[gcc] GCC 4.5.0=>4.5.1

gcc/gmp/mpz/cfdiv_r_2exp.c

Index: gcc/gmp/mpz/cfdiv_r_2exp.c
diff --git a/gcc/gmp/mpz/cfdiv_r_2exp.c b/gcc/gmp/mpz/cfdiv_r_2exp.c
deleted file mode 100644
index 005779f15c130517f124479d39bdb28cfbb40a3d..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpz/cfdiv_r_2exp.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* mpz_cdiv_r_2exp, mpz_fdiv_r_2exp -- remainder from mpz divided by 2^n.
-
-Copyright 2001, 2002, 2004 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"
-
-
-/* Bit mask of "n" least significant bits of a limb. */
-#define LOW_MASK(n)   ((CNST_LIMB(1) << (n)) - 1)
-
-
-/* dir==1 for ceil, dir==-1 for floor */
-
-static void __gmpz_cfdiv_r_2exp __GMP_PROTO ((REGPARM_3_1 (mpz_ptr w, mpz_srcptr u, unsigned long cnt, int dir))) REGPARM_ATTR (1);
-#define cfdiv_r_2exp(w,u,cnt,dir)  __gmpz_cfdiv_r_2exp (REGPARM_3_1 (w, u, cnt, dir))
-
-REGPARM_ATTR (1) static void
-cfdiv_r_2exp (mpz_ptr w, mpz_srcptr u, unsigned long cnt, int dir)
-{
-  mp_size_t  usize, abs_usize, limb_cnt, i;
-  mp_srcptr  up;
-  mp_ptr     wp;
-  mp_limb_t  high;
-
-  usize = SIZ(u);
-  if (usize == 0)
-    {
-      SIZ(w) = 0;
-      return;
-    }
-
-  limb_cnt = cnt / GMP_NUMB_BITS;
-  cnt %= GMP_NUMB_BITS;
-  abs_usize = ABS (usize);
-
-  /* MPZ_REALLOC(w) below is only when w!=u, so we can fetch PTR(u) here
-     nice and early */
-  up = PTR(u);
-
-  if ((usize ^ dir) < 0)
-    {
-      /* Round towards zero, means just truncate */
-
-      if (w == u)
-        {
-          /* if already smaller than limb_cnt then do nothing */
-          if (abs_usize <= limb_cnt)
-            return;
-          wp = PTR(w);
-        }
-      else
-        {
-          i = MIN (abs_usize, limb_cnt+1);
-          MPZ_REALLOC (w, i);
-          wp = PTR(w);
-          MPN_COPY (wp, up, i);
-
-          /* if smaller than limb_cnt then only the copy is needed */
-          if (abs_usize <= limb_cnt)
-            {
-              SIZ(w) = usize;
-              return;
-            }
-        }
-    }
-  else
-    {
-      /* Round away from zero, means twos complement if non-zero */
-
-      /* if u!=0 and smaller than divisor, then must negate */
-      if (abs_usize <= limb_cnt)
-        goto negate;
-
-      /* if non-zero low limb, then must negate */
-      for (i = 0; i < limb_cnt; i++)
-        if (up[i] != 0)
-          goto negate;
-
-      /* if non-zero partial limb, then must negate */
-      if ((up[limb_cnt] & LOW_MASK (cnt)) != 0)
-        goto negate;
-
-      /* otherwise low bits of u are zero, so that's the result */
-      SIZ(w) = 0;
-      return;
-
-    negate:
-      /* twos complement negation to get 2**cnt-u */
-
-      MPZ_REALLOC (w, limb_cnt+1);
-      up = PTR(u);
-      wp = PTR(w);
-
-      /* Ones complement */
-      i = MIN (abs_usize, limb_cnt+1);
-      mpn_com_n (wp, up, i);
-      for ( ; i <= limb_cnt; i++)
-        wp[i] = GMP_NUMB_MAX;
-
-      /* Twos complement.  Since u!=0 in the relevant part, the twos
-         complement never gives 0 and a carry, so can use MPN_INCR_U. */
-      MPN_INCR_U (wp, limb_cnt+1, CNST_LIMB(1));
-
-      usize = -usize;
-    }
-
-  /* Mask the high limb */
-  high = wp[limb_cnt];
-  high &= LOW_MASK (cnt);
-  wp[limb_cnt] = high;
-
-  /* Strip any consequent high zeros */
-  while (high == 0)
-    {
-      limb_cnt--;
-      if (limb_cnt < 0)
-        {
-          SIZ(w) = 0;
-          return;
-        }
-      high = wp[limb_cnt];
-    }
-
-  limb_cnt++;
-  SIZ(w) = (usize >= 0 ? limb_cnt : -limb_cnt);
-}
-
-
-void
-mpz_cdiv_r_2exp (mpz_ptr w, mpz_srcptr u, unsigned long cnt)
-{
-  cfdiv_r_2exp (w, u, cnt, 1);
-}
-
-void
-mpz_fdiv_r_2exp (mpz_ptr w, mpz_srcptr u, unsigned long cnt)
-{
-  cfdiv_r_2exp (w, u, cnt, -1);
-}