Imported gcc-4.4.3

[msp430-gcc.git] / gmp / mpn / cray / hamdist.c

diff --git a/gmp/mpn/cray/hamdist.c b/gmp/mpn/cray/hamdist.c
new file mode 100644 (file)
index 0000000..d80b4d6
--- /dev/null
+++ b/gmp/mpn/cray/hamdist.c
@@ -0,0 +1,32 @@
+/* Cray mpn_hamdist -- hamming distance count.
+
+Copyright 2000 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+
+#include <intrinsics.h>
+#include "gmp.h"
+#include "gmp-impl.h"
+
+unsigned long int
+mpn_hamdist (mp_srcptr p1, mp_srcptr p2, mp_size_t n)
+{
+  unsigned long int result = 0;
+  mp_size_t i;
+  for (i = 0; i < n; i++)
+    result += _popcnt (p1[i] ^ p2[i]);
+  return result;
+}