Reorganisation of the source tree

[ghc-hetmet.git] / rts / gmp / mpn / cray / mul_1.c

diff --git a/rts/gmp/mpn/cray/mul_1.c b/rts/gmp/mpn/cray/mul_1.c
new file mode 100644 (file)
index 0000000..0c8750b
--- /dev/null
+++ b/rts/gmp/mpn/cray/mul_1.c
@@ -0,0 +1,44 @@
+/* mpn_mul_1 for Cray PVP.
+
+Copyright (C) 1996, 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 2.1 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; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA.  */
+
+
+#include "gmp.h"
+#include "gmp-impl.h"
+
+mp_limb_t
+mpn_mul_1 (mp_ptr rp, mp_srcptr up, mp_size_t n, mp_limb_t limb)
+{
+  mp_ptr p0, p1;
+  mp_limb_t cy_limb;
+  TMP_DECL (marker);
+  TMP_MARK (marker);
+
+  p1 = TMP_ALLOC (n * BYTES_PER_MP_LIMB);
+  p0 = TMP_ALLOC (n * BYTES_PER_MP_LIMB);
+
+  GMPN_MULWW (p1, p0, up, &n, &limb);
+  rp[0] = p0[0];
+  cy_limb = mpn_add_n (rp + 1, p0 + 1, p1, n - 1);
+  cy_limb += p1[n - 1];
+
+  TMP_FREE (marker);
+  return cy_limb;
+}