Shrinks the FPU emulator by 4528 bytes.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
# 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
}
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);
-}
}
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);
-}
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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);
-}
#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;
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);
-}
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);
-}
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);
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);
*/
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);
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);
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
*/
+++ /dev/null
-/*
- * 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;
-}
}
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);
-}
}
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);
-}
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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);
-}
+++ /dev/null
-/* 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);
-}
#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;
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);
-}
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);
-}
projects / karo-tx-linux.git / commitdiff