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MIPS: math-emu: Remove unused code.

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Shrinks the FPU emulator by 4528 bytes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2014-04-25 00:29:50 +02:00
parent 1bc3320d95
commit dfbf42b844
21 changed files with 6 additions and 699 deletions
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13
arch/mips/math-emu/Makefile
View File

@ -2,12 +2,11 @@
# Makefile for the Linux/MIPS kernel FPU emulation.
#
obj-y := cp1emu.o ieee754m.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \
ieee754xcpt.o dp_frexp.o dp_modf.o dp_div.o dp_mul.o dp_sub.o \
dp_add.o dp_fsp.o dp_cmp.o dp_logb.o dp_scalb.o dp_simple.o \
dp_tint.o dp_fint.o dp_tlong.o dp_flong.o sp_frexp.o sp_modf.o \
sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_logb.o \
sp_scalb.o sp_simple.o sp_tint.o sp_fint.o sp_tlong.o sp_flong.o \
dp_sqrt.o sp_sqrt.o kernel_linkage.o dsemul.o
obj-y := cp1emu.o ieee754d.o ieee754dp.o ieee754sp.o ieee754.o \
ieee754xcpt.o dp_div.o dp_mul.o dp_sub.o dp_add.o dp_fsp.o \
dp_cmp.o dp_simple.o dp_tint.o dp_fint.o dp_tlong.o dp_flong.o \
sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_simple.o \
sp_tint.o sp_fint.o sp_tlong.o sp_flong.o dp_sqrt.o sp_sqrt.o \
kernel_linkage.o dsemul.o
obj-$(CONFIG_DEBUG_FS) += me-debugfs.o

8
arch/mips/math-emu/dp_fint.c
View File

@ -59,11 +59,3 @@ union ieee754dp ieee754dp_fint(int x)
}
return builddp(xs, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
}
union ieee754dp ieee754dp_funs(unsigned int u)
{
if ((int) u < 0)
return ieee754dp_add(ieee754dp_1e31(),
ieee754dp_fint(u & ~(1 << 31)));
return ieee754dp_fint(u);
}

8
arch/mips/math-emu/dp_flong.c
View File

@ -67,11 +67,3 @@ union ieee754dp ieee754dp_flong(s64 x)
}
DPNORMRET1(xs, xe, xm, "dp_flong", x);
}
union ieee754dp ieee754dp_fulong(u64 u)
{
if ((s64) u < 0)
return ieee754dp_add(ieee754dp_1e63(),
ieee754dp_flong(u & ~(1ULL << 63)));
return ieee754dp_flong(u);
}

52
arch/mips/math-emu/dp_frexp.c
View File

@ -1,52 +0,0 @@
/* IEEE754 floating point arithmetic
* double precision: common utilities
*/
/*
* 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 "ieee754dp.h"
/* close to ieeep754dp_logb
*/
union ieee754dp ieee754dp_frexp(union ieee754dp x, int *eptr)
{
COMPXDP;
ieee754_clearcx();
EXPLODEXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
case IEEE754_CLASS_ZERO:
*eptr = 0;
return x;
case IEEE754_CLASS_DNORM:
DPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
*eptr = xe + 1;
return builddp(xs, -1 + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
}

53
arch/mips/math-emu/dp_logb.c
View File

@ -1,53 +0,0 @@
/* IEEE754 floating point arithmetic
* double precision: common utilities
*/
/*
* 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 "ieee754dp.h"
union ieee754dp ieee754dp_logb(union ieee754dp x)
{
COMPXDP;
ieee754_clearcx();
EXPLODEXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
return ieee754dp_nanxcpt(x, "logb", x);
case IEEE754_CLASS_QNAN:
return x;
case IEEE754_CLASS_INF:
return ieee754dp_inf(0);
case IEEE754_CLASS_ZERO:
return ieee754dp_inf(1);
case IEEE754_CLASS_DNORM:
DPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
return ieee754dp_fint(xe);
}

79
arch/mips/math-emu/dp_modf.c
View File

@ -1,79 +0,0 @@
/* IEEE754 floating point arithmetic
* double precision: common utilities
*/
/*
* 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 "ieee754dp.h"
/* modf function is always exact for a finite number
*/
union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp *ip)
{
COMPXDP;
ieee754_clearcx();
EXPLODEXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
case IEEE754_CLASS_ZERO:
*ip = x;
return x;
case IEEE754_CLASS_DNORM:
/* far to small */
*ip = ieee754dp_zero(xs);
return x;
case IEEE754_CLASS_NORM:
break;
}
if (xe < 0) {
*ip = ieee754dp_zero(xs);
return x;
}
if (xe >= DP_FBITS) {
*ip = x;
return ieee754dp_zero(xs);
}
/* generate ipart mantissa by clearing bottom bits
*/
*ip = builddp(xs, xe + DP_EBIAS,
((xm >> (DP_FBITS - xe)) << (DP_FBITS - xe)) &
~DP_HIDDEN_BIT);
/* generate fpart mantissa by clearing top bits
* and normalizing (must be able to normalize)
*/
xm = (xm << (64 - (DP_FBITS - xe))) >> (64 - (DP_FBITS - xe));
if (xm == 0)
return ieee754dp_zero(xs);
while ((xm >> DP_FBITS) == 0) {
xm <<= 1;
xe--;
}
return builddp(xs, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
}

57
arch/mips/math-emu/dp_scalb.c
View File

@ -1,57 +0,0 @@
/* IEEE754 floating point arithmetic
* double precision: common utilities
*/
/*
* 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 "ieee754dp.h"
union ieee754dp ieee754dp_scalb(union ieee754dp x, int n)
{
COMPXDP;
ieee754_clearcx();
EXPLODEXDP;
switch (xc) {
case IEEE754_CLASS_SNAN:
return ieee754dp_nanxcpt(x, "scalb", x, n);
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
case IEEE754_CLASS_ZERO:
return x;
case IEEE754_CLASS_DNORM:
DPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
DPNORMRET2(xs, xe + n, xm << 3, "scalb", x, n);
}
union ieee754dp ieee754dp_ldexp(union ieee754dp x, int n)
{
return ieee754dp_scalb(x, n);
}

8
arch/mips/math-emu/dp_simple.c
View File

@ -26,14 +26,6 @@
#include "ieee754dp.h"
union ieee754dp ieee754dp_copysign(union ieee754dp x, union ieee754dp y)
{
ieee754_clearcx();
DPSIGN(x) = DPSIGN(y);
return x;
}
union ieee754dp ieee754dp_neg(union ieee754dp x)
{
COMPXDP;

13
arch/mips/math-emu/dp_tint.c
View File

@ -106,16 +106,3 @@ int ieee754dp_tint(union ieee754dp x)
else
return xm;
}
unsigned int ieee754dp_tuns(union ieee754dp x)
{
union ieee754dp hb = ieee754dp_1e31();
/* what if x < 0 ?? */
if (ieee754dp_lt(x, hb))
return (unsigned) ieee754dp_tint(x);
return (unsigned) ieee754dp_tint(ieee754dp_sub(x, hb)) |
((unsigned) 1 << 31);
}

13
arch/mips/math-emu/dp_tlong.c
View File

@ -110,16 +110,3 @@ s64 ieee754dp_tlong(union ieee754dp x)
else
return xm;
}
u64 ieee754dp_tulong(union ieee754dp x)
{
union ieee754dp hb = ieee754dp_1e63();
/* what if x < 0 ?? */
if (ieee754dp_lt(x, hb))
return (u64) ieee754dp_tlong(x);
return (u64) ieee754dp_tlong(ieee754dp_sub(x, hb)) |
(1ULL << 63);
}

53
arch/mips/math-emu/ieee754.h
View File

@ -72,11 +72,6 @@ int ieee754sp_class(union ieee754sp x);
union ieee754sp ieee754sp_abs(union ieee754sp x);
union ieee754sp ieee754sp_neg(union ieee754sp x);
union ieee754sp ieee754sp_scalb(union ieee754sp x, int);
union ieee754sp ieee754sp_logb(union ieee754sp x);
/* x with sign of y */
union ieee754sp ieee754sp_copysign(union ieee754sp x, union ieee754sp y);
union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y);
union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y);
@ -84,27 +79,13 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y);
union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y);
union ieee754sp ieee754sp_fint(int x);
union ieee754sp ieee754sp_funs(unsigned x);
union ieee754sp ieee754sp_flong(s64 x);
union ieee754sp ieee754sp_fulong(u64 x);
union ieee754sp ieee754sp_fdp(union ieee754dp x);
int ieee754sp_tint(union ieee754sp x);
unsigned int ieee754sp_tuns(union ieee754sp x);
s64 ieee754sp_tlong(union ieee754sp x);
u64 ieee754sp_tulong(union ieee754sp x);
int ieee754sp_cmp(union ieee754sp x, union ieee754sp y, int cop, int sig);
/*
* basic sp math
*/
union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp * ip);
union ieee754sp ieee754sp_frexp(union ieee754sp x, int *exp);
union ieee754sp ieee754sp_ldexp(union ieee754sp x, int exp);
union ieee754sp ieee754sp_ceil(union ieee754sp x);
union ieee754sp ieee754sp_floor(union ieee754sp x);
union ieee754sp ieee754sp_trunc(union ieee754sp x);
union ieee754sp ieee754sp_sqrt(union ieee754sp x);
@ -113,9 +94,6 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x);
*/
int ieee754dp_class(union ieee754dp x);
/* x with sign of y */
union ieee754dp ieee754dp_copysign(union ieee754dp x, union ieee754dp y);
union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y);
union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y);
union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y);
@ -123,38 +101,15 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y);
union ieee754dp ieee754dp_abs(union ieee754dp x);
union ieee754dp ieee754dp_neg(union ieee754dp x);
union ieee754dp ieee754dp_scalb(union ieee754dp x, int);
/* return exponent as integer in floating point format
*/
union ieee754dp ieee754dp_logb(union ieee754dp x);
union ieee754dp ieee754dp_fint(int x);
union ieee754dp ieee754dp_funs(unsigned x);
union ieee754dp ieee754dp_flong(s64 x);
union ieee754dp ieee754dp_fulong(u64 x);
union ieee754dp ieee754dp_fsp(union ieee754sp x);
union ieee754dp ieee754dp_ceil(union ieee754dp x);
union ieee754dp ieee754dp_floor(union ieee754dp x);
union ieee754dp ieee754dp_trunc(union ieee754dp x);
int ieee754dp_tint(union ieee754dp x);
unsigned int ieee754dp_tuns(union ieee754dp x);
s64 ieee754dp_tlong(union ieee754dp x);
u64 ieee754dp_tulong(union ieee754dp x);
int ieee754dp_cmp(union ieee754dp x, union ieee754dp y, int cop, int sig);
/*
* basic sp math
*/
union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp * ip);
union ieee754dp ieee754dp_frexp(union ieee754dp x, int *exp);
union ieee754dp ieee754dp_ldexp(union ieee754dp x, int exp);
union ieee754dp ieee754dp_ceil(union ieee754dp x);
union ieee754dp ieee754dp_floor(union ieee754dp x);
union ieee754dp ieee754dp_trunc(union ieee754dp x);
union ieee754dp ieee754dp_sqrt(union ieee754dp x);
@ -261,14 +216,6 @@ static inline int ieee754dp_ge(union ieee754dp x, union ieee754dp y)
return ieee754dp_cmp(x, y, IEEE754_CGT | IEEE754_CEQ, 0);
}
/*
* Like strtod
*/
union ieee754dp ieee754dp_fstr(const char *s, char **endp);
char *ieee754dp_tstr(union ieee754dp x, int prec, int fmt, int af);
/*
* The control status register
*/

55
arch/mips/math-emu/ieee754m.c
View File

@ -1,55 +0,0 @@
/*
* floor, trunc, ceil
*/
/*
* 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 "ieee754.h"
union ieee754dp ieee754dp_floor(union ieee754dp x)
{
union ieee754dp i;
if (ieee754dp_lt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
return ieee754dp_sub(i, ieee754dp_one(0));
else
return i;
}
union ieee754dp ieee754dp_ceil(union ieee754dp x)
{
union ieee754dp i;
if (ieee754dp_gt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
return ieee754dp_add(i, ieee754dp_one(0));
else
return i;
}
union ieee754dp ieee754dp_trunc(union ieee754dp x)
{
union ieee754dp i;
(void) ieee754dp_modf(x, &i);
return i;
}

9
arch/mips/math-emu/sp_fint.c
View File

@ -68,12 +68,3 @@ union ieee754sp ieee754sp_fint(int x)
}
SPNORMRET1(xs, xe, xm, "fint", x);
}
union ieee754sp ieee754sp_funs(unsigned int u)
{
if ((int) u < 0)
return ieee754sp_add(ieee754sp_1e31(),
ieee754sp_fint(u & ~(1 << 31)));
return ieee754sp_fint(u);
}

9
arch/mips/math-emu/sp_flong.c
View File

@ -67,12 +67,3 @@ union ieee754sp ieee754sp_flong(s64 x)
}
SPNORMRET1(xs, xe, xm, "sp_flong", x);
}
union ieee754sp ieee754sp_fulong(u64 u)
{
if ((s64) u < 0)
return ieee754sp_add(ieee754sp_1e63(),
ieee754sp_flong(u & ~(1ULL << 63)));
return ieee754sp_flong(u);
}

52
arch/mips/math-emu/sp_frexp.c
View File

@ -1,52 +0,0 @@
/* IEEE754 floating point arithmetic
* single precision
*/
/*
* 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 "ieee754sp.h"
/* close to ieeep754sp_logb
*/
union ieee754sp ieee754sp_frexp(union ieee754sp x, int *eptr)
{
COMPXSP;
ieee754_clearcx();
EXPLODEXSP;
switch (xc) {
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
case IEEE754_CLASS_ZERO:
*eptr = 0;
return x;
case IEEE754_CLASS_DNORM:
SPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
*eptr = xe + 1;
return buildsp(xs, -1 + SP_EBIAS, xm & ~SP_HIDDEN_BIT);
}

53
arch/mips/math-emu/sp_logb.c
View File

@ -1,53 +0,0 @@
/* IEEE754 floating point arithmetic
* single precision
*/
/*
* 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 "ieee754sp.h"
union ieee754sp ieee754sp_logb(union ieee754sp x)
{
COMPXSP;
ieee754_clearcx();
EXPLODEXSP;
switch (xc) {
case IEEE754_CLASS_SNAN:
return ieee754sp_nanxcpt(x, "logb", x);
case IEEE754_CLASS_QNAN:
return x;
case IEEE754_CLASS_INF:
return ieee754sp_inf(0);
case IEEE754_CLASS_ZERO:
return ieee754sp_inf(1);
case IEEE754_CLASS_DNORM:
SPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
return ieee754sp_fint(xe);
}

79
arch/mips/math-emu/sp_modf.c
View File

@ -1,79 +0,0 @@
/* IEEE754 floating point arithmetic
* single precision
*/
/*
* 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 "ieee754sp.h"
/* modf function is always exact for a finite number
*/
union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp *ip)
{
COMPXSP;
ieee754_clearcx();
EXPLODEXSP;
switch (xc) {
case IEEE754_CLASS_SNAN:
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
case IEEE754_CLASS_ZERO:
*ip = x;
return x;
case IEEE754_CLASS_DNORM:
/* far to small */
*ip = ieee754sp_zero(xs);
return x;
case IEEE754_CLASS_NORM:
break;
}
if (xe < 0) {
*ip = ieee754sp_zero(xs);
return x;
}
if (xe >= SP_FBITS) {
*ip = x;
return ieee754sp_zero(xs);
}
/* generate ipart mantissa by clearing bottom bits
*/
*ip = buildsp(xs, xe + SP_EBIAS,
((xm >> (SP_FBITS - xe)) << (SP_FBITS - xe)) &
~SP_HIDDEN_BIT);
/* generate fpart mantissa by clearing top bits
* and normalizing (must be able to normalize)
*/
xm = (xm << (32 - (SP_FBITS - xe))) >> (32 - (SP_FBITS - xe));
if (xm == 0)
return ieee754sp_zero(xs);
while ((xm >> SP_FBITS) == 0) {
xm <<= 1;
xe--;
}
return buildsp(xs, xe + SP_EBIAS, xm & ~SP_HIDDEN_BIT);
}

57
arch/mips/math-emu/sp_scalb.c
View File

@ -1,57 +0,0 @@
/* IEEE754 floating point arithmetic
* single precision
*/
/*
* 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 "ieee754sp.h"
union ieee754sp ieee754sp_scalb(union ieee754sp x, int n)
{
COMPXSP;
ieee754_clearcx();
EXPLODEXSP;
switch (xc) {
case IEEE754_CLASS_SNAN:
return ieee754sp_nanxcpt(x, "scalb", x, n);
case IEEE754_CLASS_QNAN:
case IEEE754_CLASS_INF:
case IEEE754_CLASS_ZERO:
return x;
case IEEE754_CLASS_DNORM:
SPDNORMX;
break;
case IEEE754_CLASS_NORM:
break;
}
SPNORMRET2(xs, xe + n, xm << 3, "scalb", x, n);
}
union ieee754sp ieee754sp_ldexp(union ieee754sp x, int n)
{
return ieee754sp_scalb(x, n);
}

8
arch/mips/math-emu/sp_simple.c
View File

@ -26,14 +26,6 @@
#include "ieee754sp.h"
union ieee754sp ieee754sp_copysign(union ieee754sp x, union ieee754sp y)
{
ieee754_clearcx();
SPSIGN(x) = SPSIGN(y);
return x;
}
union ieee754sp ieee754sp_neg(union ieee754sp x)
{
COMPXSP;

13
arch/mips/math-emu/sp_tint.c
View File

@ -110,16 +110,3 @@ int ieee754sp_tint(union ieee754sp x)
else
return xm;
}
unsigned int ieee754sp_tuns(union ieee754sp x)
{
union ieee754sp hb = ieee754sp_1e31();
/* what if x < 0 ?? */
if (ieee754sp_lt(x, hb))
return (unsigned) ieee754sp_tint(x);
return (unsigned) ieee754sp_tint(ieee754sp_sub(x, hb)) |
((unsigned) 1 << 31);
}

13
arch/mips/math-emu/sp_tlong.c
View File

@ -107,16 +107,3 @@ s64 ieee754sp_tlong(union ieee754sp x)
else
return xm;
}
u64 ieee754sp_tulong(union ieee754sp x)
{
union ieee754sp hb = ieee754sp_1e63();
/* what if x < 0 ?? */
if (ieee754sp_lt(x, hb))
return (u64) ieee754sp_tlong(x);
return (u64) ieee754sp_tlong(ieee754sp_sub(x, hb)) |
(1ULL << 63);
}