Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * MIPS floating point support | |
3 | * Copyright (C) 1994-2000 Algorithmics Ltd. | |
1da177e4 | 4 | * |
1da177e4 LT |
5 | * This program is free software; you can distribute it and/or modify it |
6 | * under the terms of the GNU General Public License (Version 2) as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along | |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
17 | * | |
1da177e4 LT |
18 | * Nov 7, 2000 |
19 | * Modification to allow integration with Linux kernel | |
20 | * | |
21 | * Kevin D. Kissell, kevink@mips.com and Carsten Langgard, carstenl@mips.com | |
22 | * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. | |
cd21dfcf | 23 | */ |
a663bf90 RB |
24 | #ifndef __ARCH_MIPS_MATH_EMU_IEEE754_H |
25 | #define __ARCH_MIPS_MATH_EMU_IEEE754_H | |
1da177e4 | 26 | |
cae55066 | 27 | #include <linux/compiler.h> |
cd21dfcf | 28 | #include <asm/byteorder.h> |
1da177e4 | 29 | #include <linux/types.h> |
cd21dfcf | 30 | #include <linux/sched.h> |
f80cc08d | 31 | #include <asm/bitfield.h> |
1da177e4 LT |
32 | |
33 | /* | |
34 | * Not very pretty, but the Linux kernel's normal va_list definition | |
35 | * does not allow it to be used as a structure element, as it is here. | |
36 | */ | |
37 | #ifndef _STDARG_H | |
38 | #include <stdarg.h> | |
39 | #endif | |
40 | ||
23708818 | 41 | struct ieee754dp_const { |
f80cc08d RB |
42 | __BITFIELD_FIELD(unsigned sign:1, |
43 | __BITFIELD_FIELD(unsigned bexp:11, | |
44 | __BITFIELD_FIELD(unsigned manthi:20, | |
45 | __BITFIELD_FIELD(unsigned mantlo:32, | |
46 | ;)))) | |
1da177e4 LT |
47 | }; |
48 | ||
2209bcb1 | 49 | union ieee754dp { |
23708818 | 50 | struct ieee754dp_const oparts; |
1da177e4 | 51 | struct { |
f80cc08d RB |
52 | __BITFIELD_FIELD(unsigned int sign:1, |
53 | __BITFIELD_FIELD(unsigned int bexp:11, | |
54 | __BITFIELD_FIELD(u64 mant:52, | |
55 | ;))) | |
1da177e4 LT |
56 | } parts; |
57 | double d; | |
58 | u64 bits; | |
2209bcb1 | 59 | }; |
1da177e4 | 60 | |
23708818 | 61 | struct ieee754sp_const { |
f80cc08d RB |
62 | __BITFIELD_FIELD(unsigned sign:1, |
63 | __BITFIELD_FIELD(unsigned bexp:8, | |
64 | __BITFIELD_FIELD(unsigned mant:23, | |
65 | ;))) | |
1da177e4 LT |
66 | }; |
67 | ||
2209bcb1 | 68 | union ieee754sp { |
23708818 | 69 | struct ieee754sp_const parts; |
1da177e4 LT |
70 | float f; |
71 | u32 bits; | |
2209bcb1 | 72 | }; |
1da177e4 LT |
73 | |
74 | /* | |
75 | * single precision (often aka float) | |
76 | */ | |
2209bcb1 RB |
77 | int ieee754sp_finite(union ieee754sp x); |
78 | int ieee754sp_class(union ieee754sp x); | |
1da177e4 | 79 | |
2209bcb1 RB |
80 | union ieee754sp ieee754sp_abs(union ieee754sp x); |
81 | union ieee754sp ieee754sp_neg(union ieee754sp x); | |
82 | union ieee754sp ieee754sp_scalb(union ieee754sp x, int); | |
83 | union ieee754sp ieee754sp_logb(union ieee754sp x); | |
1da177e4 LT |
84 | |
85 | /* x with sign of y */ | |
2209bcb1 | 86 | union ieee754sp ieee754sp_copysign(union ieee754sp x, union ieee754sp y); |
1da177e4 | 87 | |
2209bcb1 RB |
88 | union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y); |
89 | union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y); | |
90 | union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y); | |
91 | union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y); | |
1da177e4 | 92 | |
2209bcb1 RB |
93 | union ieee754sp ieee754sp_fint(int x); |
94 | union ieee754sp ieee754sp_funs(unsigned x); | |
95 | union ieee754sp ieee754sp_flong(s64 x); | |
96 | union ieee754sp ieee754sp_fulong(u64 x); | |
97 | union ieee754sp ieee754sp_fdp(union ieee754dp x); | |
1da177e4 | 98 | |
2209bcb1 RB |
99 | int ieee754sp_tint(union ieee754sp x); |
100 | unsigned int ieee754sp_tuns(union ieee754sp x); | |
101 | s64 ieee754sp_tlong(union ieee754sp x); | |
102 | u64 ieee754sp_tulong(union ieee754sp x); | |
1da177e4 | 103 | |
2209bcb1 | 104 | int ieee754sp_cmp(union ieee754sp x, union ieee754sp y, int cop, int sig); |
1da177e4 LT |
105 | /* |
106 | * basic sp math | |
107 | */ | |
2209bcb1 RB |
108 | union ieee754sp ieee754sp_modf(union ieee754sp x, union ieee754sp * ip); |
109 | union ieee754sp ieee754sp_frexp(union ieee754sp x, int *exp); | |
110 | union ieee754sp ieee754sp_ldexp(union ieee754sp x, int exp); | |
1da177e4 | 111 | |
2209bcb1 RB |
112 | union ieee754sp ieee754sp_ceil(union ieee754sp x); |
113 | union ieee754sp ieee754sp_floor(union ieee754sp x); | |
114 | union ieee754sp ieee754sp_trunc(union ieee754sp x); | |
1da177e4 | 115 | |
2209bcb1 | 116 | union ieee754sp ieee754sp_sqrt(union ieee754sp x); |
1da177e4 LT |
117 | |
118 | /* | |
119 | * double precision (often aka double) | |
120 | */ | |
2209bcb1 RB |
121 | int ieee754dp_finite(union ieee754dp x); |
122 | int ieee754dp_class(union ieee754dp x); | |
1da177e4 LT |
123 | |
124 | /* x with sign of y */ | |
2209bcb1 | 125 | union ieee754dp ieee754dp_copysign(union ieee754dp x, union ieee754dp y); |
1da177e4 | 126 | |
2209bcb1 RB |
127 | union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y); |
128 | union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y); | |
129 | union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y); | |
130 | union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y); | |
1da177e4 | 131 | |
2209bcb1 RB |
132 | union ieee754dp ieee754dp_abs(union ieee754dp x); |
133 | union ieee754dp ieee754dp_neg(union ieee754dp x); | |
134 | union ieee754dp ieee754dp_scalb(union ieee754dp x, int); | |
1da177e4 LT |
135 | |
136 | /* return exponent as integer in floating point format | |
137 | */ | |
2209bcb1 | 138 | union ieee754dp ieee754dp_logb(union ieee754dp x); |
1da177e4 | 139 | |
2209bcb1 RB |
140 | union ieee754dp ieee754dp_fint(int x); |
141 | union ieee754dp ieee754dp_funs(unsigned x); | |
142 | union ieee754dp ieee754dp_flong(s64 x); | |
143 | union ieee754dp ieee754dp_fulong(u64 x); | |
144 | union ieee754dp ieee754dp_fsp(union ieee754sp x); | |
1da177e4 | 145 | |
2209bcb1 RB |
146 | union ieee754dp ieee754dp_ceil(union ieee754dp x); |
147 | union ieee754dp ieee754dp_floor(union ieee754dp x); | |
148 | union ieee754dp ieee754dp_trunc(union ieee754dp x); | |
1da177e4 | 149 | |
2209bcb1 RB |
150 | int ieee754dp_tint(union ieee754dp x); |
151 | unsigned int ieee754dp_tuns(union ieee754dp x); | |
152 | s64 ieee754dp_tlong(union ieee754dp x); | |
153 | u64 ieee754dp_tulong(union ieee754dp x); | |
1da177e4 | 154 | |
2209bcb1 | 155 | int ieee754dp_cmp(union ieee754dp x, union ieee754dp y, int cop, int sig); |
1da177e4 LT |
156 | /* |
157 | * basic sp math | |
158 | */ | |
2209bcb1 RB |
159 | union ieee754dp ieee754dp_modf(union ieee754dp x, union ieee754dp * ip); |
160 | union ieee754dp ieee754dp_frexp(union ieee754dp x, int *exp); | |
161 | union ieee754dp ieee754dp_ldexp(union ieee754dp x, int exp); | |
1da177e4 | 162 | |
2209bcb1 RB |
163 | union ieee754dp ieee754dp_ceil(union ieee754dp x); |
164 | union ieee754dp ieee754dp_floor(union ieee754dp x); | |
165 | union ieee754dp ieee754dp_trunc(union ieee754dp x); | |
1da177e4 | 166 | |
2209bcb1 | 167 | union ieee754dp ieee754dp_sqrt(union ieee754dp x); |
1da177e4 LT |
168 | |
169 | ||
170 | ||
171 | /* 5 types of floating point number | |
172 | */ | |
173 | #define IEEE754_CLASS_NORM 0x00 | |
174 | #define IEEE754_CLASS_ZERO 0x01 | |
175 | #define IEEE754_CLASS_DNORM 0x02 | |
176 | #define IEEE754_CLASS_INF 0x03 | |
177 | #define IEEE754_CLASS_SNAN 0x04 | |
178 | #define IEEE754_CLASS_QNAN 0x05 | |
1da177e4 LT |
179 | |
180 | /* exception numbers */ | |
181 | #define IEEE754_INEXACT 0x01 | |
182 | #define IEEE754_UNDERFLOW 0x02 | |
183 | #define IEEE754_OVERFLOW 0x04 | |
184 | #define IEEE754_ZERO_DIVIDE 0x08 | |
185 | #define IEEE754_INVALID_OPERATION 0x10 | |
186 | ||
187 | /* cmp operators | |
188 | */ | |
189 | #define IEEE754_CLT 0x01 | |
190 | #define IEEE754_CEQ 0x02 | |
191 | #define IEEE754_CGT 0x04 | |
192 | #define IEEE754_CUN 0x08 | |
193 | ||
194 | /* rounding mode | |
195 | */ | |
196 | #define IEEE754_RN 0 /* round to nearest */ | |
197 | #define IEEE754_RZ 1 /* round toward zero */ | |
198 | #define IEEE754_RD 2 /* round toward -Infinity */ | |
199 | #define IEEE754_RU 3 /* round toward +Infinity */ | |
200 | ||
201 | /* other naming */ | |
202 | #define IEEE754_RM IEEE754_RD | |
203 | #define IEEE754_RP IEEE754_RU | |
204 | ||
205 | /* "normal" comparisons | |
206 | */ | |
2209bcb1 | 207 | static inline int ieee754sp_eq(union ieee754sp x, union ieee754sp y) |
1da177e4 LT |
208 | { |
209 | return ieee754sp_cmp(x, y, IEEE754_CEQ, 0); | |
210 | } | |
211 | ||
2209bcb1 | 212 | static inline int ieee754sp_ne(union ieee754sp x, union ieee754sp y) |
1da177e4 LT |
213 | { |
214 | return ieee754sp_cmp(x, y, | |
215 | IEEE754_CLT | IEEE754_CGT | IEEE754_CUN, 0); | |
216 | } | |
217 | ||
2209bcb1 | 218 | static inline int ieee754sp_lt(union ieee754sp x, union ieee754sp y) |
1da177e4 LT |
219 | { |
220 | return ieee754sp_cmp(x, y, IEEE754_CLT, 0); | |
221 | } | |
222 | ||
2209bcb1 | 223 | static inline int ieee754sp_le(union ieee754sp x, union ieee754sp y) |
1da177e4 LT |
224 | { |
225 | return ieee754sp_cmp(x, y, IEEE754_CLT | IEEE754_CEQ, 0); | |
226 | } | |
227 | ||
2209bcb1 | 228 | static inline int ieee754sp_gt(union ieee754sp x, union ieee754sp y) |
1da177e4 LT |
229 | { |
230 | return ieee754sp_cmp(x, y, IEEE754_CGT, 0); | |
231 | } | |
232 | ||
233 | ||
2209bcb1 | 234 | static inline int ieee754sp_ge(union ieee754sp x, union ieee754sp y) |
1da177e4 LT |
235 | { |
236 | return ieee754sp_cmp(x, y, IEEE754_CGT | IEEE754_CEQ, 0); | |
237 | } | |
238 | ||
2209bcb1 | 239 | static inline int ieee754dp_eq(union ieee754dp x, union ieee754dp y) |
1da177e4 LT |
240 | { |
241 | return ieee754dp_cmp(x, y, IEEE754_CEQ, 0); | |
242 | } | |
243 | ||
2209bcb1 | 244 | static inline int ieee754dp_ne(union ieee754dp x, union ieee754dp y) |
1da177e4 LT |
245 | { |
246 | return ieee754dp_cmp(x, y, | |
247 | IEEE754_CLT | IEEE754_CGT | IEEE754_CUN, 0); | |
248 | } | |
249 | ||
2209bcb1 | 250 | static inline int ieee754dp_lt(union ieee754dp x, union ieee754dp y) |
1da177e4 LT |
251 | { |
252 | return ieee754dp_cmp(x, y, IEEE754_CLT, 0); | |
253 | } | |
254 | ||
2209bcb1 | 255 | static inline int ieee754dp_le(union ieee754dp x, union ieee754dp y) |
1da177e4 LT |
256 | { |
257 | return ieee754dp_cmp(x, y, IEEE754_CLT | IEEE754_CEQ, 0); | |
258 | } | |
259 | ||
2209bcb1 | 260 | static inline int ieee754dp_gt(union ieee754dp x, union ieee754dp y) |
1da177e4 LT |
261 | { |
262 | return ieee754dp_cmp(x, y, IEEE754_CGT, 0); | |
263 | } | |
264 | ||
2209bcb1 | 265 | static inline int ieee754dp_ge(union ieee754dp x, union ieee754dp y) |
1da177e4 LT |
266 | { |
267 | return ieee754dp_cmp(x, y, IEEE754_CGT | IEEE754_CEQ, 0); | |
268 | } | |
269 | ||
270 | ||
cd21dfcf RB |
271 | /* |
272 | * Like strtod | |
273 | */ | |
2209bcb1 RB |
274 | union ieee754dp ieee754dp_fstr(const char *s, char **endp); |
275 | char *ieee754dp_tstr(union ieee754dp x, int prec, int fmt, int af); | |
1da177e4 LT |
276 | |
277 | ||
cd21dfcf RB |
278 | /* |
279 | * The control status register | |
280 | */ | |
281 | struct _ieee754_csr { | |
f80cc08d RB |
282 | __BITFIELD_FIELD(unsigned pad0:7, |
283 | __BITFIELD_FIELD(unsigned nod:1, /* set 1 for no denormalised numbers */ | |
284 | __BITFIELD_FIELD(unsigned c:1, /* condition */ | |
285 | __BITFIELD_FIELD(unsigned pad1:5, | |
286 | __BITFIELD_FIELD(unsigned cx:6, /* exceptions this operation */ | |
287 | __BITFIELD_FIELD(unsigned mx:5, /* exception enable mask */ | |
288 | __BITFIELD_FIELD(unsigned sx:5, /* exceptions total */ | |
289 | __BITFIELD_FIELD(unsigned rm:2, /* current rounding mode */ | |
290 | ;)))))))) | |
1da177e4 | 291 | }; |
eae89076 | 292 | #define ieee754_csr (*(struct _ieee754_csr *)(¤t->thread.fpu.fcr31)) |
1da177e4 | 293 | |
cd21dfcf | 294 | static inline unsigned ieee754_getrm(void) |
1da177e4 LT |
295 | { |
296 | return (ieee754_csr.rm); | |
297 | } | |
cd21dfcf | 298 | static inline unsigned ieee754_setrm(unsigned rm) |
1da177e4 LT |
299 | { |
300 | return (ieee754_csr.rm = rm); | |
301 | } | |
302 | ||
303 | /* | |
304 | * get current exceptions | |
305 | */ | |
cd21dfcf | 306 | static inline unsigned ieee754_getcx(void) |
1da177e4 LT |
307 | { |
308 | return (ieee754_csr.cx); | |
309 | } | |
310 | ||
311 | /* test for current exception condition | |
312 | */ | |
cd21dfcf | 313 | static inline int ieee754_cxtest(unsigned n) |
1da177e4 LT |
314 | { |
315 | return (ieee754_csr.cx & n); | |
316 | } | |
317 | ||
318 | /* | |
319 | * get sticky exceptions | |
320 | */ | |
cd21dfcf | 321 | static inline unsigned ieee754_getsx(void) |
1da177e4 LT |
322 | { |
323 | return (ieee754_csr.sx); | |
324 | } | |
325 | ||
326 | /* clear sticky conditions | |
327 | */ | |
cd21dfcf | 328 | static inline unsigned ieee754_clrsx(void) |
1da177e4 LT |
329 | { |
330 | return (ieee754_csr.sx = 0); | |
331 | } | |
332 | ||
333 | /* test for sticky exception condition | |
334 | */ | |
cd21dfcf | 335 | static inline int ieee754_sxtest(unsigned n) |
1da177e4 LT |
336 | { |
337 | return (ieee754_csr.sx & n); | |
338 | } | |
339 | ||
340 | /* debugging */ | |
2209bcb1 RB |
341 | union ieee754sp ieee754sp_dump(char *s, union ieee754sp x); |
342 | union ieee754dp ieee754dp_dump(char *s, union ieee754dp x); | |
1da177e4 LT |
343 | |
344 | #define IEEE754_SPCVAL_PZERO 0 | |
345 | #define IEEE754_SPCVAL_NZERO 1 | |
346 | #define IEEE754_SPCVAL_PONE 2 | |
347 | #define IEEE754_SPCVAL_NONE 3 | |
348 | #define IEEE754_SPCVAL_PTEN 4 | |
349 | #define IEEE754_SPCVAL_NTEN 5 | |
350 | #define IEEE754_SPCVAL_PINFINITY 6 | |
351 | #define IEEE754_SPCVAL_NINFINITY 7 | |
352 | #define IEEE754_SPCVAL_INDEF 8 | |
353 | #define IEEE754_SPCVAL_PMAX 9 /* +max norm */ | |
354 | #define IEEE754_SPCVAL_NMAX 10 /* -max norm */ | |
355 | #define IEEE754_SPCVAL_PMIN 11 /* +min norm */ | |
356 | #define IEEE754_SPCVAL_NMIN 12 /* +min norm */ | |
357 | #define IEEE754_SPCVAL_PMIND 13 /* +min denorm */ | |
358 | #define IEEE754_SPCVAL_NMIND 14 /* +min denorm */ | |
359 | #define IEEE754_SPCVAL_P1E31 15 /* + 1.0e31 */ | |
360 | #define IEEE754_SPCVAL_P1E63 16 /* + 1.0e63 */ | |
361 | ||
23708818 RB |
362 | extern const struct ieee754dp_const __ieee754dp_spcvals[]; |
363 | extern const struct ieee754sp_const __ieee754sp_spcvals[]; | |
2209bcb1 RB |
364 | #define ieee754dp_spcvals ((const union ieee754dp *)__ieee754dp_spcvals) |
365 | #define ieee754sp_spcvals ((const union ieee754sp *)__ieee754sp_spcvals) | |
1da177e4 | 366 | |
cd21dfcf RB |
367 | /* |
368 | * Return infinity with given sign | |
369 | */ | |
370 | #define ieee754dp_inf(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PINFINITY+(sn)]) | |
371 | #define ieee754dp_zero(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PZERO+(sn)]) | |
372 | #define ieee754dp_one(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PONE+(sn)]) | |
373 | #define ieee754dp_ten(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PTEN+(sn)]) | |
374 | #define ieee754dp_indef() (ieee754dp_spcvals[IEEE754_SPCVAL_INDEF]) | |
375 | #define ieee754dp_max(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PMAX+(sn)]) | |
376 | #define ieee754dp_min(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PMIN+(sn)]) | |
377 | #define ieee754dp_mind(sn) (ieee754dp_spcvals[IEEE754_SPCVAL_PMIND+(sn)]) | |
378 | #define ieee754dp_1e31() (ieee754dp_spcvals[IEEE754_SPCVAL_P1E31]) | |
379 | #define ieee754dp_1e63() (ieee754dp_spcvals[IEEE754_SPCVAL_P1E63]) | |
380 | ||
381 | #define ieee754sp_inf(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PINFINITY+(sn)]) | |
382 | #define ieee754sp_zero(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PZERO+(sn)]) | |
383 | #define ieee754sp_one(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PONE+(sn)]) | |
384 | #define ieee754sp_ten(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PTEN+(sn)]) | |
385 | #define ieee754sp_indef() (ieee754sp_spcvals[IEEE754_SPCVAL_INDEF]) | |
386 | #define ieee754sp_max(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PMAX+(sn)]) | |
387 | #define ieee754sp_min(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PMIN+(sn)]) | |
388 | #define ieee754sp_mind(sn) (ieee754sp_spcvals[IEEE754_SPCVAL_PMIND+(sn)]) | |
389 | #define ieee754sp_1e31() (ieee754sp_spcvals[IEEE754_SPCVAL_P1E31]) | |
390 | #define ieee754sp_1e63() (ieee754sp_spcvals[IEEE754_SPCVAL_P1E63]) | |
391 | ||
392 | /* | |
393 | * Indefinite integer value | |
394 | */ | |
1da177e4 LT |
395 | #define ieee754si_indef() INT_MAX |
396 | #ifdef LONG_LONG_MAX | |
397 | #define ieee754di_indef() LONG_LONG_MAX | |
398 | #else | |
399 | #define ieee754di_indef() ((s64)(~0ULL>>1)) | |
400 | #endif | |
401 | ||
402 | /* IEEE exception context, passed to handler */ | |
403 | struct ieee754xctx { | |
404 | const char *op; /* operation name */ | |
405 | int rt; /* result type */ | |
406 | union { | |
2209bcb1 RB |
407 | union ieee754sp sp; /* single precision */ |
408 | union ieee754dp dp; /* double precision */ | |
1da177e4 LT |
409 | #ifdef IEEE854_XP |
410 | ieee754xp xp; /* extended precision */ | |
411 | #endif | |
412 | int si; /* standard signed integer (32bits) */ | |
413 | s64 di; /* extended signed integer (64bits) */ | |
414 | } rv; /* default result format implied by op */ | |
415 | va_list ap; | |
416 | }; | |
417 | ||
418 | /* result types for xctx.rt */ | |
419 | #define IEEE754_RT_SP 0 | |
420 | #define IEEE754_RT_DP 1 | |
421 | #define IEEE754_RT_XP 2 | |
422 | #define IEEE754_RT_SI 3 | |
423 | #define IEEE754_RT_DI 4 | |
424 | ||
cae55066 | 425 | extern void __cold ieee754_xcpt(struct ieee754xctx *xcp); |
1da177e4 LT |
426 | |
427 | /* compat */ | |
428 | #define ieee754dp_fix(x) ieee754dp_tint(x) | |
429 | #define ieee754sp_fix(x) ieee754sp_tint(x) | |
a663bf90 RB |
430 | |
431 | #endif /* __ARCH_MIPS_MATH_EMU_IEEE754_H */ |