Fix off-by-one error in vrev for Neon.

[pf3gnuchains/gcc-fork.git] / libgomp / iter.c

diff --git a/libgomp/iter.c b/libgomp/iter.c
index 9ec4dbd..cd9484a 100644 (file)
--- a/libgomp/iter.c
+++ b/libgomp/iter.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2008, 2009, 2011 Free Software Foundation, Inc.
    Contributed by Richard Henderson <rth@redhat.com>.
 
    This file is part of the GNU OpenMP Library (libgomp).
@@ -59,7 +59,7 @@ gomp_iter_static_next (long *pstart, long *pend)
      trip through the outer loop.  */
   if (ws->chunk_size == 0)
     {
-      unsigned long n, q, i;
+      unsigned long n, q, i, t;
       unsigned long s0, e0;
       long s, e;
 
@@ -74,11 +74,14 @@ gomp_iter_static_next (long *pstart, long *pend)
       /* Compute the "zero-based" start and end points.  That is, as
          if the loop began at zero and incremented by one.  */
       q = n / nthreads;
-      q += (q * nthreads != n);
-      s0 = q * i;
+      t = n % nthreads;
+      if (i < t)
+       {
+         t = 0;
+         q++;
+       }
+      s0 = q * i + t;
       e0 = s0 + q;
-      if (e0 > n)
-        e0 = n;
 
       /* Notice when no iterations allocated for this thread.  */
       if (s0 >= e0)