1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/* Machine-dependent software floating-point definitions. Sparc64 version.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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. */
#define _FP_W_TYPE_SIZE 64
#define _FP_W_TYPE unsigned long
#define _FP_WS_TYPE signed long
#define _FP_I_TYPE long
#define _FP_MUL_MEAT_S(R,X,Y) _FP_MUL_MEAT_1_imm(S,R,X,Y)
#define _FP_MUL_MEAT_D(R,X,Y) _FP_MUL_MEAT_1_wide(D,R,X,Y,umul_ppmm)
#define _FP_MUL_MEAT_Q(R,X,Y) _FP_MUL_MEAT_2_wide(Q,R,X,Y,umul_ppmm)
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv(D,R,X,Y)
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv_64(Q,R,X,Y)
#define _FP_NANFRAC_S _FP_QNANBIT_S
#define _FP_NANFRAC_D _FP_QNANBIT_D
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
#define _FP_KEEPNANFRACP 1
#define _FP_CHOOSENAN(fs, wc, R, X, Y) \
do { \
R##_s = Y##_s; \
_FP_FRAC_COPY_##wc(R,Y); \
R##_c = FP_CLS_NAN; \
} while (0)
#define __FP_UNPACK_RAW_1(fs, X, val) \
do { \
union _FP_UNION_##fs *_flo = \
(union _FP_UNION_##fs *)val; \
\
X##_f = _flo->bits.frac; \
X##_e = _flo->bits.exp; \
X##_s = _flo->bits.sign; \
} while (0)
#define __FP_PACK_RAW_1(fs, val, X) \
do { \
union _FP_UNION_##fs *_flo = \
(union _FP_UNION_##fs *)val; \
\
_flo->bits.frac = X##_f; \
_flo->bits.exp = X##_e; \
_flo->bits.sign = X##_s; \
} while (0)
#define __FP_UNPACK_RAW_2(fs, X, val) \
do { \
union _FP_UNION_##fs *_flo = \
(union _FP_UNION_##fs *)val; \
\
X##_f0 = _flo->bits.frac0; \
X##_f1 = _flo->bits.frac1; \
X##_e = _flo->bits.exp; \
X##_s = _flo->bits.sign; \
} while (0)
#define __FP_PACK_RAW_2(fs, val, X) \
do { \
union _FP_UNION_##fs *_flo = \
(union _FP_UNION_##fs *)val; \
\
_flo->bits.frac0 = X##_f0; \
_flo->bits.frac1 = X##_f1; \
_flo->bits.exp = X##_e; \
_flo->bits.sign = X##_s; \
} while (0)
#define __FP_UNPACK_S(X,val) \
do { \
__FP_UNPACK_RAW_1(S,X,val); \
_FP_UNPACK_CANONICAL(S,1,X); \
} while (0)
#define __FP_PACK_S(val,X) \
do { \
_FP_PACK_CANONICAL(S,1,X); \
__FP_PACK_RAW_1(S,val,X); \
} while (0)
#define __FP_UNPACK_D(X,val) \
do { \
__FP_UNPACK_RAW_1(D,X,val); \
_FP_UNPACK_CANONICAL(D,1,X); \
} while (0)
#define __FP_PACK_D(val,X) \
do { \
_FP_PACK_CANONICAL(D,1,X); \
__FP_PACK_RAW_1(D,val,X); \
} while (0)
#define __FP_UNPACK_Q(X,val) \
do { \
__FP_UNPACK_RAW_2(Q,X,val); \
_FP_UNPACK_CANONICAL(Q,2,X); \
} while (0)
#define __FP_PACK_Q(val,X) \
do { \
_FP_PACK_CANONICAL(Q,2,X); \
__FP_PACK_RAW_2(Q,val,X); \
} while (0)
#include <linux/types.h>
#include <asm/byteorder.h>
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
__asm__ ("addcc %4,%5,%1
add %2,%3,%0
bcs,a,pn %%xcc, 1f
add %0, 1, %0
1:" \
: "=r" ((UDItype)(sh)), \
"=&r" ((UDItype)(sl)) \
: "r" ((UDItype)(ah)), \
"r" ((UDItype)(bh)), \
"r" ((UDItype)(al)), \
"r" ((UDItype)(bl)) \
: "cc")
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
__asm__ ("subcc %4,%5,%1
sub %2,%3,%0
bcs,a,pn %%xcc, 1f
sub %0, 1, %0
1:" \
: "=r" ((UDItype)(sh)), \
"=&r" ((UDItype)(sl)) \
: "r" ((UDItype)(ah)), \
"r" ((UDItype)(bh)), \
"r" ((UDItype)(al)), \
"r" ((UDItype)(bl)) \
: "cc")
#define umul_ppmm(wh, wl, u, v) \
do { \
long tmp1 = 0, tmp2 = 0, tmp3 = 0; \
__asm__ ("mulx %2,%3,%1
srlx %2,32,%4
srl %3,0,%5
mulx %4,%5,%6
srlx %3,32,%4
srl %2,0,%5
mulx %4,%5,%5
srlx %2,32,%4
add %5,%6,%6
srlx %3,32,%5
mulx %4,%5,%4
srlx %6,32,%5
add %4,%5,%0" \
: "=r" ((UDItype)(wh)), \
"=&r" ((UDItype)(wl)) \
: "r" ((UDItype)(u)), \
"r" ((UDItype)(v)), \
"r" ((UDItype)(tmp1)), \
"r" ((UDItype)(tmp2)), \
"r" ((UDItype)(tmp3)) \
: "cc"); \
} while (0)
#define udiv_qrnnd(q, r, n1, n0, d) \
do { \
UWtype __d1, __d0, __q1, __q0, __r1, __r0, __m; \
__d1 = (d >> 32); \
__d0 = (USItype)d; \
\
__r1 = (n1) % __d1; \
__q1 = (n1) / __d1; \
__m = (UWtype) __q1 * __d0; \
__r1 = (__r1 << 32) | (n0 >> 32); \
if (__r1 < __m) \
{ \
__q1--, __r1 += (d); \
if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */ \
if (__r1 < __m) \
__q1--, __r1 += (d); \
} \
__r1 -= __m; \
\
__r0 = __r1 % __d1; \
__q0 = __r1 / __d1; \
__m = (UWtype) __q0 * __d0; \
__r0 = (__r0 << 32) | ((USItype)n0); \
if (__r0 < __m) \
{ \
__q0--, __r0 += (d); \
if (__r0 >= (d)) \
if (__r0 < __m) \
__q0--, __r0 += (d); \
} \
__r0 -= __m; \
\
(q) = (UWtype) (__q1 << 32) | __q0; \
(r) = __r0; \
} while (0)
#define UDIV_NEEDS_NORMALIZATION 1
#define abort() \
return 0
#ifdef __BIG_ENDIAN
#define __BYTE_ORDER __BIG_ENDIAN
#else
#define __BYTE_ORDER __LITTLE_ENDIAN
#endif
|