[gcc] GCC 4.5.0=>4.5.1

gcc/gmp/mpn/cray/ieee/submul_1.c

Index: gcc/gmp/mpn/cray/ieee/submul_1.c
diff --git a/gcc/gmp/mpn/cray/ieee/submul_1.c b/gcc/gmp/mpn/cray/ieee/submul_1.c
deleted file mode 100644
index 4d7a6b47cd432bb54457eccda090f76c279ae056..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpn/cray/ieee/submul_1.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Cray PVP/IEEE mpn_submul_1 -- multiply a limb vector with a limb and
-   subtract the result from a second limb vector.
-
-Copyright 2000, 2001, 2002 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/.  */
-
-/* This code runs at just under 9 cycles/limb on a T90.  That is not perfect,
-   mainly due to vector register shortage in the main loop.  Assembly code
-   should bring it down to perhaps 7 cycles/limb.  */
-
-#include <intrinsics.h>
-#include "gmp.h"
-#include "gmp-impl.h"
-
-mp_limb_t
-mpn_submul_1 (mp_ptr rp, mp_srcptr up, mp_size_t n, mp_limb_t vl)
-{
-  mp_limb_t cy[n];
-  mp_limb_t a, b, r, s0, s1, c0, c1;
-  mp_size_t i;
-  int more_carries;
-
-  if (up == rp)
-    {
-      /* The algorithm used below cannot handle overlap.  Handle it here by
-	 making a temporary copy of the source vector, then call ourselves.  */
-      mp_limb_t xp[n];
-      MPN_COPY (xp, up, n);
-      return mpn_submul_1 (rp, xp, n, vl);
-    }
-
-  a = up[0] * vl;
-  r = rp[0];
-  s0 = r - a;
-  rp[0] = s0;
-  c1 = ((s0 & a) | ((s0 | a) & ~r)) >> 63;
-  cy[0] = c1;
-
-  /* Main multiply loop.  Generate a raw accumulated output product in rp[]
-     and a carry vector in cy[].  */
-#pragma _CRI ivdep
-  for (i = 1; i < n; i++)
-    {
-      a = up[i] * vl;
-      b = _int_mult_upper (up[i - 1], vl);
-      s0 = a + b;
-      c0 = ((a & b) | ((a | b) & ~s0)) >> 63;
-      r = rp[i];
-      s1 = r - s0;
-      rp[i] = s1;
-      c1 = ((s1 & s0) | ((s1 | s0) & ~r)) >> 63;
-      cy[i] = c0 + c1;
-    }
-  /* Carry subtract loop.  Subtract the carry vector cy[] from the raw result
-     rp[] and store the new result back to rp[].  */
-  more_carries = 0;
-#pragma _CRI ivdep
-  for (i = 1; i < n; i++)
-    {
-      r = rp[i];
-      c0 = cy[i - 1];
-      s0 = r - c0;
-      rp[i] = s0;
-      c0 = (s0 & ~r) >> 63;
-      more_carries += c0;
-    }
-  /* If that second loop generated carry, handle that in scalar loop.  */
-  if (more_carries)
-    {
-      mp_limb_t cyrec = 0;
-      /* Look for places where rp[k] == ~0 and cy[k-1] == 1 or
-	 rp[k] == ~1 and cy[k-1] == 2.
-	 These are where we got a recurrency carry.  */
-      for (i = 1; i < n; i++)
-	{
-	  r = rp[i];
-	  c0 = ~r < cy[i - 1];
-	  s0 = r - cyrec;
-	  rp[i] = s0;
-	  c1 = (s0 & ~r) >> 63;
-	  cyrec = c0 | c1;
-	}
-      return _int_mult_upper (up[n - 1], vl) + cyrec + cy[n - 1];
-    }
-
-  return _int_mult_upper (up[n - 1], vl) + cy[n - 1];
-}