patch-2.4.20 linux-2.4.20/arch/mips64/math-emu/ieee754d.c

• Lines: 143
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.19/arch/mips64/math-emu/ieee754d.c
• Orig date: Mon Jul 2 13:56:41 2001

diff -urN linux-2.4.19/arch/mips64/math-emu/ieee754d.c linux-2.4.20/arch/mips64/math-emu/ieee754d.c
@@ -1,142 +0,0 @@
-/* some debug functions
-*/
-/*
- * MIPS floating point support
- * Copyright (C) 1994-2000 Algorithmics Ltd.  All rights reserved.
- * http://www.algor.co.uk
- *
- * ########################################################################
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- *  for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * ########################################################################
- */
-
-/**************************************************************************
- *  Nov 7, 2000
- *  Modified to build and operate in Linux kernel environment. 
- *
- *  Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
- *  Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
- *************************************************************************/
-
-#include "ieee754.h"
-
-#define DP_EBIAS	1023
-#define DP_EMIN		(-1022)
-#define DP_EMAX		1023
-#define DP_FBITS	52
-
-#define SP_EBIAS	127
-#define SP_EMIN		(-126)
-#define SP_EMAX		127
-#define SP_FBITS	23
-
-#define DP_MBIT(x)	((unsigned long long)1 << (x))
-#define DP_HIDDEN_BIT	DP_MBIT(DP_FBITS)
-#define DP_SIGN_BIT	DP_MBIT(63)
-
-
-#define SP_MBIT(x)	((unsigned long)1 << (x))
-#define SP_HIDDEN_BIT	SP_MBIT(SP_FBITS)
-#define SP_SIGN_BIT	SP_MBIT(31)
-
-
-#define SPSIGN(sp)	(sp.parts.sign)
-#define SPBEXP(sp)	(sp.parts.bexp)
-#define SPMANT(sp)	(sp.parts.mant)
-
-#define DPSIGN(dp)	(dp.parts.sign)
-#define DPBEXP(dp)	(dp.parts.bexp)
-#define DPMANT(dp)	(dp.parts.mant)
-
-ieee754dp ieee754dp_dump(char *m, ieee754dp x)
-{
-	int i;
-
-	printk("%s", m);
-	printk("<%08x,%08x>\n", (unsigned) (x.bits >> 32),
-	       (unsigned) x.bits);
-	printk("\t=");
-	switch (ieee754dp_class(x)) {
-	case IEEE754_CLASS_QNAN:
-	case IEEE754_CLASS_SNAN:
-		printk("Nan %c", DPSIGN(x) ? '-' : '+');
-		for (i = DP_FBITS - 1; i >= 0; i--)
-			printk("%c", DPMANT(x) & DP_MBIT(i) ? '1' : '0');
-		break;
-	case IEEE754_CLASS_INF:
-		printk("%cInfinity", DPSIGN(x) ? '-' : '+');
-		break;
-	case IEEE754_CLASS_ZERO:
-		printk("%cZero", DPSIGN(x) ? '-' : '+');
-		break;
-	case IEEE754_CLASS_DNORM:
-		printk("%c0.", DPSIGN(x) ? '-' : '+');
-		for (i = DP_FBITS - 1; i >= 0; i--)
-			printk("%c", DPMANT(x) & DP_MBIT(i) ? '1' : '0');
-		printk("e%d", DPBEXP(x) - DP_EBIAS);
-		break;
-	case IEEE754_CLASS_NORM:
-		printk("%c1.", DPSIGN(x) ? '-' : '+');
-		for (i = DP_FBITS - 1; i >= 0; i--)
-			printk("%c", DPMANT(x) & DP_MBIT(i) ? '1' : '0');
-		printk("e%d", DPBEXP(x) - DP_EBIAS);
-		break;
-	default:
-		printk("Illegal/Unknown IEEE754 value class");
-	}
-	printk("\n");
-	return x;
-}
-
-ieee754sp ieee754sp_dump(char *m, ieee754sp x)
-{
-	int i;
-
-	printk("%s=", m);
-	printk("<%08x>\n", (unsigned) x.bits);
-	printk("\t=");
-	switch (ieee754sp_class(x)) {
-	case IEEE754_CLASS_QNAN:
-	case IEEE754_CLASS_SNAN:
-		printk("Nan %c", SPSIGN(x) ? '-' : '+');
-		for (i = SP_FBITS - 1; i >= 0; i--)
-			printk("%c", SPMANT(x) & SP_MBIT(i) ? '1' : '0');
-		break;
-	case IEEE754_CLASS_INF:
-		printk("%cInfinity", SPSIGN(x) ? '-' : '+');
-		break;
-	case IEEE754_CLASS_ZERO:
-		printk("%cZero", SPSIGN(x) ? '-' : '+');
-		break;
-	case IEEE754_CLASS_DNORM:
-		printk("%c0.", SPSIGN(x) ? '-' : '+');
-		for (i = SP_FBITS - 1; i >= 0; i--)
-			printk("%c", SPMANT(x) & SP_MBIT(i) ? '1' : '0');
-		printk("e%d", SPBEXP(x) - SP_EBIAS);
-		break;
-	case IEEE754_CLASS_NORM:
-		printk("%c1.", SPSIGN(x) ? '-' : '+');
-		for (i = SP_FBITS - 1; i >= 0; i--)
-			printk("%c", SPMANT(x) & SP_MBIT(i) ? '1' : '0');
-		printk("e%d", SPBEXP(x) - SP_EBIAS);
-		break;
-	default:
-		printk("Illegal/Unknown IEEE754 value class");
-	}
-	printk("\n");
-	return x;
-}
-