patch-2.3.16 linux/arch/sparc64/math-emu/op-8.h

• Lines: 104
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.15/linux/arch/sparc64/math-emu/op-8.h
• Orig date: Sat May 29 11:09:04 1999

diff -u --recursive --new-file v2.3.15/linux/arch/sparc64/math-emu/op-8.h linux/arch/sparc64/math-emu/op-8.h
@@ -1,103 +0,0 @@
-/* Software floating-point emulation.
-   Basic eight-word fraction declaration and manipulation.
-   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@cygnus.com),
-		  Jakub Jelinek (jj@ultra.linux.cz) and
-		  Peter Maydell (pmaydell@chiark.greenend.org.uk).
-                                                         
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, write to the Free Software Foundation, Inc.,
-   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-/* We need just a few things from here for op-4, if we ever need some
-   other macros, they can be added. */
-#define _FP_FRAC_DECL_8(X)	_FP_W_TYPE X##_f[8]
-#define _FP_FRAC_HIGH_8(X)	(X##_f[7])
-#define _FP_FRAC_LOW_8(X)	(X##_f[0])
-#define _FP_FRAC_WORD_8(X,w)	(X##_f[w])
-
-#define _FP_FRAC_SLL_8(X,N)						\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _up = (N) % _FP_W_TYPE_SIZE;					\
-    _down = _FP_W_TYPE_SIZE - _up;					\
-    if (!_up)								\
-      for (_i = 7; _i >= _skip; --_i)					\
-	X##_f[_i] = X##_f[_i-_skip];					\
-    else								\
-      {									\
-	for (_i = 7; _i > _skip; --_i)					\
-	  X##_f[_i] = X##_f[_i-_skip] << _up				\
-		      | X##_f[_i-_skip-1] >> _down;			\
-	X##_f[_i--] = X##_f[0] << _up; 					\
-      }									\
-    for (; _i >= 0; --_i)						\
-      X##_f[_i] = 0;							\
-  } while (0)
-
-#define _FP_FRAC_SRL_8(X,N)						\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _down = (N) % _FP_W_TYPE_SIZE;					\
-    _up = _FP_W_TYPE_SIZE - _down;					\
-    if (!_down)								\
-      for (_i = 0; _i <= 7-_skip; ++_i)					\
-	X##_f[_i] = X##_f[_i+_skip];					\
-    else								\
-      {									\
-	for (_i = 0; _i < 7-_skip; ++_i)				\
-	  X##_f[_i] = X##_f[_i+_skip] >> _down				\
-		      | X##_f[_i+_skip+1] << _up;			\
-	X##_f[_i++] = X##_f[7] >> _down;				\
-      }									\
-    for (; _i < 8; ++_i)						\
-      X##_f[_i] = 0;							\
-  } while (0)
-
-
-/* Right shift with sticky-lsb. 
- * What this actually means is that we do a standard right-shift,
- * but that if any of the bits that fall off the right hand side
- * were one then we always set the LSbit.
- */
-#define _FP_FRAC_SRS_8(X,N,size)					\
-  do {									\
-    _FP_I_TYPE _up, _down, _skip, _i;					\
-    _FP_W_TYPE _s;							\
-    _skip = (N) / _FP_W_TYPE_SIZE;					\
-    _down = (N) % _FP_W_TYPE_SIZE;					\
-    _up = _FP_W_TYPE_SIZE - _down;					\
-    for (_s = _i = 0; _i < _skip; ++_i)					\
-      _s |= X##_f[_i];							\
-    _s |= X##_f[_i] << _up;						\
-/* s is now != 0 if we want to set the LSbit */				\
-    if (!_down)								\
-      for (_i = 0; _i <= 7-_skip; ++_i)					\
-	X##_f[_i] = X##_f[_i+_skip];					\
-    else								\
-      {									\
-	for (_i = 0; _i < 7-_skip; ++_i)				\
-	  X##_f[_i] = X##_f[_i+_skip] >> _down				\
-		      | X##_f[_i+_skip+1] << _up;			\
-	X##_f[_i++] = X##_f[7] >> _down;				\
-      }									\
-    for (; _i < 8; ++_i)						\
-      X##_f[_i] = 0;							\
-    /* don't fix the LSB until the very end when we're sure f[0] is stable */	\
-    X##_f[0] |= (_s != 0);						\
-  } while (0)
-