Update the in-tree GMP; fixes trac #832

[ghc-hetmet.git] / rts / gmp / mpn / generic / add_n.c

diff --git a/rts/gmp/mpn/generic/add_n.c b/rts/gmp/mpn/generic/add_n.c
deleted file mode 100644 (file)
index 5fcb7e4..0000000
--- a/rts/gmp/mpn/generic/add_n.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* mpn_add_n -- Add two limb vectors of equal, non-zero length.
-
-Copyright (C) 1992, 1993, 1994, 1996 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
-#if __STDC__
-mpn_add_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr, mp_size_t size)
-#else
-mpn_add_n (res_ptr, s1_ptr, s2_ptr, size)
-     register mp_ptr res_ptr;
-     register mp_srcptr s1_ptr;
-     register mp_srcptr s2_ptr;
-     mp_size_t size;
-#endif
-{
-  register mp_limb_t x, y, cy;
-  register mp_size_t j;
-
-  /* The loop counter and index J goes from -SIZE to -1.  This way
-     the loop becomes faster.  */
-  j = -size;
-
-  /* Offset the base pointers to compensate for the negative indices.  */
-  s1_ptr -= j;
-  s2_ptr -= j;
-  res_ptr -= j;
-
-  cy = 0;
-  do
-    {
-      y = s2_ptr[j];
-      x = s1_ptr[j];
-      y += cy;                 /* add previous carry to one addend */
-      cy = (y < cy);           /* get out carry from that addition */
-      y = x + y;               /* add other addend */
-      cy = (y < x) + cy;       /* get out carry from that add, combine */
-      res_ptr[j] = y;
-    }
-  while (++j != 0);
-
-  return cy;
-}