mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 11:55:07 +07:00
90efba36ed
All it really did was throw a printk for no obvious reason. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/* ieee754 floating point arithmetic
|
|
* single and double precision
|
|
*
|
|
* BUGS
|
|
* not much dp done
|
|
* doesn't generate IEEE754_INEXACT
|
|
*
|
|
*/
|
|
/*
|
|
* MIPS floating point support
|
|
* Copyright (C) 1994-2000 Algorithmics Ltd.
|
|
*
|
|
* ########################################################################
|
|
*
|
|
* 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.
|
|
*
|
|
* ########################################################################
|
|
*/
|
|
|
|
#include <linux/compiler.h>
|
|
|
|
#include "ieee754int.h"
|
|
#include "ieee754sp.h"
|
|
#include "ieee754dp.h"
|
|
|
|
/* special constants
|
|
*/
|
|
|
|
#define DPSTR(s, b, mh, ml) \
|
|
{ \
|
|
.sign = (s), \
|
|
.bexp = (b), \
|
|
.manthi = (mh), \
|
|
.mantlo = (ml) \
|
|
}
|
|
|
|
const struct ieee754dp_const __ieee754dp_spcvals[] = {
|
|
DPSTR(0, DP_EMIN - 1 + DP_EBIAS, 0, 0), /* + zero */
|
|
DPSTR(1, DP_EMIN - 1 + DP_EBIAS, 0, 0), /* - zero */
|
|
DPSTR(0, DP_EBIAS, 0, 0), /* + 1.0 */
|
|
DPSTR(1, DP_EBIAS, 0, 0), /* - 1.0 */
|
|
DPSTR(0, 3 + DP_EBIAS, 0x40000, 0), /* + 10.0 */
|
|
DPSTR(1, 3 + DP_EBIAS, 0x40000, 0), /* - 10.0 */
|
|
DPSTR(0, DP_EMAX + 1 + DP_EBIAS, 0, 0), /* + infinity */
|
|
DPSTR(1, DP_EMAX + 1 + DP_EBIAS, 0, 0), /* - infinity */
|
|
DPSTR(0, DP_EMAX+1+DP_EBIAS, 0x7FFFF, 0xFFFFFFFF), /* + indef quiet Nan */
|
|
DPSTR(0, DP_EMAX + DP_EBIAS, 0xFFFFF, 0xFFFFFFFF), /* + max */
|
|
DPSTR(1, DP_EMAX + DP_EBIAS, 0xFFFFF, 0xFFFFFFFF), /* - max */
|
|
DPSTR(0, DP_EMIN + DP_EBIAS, 0, 0), /* + min normal */
|
|
DPSTR(1, DP_EMIN + DP_EBIAS, 0, 0), /* - min normal */
|
|
DPSTR(0, DP_EMIN - 1 + DP_EBIAS, 0, 1), /* + min denormal */
|
|
DPSTR(1, DP_EMIN - 1 + DP_EBIAS, 0, 1), /* - min denormal */
|
|
DPSTR(0, 31 + DP_EBIAS, 0, 0), /* + 1.0e31 */
|
|
DPSTR(0, 63 + DP_EBIAS, 0, 0), /* + 1.0e63 */
|
|
};
|
|
|
|
#define SPSTR(s, b, m) \
|
|
{ \
|
|
.sign = (s), \
|
|
.bexp = (b), \
|
|
.mant = (m) \
|
|
}
|
|
|
|
const struct ieee754sp_const __ieee754sp_spcvals[] = {
|
|
SPSTR(0, SP_EMIN - 1 + SP_EBIAS, 0), /* + zero */
|
|
SPSTR(1, SP_EMIN - 1 + SP_EBIAS, 0), /* - zero */
|
|
SPSTR(0, SP_EBIAS, 0), /* + 1.0 */
|
|
SPSTR(1, SP_EBIAS, 0), /* - 1.0 */
|
|
SPSTR(0, 3 + SP_EBIAS, 0x200000), /* + 10.0 */
|
|
SPSTR(1, 3 + SP_EBIAS, 0x200000), /* - 10.0 */
|
|
SPSTR(0, SP_EMAX + 1 + SP_EBIAS, 0), /* + infinity */
|
|
SPSTR(1, SP_EMAX + 1 + SP_EBIAS, 0), /* - infinity */
|
|
SPSTR(0, SP_EMAX+1+SP_EBIAS, 0x3FFFFF), /* + indef quiet Nan */
|
|
SPSTR(0, SP_EMAX + SP_EBIAS, 0x7FFFFF), /* + max normal */
|
|
SPSTR(1, SP_EMAX + SP_EBIAS, 0x7FFFFF), /* - max normal */
|
|
SPSTR(0, SP_EMIN + SP_EBIAS, 0), /* + min normal */
|
|
SPSTR(1, SP_EMIN + SP_EBIAS, 0), /* - min normal */
|
|
SPSTR(0, SP_EMIN - 1 + SP_EBIAS, 1), /* + min denormal */
|
|
SPSTR(1, SP_EMIN - 1 + SP_EBIAS, 1), /* - min denormal */
|
|
SPSTR(0, 31 + SP_EBIAS, 0), /* + 1.0e31 */
|
|
SPSTR(0, 63 + SP_EBIAS, 0), /* + 1.0e63 */
|
|
};
|