patch-2.3.16 linux/arch/sparc64/math-emu/soft-fp.h

• Lines: 177
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.15/linux/arch/sparc64/math-emu/soft-fp.h
• Orig date: Sat May 29 11:09:04 1999

diff -u --recursive --new-file v2.3.15/linux/arch/sparc64/math-emu/soft-fp.h linux/arch/sparc64/math-emu/soft-fp.h
@@ -1,176 +0,0 @@
-/* Software floating-point emulation.
-   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),
-		  David S. Miller (davem@redhat.com) 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.  */
-
-#ifndef SOFT_FP_H
-#define SOFT_FP_H
-
-#include "sfp-machine.h"
-
-/* Allow sfp-machine to have its own byte order definitions. */
-#ifndef __BYTE_ORDER
-#include <endian.h>
-#endif
-
-#define _FP_WORKBITS		3
-#define _FP_WORK_LSB		((_FP_W_TYPE)1 << 3)
-#define _FP_WORK_ROUND		((_FP_W_TYPE)1 << 2)
-#define _FP_WORK_GUARD		((_FP_W_TYPE)1 << 1)
-#define _FP_WORK_STICKY		((_FP_W_TYPE)1 << 0)
-
-#ifndef FP_RND_NEAREST
-# define FP_RND_NEAREST		0
-# define FP_RND_ZERO		1
-# define FP_RND_PINF		2
-# define FP_RND_MINF		3
-#ifndef FP_ROUNDMODE
-# define FP_ROUNDMODE		FP_RND_NEAREST
-#endif
-#endif
-
-/* By default don't care about exceptions. */
-#ifndef FP_EX_INVALID
-#define FP_EX_INVALID		0
-#endif
-#ifndef FP_EX_OVERFLOW
-#define FP_EX_OVERFLOW		0
-#endif
-#ifndef FP_EX_UNDERFLOW
-#define FP_EX_UNDERFLOW		
-#endif
-#ifndef FP_EX_DIVZERO
-#define FP_EX_DIVZERO		0
-#endif
-#ifndef FP_EX_INEXACT
-#define FP_EX_INEXACT		0
-#endif
-#ifndef FP_EX_DENORM
-#define FP_EX_DENORM		0
-#endif
-
-#ifdef _FP_DECL_EX
-#define FP_DECL_EX					\
-  int _fex = 0;						\
-  _FP_DECL_EX
-#else
-#define FP_DECL_EX int _fex = 0
-#endif
-  
-#ifndef FP_INIT_ROUNDMODE
-#define FP_INIT_ROUNDMODE do {} while (0)
-#endif
-
-#ifndef FP_HANDLE_EXCEPTIONS
-#define FP_HANDLE_EXCEPTIONS do {} while (0)
-#endif
-
-#ifndef FP_INHIBIT_RESULTS
-/* By default we write the results always.
- * sfp-machine may override this and e.g.
- * check if some exceptions are unmasked
- * and inhibit it in such a case.
- */
-#define FP_INHIBIT_RESULTS 0
-#endif
-
-#define FP_SET_EXCEPTION(ex)				\
-  _fex |= (ex)
-  
-#define FP_UNSET_EXCEPTION(ex)				\
-  _fex &= ~(ex)
-
-#define FP_CLEAR_EXCEPTIONS				\
-  _fex = 0
-
-#define _FP_ROUND_NEAREST(wc, X)			\
-do {							\
-    if ((_FP_FRAC_LOW_##wc(X) & 15) != _FP_WORK_ROUND)	\
-      _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND);		\
-} while (0)
-
-#define _FP_ROUND_ZERO(wc, X)		0
-
-#define _FP_ROUND_PINF(wc, X)				\
-do {							\
-    if (!X##_s && (_FP_FRAC_LOW_##wc(X) & 7))		\
-      _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB);		\
-} while (0)
-
-#define _FP_ROUND_MINF(wc, X)				\
-do {							\
-    if (X##_s && (_FP_FRAC_LOW_##wc(X) & 7))		\
-      _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB);		\
-} while (0)
-
-#define _FP_ROUND(wc, X)			\
-do {						\
-	if (_FP_FRAC_LOW_##wc(X) & 7)		\
-	  FP_SET_EXCEPTION(FP_EX_INEXACT);	\
-	switch (FP_ROUNDMODE)			\
-	{					\
-	  case FP_RND_NEAREST:			\
-	    _FP_ROUND_NEAREST(wc,X);		\
-	    break;				\
-	  case FP_RND_ZERO:			\
-	    _FP_ROUND_ZERO(wc,X);		\
-	    break;				\
-	  case FP_RND_PINF:			\
-	    _FP_ROUND_PINF(wc,X);		\
-	    break;				\
-	  case FP_RND_MINF:			\
-	    _FP_ROUND_MINF(wc,X);		\
-	    break;				\
-	}					\
-} while (0)
-
-#define FP_CLS_NORMAL		0
-#define FP_CLS_ZERO		1
-#define FP_CLS_INF		2
-#define FP_CLS_NAN		3
-
-#define _FP_CLS_COMBINE(x,y)	(((x) << 2) | (y))
-
-#include "op-1.h"
-#include "op-2.h"
-#include "op-4.h"
-#include "op-8.h"
-#include "op-common.h"
-
-/* Sigh.  Silly things longlong.h needs.  */
-#define UWtype		_FP_W_TYPE
-#define W_TYPE_SIZE	_FP_W_TYPE_SIZE
-
-typedef int SItype __attribute__((mode(SI)));
-typedef int DItype __attribute__((mode(DI)));
-typedef unsigned int USItype __attribute__((mode(SI)));
-typedef unsigned int UDItype __attribute__((mode(DI)));
-#if _FP_W_TYPE_SIZE == 32
-typedef unsigned int UHWtype __attribute__((mode(HI)));
-#elif _FP_W_TYPE_SIZE == 64
-typedef USItype UHWtype;
-#endif
-
-#ifndef umul_ppmm
-#include <stdlib/longlong.h>
-#endif
-
-#endif