Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/dfp-bit.h @ 129:002ebcbc1eb4
remove test_env
author | mir3636 |
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date | Tue, 15 May 2018 18:45:25 +0900 |
parents | f6334be47118 |
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rev | line source |
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0 | 1 /* Header file for dfp-bit.c. |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2 Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
3 Free Software Foundation, Inc. |
0 | 4 |
5 This file is part of GCC. | |
6 | |
7 GCC is free software; you can redistribute it and/or modify it under | |
8 the terms of the GNU General Public License as published by the Free | |
9 Software Foundation; either version 3, or (at your option) any later | |
10 version. | |
11 | |
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 Under Section 7 of GPL version 3, you are granted additional | |
18 permissions described in the GCC Runtime Library Exception, version | |
19 3.1, as published by the Free Software Foundation. | |
20 | |
21 You should have received a copy of the GNU General Public License and | |
22 a copy of the GCC Runtime Library Exception along with this program; | |
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 <http://www.gnu.org/licenses/>. */ | |
25 | |
26 #ifndef _DFPBIT_H | |
27 #define _DFPBIT_H | |
28 | |
29 #include <float.h> | |
30 #include <fenv.h> | |
31 #include <decRound.h> | |
32 #include <decExcept.h> | |
33 #include "tconfig.h" | |
34 #include "coretypes.h" | |
35 #include "tm.h" | |
36 | |
37 #ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE | |
38 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE | |
39 #endif | |
40 | |
41 /* We need to know the size of long double that the C library supports. | |
42 Don't use LIBGCC2_HAS_XF_MODE or LIBGCC2_HAS_TF_MODE here because | |
43 some targets set both of those. */ | |
44 | |
45 #define LONG_DOUBLE_HAS_XF_MODE \ | |
46 (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 80) | |
47 | |
48 #define LONG_DOUBLE_HAS_TF_MODE \ | |
49 (BITS_PER_UNIT == 8 && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128) | |
50 | |
51 /* Depending on WIDTH, define a number of macros: | |
52 | |
53 DFP_C_TYPE: type of the arguments to the libgcc functions; | |
54 (eg _Decimal32) | |
55 | |
56 IEEE_TYPE: the corresponding (encoded) IEEE754 type; | |
57 (eg decimal32) | |
58 | |
59 TO_INTERNAL: the name of the decNumber function to convert an | |
60 encoded value into the decNumber internal representation; | |
61 | |
62 TO_ENCODED: the name of the decNumber function to convert an | |
63 internally represented decNumber into the encoded | |
64 representation. | |
65 | |
66 FROM_STRING: the name of the decNumber function to read an | |
67 encoded value from a string. | |
68 | |
69 TO_STRING: the name of the decNumber function to write an | |
70 encoded value to a string. */ | |
71 | |
72 #if WIDTH == 32 | |
73 #define DFP_C_TYPE _Decimal32 | |
74 #define IEEE_TYPE decimal32 | |
75 #define HOST_TO_IEEE __host_to_ieee_32 | |
76 #define IEEE_TO_HOST __ieee_to_host_32 | |
77 #define TO_INTERNAL __decimal32ToNumber | |
78 #define TO_ENCODED __decimal32FromNumber | |
79 #define FROM_STRING __decimal32FromString | |
80 #define TO_STRING __decimal32ToString | |
81 #elif WIDTH == 64 | |
82 #define DFP_C_TYPE _Decimal64 | |
83 #define IEEE_TYPE decimal64 | |
84 #define HOST_TO_IEEE __host_to_ieee_64 | |
85 #define IEEE_TO_HOST __ieee_to_host_64 | |
86 #define TO_INTERNAL __decimal64ToNumber | |
87 #define TO_ENCODED __decimal64FromNumber | |
88 #define FROM_STRING __decimal64FromString | |
89 #define TO_STRING __decimal64ToString | |
90 #elif WIDTH == 128 | |
91 #define DFP_C_TYPE _Decimal128 | |
92 #define IEEE_TYPE decimal128 | |
93 #define HOST_TO_IEEE __host_to_ieee_128 | |
94 #define IEEE_TO_HOST __ieee_to_host_128 | |
95 #define TO_INTERNAL __decimal128ToNumber | |
96 #define TO_ENCODED __decimal128FromNumber | |
97 #define FROM_STRING __decimal128FromString | |
98 #define TO_STRING __decimal128ToString | |
99 #else | |
100 #error invalid decimal float word width | |
101 #endif | |
102 | |
103 /* We define __DEC_EVAL_METHOD__ to 2, saying that we evaluate all | |
104 operations and constants to the range and precision of the _Decimal128 | |
105 type. Make it so. */ | |
106 #if WIDTH == 32 | |
107 #define CONTEXT_INIT DEC_INIT_DECIMAL32 | |
108 #elif WIDTH == 64 | |
109 #define CONTEXT_INIT DEC_INIT_DECIMAL64 | |
110 #elif WIDTH == 128 | |
111 #define CONTEXT_INIT DEC_INIT_DECIMAL128 | |
112 #endif | |
113 | |
114 #ifndef DFP_INIT_ROUNDMODE | |
115 #define DFP_INIT_ROUNDMODE(A) A = DEC_ROUND_HALF_EVEN | |
116 #endif | |
117 | |
118 #ifdef DFP_EXCEPTIONS_ENABLED | |
119 /* Return IEEE exception flags based on decNumber status flags. */ | |
120 #define DFP_IEEE_FLAGS(DEC_FLAGS) __extension__ \ | |
121 ({int _fe_flags = 0; \ | |
122 if ((dec_flags & DEC_IEEE_854_Division_by_zero) != 0) \ | |
123 _fe_flags |= FE_DIVBYZERO; \ | |
124 if ((dec_flags & DEC_IEEE_854_Inexact) != 0) \ | |
125 _fe_flags |= FE_INEXACT; \ | |
126 if ((dec_flags & DEC_IEEE_854_Invalid_operation) != 0) \ | |
127 _fe_flags |= FE_INVALID; \ | |
128 if ((dec_flags & DEC_IEEE_854_Overflow) != 0) \ | |
129 _fe_flags |= FE_OVERFLOW; \ | |
130 if ((dec_flags & DEC_IEEE_854_Underflow) != 0) \ | |
131 _fe_flags |= FE_UNDERFLOW; \ | |
132 _fe_flags; }) | |
133 #else | |
134 #define DFP_EXCEPTIONS_ENABLED 0 | |
135 #define DFP_IEEE_FLAGS(A) 0 | |
136 #define DFP_HANDLE_EXCEPTIONS(A) do {} while (0) | |
137 #endif | |
138 | |
139 /* Conversions between different decimal float types use WIDTH_TO to | |
140 determine additional macros to define. */ | |
141 | |
142 #if defined (L_dd_to_sd) || defined (L_td_to_sd) | |
143 #define WIDTH_TO 32 | |
144 #elif defined (L_sd_to_dd) || defined (L_td_to_dd) | |
145 #define WIDTH_TO 64 | |
146 #elif defined (L_sd_to_td) || defined (L_dd_to_td) | |
147 #define WIDTH_TO 128 | |
148 #endif | |
149 | |
150 /* If WIDTH_TO is defined, define additional macros: | |
151 | |
152 DFP_C_TYPE_TO: type of the result of dfp to dfp conversion. | |
153 | |
154 IEEE_TYPE_TO: the corresponding (encoded) IEEE754 type. | |
155 | |
156 TO_ENCODED_TO: the name of the decNumber function to convert an | |
157 internally represented decNumber into the encoded representation | |
158 for the destination. */ | |
159 | |
160 #if WIDTH_TO == 32 | |
161 #define DFP_C_TYPE_TO _Decimal32 | |
162 #define IEEE_TYPE_TO decimal32 | |
163 #define TO_ENCODED_TO __decimal32FromNumber | |
164 #define IEEE_TO_HOST_TO __ieee_to_host_32 | |
165 #elif WIDTH_TO == 64 | |
166 #define DFP_C_TYPE_TO _Decimal64 | |
167 #define IEEE_TYPE_TO decimal64 | |
168 #define TO_ENCODED_TO __decimal64FromNumber | |
169 #define IEEE_TO_HOST_TO __ieee_to_host_64 | |
170 #elif WIDTH_TO == 128 | |
171 #define DFP_C_TYPE_TO _Decimal128 | |
172 #define IEEE_TYPE_TO decimal128 | |
173 #define TO_ENCODED_TO __decimal128FromNumber | |
174 #define IEEE_TO_HOST_TO __ieee_to_host_128 | |
175 #endif | |
176 | |
177 /* Conversions between decimal float types and integral types use INT_KIND | |
178 to determine the data type and C functions to use. */ | |
179 | |
180 #if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \ | |
181 || defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) | |
182 #define INT_KIND 1 | |
183 #elif defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \ | |
184 || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) | |
185 #define INT_KIND 2 | |
186 #elif defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \ | |
187 || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) | |
188 #define INT_KIND 3 | |
189 #elif defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) \ | |
190 || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td) | |
191 #define INT_KIND 4 | |
192 #endif | |
193 | |
194 /* If INT_KIND is defined, define additional macros: | |
195 | |
196 INT_TYPE: The integer data type. | |
197 | |
198 INT_FMT: The format string for writing the integer to a string. | |
199 | |
200 CAST_FOR_FMT: Cast variable of INT_KIND to C type for sprintf. | |
201 This works for ILP32 and LP64, won't for other type size systems. | |
202 | |
203 STR_TO_INT: The function to read the integer from a string. */ | |
204 | |
205 #if INT_KIND == 1 | |
206 #define INT_TYPE SItype | |
207 #define INT_FMT "%d" | |
208 #define CAST_FOR_FMT(A) (int)A | |
209 #define STR_TO_INT strtol | |
210 #elif INT_KIND == 2 | |
211 #define INT_TYPE DItype | |
212 #define INT_FMT "%lld" | |
213 #define CAST_FOR_FMT(A) (long long)A | |
214 #define STR_TO_INT strtoll | |
215 #elif INT_KIND == 3 | |
216 #define INT_TYPE USItype | |
217 #define INT_FMT "%u" | |
218 #define CAST_FOR_FMT(A) (unsigned int)A | |
219 #define STR_TO_INT strtoul | |
220 #elif INT_KIND == 4 | |
221 #define INT_TYPE UDItype | |
222 #define INT_FMT "%llu" | |
223 #define CAST_FOR_FMT(A) (unsigned long long)A | |
224 #define STR_TO_INT strtoull | |
225 #endif | |
226 | |
227 /* Conversions between decimal float types and binary float types use | |
228 BFP_KIND to determine the data type and C functions to use. */ | |
229 | |
230 #if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \ | |
231 || defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) | |
232 #define BFP_KIND 1 | |
233 #elif defined (L_sd_to_df) || defined (L_dd_to_df ) || defined (L_td_to_df) \ | |
234 || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) | |
235 #define BFP_KIND 2 | |
236 #elif defined (L_sd_to_xf) || defined (L_dd_to_xf ) || defined (L_td_to_xf) \ | |
237 || defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td) | |
238 #define BFP_KIND 3 | |
239 #elif defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf) \ | |
240 || defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td) | |
241 #define BFP_KIND 4 | |
242 #endif | |
243 | |
244 /* If BFP_KIND is defined, define additional macros: | |
245 | |
246 BFP_TYPE: The binary floating point data type. | |
247 | |
248 BFP_FMT: The format string for writing the value to a string. | |
249 The number of decimal digits printed is | |
250 ceil (nbits / log2 (10.) + 1) | |
251 as described in David Matula's CACM 19(3) 716-723 June 1968 paper. | |
252 | |
253 BFP_VIA_TYPE: Type to which to cast a variable of BPF_TYPE for a | |
254 call to sprintf. | |
255 | |
256 STR_TO_BFP: The function to read the value from a string. */ | |
257 | |
258 #if BFP_KIND == 1 | |
259 #define BFP_TYPE SFtype | |
260 #define BFP_FMT "%.9e" | |
261 #define BFP_VIA_TYPE double | |
262 #define STR_TO_BFP strtof | |
263 | |
264 #elif BFP_KIND == 2 | |
265 #define BFP_TYPE DFtype | |
266 #define BFP_FMT "%.17e" | |
267 #define BFP_VIA_TYPE double | |
268 #define STR_TO_BFP strtod | |
269 | |
270 #elif BFP_KIND == 3 | |
271 #if LONG_DOUBLE_HAS_XF_MODE | |
272 #define BFP_TYPE XFtype | |
273 #define BFP_FMT "%.21Le" | |
274 #define BFP_VIA_TYPE long double | |
275 #define STR_TO_BFP strtold | |
276 #endif /* LONG_DOUBLE_HAS_XF_MODE */ | |
277 | |
278 #elif BFP_KIND == 4 | |
279 #if LONG_DOUBLE_HAS_TF_MODE | |
280 #define BFP_TYPE TFtype | |
281 #if LDBL_MANT_DIG == 106 | |
282 #define BFP_FMT "%.33Le" | |
283 #elif LDBL_MANT_DIG == 113 | |
284 #define BFP_FMT "%.36Le" | |
285 #else | |
286 #error "unknown long double size, cannot define BFP_FMT" | |
287 #endif /* LDBL_MANT_DIG */ | |
288 #define STR_TO_BFP strtold | |
289 #define BFP_VIA_TYPE long double | |
290 #endif /* LONG_DOUBLE_HAS_TF_MODE */ | |
291 | |
292 #endif /* BFP_KIND */ | |
293 | |
294 #if WIDTH == 128 || WIDTH_TO == 128 | |
295 #include "decimal128.h" | |
296 #include "decQuad.h" | |
297 #endif | |
298 #if WIDTH == 64 || WIDTH_TO == 64 | |
299 #include "decimal64.h" | |
300 #include "decDouble.h" | |
301 #endif | |
302 #if WIDTH == 32 || WIDTH_TO == 32 | |
303 #include "decimal32.h" | |
304 #include "decSingle.h" | |
305 #endif | |
306 #include "decNumber.h" | |
307 | |
308 /* Names of arithmetic functions. */ | |
309 | |
310 #if ENABLE_DECIMAL_BID_FORMAT | |
311 #define DPD_BID_NAME(DPD,BID) BID | |
312 #else | |
313 #define DPD_BID_NAME(DPD,BID) DPD | |
314 #endif | |
315 | |
316 #if WIDTH == 32 | |
317 #define DFP_ADD DPD_BID_NAME(__dpd_addsd3,__bid_addsd3) | |
318 #define DFP_SUB DPD_BID_NAME(__dpd_subsd3,__bid_subsd3) | |
319 #define DFP_MULTIPLY DPD_BID_NAME(__dpd_mulsd3,__bid_mulsd3) | |
320 #define DFP_DIVIDE DPD_BID_NAME(__dpd_divsd3,__bid_divsd3) | |
321 #define DFP_EQ DPD_BID_NAME(__dpd_eqsd2,__bid_eqsd2) | |
322 #define DFP_NE DPD_BID_NAME(__dpd_nesd2,__bid_nesd2) | |
323 #define DFP_LT DPD_BID_NAME(__dpd_ltsd2,__bid_ltsd2) | |
324 #define DFP_GT DPD_BID_NAME(__dpd_gtsd2,__bid_gtsd2) | |
325 #define DFP_LE DPD_BID_NAME(__dpd_lesd2,__bid_lesd2) | |
326 #define DFP_GE DPD_BID_NAME(__dpd_gesd2,__bid_gesd2) | |
327 #define DFP_UNORD DPD_BID_NAME(__dpd_unordsd2,__bid_unordsd2) | |
328 #elif WIDTH == 64 | |
329 #define DFP_ADD DPD_BID_NAME(__dpd_adddd3,__bid_adddd3) | |
330 #define DFP_SUB DPD_BID_NAME(__dpd_subdd3,__bid_subdd3) | |
331 #define DFP_MULTIPLY DPD_BID_NAME(__dpd_muldd3,__bid_muldd3) | |
332 #define DFP_DIVIDE DPD_BID_NAME(__dpd_divdd3,__bid_divdd3) | |
333 #define DFP_EQ DPD_BID_NAME(__dpd_eqdd2,__bid_eqdd2) | |
334 #define DFP_NE DPD_BID_NAME(__dpd_nedd2,__bid_nedd2) | |
335 #define DFP_LT DPD_BID_NAME(__dpd_ltdd2,__bid_ltdd2) | |
336 #define DFP_GT DPD_BID_NAME(__dpd_gtdd2,__bid_gtdd2) | |
337 #define DFP_LE DPD_BID_NAME(__dpd_ledd2,__bid_ledd2) | |
338 #define DFP_GE DPD_BID_NAME(__dpd_gedd2,__bid_gedd2) | |
339 #define DFP_UNORD DPD_BID_NAME(__dpd_unorddd2,__bid_unorddd2) | |
340 #elif WIDTH == 128 | |
341 #define DFP_ADD DPD_BID_NAME(__dpd_addtd3,__bid_addtd3) | |
342 #define DFP_SUB DPD_BID_NAME(__dpd_subtd3,__bid_subtd3) | |
343 #define DFP_MULTIPLY DPD_BID_NAME(__dpd_multd3,__bid_multd3) | |
344 #define DFP_DIVIDE DPD_BID_NAME(__dpd_divtd3,__bid_divtd3) | |
345 #define DFP_EQ DPD_BID_NAME(__dpd_eqtd2,__bid_eqtd2) | |
346 #define DFP_NE DPD_BID_NAME(__dpd_netd2,__bid_netd2) | |
347 #define DFP_LT DPD_BID_NAME(__dpd_lttd2,__bid_lttd2) | |
348 #define DFP_GT DPD_BID_NAME(__dpd_gttd2,__bid_gttd2) | |
349 #define DFP_LE DPD_BID_NAME(__dpd_letd2,__bid_letd2) | |
350 #define DFP_GE DPD_BID_NAME(__dpd_getd2,__bid_getd2) | |
351 #define DFP_UNORD DPD_BID_NAME(__dpd_unordtd2,__bid_unordtd2) | |
352 #endif | |
353 | |
354 /* Names of decNumber functions for DPD arithmetic. */ | |
355 | |
356 #if WIDTH == 32 | |
357 #define decFloat decDouble | |
358 #define DFP_BINARY_OP d32_binary_op | |
359 #define DFP_COMPARE_OP d32_compare_op | |
360 #define DEC_FLOAT_ADD decDoubleAdd | |
361 #define DEC_FLOAT_SUBTRACT decDoubleSubtract | |
362 #define DEC_FLOAT_MULTIPLY decDoubleMultiply | |
363 #define DEC_FLOAT_DIVIDE decDoubleDivide | |
364 #define DEC_FLOAT_COMPARE decDoubleCompare | |
365 #define DEC_FLOAT_IS_ZERO decDoubleIsZero | |
366 #define DEC_FLOAT_IS_NAN decDoubleIsNaN | |
367 #define DEC_FLOAT_IS_SIGNED decDoubleIsSigned | |
368 #elif WIDTH == 64 | |
369 #define DFP_BINARY_OP dnn_binary_op | |
370 #define DFP_COMPARE_OP dnn_compare_op | |
371 #define decFloat decDouble | |
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 == 128 | |
381 #define DFP_BINARY_OP dnn_binary_op | |
382 #define DFP_COMPARE_OP dnn_compare_op | |
383 #define decFloat decQuad | |
384 #define DEC_FLOAT_ADD decQuadAdd | |
385 #define DEC_FLOAT_SUBTRACT decQuadSubtract | |
386 #define DEC_FLOAT_MULTIPLY decQuadMultiply | |
387 #define DEC_FLOAT_DIVIDE decQuadDivide | |
388 #define DEC_FLOAT_COMPARE decQuadCompare | |
389 #define DEC_FLOAT_IS_ZERO decQuadIsZero | |
390 #define DEC_FLOAT_IS_NAN decQuadIsNaN | |
391 #define DEC_FLOAT_IS_SIGNED decQuadIsSigned | |
392 #endif | |
393 | |
394 /* Names of functions to convert between different decimal float types. */ | |
395 | |
396 #if WIDTH == 32 | |
397 #if WIDTH_TO == 64 | |
398 #define DFP_TO_DFP DPD_BID_NAME(__dpd_extendsddd2,__bid_extendsddd2) | |
399 #elif WIDTH_TO == 128 | |
400 #define DFP_TO_DFP DPD_BID_NAME(__dpd_extendsdtd2,__bid_extendsdtd2) | |
401 #endif | |
402 #elif WIDTH == 64 | |
403 #if WIDTH_TO == 32 | |
404 #define DFP_TO_DFP DPD_BID_NAME(__dpd_truncddsd2,__bid_truncddsd2) | |
405 #elif WIDTH_TO == 128 | |
406 #define DFP_TO_DFP DPD_BID_NAME(__dpd_extendddtd2,__bid_extendddtd2) | |
407 #endif | |
408 #elif WIDTH == 128 | |
409 #if WIDTH_TO == 32 | |
410 #define DFP_TO_DFP DPD_BID_NAME(__dpd_trunctdsd2,__bid_trunctdsd2) | |
411 #elif WIDTH_TO == 64 | |
412 #define DFP_TO_DFP DPD_BID_NAME(__dpd_trunctddd2,__bid_trunctddd2) | |
413 #endif | |
414 #endif | |
415 | |
416 /* Names of functions to convert between decimal float and integers. */ | |
417 | |
418 #if WIDTH == 32 | |
419 #if INT_KIND == 1 | |
420 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatsisd,__bid_floatsisd) | |
421 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixsdsi,__bid_fixsdsi) | |
422 #define DEC_FLOAT_FROM_INT decDoubleFromInt32 | |
423 #define DEC_FLOAT_TO_INT decDoubleToInt32 | |
424 #elif INT_KIND == 2 | |
425 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatdisd,__bid_floatdisd) | |
426 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixsddi,__bid_fixsddi) | |
427 #elif INT_KIND == 3 | |
428 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssisd,__bid_floatunssisd) | |
429 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunssdsi,__bid_fixunssdsi) | |
430 #define DEC_FLOAT_FROM_INT decDoubleFromUInt32 | |
431 #define DEC_FLOAT_TO_INT decDoubleToUInt32 | |
432 #elif INT_KIND == 4 | |
433 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsdisd,__bid_floatunsdisd) | |
434 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunssddi,__bid_fixunssddi) | |
435 #endif | |
436 #elif WIDTH == 64 | |
437 #define decFloat decDouble | |
438 #if INT_KIND == 1 | |
439 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatsidd,__bid_floatsidd) | |
440 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixddsi,__bid_fixddsi) | |
441 #define DEC_FLOAT_FROM_INT decDoubleFromInt32 | |
442 #define DEC_FLOAT_TO_INT decDoubleToInt32 | |
443 #elif INT_KIND == 2 | |
444 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatdidd,__bid_floatdidd) | |
445 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixdddi,__bid_fixdddi) | |
446 #elif INT_KIND == 3 | |
447 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssidd,__bid_floatunssidd) | |
448 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunsddsi,__bid_fixunsddsi) | |
449 #define DEC_FLOAT_FROM_INT decDoubleFromUInt32 | |
450 #define DEC_FLOAT_TO_INT decDoubleToUInt32 | |
451 #elif INT_KIND == 4 | |
452 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsdidd,__bid_floatunsdidd) | |
453 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunsdddi,__bid_fixunsdddi) | |
454 #endif | |
455 #elif WIDTH == 128 | |
456 #define decFloat decQuad | |
457 #if INT_KIND == 1 | |
458 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatsitd,__bid_floatsitd) | |
459 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixtdsi,__bid_fixtdsi) | |
460 #define DEC_FLOAT_FROM_INT decQuadFromInt32 | |
461 #define DEC_FLOAT_TO_INT decQuadToInt32 | |
462 #elif INT_KIND == 2 | |
463 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatditd,__bid_floatditd) | |
464 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixtddi,__bid_fixtddi) | |
465 #elif INT_KIND == 3 | |
466 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunssitd,__bid_floatunssitd) | |
467 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunstdsi,__bid_fixunstdsi) | |
468 #define DEC_FLOAT_FROM_INT decQuadFromUInt32 | |
469 #define DEC_FLOAT_TO_INT decQuadToUInt32 | |
470 #elif INT_KIND == 4 | |
471 #define INT_TO_DFP DPD_BID_NAME(__dpd_floatunsditd,__bid_floatunsditd) | |
472 #define DFP_TO_INT DPD_BID_NAME(__dpd_fixunstddi,__bid_fixunstddi) | |
473 #endif | |
474 #endif | |
475 | |
476 /* Names of functions to convert between decimal float and binary float. */ | |
477 | |
478 #if WIDTH == 32 | |
479 #if BFP_KIND == 1 | |
480 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsfsd,__bid_extendsfsd) | |
481 #define DFP_TO_BFP DPD_BID_NAME(__dpd_truncsdsf,__bid_truncsdsf) | |
482 #elif BFP_KIND == 2 | |
483 #define BFP_TO_DFP DPD_BID_NAME(__dpd_truncdfsd,__bid_truncdfsd) | |
484 #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsddf,__bid_extendsddf) | |
485 #elif BFP_KIND == 3 | |
486 #define BFP_TO_DFP DPD_BID_NAME(__dpd_truncxfsd,__bid_truncxfsd) | |
487 #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdxf,__bid_extendsdxf) | |
488 #elif BFP_KIND == 4 | |
489 #define BFP_TO_DFP DPD_BID_NAME(__dpd_trunctfsd,__bid_trunctfsd) | |
490 #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendsdtf,__bid_extendsdtf) | |
491 #endif /* BFP_KIND */ | |
492 | |
493 #elif WIDTH == 64 | |
494 #if BFP_KIND == 1 | |
495 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsfdd,__bid_extendsfdd) | |
496 #define DFP_TO_BFP DPD_BID_NAME(__dpd_truncddsf,__bid_truncddsf) | |
497 #elif BFP_KIND == 2 | |
498 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extenddfdd,__bid_extenddfdd) | |
499 #define DFP_TO_BFP DPD_BID_NAME(__dpd_truncdddf,__bid_truncdddf) | |
500 #elif BFP_KIND == 3 | |
501 #define BFP_TO_DFP DPD_BID_NAME(__dpd_truncxfdd,__bid_truncxfdd) | |
502 #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddxf,__bid_extendddxf) | |
503 #elif BFP_KIND == 4 | |
504 #define BFP_TO_DFP DPD_BID_NAME(__dpd_trunctfdd,__bid_trunctfdd) | |
505 #define DFP_TO_BFP DPD_BID_NAME(__dpd_extendddtf,__bid_extendddtf) | |
506 #endif /* BFP_KIND */ | |
507 | |
508 #elif WIDTH == 128 | |
509 #if BFP_KIND == 1 | |
510 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendsftd,__bid_extendsftd) | |
511 #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdsf,__bid_trunctdsf) | |
512 #elif BFP_KIND == 2 | |
513 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extenddftd,__bid_extenddftd) | |
514 #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctddf,__bid_trunctddf) | |
515 #elif BFP_KIND == 3 | |
516 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendxftd,__bid_extendxftd) | |
517 #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdxf,__bid_trunctdxf) | |
518 #elif BFP_KIND == 4 | |
519 #define BFP_TO_DFP DPD_BID_NAME(__dpd_extendtftd,__bid_extendtftd) | |
520 #define DFP_TO_BFP DPD_BID_NAME(__dpd_trunctdtf,__bid_trunctdtf) | |
521 #endif /* BFP_KIND */ | |
522 | |
523 #endif /* WIDTH */ | |
524 | |
525 /* Some handy typedefs. */ | |
526 | |
527 typedef float SFtype __attribute__ ((mode (SF))); | |
528 typedef float DFtype __attribute__ ((mode (DF))); | |
529 #if LONG_DOUBLE_HAS_XF_MODE | |
530 typedef float XFtype __attribute__ ((mode (XF))); | |
531 #endif /* LONG_DOUBLE_HAS_XF_MODE */ | |
532 #if LONG_DOUBLE_HAS_TF_MODE | |
533 typedef float TFtype __attribute__ ((mode (TF))); | |
534 #endif /* LONG_DOUBLE_HAS_TF_MODE */ | |
535 | |
536 typedef int SItype __attribute__ ((mode (SI))); | |
537 typedef int DItype __attribute__ ((mode (DI))); | |
538 typedef unsigned int USItype __attribute__ ((mode (SI))); | |
539 typedef unsigned int UDItype __attribute__ ((mode (DI))); | |
540 | |
541 /* The type of the result of a decimal float comparison. This must | |
542 match `__libgcc_cmp_return__' in GCC for the target. */ | |
543 | |
544 typedef int CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); | |
545 | |
546 /* Prototypes. */ | |
547 | |
548 #if defined (L_mul_sd) || defined (L_mul_dd) || defined (L_mul_td) | |
549 extern DFP_C_TYPE DFP_MULTIPLY (DFP_C_TYPE, DFP_C_TYPE); | |
550 #endif | |
551 | |
552 #if defined (L_div_sd) || defined (L_div_dd) || defined (L_div_td) | |
553 extern DFP_C_TYPE DFP_DIVIDE (DFP_C_TYPE, DFP_C_TYPE); | |
554 #endif | |
555 | |
556 #if defined (L_addsub_sd) || defined (L_addsub_dd) || defined (L_addsub_td) | |
557 extern DFP_C_TYPE DFP_ADD (DFP_C_TYPE, DFP_C_TYPE); | |
558 extern DFP_C_TYPE DFP_SUB (DFP_C_TYPE, DFP_C_TYPE); | |
559 #endif | |
560 | |
561 #if defined (L_eq_sd) || defined (L_eq_dd) || defined (L_eq_td) | |
562 extern CMPtype DFP_EQ (DFP_C_TYPE, DFP_C_TYPE); | |
563 #endif | |
564 | |
565 #if defined (L_ne_sd) || defined (L_ne_dd) || defined (L_ne_td) | |
566 extern CMPtype DFP_NE (DFP_C_TYPE, DFP_C_TYPE); | |
567 #endif | |
568 | |
569 #if defined (L_lt_sd) || defined (L_lt_dd) || defined (L_lt_td) | |
570 extern CMPtype DFP_LT (DFP_C_TYPE, DFP_C_TYPE); | |
571 #endif | |
572 | |
573 #if defined (L_gt_sd) || defined (L_gt_dd) || defined (L_gt_td) | |
574 extern CMPtype DFP_GT (DFP_C_TYPE, DFP_C_TYPE); | |
575 #endif | |
576 | |
577 #if defined (L_le_sd) || defined (L_le_dd) || defined (L_le_td) | |
578 extern CMPtype DFP_LE (DFP_C_TYPE, DFP_C_TYPE); | |
579 #endif | |
580 | |
581 #if defined (L_ge_sd) || defined (L_ge_dd) || defined (L_ge_td) | |
582 extern CMPtype DFP_GE (DFP_C_TYPE, DFP_C_TYPE); | |
583 #endif | |
584 | |
585 #if defined (L_unord_sd) || defined (L_unord_dd) || defined (L_unord_td) | |
586 extern CMPtype DFP_UNORD (DFP_C_TYPE, DFP_C_TYPE); | |
587 #endif | |
588 | |
589 #if defined (L_sd_to_dd) || defined (L_sd_to_td) || defined (L_dd_to_sd) \ | |
590 || defined (L_dd_to_td) || defined (L_td_to_sd) || defined (L_td_to_dd) | |
591 extern DFP_C_TYPE_TO DFP_TO_DFP (DFP_C_TYPE); | |
592 #endif | |
593 | |
594 #if defined (L_sd_to_si) || defined (L_dd_to_si) || defined (L_td_to_si) \ | |
595 || defined (L_sd_to_di) || defined (L_dd_to_di) || defined (L_td_to_di) \ | |
596 || defined (L_sd_to_usi) || defined (L_dd_to_usi) || defined (L_td_to_usi) \ | |
597 || defined (L_sd_to_udi) || defined (L_dd_to_udi) || defined (L_td_to_udi) | |
598 extern INT_TYPE DFP_TO_INT (DFP_C_TYPE); | |
599 #endif | |
600 | |
601 #if defined (L_si_to_sd) || defined (L_si_to_dd) || defined (L_si_to_td) \ | |
602 || defined (L_di_to_sd) || defined (L_di_to_dd) || defined (L_di_to_td) \ | |
603 || defined (L_usi_to_sd) || defined (L_usi_to_dd) || defined (L_usi_to_td) \ | |
604 || defined (L_udi_to_sd) || defined (L_udi_to_dd) || defined (L_udi_to_td) | |
605 extern DFP_C_TYPE INT_TO_DFP (INT_TYPE); | |
606 #endif | |
607 | |
608 #if defined (L_sd_to_sf) || defined (L_dd_to_sf) || defined (L_td_to_sf) \ | |
609 || defined (L_sd_to_df) || defined (L_dd_to_df) || defined (L_td_to_df) \ | |
610 || ((defined (L_sd_to_xf) || defined (L_dd_to_xf) || defined (L_td_to_xf)) \ | |
611 && LONG_DOUBLE_HAS_XF_MODE) \ | |
612 || ((defined (L_sd_to_tf) || defined (L_dd_to_tf) || defined (L_td_to_tf)) \ | |
613 && LONG_DOUBLE_HAS_TF_MODE) | |
614 extern BFP_TYPE DFP_TO_BFP (DFP_C_TYPE); | |
615 #endif | |
616 | |
617 #if defined (L_sf_to_sd) || defined (L_sf_to_dd) || defined (L_sf_to_td) \ | |
618 || defined (L_df_to_sd) || defined (L_df_to_dd) || defined (L_df_to_td) \ | |
619 || ((defined (L_xf_to_sd) || defined (L_xf_to_dd) || defined (L_xf_to_td)) \ | |
620 && LONG_DOUBLE_HAS_XF_MODE) \ | |
621 || ((defined (L_tf_to_sd) || defined (L_tf_to_dd) || defined (L_tf_to_td)) \ | |
622 && LONG_DOUBLE_HAS_TF_MODE) | |
623 extern DFP_C_TYPE BFP_TO_DFP (BFP_TYPE); | |
624 #endif | |
625 | |
626 #endif /* _DFPBIT_H */ |