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

1 files changed, 0 insertions, 152 deletions

diff --git a/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c b/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c
deleted file mode 100644
index 21d1e62dab..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2002, 2003, 2004, 2006, 2007
-	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 <ieee754.h>
-#include <float.h>
-#include <math.h>
-
-/* Convert a multi-precision integer of the needed number of bits (106
-   for long double) and an integral power of two to a `long double' in
-   IBM extended format.  */
-
-long double
-__mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign)
-{
-  union ibm_extended_long_double u;
-  unsigned long lzcount;
-  unsigned long long hi, lo;
-  int exponent2;
-
-  u.ieee.negative = sign;
-  u.ieee.negative2 = sign;
-  u.ieee.exponent = expt + IBM_EXTENDED_LONG_DOUBLE_BIAS;
-  u.ieee.exponent2 = 0;
-  exponent2 = expt - 53 + IBM_EXTENDED_LONG_DOUBLE_BIAS;
-
-#if BITS_PER_MP_LIMB == 32
-  /* The low order 53 bits (52 + hidden) go into the lower double */
-  lo = frac_ptr[0];
-  lo |= (frac_ptr[1] & ((1LL << (53 - 32)) - 1)) << 32;
-  /* The high order 53 bits (52 + hidden) go into the upper double */
-  hi = (frac_ptr[1] >> (53 - 32)) & ((1 << 11) - 1);
-  hi |= ((unsigned long long) frac_ptr[2]) << 11;
-  hi |= ((unsigned long long) frac_ptr[3]) << (32 + 11);
-#elif BITS_PER_MP_LIMB == 64
-  /* The low order 53 bits (52 + hidden) go into the lower double */
-  lo = frac_ptr[0] & (((mp_limb_t) 1 << 53) - 1);
-  /* The high order 53 bits (52 + hidden) go into the upper double */
-  hi = (frac_ptr[0] >> 53) & (((mp_limb_t) 1 << 11) - 1);
-  hi |= (frac_ptr[1] << 11);
-#else
-  #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
-#endif
-
-  if ((hi & (1LL << 52)) == 0 && (hi | lo) != 0)
-    {
-      /* denormal number  */
-      unsigned long long val = hi ? hi : lo;
-
-      if (sizeof (val) == sizeof (long))
-	lzcount = __builtin_clzl (val);
-      else if ((val >> 32) != 0)
-	lzcount = __builtin_clzl ((long) (val >> 32));
-      else
-	lzcount = __builtin_clzl ((long) val) + 32;
-      if (hi)
-	lzcount = lzcount - 11;
-      else
-	lzcount = lzcount + 42;
-
-      if (lzcount > u.ieee.exponent)
-	{
-	  lzcount = u.ieee.exponent;
-	  u.ieee.exponent = 0;
-	  exponent2 -= lzcount;
-	}
-      else
-	{
-	  u.ieee.exponent -= (lzcount - 1);
-	  exponent2 -= (lzcount - 1);
-	}
-
-      if (lzcount <= 53)
-	{
-	  hi = (hi << lzcount) | (lo >> (53 - lzcount));
-	  lo = (lo << lzcount) & ((1LL << 53) - 1);
-	}
-      else
-	{
-	  hi = lo << (lzcount - 53);
-	  lo = 0;
-	}
-    }
-
-  if (lo != 0L)
-    {
-      /* hidden2 bit of low double controls rounding of the high double.
-	 If hidden2 is '1' and either the explicit mantissa is non-zero
-	 or hi is odd, then round up hi and adjust lo (2nd mantissa)
-	 plus change the sign of the low double to compensate.  */
-      if ((lo & (1LL << 52)) != 0
-	  && ((hi & 1) != 0 || (lo & ((1LL << 52) - 1))))
-	{
-	  hi++;
-	  if ((hi & ((1LL << 52) - 1)) == 0)
-	    {
-	      if ((hi & (1LL << 53)) != 0)
-		hi -= 1LL << 52;
-	      u.ieee.exponent++;
-	    }
-	  u.ieee.negative2 = !sign;
-	  lo = (1LL << 53) - lo;
-	}
-
-      /* The hidden bit of the lo mantissa is zero so we need to normalize
-	 it for the low double.  Shift it left until the hidden bit is '1'
-	 then adjust the 2nd exponent accordingly.  */
-
-      if (sizeof (lo) == sizeof (long))
-	lzcount = __builtin_clzl (lo);
-      else if ((lo >> 32) != 0)
-	lzcount = __builtin_clzl ((long) (lo >> 32));
-      else
-	lzcount = __builtin_clzl ((long) lo) + 32;
-      lzcount = lzcount - 11;
-      if (lzcount > 0)
-	{
-	  lo = lo << lzcount;
-	  exponent2 = exponent2 - lzcount;
-	}
-      if (exponent2 > 0)
-	u.ieee.exponent2 = exponent2;
-      else
-	lo >>= 1 - exponent2;
-    }
-  else
-    u.ieee.negative2 = 0;
-
-  u.ieee.mantissa3 = lo & 0xffffffffLL;
-  u.ieee.mantissa2 = (lo >> 32) & 0xfffff;
-  u.ieee.mantissa1 = hi & 0xffffffffLL;
-  u.ieee.mantissa0 = (hi >> 32) & ((1LL << (LDBL_MANT_DIG - 86)) - 1);
-
-  return u.d;
-}