[gcc] GCC 4.5.0=>4.5.1

gcc/gmp/mpz/setbit.c

Index: gcc/gmp/mpz/setbit.c
diff --git a/gcc/gmp/mpz/setbit.c b/gcc/gmp/mpz/setbit.c
deleted file mode 100644
index b4715b6a1d973278cb0810e559c12e646c04dead..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpz/setbit.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/* mpz_setbit -- set a specified bit.
-
-Copyright 1991, 1993, 1994, 1995, 1997, 1999, 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/.  */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-
-void
-mpz_setbit (mpz_ptr d, unsigned long int bit_index)
-{
-  mp_size_t dsize = d->_mp_size;
-  mp_ptr dp = d->_mp_d;
-  mp_size_t limb_index;
-
-  limb_index = bit_index / GMP_NUMB_BITS;
-  if (dsize >= 0)
-    {
-      if (limb_index < dsize)
-	{
-	  dp[limb_index] |= (mp_limb_t) 1 << (bit_index % GMP_NUMB_BITS);
-	  d->_mp_size = dsize;
-	}
-      else
-	{
-	  /* Ugh.  The bit should be set outside of the end of the
-	     number.  We have to increase the size of the number.  */
-	  if (UNLIKELY (d->_mp_alloc < limb_index + 1))
-            dp = _mpz_realloc (d, limb_index + 1);
-	  MPN_ZERO (dp + dsize, limb_index - dsize);
-	  dp[limb_index] = (mp_limb_t) 1 << (bit_index % GMP_NUMB_BITS);
-	  d->_mp_size = limb_index + 1;
-	}
-    }
-  else
-    {
-      mp_size_t zero_bound;
-
-      /* Simulate two's complement arithmetic, i.e. simulate
-	 1. Set OP = ~(OP - 1) [with infinitely many leading ones].
-	 2. Set the bit.
-	 3. Set OP = ~OP + 1.  */
-
-      dsize = -dsize;
-
-      /* No upper bound on this loop, we're sure there's a non-zero limb
-	 sooner ot later.  */
-      for (zero_bound = 0; ; zero_bound++)
-	if (dp[zero_bound] != 0)
-	  break;
-
-      if (limb_index > zero_bound)
-	{
-	  if (limb_index < dsize)
-            {
-              mp_limb_t  dlimb;
-              dlimb = dp[limb_index];
-              dlimb &= ~((mp_limb_t) 1 << (bit_index % GMP_NUMB_BITS));
-              dp[limb_index] = dlimb;
-
-              if (UNLIKELY (dlimb == 0 && limb_index == dsize-1))
-                {
-                  /* high limb became zero, must normalize */
-                  do {
-                    dsize--;
-                  } while (dsize > 0 && dp[dsize-1] == 0);
-                  d->_mp_size = -dsize;
-                }
-            }
-	}
-      else if (limb_index == zero_bound)
-	{
-	  dp[limb_index] = ((dp[limb_index] - 1)
-			    & ~((mp_limb_t) 1 << (bit_index % GMP_NUMB_BITS))) + 1;
-	  if (dp[limb_index] == 0)
-	    {
-	      mp_size_t i;
-	      for (i = limb_index + 1; i < dsize; i++)
-		{
-		  dp[i] += 1;
-		  if (dp[i] != 0)
-		    goto fin;
-		}
-	      /* We got carry all way out beyond the end of D.  Increase
-		 its size (and allocation if necessary).  */
-	      dsize++;
-	      if (UNLIKELY (d->_mp_alloc < dsize))
-                dp = _mpz_realloc (d, dsize);
-	      dp[i] = 1;
-	      d->_mp_size = -dsize;
-	    fin:;
-	    }
-	}
-      else
-	{
-	  mpn_decr_u (dp + limb_index,
-		     (mp_limb_t) 1 << (bit_index % GMP_NUMB_BITS));
-	  dsize -= dp[dsize - 1] == 0;
-	  d->_mp_size = -dsize;
-	}
-    }
-}