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1 | /* Semantics ops support for CGEN-based opcode libraries. |
2 | Copyright (C) 2005 Free Software Foundation, Inc. | |
3 | Contributed by Red Hat. | |
4 | ||
5 | This file is part of the GNU opcodes library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License along | |
18 | with this program; if not, write to the Free Software Foundation, Inc., | |
19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | ||
21 | */ | |
22 | ||
23 | #ifndef CGEN_SEM_OPS_H | |
24 | #define CGEN_SEM_OPS_H | |
25 | ||
26 | #include <assert.h> | |
27 | ||
28 | #if defined (__GNUC__) && ! defined (SEMOPS_DEFINE_INLINE) | |
29 | #define SEMOPS_DEFINE_INLINE | |
30 | #define SEMOPS_INLINE extern inline | |
31 | #else | |
32 | #define SEMOPS_INLINE | |
33 | #endif | |
34 | ||
35 | /* TODO: Lazy encoding/decoding of fp values. */ | |
36 | ||
37 | /* These don't really have a mode. */ | |
38 | #define ANDIF(x, y) ((x) && (y)) | |
39 | #define ORIF(x, y) ((x) || (y)) | |
40 | ||
41 | #define SUBBI(x, y) ((x) - (y)) | |
42 | #define ANDBI(x, y) ((x) & (y)) | |
43 | #define ORBI(x, y) ((x) | (y)) | |
44 | #define XORBI(x, y) ((x) ^ (y)) | |
45 | #define NEGBI(x) (- (x)) | |
46 | #define NOTBI(x) (! (BI) (x)) | |
47 | #define INVBI(x) (~ (x)) | |
48 | #define EQBI(x, y) ((BI) (x) == (BI) (y)) | |
49 | #define NEBI(x, y) ((BI) (x) != (BI) (y)) | |
50 | #define LTBI(x, y) ((BI) (x) < (BI) (y)) | |
51 | #define LEBI(x, y) ((BI) (x) <= (BI) (y)) | |
52 | #define GTBI(x, y) ((BI) (x) > (BI) (y)) | |
53 | #define GEBI(x, y) ((BI) (x) >= (BI) (y)) | |
54 | #define LTUBI(x, y) ((BI) (x) < (BI) (y)) | |
55 | #define LEUBI(x, y) ((BI) (x) <= (BI) (y)) | |
56 | #define GTUBI(x, y) ((BI) (x) > (BI) (y)) | |
57 | #define GEUBI(x, y) ((BI) (x) >= (BI) (y)) | |
58 | \f | |
59 | #define ADDQI(x, y) ((x) + (y)) | |
60 | #define SUBQI(x, y) ((x) - (y)) | |
61 | #define MULQI(x, y) ((x) * (y)) | |
62 | #define DIVQI(x, y) ((QI) (x) / (QI) (y)) | |
63 | #define UDIVQI(x, y) ((UQI) (x) / (UQI) (y)) | |
64 | #define MODQI(x, y) ((QI) (x) % (QI) (y)) | |
65 | #define UMODQI(x, y) ((UQI) (x) % (UQI) (y)) | |
66 | #define SRAQI(x, y) ((QI) (x) >> (y)) | |
67 | #define SRLQI(x, y) ((UQI) (x) >> (y)) | |
68 | #define SLLQI(x, y) ((UQI) (x) << (y)) | |
69 | extern QI RORQI (QI, int); | |
70 | extern QI ROLQI (QI, int); | |
71 | #define ANDQI(x, y) ((x) & (y)) | |
72 | #define ORQI(x, y) ((x) | (y)) | |
73 | #define XORQI(x, y) ((x) ^ (y)) | |
74 | #define NEGQI(x) (- (x)) | |
75 | #define NOTQI(x) (! (QI) (x)) | |
76 | #define INVQI(x) (~ (x)) | |
77 | #define ABSQI(x) ((x) < 0 ? -(x) : (x)) | |
78 | #define EQQI(x, y) ((QI) (x) == (QI) (y)) | |
79 | #define NEQI(x, y) ((QI) (x) != (QI) (y)) | |
80 | #define LTQI(x, y) ((QI) (x) < (QI) (y)) | |
81 | #define LEQI(x, y) ((QI) (x) <= (QI) (y)) | |
82 | #define GTQI(x, y) ((QI) (x) > (QI) (y)) | |
83 | #define GEQI(x, y) ((QI) (x) >= (QI) (y)) | |
84 | #define LTUQI(x, y) ((UQI) (x) < (UQI) (y)) | |
85 | #define LEUQI(x, y) ((UQI) (x) <= (UQI) (y)) | |
86 | #define GTUQI(x, y) ((UQI) (x) > (UQI) (y)) | |
87 | #define GEUQI(x, y) ((UQI) (x) >= (UQI) (y)) | |
88 | \f | |
89 | #define ADDHI(x, y) ((x) + (y)) | |
90 | #define SUBHI(x, y) ((x) - (y)) | |
91 | #define MULHI(x, y) ((x) * (y)) | |
92 | #define DIVHI(x, y) ((HI) (x) / (HI) (y)) | |
93 | #define UDIVHI(x, y) ((UHI) (x) / (UHI) (y)) | |
94 | #define MODHI(x, y) ((HI) (x) % (HI) (y)) | |
95 | #define UMODHI(x, y) ((UHI) (x) % (UHI) (y)) | |
96 | #define SRAHI(x, y) ((HI) (x) >> (y)) | |
97 | #define SRLHI(x, y) ((UHI) (x) >> (y)) | |
98 | #define SLLHI(x, y) ((UHI) (x) << (y)) | |
99 | extern HI RORHI (HI, int); | |
100 | extern HI ROLHI (HI, int); | |
101 | #define ANDHI(x, y) ((x) & (y)) | |
102 | #define ORHI(x, y) ((x) | (y)) | |
103 | #define XORHI(x, y) ((x) ^ (y)) | |
104 | #define NEGHI(x) (- (x)) | |
105 | #define NOTHI(x) (! (HI) (x)) | |
106 | #define INVHI(x) (~ (x)) | |
107 | #define ABSHI(x) ((x) < 0 ? -(x) : (x)) | |
108 | #define EQHI(x, y) ((HI) (x) == (HI) (y)) | |
109 | #define NEHI(x, y) ((HI) (x) != (HI) (y)) | |
110 | #define LTHI(x, y) ((HI) (x) < (HI) (y)) | |
111 | #define LEHI(x, y) ((HI) (x) <= (HI) (y)) | |
112 | #define GTHI(x, y) ((HI) (x) > (HI) (y)) | |
113 | #define GEHI(x, y) ((HI) (x) >= (HI) (y)) | |
114 | #define LTUHI(x, y) ((UHI) (x) < (UHI) (y)) | |
115 | #define LEUHI(x, y) ((UHI) (x) <= (UHI) (y)) | |
116 | #define GTUHI(x, y) ((UHI) (x) > (UHI) (y)) | |
117 | #define GEUHI(x, y) ((UHI) (x) >= (UHI) (y)) | |
118 | \f | |
119 | #define ADDSI(x, y) ((x) + (y)) | |
120 | #define SUBSI(x, y) ((x) - (y)) | |
121 | #define MULSI(x, y) ((x) * (y)) | |
122 | #define DIVSI(x, y) ((SI) (x) / (SI) (y)) | |
123 | #define UDIVSI(x, y) ((USI) (x) / (USI) (y)) | |
124 | #define MODSI(x, y) ((SI) (x) % (SI) (y)) | |
125 | #define UMODSI(x, y) ((USI) (x) % (USI) (y)) | |
126 | #define SRASI(x, y) ((SI) (x) >> (y)) | |
127 | #define SRLSI(x, y) ((USI) (x) >> (y)) | |
128 | #define SLLSI(x, y) ((USI) (x) << (y)) | |
129 | extern SI RORSI (SI, int); | |
130 | extern SI ROLSI (SI, int); | |
131 | #define ANDSI(x, y) ((x) & (y)) | |
132 | #define ORSI(x, y) ((x) | (y)) | |
133 | #define XORSI(x, y) ((x) ^ (y)) | |
134 | #define NEGSI(x) (- (x)) | |
135 | #define NOTSI(x) (! (SI) (x)) | |
136 | #define INVSI(x) (~ (x)) | |
137 | #define ABSSI(x) ((x) < 0 ? -(x) : (x)) | |
138 | #define EQSI(x, y) ((SI) (x) == (SI) (y)) | |
139 | #define NESI(x, y) ((SI) (x) != (SI) (y)) | |
140 | #define LTSI(x, y) ((SI) (x) < (SI) (y)) | |
141 | #define LESI(x, y) ((SI) (x) <= (SI) (y)) | |
142 | #define GTSI(x, y) ((SI) (x) > (SI) (y)) | |
143 | #define GESI(x, y) ((SI) (x) >= (SI) (y)) | |
144 | #define LTUSI(x, y) ((USI) (x) < (USI) (y)) | |
145 | #define LEUSI(x, y) ((USI) (x) <= (USI) (y)) | |
146 | #define GTUSI(x, y) ((USI) (x) > (USI) (y)) | |
147 | #define GEUSI(x, y) ((USI) (x) >= (USI) (y)) | |
148 | \f | |
149 | #ifdef DI_FN_SUPPORT | |
150 | extern DI ADDDI (DI, DI); | |
151 | extern DI SUBDI (DI, DI); | |
152 | extern DI MULDI (DI, DI); | |
153 | extern DI DIVDI (DI, DI); | |
154 | extern DI UDIVDI (DI, DI); | |
155 | extern DI MODDI (DI, DI); | |
156 | extern DI UMODDI (DI, DI); | |
157 | extern DI SRADI (DI, int); | |
158 | extern UDI SRLDI (UDI, int); | |
159 | extern UDI SLLDI (UDI, int); | |
160 | extern DI RORDI (DI, int); | |
161 | extern DI ROLDI (DI, int); | |
162 | extern DI ANDDI (DI, DI); | |
163 | extern DI ORDI (DI, DI); | |
164 | extern DI XORDI (DI, DI); | |
165 | extern DI NEGDI (DI); | |
166 | extern int NOTDI (DI); | |
167 | extern DI INVDI (DI); | |
168 | extern int EQDI (DI, DI); | |
169 | extern int NEDI (DI, DI); | |
170 | extern int LTDI (DI, DI); | |
171 | extern int LEDI (DI, DI); | |
172 | extern int GTDI (DI, DI); | |
173 | extern int GEDI (DI, DI); | |
174 | extern int LTUDI (UDI, UDI); | |
175 | extern int LEUDI (UDI, UDI); | |
176 | extern int GTUDI (UDI, UDI); | |
177 | extern int GEUDI (UDI, UDI); | |
178 | #else /* ! DI_FN_SUPPORT */ | |
179 | #define ADDDI(x, y) ((x) + (y)) | |
180 | #define SUBDI(x, y) ((x) - (y)) | |
181 | #define MULDI(x, y) ((x) * (y)) | |
182 | #define DIVDI(x, y) ((DI) (x) / (DI) (y)) | |
183 | #define UDIVDI(x, y) ((UDI) (x) / (UDI) (y)) | |
184 | #define MODDI(x, y) ((DI) (x) % (DI) (y)) | |
185 | #define UMODDI(x, y) ((UDI) (x) % (UDI) (y)) | |
186 | #define SRADI(x, y) ((DI) (x) >> (y)) | |
187 | #define SRLDI(x, y) ((UDI) (x) >> (y)) | |
188 | #define SLLDI(x, y) ((UDI) (x) << (y)) | |
189 | extern DI RORDI (DI, int); | |
190 | extern DI ROLDI (DI, int); | |
191 | #define ANDDI(x, y) ((x) & (y)) | |
192 | #define ORDI(x, y) ((x) | (y)) | |
193 | #define XORDI(x, y) ((x) ^ (y)) | |
194 | #define NEGDI(x) (- (x)) | |
195 | #define NOTDI(x) (! (DI) (x)) | |
196 | #define INVDI(x) (~ (x)) | |
197 | #define ABSDI(x) ((x) < 0 ? -(x) : (x)) | |
198 | #define EQDI(x, y) ((DI) (x) == (DI) (y)) | |
199 | #define NEDI(x, y) ((DI) (x) != (DI) (y)) | |
200 | #define LTDI(x, y) ((DI) (x) < (DI) (y)) | |
201 | #define LEDI(x, y) ((DI) (x) <= (DI) (y)) | |
202 | #define GTDI(x, y) ((DI) (x) > (DI) (y)) | |
203 | #define GEDI(x, y) ((DI) (x) >= (DI) (y)) | |
204 | #define LTUDI(x, y) ((UDI) (x) < (UDI) (y)) | |
205 | #define LEUDI(x, y) ((UDI) (x) <= (UDI) (y)) | |
206 | #define GTUDI(x, y) ((UDI) (x) > (UDI) (y)) | |
207 | #define GEUDI(x, y) ((UDI) (x) >= (UDI) (y)) | |
208 | #endif /* DI_FN_SUPPORT */ | |
209 | \f | |
210 | #define EXTBIQI(x) ((QI) (BI) (x)) | |
211 | #define EXTBIHI(x) ((HI) (BI) (x)) | |
212 | #define EXTBISI(x) ((SI) (BI) (x)) | |
213 | #if defined (DI_FN_SUPPORT) | |
214 | extern DI EXTBIDI (BI); | |
215 | #else | |
216 | #define EXTBIDI(x) ((DI) (BI) (x)) | |
217 | #endif | |
218 | #define EXTQIHI(x) ((HI) (QI) (x)) | |
219 | #define EXTQISI(x) ((SI) (QI) (x)) | |
220 | #if defined (DI_FN_SUPPORT) | |
221 | extern DI EXTQIDI (QI); | |
222 | #else | |
223 | #define EXTQIDI(x) ((DI) (QI) (x)) | |
224 | #endif | |
225 | #define EXTHIHI(x) ((HI) (HI) (x)) | |
226 | #define EXTHISI(x) ((SI) (HI) (x)) | |
227 | #define EXTSISI(x) ((SI) (SI) (x)) | |
228 | #if defined (DI_FN_SUPPORT) | |
229 | extern DI EXTHIDI (HI); | |
230 | #else | |
231 | #define EXTHIDI(x) ((DI) (HI) (x)) | |
232 | #endif | |
233 | #if defined (DI_FN_SUPPORT) | |
234 | extern DI EXTSIDI (SI); | |
235 | #else | |
236 | #define EXTSIDI(x) ((DI) (SI) (x)) | |
237 | #endif | |
238 | \f | |
239 | #define ZEXTBIQI(x) ((QI) (BI) (x)) | |
240 | #define ZEXTBIHI(x) ((HI) (BI) (x)) | |
241 | #define ZEXTBISI(x) ((SI) (BI) (x)) | |
242 | #if defined (DI_FN_SUPPORT) | |
243 | extern DI ZEXTBIDI (BI); | |
244 | #else | |
245 | #define ZEXTBIDI(x) ((DI) (BI) (x)) | |
246 | #endif | |
247 | #define ZEXTQIHI(x) ((HI) (UQI) (x)) | |
248 | #define ZEXTQISI(x) ((SI) (UQI) (x)) | |
249 | #if defined (DI_FN_SUPPORT) | |
250 | extern DI ZEXTQIDI (QI); | |
251 | #else | |
252 | #define ZEXTQIDI(x) ((DI) (UQI) (x)) | |
253 | #endif | |
254 | #define ZEXTHISI(x) ((SI) (UHI) (x)) | |
255 | #define ZEXTHIHI(x) ((HI) (UHI) (x)) | |
256 | #define ZEXTSISI(x) ((SI) (USI) (x)) | |
257 | #if defined (DI_FN_SUPPORT) | |
258 | extern DI ZEXTHIDI (HI); | |
259 | #else | |
260 | #define ZEXTHIDI(x) ((DI) (UHI) (x)) | |
261 | #endif | |
262 | #if defined (DI_FN_SUPPORT) | |
263 | extern DI ZEXTSIDI (SI); | |
264 | #else | |
265 | #define ZEXTSIDI(x) ((DI) (USI) (x)) | |
266 | #endif | |
267 | \f | |
268 | #define TRUNCQIBI(x) ((BI) (QI) (x)) | |
269 | #define TRUNCHIBI(x) ((BI) (HI) (x)) | |
270 | #define TRUNCHIQI(x) ((QI) (HI) (x)) | |
271 | #define TRUNCSIBI(x) ((BI) (SI) (x)) | |
272 | #define TRUNCSIQI(x) ((QI) (SI) (x)) | |
273 | #define TRUNCSIHI(x) ((HI) (SI) (x)) | |
274 | #define TRUNCSISI(x) ((SI) (SI) (x)) | |
275 | #if defined (DI_FN_SUPPORT) | |
276 | extern BI TRUNCDIBI (DI); | |
277 | #else | |
278 | #define TRUNCDIBI(x) ((BI) (DI) (x)) | |
279 | #endif | |
280 | #if defined (DI_FN_SUPPORT) | |
281 | extern QI TRUNCDIQI (DI); | |
282 | #else | |
283 | #define TRUNCDIQI(x) ((QI) (DI) (x)) | |
284 | #endif | |
285 | #if defined (DI_FN_SUPPORT) | |
286 | extern HI TRUNCDIHI (DI); | |
287 | #else | |
288 | #define TRUNCDIHI(x) ((HI) (DI) (x)) | |
289 | #endif | |
290 | #if defined (DI_FN_SUPPORT) | |
291 | extern SI TRUNCDISI (DI); | |
292 | #else | |
293 | #define TRUNCDISI(x) ((SI) (DI) (x)) | |
294 | #endif | |
295 | \f | |
296 | /* Composing/decomposing the various types. | |
297 | Word ordering is endian-independent. Words are specified most to least | |
298 | significant and word number 0 is the most significant word. | |
299 | ??? May also wish an endian-dependent version. Later. */ | |
300 | ||
301 | QI SUBWORDSIQI (SI, int); | |
302 | HI SUBWORDSIHI (SI, int); | |
303 | SI SUBWORDSFSI (SF); | |
304 | SF SUBWORDSISF (SI); | |
305 | DI SUBWORDDFDI (DF); | |
306 | DF SUBWORDDIDF (DI); | |
307 | QI SUBWORDDIQI (DI, int); | |
308 | HI SUBWORDDIHI (DI, int); | |
309 | SI SUBWORDDISI (DI, int); | |
310 | SI SUBWORDDFSI (DF, int); | |
311 | SI SUBWORDXFSI (XF, int); | |
312 | SI SUBWORDTFSI (TF, int); | |
313 | ||
314 | UQI SUBWORDSIUQI (SI, int); | |
315 | UQI SUBWORDDIUQI (DI, int); | |
316 | ||
317 | #ifdef SEMOPS_DEFINE_INLINE | |
318 | ||
319 | SEMOPS_INLINE SF | |
320 | SUBWORDSISF (SI in) | |
321 | { | |
322 | union { SI in; SF out; } x; | |
323 | x.in = in; | |
324 | return x.out; | |
325 | } | |
326 | ||
327 | SEMOPS_INLINE DF | |
328 | SUBWORDDIDF (DI in) | |
329 | { | |
330 | union { DI in; DF out; } x; | |
331 | x.in = in; | |
332 | return x.out; | |
333 | } | |
334 | ||
335 | SEMOPS_INLINE QI | |
336 | SUBWORDSIQI (SI in, int byte) | |
337 | { | |
338 | assert (byte >= 0 && byte <= 3); | |
339 | return (UQI) (in >> (8 * (3 - byte))) & 0xFF; | |
340 | } | |
341 | ||
342 | SEMOPS_INLINE UQI | |
343 | SUBWORDSIUQI (SI in, int byte) | |
344 | { | |
345 | assert (byte >= 0 && byte <= 3); | |
346 | return (UQI) (in >> (8 * (3 - byte))) & 0xFF; | |
347 | } | |
348 | ||
349 | SEMOPS_INLINE QI | |
350 | SUBWORDDIQI (DI in, int byte) | |
351 | { | |
352 | assert (byte >= 0 && byte <= 7); | |
353 | return (UQI) (in >> (8 * (7 - byte))) & 0xFF; | |
354 | } | |
355 | ||
356 | SEMOPS_INLINE HI | |
357 | SUBWORDDIHI (DI in, int word) | |
358 | { | |
359 | assert (word >= 0 && word <= 3); | |
360 | return (UHI) (in >> (16 * (3 - word))) & 0xFFFF; | |
361 | } | |
362 | ||
363 | SEMOPS_INLINE HI | |
364 | SUBWORDSIHI (SI in, int word) | |
365 | { | |
366 | if (word == 0) | |
367 | return (USI) in >> 16; | |
368 | else | |
369 | return in; | |
370 | } | |
371 | ||
372 | SEMOPS_INLINE SI | |
373 | SUBWORDSFSI (SF in) | |
374 | { | |
375 | union { SF in; SI out; } x; | |
376 | x.in = in; | |
377 | return x.out; | |
378 | } | |
379 | ||
380 | SEMOPS_INLINE DI | |
381 | SUBWORDDFDI (DF in) | |
382 | { | |
383 | union { DF in; DI out; } x; | |
384 | x.in = in; | |
385 | return x.out; | |
386 | } | |
387 | ||
388 | SEMOPS_INLINE UQI | |
389 | SUBWORDDIUQI (DI in, int byte) | |
390 | { | |
391 | assert (byte >= 0 && byte <= 7); | |
392 | return (UQI) (in >> (8 * (7 - byte))); | |
393 | } | |
394 | ||
395 | SEMOPS_INLINE SI | |
396 | SUBWORDDISI (DI in, int word) | |
397 | { | |
398 | if (word == 0) | |
399 | return (UDI) in >> 32; | |
400 | else | |
401 | return in; | |
402 | } | |
403 | ||
404 | SEMOPS_INLINE SI | |
405 | SUBWORDDFSI (DF in, int word) | |
406 | { | |
407 | /* Note: typedef UDI DF; */ | |
408 | if (word == 0) | |
409 | return (UDI) in >> 32; | |
410 | else | |
411 | return in; | |
412 | } | |
413 | ||
414 | SEMOPS_INLINE SI | |
415 | SUBWORDXFSI (XF in, int word) | |
416 | { | |
417 | /* Note: typedef struct { SI parts[3]; } XF; */ | |
418 | union { XF in; SI out[3]; } x; | |
419 | x.in = in; | |
420 | return x.out[word]; | |
421 | } | |
422 | ||
423 | SEMOPS_INLINE SI | |
424 | SUBWORDTFSI (TF in, int word) | |
425 | { | |
426 | /* Note: typedef struct { SI parts[4]; } TF; */ | |
427 | union { TF in; SI out[4]; } x; | |
428 | x.in = in; | |
429 | return x.out[word]; | |
430 | } | |
431 | ||
432 | #endif /* SUBWORD,JOIN */ | |
433 | ||
434 | #endif /* CGEN_SEM_OPS_H */ |