On 9/8/20 8:51 AM, Tom de Vries wrote:
Add nvptx support to libatomic.
I tried it on powerpc64le-none-linux-gnu and that solves the __sync_val_compare_and_swap_16 issue, I reported at https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553070.html However, when trying Jakub's example (see below; syntax fixed version), https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553142.html it (still) fails with: atomic.c: In function 'main._omp_fn.0': atomic.c:6:11: internal compiler error: in write_fn_proto, at config/nvptx/nvptx.c:913 6 | #pragma omp target Tobias PS: The 'atomic.c' testcase: __uint128_t v; #pragma omp declare target (v) int main () { #pragma omp target { __atomic_add_fetch (&v, 1, __ATOMIC_RELAXED); __atomic_fetch_add (&v, 1, __ATOMIC_RELAXED); __uint128_t exp = 2; __atomic_compare_exchange_n (&v, &exp, 7, 0, __ATOMIC_RELEASE, __ATOMIC_ACQUIRE); } } ----------------- Mentor Graphics (Deutschland) GmbH, Arnulfstraße 201, 80634 München / Germany Registergericht München HRB 106955, Geschäftsführer: Thomas Heurung, Alexander Walter
