aboutsummaryrefslogtreecommitdiff
path: root/libgcc/dfp-bit.h
blob: e04cb83102623ba38ce6366a6bf502df456452b2 (plain)
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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
/* Header file for dfp-bit.c.
   Copyright (C) 2005-2021 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC 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 General Public License
for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

#ifndef _DFPBIT_H
#define _DFPBIT_H

#include <float.h>
#include <fenv.h>
#include <decRound.h>
#include <decExcept.h>
#include "tconfig.h"
#include "coretypes.h"
#include "tm.h"
#include "libgcc_tm.h"

/* We need to know the size of long double that the C library supports.
   Don't use LIBGCC2_HAS_XF_MODE or LIBGCC2_HAS_TF_MODE here because
   some targets set both of those.  */

#ifndef __LIBGCC_XF_MANT_DIG__
#define __LIBGCC_XF_MANT_DIG__ 0
#endif
#define LONG_DOUBLE_HAS_XF_MODE \
  (__LDBL_MANT_DIG__ == __LIBGCC_XF_MANT_DIG__)

#ifndef __LIBGCC_TF_MANT_DIG__
#define __LIBGCC_TF_MANT_DIG__ 0
#endif
#define LONG_DOUBLE_HAS_TF_MODE \
  (__LDBL_MANT_DIG__ == __LIBGCC_TF_MANT_DIG__)

/* Depending on WIDTH, define a number of macros:

   DFP_C_TYPE: type of the arguments to the libgcc functions;
	(eg _Decimal32)

   IEEE_TYPE: the corresponding (encoded) IEEE754 type;
	(eg decimal32)
   
   TO_INTERNAL: the name of the decNumber function to convert an
   encoded value into the decNumber internal representation;

   TO_ENCODED: the name of the decNumber function to convert an
   internally represented decNumber into the encoded
   representation.

   FROM_STRING: the name of the decNumber function to read an
   encoded value from a string.

   TO_STRING: the name of the decNumber function to write an
   encoded value to a string.  */

#if WIDTH == 32
#define DFP_C_TYPE	_Decimal32
#define IEEE_TYPE	decimal32
#define HOST_TO_IEEE	__host_to_ieee_32
#define IEEE_TO_HOST	__ieee_to_host_32
#define TO_INTERNAL	__decimal32ToNumber
#define TO_ENCODED	__decimal32FromNumber
#define FROM_STRING	__decimal32FromString
#define TO_STRING	__decimal32ToString
#elif WIDTH == 64
#define DFP_C_TYPE	_Decimal64
#define IEEE_TYPE	decimal64
#define HOST_TO_IEEE	__host_to_ieee_64
#define IEEE_TO_HOST	__ieee_to_host_64
#define TO_INTERNAL	__decimal64ToNumber
#define TO_ENCODED	__decimal64FromNumber
#define FROM_STRING	__decimal64FromString
#define TO_STRING	__decimal64ToString
#elif WIDTH == 128
#define DFP_C_TYPE	_Decimal128
#define IEEE_TYPE	decimal128
#define HOST_TO_IEEE	__host_to_ieee_128
#define IEEE_TO_HOST	__ieee_to_host_128
#define TO_INTERNAL	__decimal128ToNumber
#define TO_ENCODED	__decimal128FromNumber
#define FROM_STRING	__decimal128FromString
#define TO_STRING	__decimal128ToString
#else
#error invalid decimal float word width
#endif

/* We define __DEC_EVAL_METHOD__ to 2, saying that we evaluate all
   operations and constants to the range and precision of the _Decimal128
   type.  Make it so.  */
#if WIDTH == 32
#define CONTEXT_INIT DEC_INIT_DECIMAL32
#elif WIDTH == 64
#define CONTEXT_INIT DEC_INIT_DECIMAL64
#elif WIDTH == 128
#define CONTEXT_INIT DEC_INIT_DECIMAL128
#endif

#ifndef DFP_INIT_ROUNDMODE
#define DFP_INIT_ROUNDMODE(A) A = DEC_ROUND_HALF_EVEN
#endif

#ifdef DFP_EXCEPTIONS_ENABLED
/* Return IEEE exception flags based on decNumber status flags.  */
#define DFP_IEEE_FLAGS(DEC_FLAGS) __extension__			\
({int _fe_flags = 0;						\
  if ((dec_flags & DEC_IEEE_854_Division_by_zero) != 0)		\
    _fe_flags |= FE_DIVBYZERO;					\
  if ((dec_flags & DEC_IEEE_854_Inexact) != 0)			\
    _fe_flags |= FE_INEXACT;					\
  if ((dec_flags & DEC_IEEE_854_Invalid_operation) != 0)	\
    _fe_flags |= FE_INVALID;					\
  if ((dec_flags & DEC_IEEE_854_Overflow) != 0)			\
    _fe_flags |= FE_OVERFLOW;					\
  if ((dec_flags & DEC_IEEE_854_Underflow) != 0)		\
    _fe_flags |= FE_UNDERFLOW;					\
  _fe_flags; })
#else
#define DFP_EXCEPTIONS_ENABLED 0
#define DFP_IEEE_FLAGS(A) 0
#define DFP_HANDLE_EXCEPTIONS(A) do {} while (0)
#endif

/* Conversions between different decimal float types use WIDTH_TO to
   determine additional macros to define.  */

#if defined (L_dd_to_sd) || defined (L_td_to_sd)
#define WIDTH_TO 32
#elif defined (L_sd_to_dd) || defined (L_td_to_dd)
#define WIDTH_TO 64
#elif defined (L_sd_to_td) || defined (L_dd_to_td)
#define WIDTH_TO 128
#endif

/* If WIDTH_TO is defined, define additional macros:

   DFP_C_TYPE_TO: type of the result of dfp to dfp conversion.

   IEEE_TYPE_TO: the corresponding (encoded) IEEE754 type.

   TO_ENCODED_TO: the name of the decNumber function to convert an
   internally represented decNumber into the encoded representation
   for the destination.  */

#if WIDTH_TO == 32
#define DFP_C_TYPE_TO	_Decimal32
#define IEEE_TYPE_TO	decimal32
#define TO_ENCODED_TO	__decimal32FromNumber
#define IEEE_TO_HOST_TO __ieee_to_host_32
#elif WIDTH_TO == 64
#define DFP_C_TYPE_TO	_Decimal64
#define IEEE_TYPE_TO	decimal64
#define TO_ENCODED_TO	__decimal64FromNumber
#define IEEE_TO_HOST_TO __ieee_to_host_64
#elif WIDTH_TO == 128
#define DFP_C_TYPE_TO	_Decimal128
#define IEEE_TYPE_TO	decimal128
#define TO_ENCODED_TO	__decimal128FromNumber
#define IEEE_TO_HOST_TO __ieee_to_host_128
#endif

/* Conversions between decimal float types and integral types use INT_KIND
   to determine the data type and C functions to use.  */

#if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si)  \
   || defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td)
#define INT_KIND 1
#elif defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \
   || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td)
#define INT_KIND 2
#elif defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \
   || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td)
#define INT_KIND 3
#elif defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) \
   || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td)
#define INT_KIND 4
#endif

/*  If INT_KIND is defined, define additional macros:

    INT_TYPE: The integer data type.

    INT_FMT: The format string for writing the integer to a string.

    CAST_FOR_FMT: Cast variable of INT_KIND to C type for sprintf.
    This works for ILP32 and LP64, won't for other type size systems.

    STR_TO_INT: The function to read the integer from a string.  */

#if INT_KIND == 1
#define INT_TYPE SItype
#define INT_FMT "%d"
#define CAST_FOR_FMT(A) (int)A
#define STR_TO_INT strtol
#elif INT_KIND == 2
#define INT_TYPE DItype
#define INT_FMT "%lld"
#define CAST_FOR_FMT(A) (long long)A
#define STR_TO_INT strtoll
#elif INT_KIND == 3
#define INT_TYPE USItype
#define INT_FMT "%u"
#define CAST_FOR_FMT(A) (unsigned int)A
#define STR_TO_INT strtoul
#elif INT_KIND == 4
#define INT_TYPE UDItype
#define INT_FMT "%llu"
#define CAST_FOR_FMT(A) (unsigned long long)A
#define STR_TO_INT strtoull
#endif

/* Conversions between decimal float types and binary float types use
   BFP_KIND to determine the data type and C functions to use.  */

#if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \
 || defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td)
#define BFP_KIND 1
#elif defined (L_sd_to_df) || defined (L_dd_to_df ) || defined (L_td_to_df) \
 ||   defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td)
#define BFP_KIND 2
#elif defined (L_sd_to_xf) || defined (L_dd_to_xf ) || defined (L_td_to_xf) \
 ||   defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td)
#define BFP_KIND 3
#elif defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf) \
 ||   defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td)
#define BFP_KIND 4
#elif defined (L_sd_to_kf) || defined (L_dd_to_kf) || defined (L_td_to_kf) \
 ||   defined (L_kf_to_sd) || defined (L_kf_to_dd) || defined (L_kf_to_td)
#define BFP_KIND 5
#endif

/*  If BFP_KIND is defined, define additional macros:

    BFP_TYPE: The binary floating point data type.

    BFP_FMT: The format string for writing the value to a string.
    The number of decimal digits printed is
       ceil (nbits / log2 (10.) + 1)
    as described in David Matula's CACM 19(3) 716-723 June 1968 paper.

    BFP_VIA_TYPE: Type to which to cast a variable of BPF_TYPE for a
    call to sprintf.
    
    STR_TO_BFP: The function to read the value from a string.  */

#if BFP_KIND == 1
#define BFP_TYPE SFtype
#define BFP_FMT "%.9e"
#define BFP_VIA_TYPE double
#define STR_TO_BFP strtof

#elif BFP_KIND == 2
#define BFP_TYPE DFtype
#define BFP_FMT "%.17e"
#define BFP_VIA_TYPE double
#define STR_TO_BFP strtod

#elif BFP_KIND == 3
#if LONG_DOUBLE_HAS_XF_MODE
#define BFP_TYPE XFtype
#define BFP_FMT "%.21Le"
#define BFP_VIA_TYPE long double
#define STR_TO_BFP strtold
#endif /* LONG_DOUBLE_HAS_XF_MODE */

#elif BFP_KIND == 4
#if LONG_DOUBLE_HAS_TF_MODE
#define BFP_TYPE TFtype
#if LDBL_MANT_DIG == 106
#define BFP_FMT "%.33Le"
#elif LDBL_MANT_DIG == 113
#define BFP_FMT "%.36Le"
#else
#error "unknown long double size, cannot define BFP_FMT"
#endif /* LDBL_MANT_DIG */
#define STR_TO_BFP strtold
#define BFP_VIA_TYPE long double
#endif /* LONG_DOUBLE_HAS_TF_MODE */

#elif BFP_KIND == 5
#define BFP_TYPE _Float128
#define BFP_FMT "%.36Le"
#define BFP_VIA_TYPE _Float128
#define STR_TO_BFP __strtoieee128
extern _Float128 __strtoieee128 (const char *, char **);

#endif /* BFP_KIND */

#if WIDTH == 128 || WIDTH_TO == 128
#include "decimal128.h"
#include "decQuad.h"
#endif
#if WIDTH == 64 || WIDTH_TO == 64
#include "decimal64.h"
#include "decDouble.h"
#endif
#if WIDTH == 32 || WIDTH_TO == 32
#include "decimal32.h"
#include "decSingle.h"
#endif
#include "decNumber.h"

/* Names of arithmetic functions.  */

#if ENABLE_DECIMAL_BID_FORMAT
#define DPD_BID_NAME(DPD,BID) BID
#else
#define DPD_BID_NAME(DPD,BID) DPD
#endif

#if WIDTH == 32
#define DFP_ADD		DPD_BID_NAME(__dpd_addsd3,__bid_addsd3)
#define DFP_SUB		DPD_BID_NAME(__dpd_subsd3,__bid_subsd3)
#define DFP_MULTIPLY	DPD_BID_NAME(__dpd_mulsd3,__bid_mulsd3)
#define DFP_DIVIDE	DPD_BID_NAME(__dpd_divsd3,__bid_divsd3)
#define DFP_EQ		DPD_BID_NAME(__dpd_eqsd2,__bid_eqsd2)
#define DFP_NE		DPD_BID_NAME(__dpd_nesd2,__bid_nesd2)
#define DFP_LT		DPD_BID_NAME(__dpd_ltsd2,__bid_ltsd2)
#define DFP_GT		DPD_BID_NAME(__dpd_gtsd2,__bid_gtsd2)
#define DFP_LE		DPD_BID_NAME(__dpd_lesd2,__bid_lesd2)
#define DFP_GE		DPD_BID_NAME(__dpd_gesd2,__bid_gesd2)
#define DFP_UNORD	DPD_BID_NAME(__dpd_unordsd2,__bid_unordsd2)
#elif WIDTH == 64
#define DFP_ADD		DPD_BID_NAME(__dpd_adddd3,__bid_adddd3)
#define DFP_SUB		DPD_BID_NAME(__dpd_subdd3,__bid_subdd3)
#define DFP_MULTIPLY	DPD_BID_NAME(__dpd_muldd3,__bid_muldd3)
#define DFP_DIVIDE	DPD_BID_NAME(__dpd_divdd3,__bid_divdd3)
#define DFP_EQ		DPD_BID_NAME(__dpd_eqdd2,__bid_eqdd2)
#define DFP_NE		DPD_BID_NAME(__dpd_nedd2,__bid_nedd2)
#define DFP_LT		DPD_BID_NAME(__dpd_ltdd2,__bid_ltdd2)
#define DFP_GT		DPD_BID_NAME(__dpd_gtdd2,__bid_gtdd2)
#define DFP_LE		DPD_BID_NAME(__dpd_ledd2,__bid_ledd2)
#define DFP_GE		DPD_BID_NAME(__dpd_gedd2,__bid_gedd2)
#define DFP_UNORD	DPD_BID_NAME(__dpd_unorddd2,__bid_unorddd2)
#elif WIDTH == 128
#define DFP_ADD		DPD_BID_NAME(__dpd_addtd3,__bid_addtd3)
#define DFP_SUB		DPD_BID_NAME(__dpd_subtd3,__bid_subtd3)
#define DFP_MULTIPLY	DPD_BID_NAME(__dpd_multd3,__bid_multd3)
#define DFP_DIVIDE	DPD_BID_NAME(__dpd_divtd3,__bid_divtd3)
#define DFP_EQ		DPD_BID_NAME(__dpd_eqtd2,__bid_eqtd2)
#define DFP_NE		DPD_BID_NAME(__dpd_netd2,__bid_netd2)
#define DFP_LT		DPD_BID_NAME(__dpd_lttd2,__bid_lttd2)
#define DFP_GT		DPD_BID_NAME(__dpd_gttd2,__bid_gttd2)
#define DFP_LE		DPD_BID_NAME(__dpd_letd2,__bid_letd2)
#define DFP_GE		DPD_BID_NAME(__dpd_getd2,__bid_getd2)
#define DFP_UNORD	DPD_BID_NAME(__dpd_unordtd2,__bid_unordtd2)
#endif

/* Names of decNumber functions for DPD arithmetic.  */

#if WIDTH == 32
#define decFloat		decDouble
#define DFP_BINARY_OP		d32_binary_op
#define DFP_COMPARE_OP		d32_compare_op
#define DEC_FLOAT_ADD		decDoubleAdd
#define DEC_FLOAT_SUBTRACT	decDoubleSubtract
#define DEC_FLOAT_MULTIPLY	decDoubleMultiply
#define DEC_FLOAT_DIVIDE	decDoubleDivide
#define DEC_FLOAT_COMPARE	decDoubleCompare
#define DEC_FLOAT_IS_ZERO	decDoubleIsZero
#define DEC_FLOAT_IS_NAN	decDoubleIsNaN
#define DEC_FLOAT_IS_SIGNED	decDoubleIsSigned
#elif WIDTH == 64
#define DFP_BINARY_OP		dnn_binary_op
#define DFP_COMPARE_OP		dnn_compare_op
#define decFloat		decDouble
#define DEC_FLOAT_ADD		decDoubleAdd
#define DEC_FLOAT_SUBTRACT	decDoubleSubtract
#define DEC_FLOAT_MULTIPLY	decDoubleMultiply
#define DEC_FLOAT_DIVIDE	decDoubleDivide
#define DEC_FLOAT_COMPARE	decDoubleCompare
#define DEC_FLOAT_IS_ZERO	decDoubleIsZero
#define DEC_FLOAT_IS_NAN	decDoubleIsNaN
#define DEC_FLOAT_IS_SIGNED	decDoubleIsSigned
#elif WIDTH == 128
#define DFP_BINARY_OP		dnn_binary_op
#define DFP_COMPARE_OP		dnn_compare_op
#define decFloat		decQuad
#define DEC_FLOAT_ADD		decQuadAdd
#define DEC_FLOAT_SUBTRACT	decQuadSubtract
#define DEC_FLOAT_MULTIPLY	decQuadMultiply
#define DEC_FLOAT_DIVIDE	decQuadDivide
#define DEC_FLOAT_COMPARE	decQuadCompare
#define DEC_FLOAT_IS_ZERO	decQuadIsZero
#define DEC_FLOAT_IS_NAN	decQuadIsNaN
#define DEC_FLOAT_IS_SIGNED	decQuadIsSigned
#endif

/* Names of functions to convert between different decimal float types.  */

#if WIDTH == 32
#if WIDTH_TO == 64
#define DFP_TO_DFP	DPD_BID_NAME(__dpd_extendsddd2,__bid_extendsddd2)
#elif WIDTH_TO == 128
#define DFP_TO_DFP	DPD_BID_NAME(__dpd_extendsdtd2,__bid_extendsdtd2)
#endif
#elif WIDTH == 64	
#if WIDTH_TO == 32
#define DFP_TO_DFP	DPD_BID_NAME(__dpd_truncddsd2,__bid_truncddsd2)
#elif WIDTH_TO == 128
#define DFP_TO_DFP	DPD_BID_NAME(__dpd_extendddtd2,__bid_extendddtd2)
#endif
#elif WIDTH == 128
#if WIDTH_TO == 32
#define DFP_TO_DFP	DPD_BID_NAME(__dpd_trunctdsd2,__bid_trunctdsd2)
#elif WIDTH_TO == 64
#define DFP_TO_DFP	DPD_BID_NAME(__dpd_trunctddd2,__bid_trunctddd2)
#endif
#endif

/* Names of functions to convert between decimal float and integers.  */

#if WIDTH == 32
#if INT_KIND == 1
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatsisd,__bid_floatsisd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixsdsi,__bid_fixsdsi)
#define DEC_FLOAT_FROM_INT decDoubleFromInt32
#define DEC_FLOAT_TO_INT   decDoubleToInt32
#elif INT_KIND == 2
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatdisd,__bid_floatdisd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixsddi,__bid_fixsddi)
#elif INT_KIND == 3
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatunssisd,__bid_floatunssisd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixunssdsi,__bid_fixunssdsi)
#define DEC_FLOAT_FROM_INT decDoubleFromUInt32
#define DEC_FLOAT_TO_INT   decDoubleToUInt32
#elif INT_KIND == 4
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatunsdisd,__bid_floatunsdisd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixunssddi,__bid_fixunssddi)
#endif
#elif WIDTH == 64
#define decFloat	decDouble
#if INT_KIND == 1
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatsidd,__bid_floatsidd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixddsi,__bid_fixddsi)
#define DEC_FLOAT_FROM_INT decDoubleFromInt32
#define DEC_FLOAT_TO_INT   decDoubleToInt32
#elif INT_KIND == 2
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatdidd,__bid_floatdidd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixdddi,__bid_fixdddi)
#elif INT_KIND == 3
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatunssidd,__bid_floatunssidd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixunsddsi,__bid_fixunsddsi)
#define DEC_FLOAT_FROM_INT decDoubleFromUInt32
#define DEC_FLOAT_TO_INT   decDoubleToUInt32
#elif INT_KIND == 4
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatunsdidd,__bid_floatunsdidd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixunsdddi,__bid_fixunsdddi)
#endif
#elif WIDTH == 128
#define decFloat	decQuad
#if INT_KIND == 1
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatsitd,__bid_floatsitd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixtdsi,__bid_fixtdsi)
#define DEC_FLOAT_FROM_INT decQuadFromInt32
#define DEC_FLOAT_TO_INT   decQuadToInt32
#elif INT_KIND == 2
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatditd,__bid_floatditd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixtddi,__bid_fixtddi)
#elif INT_KIND == 3
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatunssitd,__bid_floatunssitd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixunstdsi,__bid_fixunstdsi)
#define DEC_FLOAT_FROM_INT decQuadFromUInt32
#define DEC_FLOAT_TO_INT   decQuadToUInt32
#elif INT_KIND == 4
#define INT_TO_DFP	DPD_BID_NAME(__dpd_floatunsditd,__bid_floatunsditd)
#define DFP_TO_INT	DPD_BID_NAME(__dpd_fixunstddi,__bid_fixunstddi)
#endif
#endif

/* Names of functions to convert between decimal float and binary float.  */

#if WIDTH == 32
#if BFP_KIND == 1
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extendsfsd,__bid_extendsfsd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_truncsdsf,__bid_truncsdsf)
#elif BFP_KIND == 2
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_truncdfsd,__bid_truncdfsd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendsddf,__bid_extendsddf)
#elif BFP_KIND == 3
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_truncxfsd,__bid_truncxfsd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendsdxf,__bid_extendsdxf)
#elif BFP_KIND == 4
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_trunctfsd,__bid_trunctfsd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendsdtf,__bid_extendsdtf)
#elif BFP_KIND == 5
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_trunckfsd,__bid_trunckfsd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendsdkf,__bid_extendsdkf)
#endif /* BFP_KIND */

#elif WIDTH == 64
#if BFP_KIND == 1
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extendsfdd,__bid_extendsfdd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_truncddsf,__bid_truncddsf)
#elif BFP_KIND == 2
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extenddfdd,__bid_extenddfdd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_truncdddf,__bid_truncdddf)
#elif BFP_KIND == 3
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_truncxfdd,__bid_truncxfdd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendddxf,__bid_extendddxf)
#elif BFP_KIND == 4
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_trunctfdd,__bid_trunctfdd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendddtf,__bid_extendddtf)
#elif BFP_KIND == 5
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_trunckfdd,__bid_trunckfdd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_extendddkf,__bid_extendddkf)
#endif /* BFP_KIND */

#elif WIDTH == 128
#if BFP_KIND == 1
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extendsftd,__bid_extendsftd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_trunctdsf,__bid_trunctdsf)
#elif BFP_KIND == 2
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extenddftd,__bid_extenddftd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_trunctddf,__bid_trunctddf)
#elif BFP_KIND == 3
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extendxftd,__bid_extendxftd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_trunctdxf,__bid_trunctdxf)
#elif BFP_KIND == 4
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extendtftd,__bid_extendtftd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_trunctdtf,__bid_trunctdtf)
#elif BFP_KIND == 5
#define BFP_TO_DFP	DPD_BID_NAME(__dpd_extendkftd,__bid_extendkftd)
#define DFP_TO_BFP	DPD_BID_NAME(__dpd_trunctdkf,__bid_trunctdkf)
#endif /* BFP_KIND */

#endif /* WIDTH */

/* Some handy typedefs.  */

typedef float SFtype __attribute__ ((mode (SF)));
typedef float DFtype __attribute__ ((mode (DF)));
#if LONG_DOUBLE_HAS_XF_MODE
typedef float XFtype __attribute__ ((mode (XF)));
#endif /* LONG_DOUBLE_HAS_XF_MODE */
#if LONG_DOUBLE_HAS_TF_MODE
typedef float TFtype __attribute__ ((mode (TF)));
#endif /* LONG_DOUBLE_HAS_TF_MODE */

typedef int SItype __attribute__ ((mode (SI)));
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));

/* The type of the result of a decimal float comparison.  This must
   match `__libgcc_cmp_return__' in GCC for the target.  */

typedef int CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));

/* Prototypes.  */

#if defined (L_mul_sd) || defined (L_mul_dd) || defined (L_mul_td)
extern DFP_C_TYPE DFP_MULTIPLY (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_div_sd) || defined (L_div_dd) || defined (L_div_td)
extern DFP_C_TYPE DFP_DIVIDE (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_addsub_sd) || defined (L_addsub_dd) || defined (L_addsub_td)
extern DFP_C_TYPE DFP_ADD (DFP_C_TYPE, DFP_C_TYPE);
extern DFP_C_TYPE DFP_SUB (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_eq_sd) || defined (L_eq_dd) || defined (L_eq_td)
extern CMPtype DFP_EQ (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_ne_sd) || defined (L_ne_dd) || defined (L_ne_td)
extern CMPtype DFP_NE (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_lt_sd) || defined (L_lt_dd) || defined (L_lt_td)
extern CMPtype DFP_LT (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_gt_sd) || defined (L_gt_dd) || defined (L_gt_td)
extern CMPtype DFP_GT (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_le_sd) || defined (L_le_dd) || defined (L_le_td)
extern CMPtype DFP_LE (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_ge_sd) || defined (L_ge_dd) || defined (L_ge_td)
extern CMPtype DFP_GE (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_unord_sd) || defined (L_unord_dd) || defined (L_unord_td)
extern CMPtype DFP_UNORD (DFP_C_TYPE, DFP_C_TYPE);
#endif

#if defined (L_sd_to_dd) || defined (L_sd_to_td) || defined (L_dd_to_sd) \
 || defined (L_dd_to_td) || defined (L_td_to_sd) || defined (L_td_to_dd)
extern DFP_C_TYPE_TO DFP_TO_DFP (DFP_C_TYPE);
#endif

#if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \
 || defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \
 || defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \
 || defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi)
extern INT_TYPE DFP_TO_INT (DFP_C_TYPE);
#endif

#if defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) \
 || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) \
 || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) \
 || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td)
extern DFP_C_TYPE INT_TO_DFP (INT_TYPE);
#endif

#if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \
 || defined (L_sd_to_df) || defined (L_dd_to_df) || defined (L_td_to_df) \
 || defined (L_sd_to_kf) || defined (L_dd_to_kf) || defined (L_td_to_kf) \
 || ((defined (L_sd_to_xf) || defined (L_dd_to_xf) || defined (L_td_to_xf)) \
     && LONG_DOUBLE_HAS_XF_MODE) \
 || ((defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf)) \
     && LONG_DOUBLE_HAS_TF_MODE)
extern BFP_TYPE DFP_TO_BFP (DFP_C_TYPE);
#endif

#if defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) \
 || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) \
 || ((defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td)) \
     && LONG_DOUBLE_HAS_XF_MODE) \
 || ((defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td)) \
     && LONG_DOUBLE_HAS_TF_MODE)
extern DFP_C_TYPE BFP_TO_DFP (BFP_TYPE);
#define BFP_SPRINTF sprintf

#elif defined (L_kf_to_sd) || defined (L_kf_to_dd) || defined (L_kf_to_td)
extern DFP_C_TYPE BFP_TO_DFP (BFP_TYPE);
extern int __sprintfieee128 (char *restrict, const char *restrict, ...);
#define BFP_SPRINTF __sprintfieee128
#endif

#endif /* _DFPBIT_H */