 Without openmp, no problem. With openmp, some values are garbage: $ gfortran -fopenmp dynamic.f90 $ ./a.out 2584020860371700504877596135129104 768 192 704 960 128 896 64 2584020860371700504877596135130128 384 448 576 640 320 512 256 832 $ gfortran -v Es werden eingebaute Spezifikationen verwendet. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/home/ig25/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper Ziel: x86_64-pc-linux-gnu Konfiguriert mit: ../trunk/configure --prefix=/home/ig25 --enable-languages=c,c++,fortran --disable-multilib Thread-Modell: posix Unterstützte LTO-Kompressionsalgorithmen: zlib gcc-Version 14.0.0 20230722 (experimental) [master r14-2725-g73cc6ce1294] (GCC) System compiler works fine: $ /usr/bin/gfortran -fopenmp dynamic.f90 $ ./a.out 0 64 832 256 320 960 576 192 896 640 128 384 704 768 512 448 1024 $ /usr/bin/gfortran -v Using built-in specs. COLLECT_GCC=/usr/bin/gfortran COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 11.3.0-1ubuntu1~22.04.1' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-gcn/usr --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.3.0 (Ubuntu 11.3.0-1ubuntu1~22.04.1)
next reply other threads:[~2023-07-28 10:49 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-07-28 10:49 tkoenig at gcc dot gnu.org [this message] 2023-07-28 10:55 ` [Bug libgomp/110842] " tkoenig at gcc dot gnu.org 2023-07-28 10:57 ` jakub at gcc dot gnu.org 2023-07-28 11:10 ` tkoenig at gcc dot gnu.org 2023-07-28 12:02 ` burnus at gcc dot gnu.org 2024-01-10 14:49 ` jamborm at gcc dot gnu.org 2024-03-22 13:42 ` law at gcc dot gnu.org 2024-05-07 7:41 ` [Bug libgomp/110842] [14/15 " rguenth at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-110842-4@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).