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2d8d5935 | 1 | /* Header file for dfp-bit.c. |
7adcbafe | 2 | Copyright (C) 2005-2022 Free Software Foundation, Inc. |
2d8d5935 RO |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | Under Section 7 of GPL version 3, you are granted additional | |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
24 | ||
25 | #ifndef _DFPBIT_H | |
26 | #define _DFPBIT_H | |
27 | ||
28 | #include <float.h> | |
29 | #include <fenv.h> | |
30 | #include <decRound.h> | |
31 | #include <decExcept.h> | |
32 | #include "tconfig.h" | |
33 | #include "coretypes.h" | |
34 | #include "tm.h" | |
852b75ed | 35 | #include "libgcc_tm.h" |
2d8d5935 | 36 | |
2d8d5935 RO |
37 | /* We need to know the size of long double that the C library supports. |
38 | Don't use LIBGCC2_HAS_XF_MODE or LIBGCC2_HAS_TF_MODE here because | |
39 | some targets set both of those. */ | |
40 | ||
9a79452d JM |
41 | #ifndef __LIBGCC_XF_MANT_DIG__ |
42 | #define __LIBGCC_XF_MANT_DIG__ 0 | |
43 | #endif | |
2d8d5935 | 44 | #define LONG_DOUBLE_HAS_XF_MODE \ |
9a79452d | 45 | (__LDBL_MANT_DIG__ == __LIBGCC_XF_MANT_DIG__) |
2d8d5935 | 46 | |
9a79452d JM |
47 | #ifndef __LIBGCC_TF_MANT_DIG__ |
48 | #define __LIBGCC_TF_MANT_DIG__ 0 | |
49 | #endif | |
2d8d5935 | 50 | #define LONG_DOUBLE_HAS_TF_MODE \ |
9a79452d | 51 | (__LDBL_MANT_DIG__ == __LIBGCC_TF_MANT_DIG__) |
2d8d5935 RO |
52 | |
53 | /* Depending on WIDTH, define a number of macros: | |
54 | ||
55 | DFP_C_TYPE: type of the arguments to the libgcc functions; | |
56 | (eg _Decimal32) | |
57 | ||
58 | IEEE_TYPE: the corresponding (encoded) IEEE754 type; | |
59 | (eg decimal32) | |
60 | ||
61 | TO_INTERNAL: the name of the decNumber function to convert an | |
62 | encoded value into the decNumber internal representation; | |
63 | ||
64 | TO_ENCODED: the name of the decNumber function to convert an | |
65 | internally represented decNumber into the encoded | |
66 | representation. | |
67 | ||
68 | FROM_STRING: the name of the decNumber function to read an | |
69 | encoded value from a string. | |
70 | ||
71 | TO_STRING: the name of the decNumber function to write an | |
72 | encoded value to a string. */ | |
73 | ||
74 | #if WIDTH == 32 | |
75 | #define DFP_C_TYPE _Decimal32 | |
76 | #define IEEE_TYPE decimal32 | |
77 | #define HOST_TO_IEEE __host_to_ieee_32 | |
78 | #define IEEE_TO_HOST __ieee_to_host_32 | |
79 | #define TO_INTERNAL __decimal32ToNumber | |
80 | #define TO_ENCODED __decimal32FromNumber | |
81 | #define FROM_STRING __decimal32FromString | |
82 | #define TO_STRING __decimal32ToString | |
83 | #elif WIDTH == 64 | |
84 | #define DFP_C_TYPE _Decimal64 | |
85 | #define IEEE_TYPE decimal64 | |
86 | #define HOST_TO_IEEE __host_to_ieee_64 | |
87 | #define IEEE_TO_HOST __ieee_to_host_64 | |
88 | #define TO_INTERNAL __decimal64ToNumber | |
89 | #define TO_ENCODED __decimal64FromNumber | |
90 | #define FROM_STRING __decimal64FromString | |
91 | #define TO_STRING __decimal64ToString | |
92 | #elif WIDTH == 128 | |
93 | #define DFP_C_TYPE _Decimal128 | |
94 | #define IEEE_TYPE decimal128 | |
95 | #define HOST_TO_IEEE __host_to_ieee_128 | |
96 | #define IEEE_TO_HOST __ieee_to_host_128 | |
97 | #define TO_INTERNAL __decimal128ToNumber | |
98 | #define TO_ENCODED __decimal128FromNumber | |
99 | #define FROM_STRING __decimal128FromString | |
100 | #define TO_STRING __decimal128ToString | |
101 | #else | |
102 | #error invalid decimal float word width | |
103 | #endif | |
104 | ||
105 | /* We define __DEC_EVAL_METHOD__ to 2, saying that we evaluate all | |
106 | operations and constants to the range and precision of the _Decimal128 | |
107 | type. Make it so. */ | |
108 | #if WIDTH == 32 | |
109 | #define CONTEXT_INIT DEC_INIT_DECIMAL32 | |
110 | #elif WIDTH == 64 | |
111 | #define CONTEXT_INIT DEC_INIT_DECIMAL64 | |
112 | #elif WIDTH == 128 | |
113 | #define CONTEXT_INIT DEC_INIT_DECIMAL128 | |
114 | #endif | |
115 | ||
116 | #ifndef DFP_INIT_ROUNDMODE | |
117 | #define DFP_INIT_ROUNDMODE(A) A = DEC_ROUND_HALF_EVEN | |
118 | #endif | |
119 | ||
120 | #ifdef DFP_EXCEPTIONS_ENABLED | |
121 | /* Return IEEE exception flags based on decNumber status flags. */ | |
122 | #define DFP_IEEE_FLAGS(DEC_FLAGS) __extension__ \ | |
123 | ({int _fe_flags = 0; \ | |
124 | if ((dec_flags & DEC_IEEE_854_Division_by_zero) != 0) \ | |
125 | _fe_flags |= FE_DIVBYZERO; \ | |
126 | if ((dec_flags & DEC_IEEE_854_Inexact) != 0) \ | |
127 | _fe_flags |= FE_INEXACT; \ | |
128 | if ((dec_flags & DEC_IEEE_854_Invalid_operation) != 0) \ | |
129 | _fe_flags |= FE_INVALID; \ | |
130 | if ((dec_flags & DEC_IEEE_854_Overflow) != 0) \ | |
131 | _fe_flags |= FE_OVERFLOW; \ | |
132 | if ((dec_flags & DEC_IEEE_854_Underflow) != 0) \ | |
133 | _fe_flags |= FE_UNDERFLOW; \ | |
134 | _fe_flags; }) | |
135 | #else | |
136 | #define DFP_EXCEPTIONS_ENABLED 0 | |
137 | #define DFP_IEEE_FLAGS(A) 0 | |
138 | #define DFP_HANDLE_EXCEPTIONS(A) do {} while (0) | |
139 | #endif | |
140 | ||
141 | /* Conversions between different decimal float types use WIDTH_TO to | |
142 | determine additional macros to define. */ | |
143 | ||
144 | #if defined (L_dd_to_sd) || defined (L_td_to_sd) | |
145 | #define WIDTH_TO 32 | |
146 | #elif defined (L_sd_to_dd) || defined (L_td_to_dd) | |
147 | #define WIDTH_TO 64 | |
148 | #elif defined (L_sd_to_td) || defined (L_dd_to_td) | |
149 | #define WIDTH_TO 128 | |
150 | #endif | |
151 | ||
152 | /* If WIDTH_TO is defined, define additional macros: | |
153 | ||
154 | DFP_C_TYPE_TO: type of the result of dfp to dfp conversion. | |
155 | ||
156 | IEEE_TYPE_TO: the corresponding (encoded) IEEE754 type. | |
157 | ||
158 | TO_ENCODED_TO: the name of the decNumber function to convert an | |
159 | internally represented decNumber into the encoded representation | |
160 | for the destination. */ | |
161 | ||
162 | #if WIDTH_TO == 32 | |
163 | #define DFP_C_TYPE_TO _Decimal32 | |
164 | #define IEEE_TYPE_TO decimal32 | |
165 | #define TO_ENCODED_TO __decimal32FromNumber | |
166 | #define IEEE_TO_HOST_TO __ieee_to_host_32 | |
167 | #elif WIDTH_TO == 64 | |
168 | #define DFP_C_TYPE_TO _Decimal64 | |
169 | #define IEEE_TYPE_TO decimal64 | |
170 | #define TO_ENCODED_TO __decimal64FromNumber | |
171 | #define IEEE_TO_HOST_TO __ieee_to_host_64 | |
172 | #elif WIDTH_TO == 128 | |
173 | #define DFP_C_TYPE_TO _Decimal128 | |
174 | #define IEEE_TYPE_TO decimal128 | |
175 | #define TO_ENCODED_TO __decimal128FromNumber | |
176 | #define IEEE_TO_HOST_TO __ieee_to_host_128 | |
177 | #endif | |
178 | ||
179 | /* Conversions between decimal float types and integral types use INT_KIND | |
180 | to determine the data type and C functions to use. */ | |
181 | ||
182 | #if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \ | |
183 | || defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) | |
184 | #define INT_KIND 1 | |
185 | #elif defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \ | |
186 | || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) | |
187 | #define INT_KIND 2 | |
188 | #elif defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \ | |
189 | || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) | |
190 | #define INT_KIND 3 | |
191 | #elif defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) \ | |
192 | || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td) | |
193 | #define INT_KIND 4 | |
194 | #endif | |
195 | ||
196 | /* If INT_KIND is defined, define additional macros: | |
197 | ||
198 | INT_TYPE: The integer data type. | |
199 | ||
200 | INT_FMT: The format string for writing the integer to a string. | |
201 | ||
202 | CAST_FOR_FMT: Cast variable of INT_KIND to C type for sprintf. | |
203 | This works for ILP32 and LP64, won't for other type size systems. | |
204 | ||
205 | STR_TO_INT: The function to read the integer from a string. */ | |
206 | ||
207 | #if INT_KIND == 1 | |
208 | #define INT_TYPE SItype | |
209 | #define INT_FMT "%d" | |
210 | #define CAST_FOR_FMT(A) (int)A | |
211 | #define STR_TO_INT strtol | |
212 | #elif INT_KIND == 2 | |
213 | #define INT_TYPE DItype | |
214 | #define INT_FMT "%lld" | |
215 | #define CAST_FOR_FMT(A) (long long)A | |
216 | #define STR_TO_INT strtoll | |
217 | #elif INT_KIND == 3 | |
218 | #define INT_TYPE USItype | |
219 | #define INT_FMT "%u" | |
220 | #define CAST_FOR_FMT(A) (unsigned int)A | |
221 | #define STR_TO_INT strtoul | |
222 | #elif INT_KIND == 4 | |
223 | #define INT_TYPE UDItype | |
224 | #define INT_FMT "%llu" | |
225 | #define CAST_FOR_FMT(A) (unsigned long long)A | |
226 | #define STR_TO_INT strtoull | |
227 | #endif | |
228 | ||
229 | /* Conversions between decimal float types and binary float types use | |
230 | BFP_KIND to determine the data type and C functions to use. */ | |
231 | ||
232 | #if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \ | |
233 | || defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) | |
234 | #define BFP_KIND 1 | |
235 | #elif defined (L_sd_to_df) || defined (L_dd_to_df ) || defined (L_td_to_df) \ | |
236 | || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) | |
237 | #define BFP_KIND 2 | |
238 | #elif defined (L_sd_to_xf) || defined (L_dd_to_xf ) || defined (L_td_to_xf) \ | |
239 | || defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td) | |
240 | #define BFP_KIND 3 | |
241 | #elif defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf) \ | |
242 | || defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td) | |
243 | #define BFP_KIND 4 | |
78118359 MM |
244 | #elif defined (L_sd_to_kf) || defined (L_dd_to_kf) || defined (L_td_to_kf) \ |
245 | || defined (L_kf_to_sd) || defined (L_kf_to_dd) || defined (L_kf_to_td) | |
246 | #define BFP_KIND 5 | |
2d8d5935 RO |
247 | #endif |
248 | ||
249 | /* If BFP_KIND is defined, define additional macros: | |
250 | ||
251 | BFP_TYPE: The binary floating point data type. | |
252 | ||
253 | BFP_FMT: The format string for writing the value to a string. | |
254 | The number of decimal digits printed is | |
255 | ceil (nbits / log2 (10.) + 1) | |
256 | as described in David Matula's CACM 19(3) 716-723 June 1968 paper. | |
257 | ||
258 | BFP_VIA_TYPE: Type to which to cast a variable of BPF_TYPE for a | |
259 | call to sprintf. | |
260 | ||
261 | STR_TO_BFP: The function to read the value from a string. */ | |
262 | ||
263 | #if BFP_KIND == 1 | |
264 | #define BFP_TYPE SFtype | |
265 | #define BFP_FMT "%.9e" | |
266 | #define BFP_VIA_TYPE double | |
267 | #define STR_TO_BFP strtof | |
268 | ||
269 | #elif BFP_KIND == 2 | |
270 | #define BFP_TYPE DFtype | |
271 | #define BFP_FMT "%.17e" | |
272 | #define BFP_VIA_TYPE double | |
273 | #define STR_TO_BFP strtod | |
274 | ||
275 | #elif BFP_KIND == 3 | |
276 | #if LONG_DOUBLE_HAS_XF_MODE | |
277 | #define BFP_TYPE XFtype | |
278 | #define BFP_FMT "%.21Le" | |
279 | #define BFP_VIA_TYPE long double | |
280 | #define STR_TO_BFP strtold | |
281 | #endif /* LONG_DOUBLE_HAS_XF_MODE */ | |
282 | ||
283 | #elif BFP_KIND == 4 | |
284 | #if LONG_DOUBLE_HAS_TF_MODE | |
285 | #define BFP_TYPE TFtype | |
286 | #if LDBL_MANT_DIG == 106 | |
287 | #define BFP_FMT "%.33Le" | |
288 | #elif LDBL_MANT_DIG == 113 | |
289 | #define BFP_FMT "%.36Le" | |
290 | #else | |
291 | #error "unknown long double size, cannot define BFP_FMT" | |
292 | #endif /* LDBL_MANT_DIG */ | |
293 | #define STR_TO_BFP strtold | |
294 | #define BFP_VIA_TYPE long double | |
295 | #endif /* LONG_DOUBLE_HAS_TF_MODE */ | |
296 | ||
78118359 MM |
297 | #elif BFP_KIND == 5 |
298 | #define BFP_TYPE _Float128 | |
299 | #define BFP_FMT "%.36Le" | |
300 | #define BFP_VIA_TYPE _Float128 | |
645bfc16 MM |
301 | #define STR_TO_BFP __strtoieee128 |
302 | extern _Float128 __strtoieee128 (const char *, char **); | |
78118359 | 303 | |
2d8d5935 RO |
304 | #endif /* BFP_KIND */ |
305 | ||
306 | #if WIDTH == 128 || WIDTH_TO == 128 | |
307 | #include "decimal128.h" | |
308 | #include "decQuad.h" | |
309 | #endif | |
310 | #if WIDTH == 64 || WIDTH_TO == 64 | |
311 | #include "decimal64.h" | |
312 | #include "decDouble.h" | |
313 | #endif | |
314 | #if WIDTH == 32 || WIDTH_TO == 32 | |
315 | #include "decimal32.h" | |
316 | #include "decSingle.h" | |
317 | #endif | |
318 | #include "decNumber.h" | |
319 | ||
320 | /* Names of arithmetic functions. */ | |
321 | ||
322 | #if ENABLE_DECIMAL_BID_FORMAT | |
323 | #define DPD_BID_NAME(DPD,BID) BID | |
324 | #else | |
325 | #define DPD_BID_NAME(DPD,BID) DPD | |
326 | #endif | |
327 | ||
328 | #if WIDTH == 32 | |
329 | #define DFP_ADD DPD_BID_NAME(__dpd_addsd3,__bid_addsd3) | |
330 | #define DFP_SUB DPD_BID_NAME(__dpd_subsd3,__bid_subsd3) | |
331 | #define DFP_MULTIPLY DPD_BID_NAME(__dpd_mulsd3,__bid_mulsd3) | |
332 | #define DFP_DIVIDE DPD_BID_NAME(__dpd_divsd3,__bid_divsd3) | |
333 | #define DFP_EQ DPD_BID_NAME(__dpd_eqsd2,__bid_eqsd2) | |
334 | #define DFP_NE DPD_BID_NAME(__dpd_nesd2,__bid_nesd2) | |
335 | #define DFP_LT DPD_BID_NAME(__dpd_ltsd2,__bid_ltsd2) | |
336 | #define DFP_GT DPD_BID_NAME(__dpd_gtsd2,__bid_gtsd2) | |
337 | #define DFP_LE DPD_BID_NAME(__dpd_lesd2,__bid_lesd2) | |
338 | #define DFP_GE DPD_BID_NAME(__dpd_gesd2,__bid_gesd2) | |
339 | #define DFP_UNORD DPD_BID_NAME(__dpd_unordsd2,__bid_unordsd2) | |
340 | #elif WIDTH == 64 | |
341 | #define DFP_ADD DPD_BID_NAME(__dpd_adddd3,__bid_adddd3) | |
342 | #define DFP_SUB DPD_BID_NAME(__dpd_subdd3,__bid_subdd3) | |
343 | #define DFP_MULTIPLY DPD_BID_NAME(__dpd_muldd3,__bid_muldd3) | |
344 | #define DFP_DIVIDE DPD_BID_NAME(__dpd_divdd3,__bid_divdd3) | |
345 | #define DFP_EQ DPD_BID_NAME(__dpd_eqdd2,__bid_eqdd2) | |
346 | #define DFP_NE DPD_BID_NAME(__dpd_nedd2,__bid_nedd2) | |
347 | #define DFP_LT DPD_BID_NAME(__dpd_ltdd2,__bid_ltdd2) | |
348 | #define DFP_GT DPD_BID_NAME(__dpd_gtdd2,__bid_gtdd2) | |
349 | #define DFP_LE DPD_BID_NAME(__dpd_ledd2,__bid_ledd2) | |
350 | #define DFP_GE DPD_BID_NAME(__dpd_gedd2,__bid_gedd2) | |
351 | #define DFP_UNORD DPD_BID_NAME(__dpd_unorddd2,__bid_unorddd2) | |
352 | #elif WIDTH == 128 | |
353 | #define DFP_ADD DPD_BID_NAME(__dpd_addtd3,__bid_addtd3) | |
354 | #define DFP_SUB DPD_BID_NAME(__dpd_subtd3,__bid_subtd3) | |
355 | #define DFP_MULTIPLY DPD_BID_NAME(__dpd_multd3,__bid_multd3) | |
356 | #define DFP_DIVIDE DPD_BID_NAME(__dpd_divtd3,__bid_divtd3) | |
357 | #define DFP_EQ DPD_BID_NAME(__dpd_eqtd2,__bid_eqtd2) | |
358 | #define DFP_NE DPD_BID_NAME(__dpd_netd2,__bid_netd2) | |
359 | #define DFP_LT DPD_BID_NAME(__dpd_lttd2,__bid_lttd2) | |
360 | #define DFP_GT DPD_BID_NAME(__dpd_gttd2,__bid_gttd2) | |
361 | #define DFP_LE DPD_BID_NAME(__dpd_letd2,__bid_letd2) | |
362 | #define DFP_GE DPD_BID_NAME(__dpd_getd2,__bid_getd2) | |
363 | #define DFP_UNORD DPD_BID_NAME(__dpd_unordtd2,__bid_unordtd2) | |
364 | #endif | |
365 | ||
366 | /* Names of decNumber functions for DPD arithmetic. */ | |
367 | ||
368 | #if WIDTH == 32 | |
369 | #define decFloat decDouble | |
370 | #define DFP_BINARY_OP d32_binary_op | |
371 | #define DFP_COMPARE_OP d32_compare_op | |
372 | #define DEC_FLOAT_ADD decDoubleAdd | |
373 | #define DEC_FLOAT_SUBTRACT decDoubleSubtract | |
374 | #define DEC_FLOAT_MULTIPLY decDoubleMultiply | |
375 | #define DEC_FLOAT_DIVIDE decDoubleDivide | |
376 | #define DEC_FLOAT_COMPARE decDoubleCompare | |
377 | #define DEC_FLOAT_IS_ZERO decDoubleIsZero | |
378 | #define DEC_FLOAT_IS_NAN decDoubleIsNaN | |
379 | #define DEC_FLOAT_IS_SIGNED decDoubleIsSigned | |
380 | #elif WIDTH == 64 | |
381 | #define DFP_BINARY_OP dnn_binary_op | |
382 | #define DFP_COMPARE_OP dnn_compare_op | |
383 | #define decFloat decDouble | |
384 | #define DEC_FLOAT_ADD decDoubleAdd | |
385 | #define DEC_FLOAT_SUBTRACT decDoubleSubtract | |
386 | #define DEC_FLOAT_MULTIPLY decDoubleMultiply | |
387 | #define DEC_FLOAT_DIVIDE decDoubleDivide | |
388 | #define DEC_FLOAT_COMPARE decDoubleCompare | |
389 | #define DEC_FLOAT_IS_ZERO decDoubleIsZero | |
390 | #define DEC_FLOAT_IS_NAN decDoubleIsNaN | |
391 | #define DEC_FLOAT_IS_SIGNED decDoubleIsSigned | |
392 | #elif WIDTH == 128 | |
393 | #define DFP_BINARY_OP dnn_binary_op | |
394 | #define DFP_COMPARE_OP dnn_compare_op | |
395 | #define decFloat decQuad | |
396 | #define DEC_FLOAT_ADD decQuadAdd | |
397 | #define DEC_FLOAT_SUBTRACT decQuadSubtract | |
398 | #define DEC_FLOAT_MULTIPLY decQuadMultiply | |
399 | #define DEC_FLOAT_DIVIDE decQuadDivide | |
400 | #define DEC_FLOAT_COMPARE decQuadCompare | |
401 | #define DEC_FLOAT_IS_ZERO decQuadIsZero | |
402 | #define DEC_FLOAT_IS_NAN decQuadIsNaN | |
403 | #define DEC_FLOAT_IS_SIGNED decQuadIsSigned | |
404 | #endif | |
405 | ||
406 | /* Names of functions to convert between different decimal float types. */ | |
407 | ||
408 | #if WIDTH == 32 | |
409 | #if WIDTH_TO == 64 | |
410 | #define DFP_TO_DFP DPD_BID_NAME(__dpd_extendsddd2,__bid_extendsddd2) | |
411 | #elif WIDTH_TO == 128 | |
412 | #define DFP_TO_DFP DPD_BID_NAME(__dpd_extendsdtd2,__bid_extendsdtd2) | |
413 | #endif | |
414 | #elif WIDTH == 64 | |
415 | #if WIDTH_TO == 32 | |
416 | #define DFP_TO_DFP DPD_BID_NAME(__dpd_truncddsd2,__bid_truncddsd2) | |
417 | #elif WIDTH_TO == 128 | |
418 | #define DFP_TO_DFP DPD_BID_NAME(__dpd_extendddtd2,__bid_extendddtd2) | |
419 | #endif | |
420 | #elif WIDTH == 128 | |
421 | #if WIDTH_TO == 32 | |
422 | #define DFP_TO_DFP DPD_BID_NAME(__dpd_trunctdsd2,__bid_trunctdsd2) | |
423 | #elif WIDTH_TO == 64 | |
424 | #define DFP_TO_DFP DPD_BID_NAME(__dpd_trunctddd2,__bid_trunctddd2) | |
425 | #endif | |
426 | #endif | |
427 | ||
428 | /* Names of functions to convert between decimal float and integers. */ | |
429 | ||
430 | #if WIDTH == 32 | |
431 | #if INT_KIND == 1 | |
432 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatsisd,__bid_floatsisd) | |
433 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixsdsi,__bid_fixsdsi) | |
434 | #define DEC_FLOAT_FROM_INT decDoubleFromInt32 | |
435 | #define DEC_FLOAT_TO_INT decDoubleToInt32 | |
436 | #elif INT_KIND == 2 | |
437 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatdisd,__bid_floatdisd) | |
438 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixsddi,__bid_fixsddi) | |
439 | #elif INT_KIND == 3 | |
440 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssisd,__bid_floatunssisd) | |
441 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunssdsi,__bid_fixunssdsi) | |
442 | #define DEC_FLOAT_FROM_INT decDoubleFromUInt32 | |
443 | #define DEC_FLOAT_TO_INT decDoubleToUInt32 | |
444 | #elif INT_KIND == 4 | |
445 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsdisd,__bid_floatunsdisd) | |
446 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunssddi,__bid_fixunssddi) | |
447 | #endif | |
448 | #elif WIDTH == 64 | |
449 | #define decFloat decDouble | |
450 | #if INT_KIND == 1 | |
451 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatsidd,__bid_floatsidd) | |
452 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixddsi,__bid_fixddsi) | |
453 | #define DEC_FLOAT_FROM_INT decDoubleFromInt32 | |
454 | #define DEC_FLOAT_TO_INT decDoubleToInt32 | |
455 | #elif INT_KIND == 2 | |
456 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatdidd,__bid_floatdidd) | |
457 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixdddi,__bid_fixdddi) | |
458 | #elif INT_KIND == 3 | |
459 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssidd,__bid_floatunssidd) | |
460 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunsddsi,__bid_fixunsddsi) | |
461 | #define DEC_FLOAT_FROM_INT decDoubleFromUInt32 | |
462 | #define DEC_FLOAT_TO_INT decDoubleToUInt32 | |
463 | #elif INT_KIND == 4 | |
464 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsdidd,__bid_floatunsdidd) | |
465 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunsdddi,__bid_fixunsdddi) | |
466 | #endif | |
467 | #elif WIDTH == 128 | |
468 | #define decFloat decQuad | |
469 | #if INT_KIND == 1 | |
470 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatsitd,__bid_floatsitd) | |
471 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixtdsi,__bid_fixtdsi) | |
472 | #define DEC_FLOAT_FROM_INT decQuadFromInt32 | |
473 | #define DEC_FLOAT_TO_INT decQuadToInt32 | |
474 | #elif INT_KIND == 2 | |
475 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatditd,__bid_floatditd) | |
476 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixtddi,__bid_fixtddi) | |
477 | #elif INT_KIND == 3 | |
478 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssitd,__bid_floatunssitd) | |
479 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunstdsi,__bid_fixunstdsi) | |
480 | #define DEC_FLOAT_FROM_INT decQuadFromUInt32 | |
481 | #define DEC_FLOAT_TO_INT decQuadToUInt32 | |
482 | #elif INT_KIND == 4 | |
483 | #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsditd,__bid_floatunsditd) | |
484 | #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunstddi,__bid_fixunstddi) | |
485 | #endif | |
486 | #endif | |
487 | ||
488 | /* Names of functions to convert between decimal float and binary float. */ | |
489 | ||
490 | #if WIDTH == 32 | |
491 | #if BFP_KIND == 1 | |
492 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsfsd,__bid_extendsfsd) | |
493 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_truncsdsf,__bid_truncsdsf) | |
494 | #elif BFP_KIND == 2 | |
495 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_truncdfsd,__bid_truncdfsd) | |
496 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsddf,__bid_extendsddf) | |
497 | #elif BFP_KIND == 3 | |
498 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_truncxfsd,__bid_truncxfsd) | |
499 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdxf,__bid_extendsdxf) | |
500 | #elif BFP_KIND == 4 | |
501 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_trunctfsd,__bid_trunctfsd) | |
502 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdtf,__bid_extendsdtf) | |
78118359 MM |
503 | #elif BFP_KIND == 5 |
504 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_trunckfsd,__bid_trunckfsd) | |
505 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdkf,__bid_extendsdkf) | |
2d8d5935 RO |
506 | #endif /* BFP_KIND */ |
507 | ||
508 | #elif WIDTH == 64 | |
509 | #if BFP_KIND == 1 | |
510 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsfdd,__bid_extendsfdd) | |
511 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_truncddsf,__bid_truncddsf) | |
512 | #elif BFP_KIND == 2 | |
513 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extenddfdd,__bid_extenddfdd) | |
514 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_truncdddf,__bid_truncdddf) | |
515 | #elif BFP_KIND == 3 | |
516 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_truncxfdd,__bid_truncxfdd) | |
517 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddxf,__bid_extendddxf) | |
518 | #elif BFP_KIND == 4 | |
519 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_trunctfdd,__bid_trunctfdd) | |
520 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddtf,__bid_extendddtf) | |
78118359 MM |
521 | #elif BFP_KIND == 5 |
522 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_trunckfdd,__bid_trunckfdd) | |
523 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddkf,__bid_extendddkf) | |
2d8d5935 RO |
524 | #endif /* BFP_KIND */ |
525 | ||
526 | #elif WIDTH == 128 | |
527 | #if BFP_KIND == 1 | |
528 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsftd,__bid_extendsftd) | |
529 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdsf,__bid_trunctdsf) | |
530 | #elif BFP_KIND == 2 | |
531 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extenddftd,__bid_extenddftd) | |
532 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctddf,__bid_trunctddf) | |
533 | #elif BFP_KIND == 3 | |
534 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendxftd,__bid_extendxftd) | |
535 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdxf,__bid_trunctdxf) | |
536 | #elif BFP_KIND == 4 | |
537 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendtftd,__bid_extendtftd) | |
538 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdtf,__bid_trunctdtf) | |
78118359 MM |
539 | #elif BFP_KIND == 5 |
540 | #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendkftd,__bid_extendkftd) | |
541 | #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdkf,__bid_trunctdkf) | |
2d8d5935 RO |
542 | #endif /* BFP_KIND */ |
543 | ||
544 | #endif /* WIDTH */ | |
545 | ||
546 | /* Some handy typedefs. */ | |
547 | ||
548 | typedef float SFtype __attribute__ ((mode (SF))); | |
549 | typedef float DFtype __attribute__ ((mode (DF))); | |
550 | #if LONG_DOUBLE_HAS_XF_MODE | |
551 | typedef float XFtype __attribute__ ((mode (XF))); | |
552 | #endif /* LONG_DOUBLE_HAS_XF_MODE */ | |
553 | #if LONG_DOUBLE_HAS_TF_MODE | |
554 | typedef float TFtype __attribute__ ((mode (TF))); | |
555 | #endif /* LONG_DOUBLE_HAS_TF_MODE */ | |
556 | ||
557 | typedef int SItype __attribute__ ((mode (SI))); | |
558 | typedef int DItype __attribute__ ((mode (DI))); | |
559 | typedef unsigned int USItype __attribute__ ((mode (SI))); | |
560 | typedef unsigned int UDItype __attribute__ ((mode (DI))); | |
561 | ||
562 | /* The type of the result of a decimal float comparison. This must | |
563 | match `__libgcc_cmp_return__' in GCC for the target. */ | |
564 | ||
565 | typedef int CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); | |
566 | ||
567 | /* Prototypes. */ | |
568 | ||
569 | #if defined (L_mul_sd) || defined (L_mul_dd) || defined (L_mul_td) | |
570 | extern DFP_C_TYPE DFP_MULTIPLY (DFP_C_TYPE, DFP_C_TYPE); | |
571 | #endif | |
572 | ||
573 | #if defined (L_div_sd) || defined (L_div_dd) || defined (L_div_td) | |
574 | extern DFP_C_TYPE DFP_DIVIDE (DFP_C_TYPE, DFP_C_TYPE); | |
575 | #endif | |
576 | ||
577 | #if defined (L_addsub_sd) || defined (L_addsub_dd) || defined (L_addsub_td) | |
578 | extern DFP_C_TYPE DFP_ADD (DFP_C_TYPE, DFP_C_TYPE); | |
579 | extern DFP_C_TYPE DFP_SUB (DFP_C_TYPE, DFP_C_TYPE); | |
580 | #endif | |
581 | ||
582 | #if defined (L_eq_sd) || defined (L_eq_dd) || defined (L_eq_td) | |
583 | extern CMPtype DFP_EQ (DFP_C_TYPE, DFP_C_TYPE); | |
584 | #endif | |
585 | ||
586 | #if defined (L_ne_sd) || defined (L_ne_dd) || defined (L_ne_td) | |
587 | extern CMPtype DFP_NE (DFP_C_TYPE, DFP_C_TYPE); | |
588 | #endif | |
589 | ||
590 | #if defined (L_lt_sd) || defined (L_lt_dd) || defined (L_lt_td) | |
591 | extern CMPtype DFP_LT (DFP_C_TYPE, DFP_C_TYPE); | |
592 | #endif | |
593 | ||
594 | #if defined (L_gt_sd) || defined (L_gt_dd) || defined (L_gt_td) | |
595 | extern CMPtype DFP_GT (DFP_C_TYPE, DFP_C_TYPE); | |
596 | #endif | |
597 | ||
598 | #if defined (L_le_sd) || defined (L_le_dd) || defined (L_le_td) | |
599 | extern CMPtype DFP_LE (DFP_C_TYPE, DFP_C_TYPE); | |
600 | #endif | |
601 | ||
602 | #if defined (L_ge_sd) || defined (L_ge_dd) || defined (L_ge_td) | |
603 | extern CMPtype DFP_GE (DFP_C_TYPE, DFP_C_TYPE); | |
604 | #endif | |
605 | ||
606 | #if defined (L_unord_sd) || defined (L_unord_dd) || defined (L_unord_td) | |
607 | extern CMPtype DFP_UNORD (DFP_C_TYPE, DFP_C_TYPE); | |
608 | #endif | |
609 | ||
610 | #if defined (L_sd_to_dd) || defined (L_sd_to_td) || defined (L_dd_to_sd) \ | |
611 | || defined (L_dd_to_td) || defined (L_td_to_sd) || defined (L_td_to_dd) | |
612 | extern DFP_C_TYPE_TO DFP_TO_DFP (DFP_C_TYPE); | |
613 | #endif | |
614 | ||
615 | #if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \ | |
616 | || defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \ | |
617 | || defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \ | |
618 | || defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) | |
619 | extern INT_TYPE DFP_TO_INT (DFP_C_TYPE); | |
620 | #endif | |
621 | ||
622 | #if defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) \ | |
623 | || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) \ | |
624 | || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) \ | |
625 | || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td) | |
626 | extern DFP_C_TYPE INT_TO_DFP (INT_TYPE); | |
627 | #endif | |
628 | ||
629 | #if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \ | |
630 | || defined (L_sd_to_df) || defined (L_dd_to_df) || defined (L_td_to_df) \ | |
78118359 | 631 | || defined (L_sd_to_kf) || defined (L_dd_to_kf) || defined (L_td_to_kf) \ |
2d8d5935 RO |
632 | || ((defined (L_sd_to_xf) || defined (L_dd_to_xf) || defined (L_td_to_xf)) \ |
633 | && LONG_DOUBLE_HAS_XF_MODE) \ | |
634 | || ((defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf)) \ | |
635 | && LONG_DOUBLE_HAS_TF_MODE) | |
636 | extern BFP_TYPE DFP_TO_BFP (DFP_C_TYPE); | |
637 | #endif | |
638 | ||
639 | #if defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) \ | |
640 | || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) \ | |
641 | || ((defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td)) \ | |
642 | && LONG_DOUBLE_HAS_XF_MODE) \ | |
643 | || ((defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td)) \ | |
644 | && LONG_DOUBLE_HAS_TF_MODE) | |
645 | extern DFP_C_TYPE BFP_TO_DFP (BFP_TYPE); | |
78118359 MM |
646 | #define BFP_SPRINTF sprintf |
647 | ||
648 | #elif defined (L_kf_to_sd) || defined (L_kf_to_dd) || defined (L_kf_to_td) | |
649 | extern DFP_C_TYPE BFP_TO_DFP (BFP_TYPE); | |
645bfc16 MM |
650 | extern int __sprintfieee128 (char *restrict, const char *restrict, ...); |
651 | #define BFP_SPRINTF __sprintfieee128 | |
2d8d5935 RO |
652 | #endif |
653 | ||
654 | #endif /* _DFPBIT_H */ |