diff options
Diffstat (limited to 'libgomp/iter.c')
| -rw-r--r-- | libgomp/iter.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/libgomp/iter.c b/libgomp/iter.c index 1a8a2a7d04f..2d5dd2edd5a 100644 --- a/libgomp/iter.c +++ b/libgomp/iter.c @@ -242,16 +242,16 @@ gomp_iter_guided_next_locked (long *pstart, long *pend) if (ws->next == ws->end) return false; - n = (ws->end - ws->next) / ws->incr; + start = ws->next; + n = (ws->end - start) / ws->incr; q = (n + nthreads - 1) / nthreads; if (q < ws->chunk_size) q = ws->chunk_size; - if (q > n) - q = n; - - start = ws->next; - end = start + q * ws->incr; + if (q <= n) + end = start + q * ws->incr; + else + end = ws->end; ws->next = end; *pstart = start; @@ -286,15 +286,15 @@ gomp_iter_guided_next (long *pstart, long *pend) if (start == end) return false; - n = (end - start) / ws->incr; + n = (end - start) / incr; q = (n + nthreads - 1) / nthreads; if (q < chunk_size) q = chunk_size; - if (q > n) - q = n; - - nend = start + q * incr; + if (__builtin_expect (q <= n, 1)) + nend = start + q * incr; + else + nend = end; tmp = __sync_val_compare_and_swap (&ws->next, start, nend); if (__builtin_expect (tmp == start, 1)) |