[RTEMS] Fix libgomp for nthreads == 1

libgomp/

        * config/rtems/pool.h (gomp_get_thread_pool): Return proper
        thread pool in case nthreads == 1.

From-SVN: r243179

diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 9e2a300..f072ce4 100644 (file)
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-02  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+       * config/rtems/pool.h (gomp_get_thread_pool): Return proper
+       thread pool in case nthreads == 1.
+
 2016-11-30  Alexander Monakov  <amonakov@ispras.ru>
 
        * config/nvptx/env.c: Delete.

diff --git a/libgomp/config/rtems/pool.h b/libgomp/config/rtems/pool.h
index 7520c07..e69eca4 100644 (file)
--- a/libgomp/config/rtems/pool.h
+++ b/libgomp/config/rtems/pool.h
@@ -87,28 +87,24 @@ static inline struct gomp_thread_pool *
 gomp_get_thread_pool (struct gomp_thread *thr, unsigned nthreads)
 {
   struct gomp_thread_pool *pool;
+  struct gomp_thread_pool_reservoir *res;
 
   if (__builtin_expect (thr->thread_pool == NULL, 0))
     pthread_setspecific (gomp_thread_destructor, thr);
 
-  if (nthreads != 1)
+  res = gomp_get_thread_pool_reservoir ();
+  if (res != NULL)
     {
-      struct gomp_thread_pool_reservoir *res =
-       gomp_get_thread_pool_reservoir ();
-      if (res != NULL)
-       {
-         gomp_sem_wait (&res->available);
-         gomp_mutex_lock (&res->lock);
-         pool = res->pools[--res->index];
-         gomp_mutex_unlock (&res->lock);
-         pool->threads_busy = nthreads;
-         thr->thread_pool = pool;
-       }
-      else
-       pool = gomp_get_own_thread_pool (thr, nthreads);
+      gomp_sem_wait (&res->available);
+      gomp_mutex_lock (&res->lock);
+      pool = res->pools[--res->index];
+      gomp_mutex_unlock (&res->lock);
+      pool->threads_busy = nthreads;
+      thr->thread_pool = pool;
     }
   else
-    pool = NULL;
+    pool = gomp_get_own_thread_pool (thr, nthreads);
+
   return pool;
 }