(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 0 insertions, 175 deletions

diff --git a/sysdeps/ieee754/ldbl-128ibm/ldbl2mpn.c b/sysdeps/ieee754/ldbl-128ibm/ldbl2mpn.c
deleted file mode 100644
index 18a2e67..0000000
--- a/sysdeps/ieee754/ldbl-128ibm/ldbl2mpn.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/* Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006
-	Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C 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 C 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 C Library; 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"
-#include "longlong.h"
-#include <ieee754.h>
-#include <float.h>
-#include <math.h>
-#include <stdlib.h>
-
-/* Convert a `long double' in IBM extended format to a multi-precision
-   integer representing the significand scaled up by its number of
-   bits (106 for long double) and an integral power of two (MPN
-   frexpl). */
-
-mp_size_t
-__mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
-			   int *expt, int *is_neg,
-			   long double value)
-{
-  union ibm_extended_long_double u;
-  unsigned long long hi, lo;
-  int ediff;
-  u.d = value;
-
-  *is_neg = u.ieee.negative;
-  *expt = (int) u.ieee.exponent - IBM_EXTENDED_LONG_DOUBLE_BIAS;
-
-  lo = ((long long) u.ieee.mantissa2 << 32) | u.ieee.mantissa3;
-  hi = ((long long) u.ieee.mantissa0 << 32) | u.ieee.mantissa1;
-  /* If the lower double is not a denomal or zero then set the hidden
-     53rd bit.  */
-  if (u.ieee.exponent2 > 0)
-    {
-      lo |= 1LL << 52;
-
-      /* The lower double is normalized separately from the upper.  We may
-	 need to adjust the lower manitissa to reflect this.  */
-      ediff = u.ieee.exponent - u.ieee.exponent2;
-      if (ediff > 53)
-	lo = lo >> (ediff-53);
-    }
-  /* The high double may be rounded and the low double reflects the
-     difference between the long double and the rounded high double
-     value.  This is indicated by a differnce between the signs of the
-     high and low doubles.  */
-  if ((u.ieee.negative != u.ieee.negative2)
-      && ((u.ieee.exponent2 != 0) && (lo != 0L)))
-    {
-      lo = (1ULL << 53) - lo;
-      if (hi == 0LL)
-	{
-	  /* we have a borrow from the hidden bit, so shift left 1.  */
-	  hi = 0x0ffffffffffffeLL | (lo >> 51);
-	  lo = 0x1fffffffffffffLL & (lo << 1);
-	  (*expt)--;
-	}
-      else
-	hi--;
-    }
-#if BITS_PER_MP_LIMB == 32
-  /* Combine the mantissas to be contiguous.  */
-  res_ptr[0] = lo;
-  res_ptr[1] = (hi << (53 - 32)) | (lo >> 32);
-  res_ptr[2] = hi >> 11;
-  res_ptr[3] = hi >> (32 + 11);
-  #define N 4
-#elif BITS_PER_MP_LIMB == 64
-  /* Combine the two mantissas to be contiguous.  */
-  res_ptr[0] = (hi << 53) | lo;
-  res_ptr[1] = hi >> 11;
-  #define N 2
-#else
-  #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
-#endif
-/* The format does not fill the last limb.  There are some zeros.  */
-#define NUM_LEADING_ZEROS (BITS_PER_MP_LIMB \
-			   - (LDBL_MANT_DIG - ((N - 1) * BITS_PER_MP_LIMB)))
-
-  if (u.ieee.exponent == 0)
-    {
-      /* A biased exponent of zero is a special case.
-	 Either it is a zero or it is a denormal number.  */
-      if (res_ptr[0] == 0 && res_ptr[1] == 0
-	  && res_ptr[N - 2] == 0 && res_ptr[N - 1] == 0) /* Assumes N<=4.  */
-	/* It's zero.  */
-	*expt = 0;
-      else
-	{
-	  /* It is a denormal number, meaning it has no implicit leading
-  	     one bit, and its exponent is in fact the format minimum.  */
-	  int cnt;
-
-#if N == 2
-	  if (res_ptr[N - 1] != 0)
-	    {
-	      count_leading_zeros (cnt, res_ptr[N - 1]);
-	      cnt -= NUM_LEADING_ZEROS;
-	      res_ptr[N - 1] = res_ptr[N - 1] << cnt
-			       | (res_ptr[0] >> (BITS_PER_MP_LIMB - cnt));
-	      res_ptr[0] <<= cnt;
-	      *expt = LDBL_MIN_EXP - 1 - cnt;
-	    }
-	  else
-	    {
-	      count_leading_zeros (cnt, res_ptr[0]);
-	      if (cnt >= NUM_LEADING_ZEROS)
-		{
-		  res_ptr[N - 1] = res_ptr[0] << (cnt - NUM_LEADING_ZEROS);
-		  res_ptr[0] = 0;
-		}
-	      else
-		{
-		  res_ptr[N - 1] = res_ptr[0] >> (NUM_LEADING_ZEROS - cnt);
-		  res_ptr[0] <<= BITS_PER_MP_LIMB - (NUM_LEADING_ZEROS - cnt);
-		}
-	      *expt = LDBL_MIN_EXP - 1
-		- (BITS_PER_MP_LIMB - NUM_LEADING_ZEROS) - cnt;
-	    }
-#else
-	  int j, k, l;
-
-	  for (j = N - 1; j > 0; j--)
-	    if (res_ptr[j] != 0)
-	      break;
-
-	  count_leading_zeros (cnt, res_ptr[j]);
-	  cnt -= NUM_LEADING_ZEROS;
-	  l = N - 1 - j;
-	  if (cnt < 0)
-	    {
-	      cnt += BITS_PER_MP_LIMB;
-	      l--;
-	    }
-	  if (!cnt)
-	    for (k = N - 1; k >= l; k--)
-	      res_ptr[k] = res_ptr[k-l];
-	  else
-	    {
-	      for (k = N - 1; k > l; k--)
-		res_ptr[k] = res_ptr[k-l] << cnt
-			     | res_ptr[k-l-1] >> (BITS_PER_MP_LIMB - cnt);
-	      res_ptr[k--] = res_ptr[0] << cnt;
-	    }
-
-	  for (; k >= 0; k--)
-	    res_ptr[k] = 0;
-	  *expt = LDBL_MIN_EXP - 1 - l * BITS_PER_MP_LIMB - cnt;
-#endif
-	}
-    }
-  else
-    /* Add the implicit leading one bit for a normalized number.  */
-    res_ptr[N - 1] |= (mp_limb_t) 1 << (LDBL_MANT_DIG - 1
-					- ((N - 1) * BITS_PER_MP_LIMB));
-
-  return N;
-}