PR libgomp/66761

        PR libgomp/67303
        * iter.c (gomp_iter_dynamic_next): Employ an atomic load.
        (gomp_iter_guided_next): Idem.
        * iter_ull.c (gomp_iter_ull_dynamic_next): Idem.
        (gomp_iter_ull_guided_next): Idem.
        * config/linux/wait.h (do_spin): Idem.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227119 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 2 insertions, 2 deletions

diff --git a/libgomp/iter.c b/libgomp/iter.c
index 0ceb41d909e..1def8bde066 100644
--- a/libgomp/iter.c
+++ b/libgomp/iter.c
@@ -218,7 +218,7 @@ gomp_iter_dynamic_next (long *pstart, long *pend)
 	}
     }
 
-  start = ws->next;
+  start = __atomic_load_n (&ws->next, MEMMODEL_RELAXED);
   while (1)
     {
       long left = end - start;
@@ -301,7 +301,7 @@ gomp_iter_guided_next (long *pstart, long *pend)
   long start, end, nend, incr;
   unsigned long chunk_size;
 
-  start = ws->next;
+  start = __atomic_load_n (&ws->next, MEMMODEL_RELAXED);
   end = ws->end;
   incr = ws->incr;
   chunk_size = ws->chunk_size;