| 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 */ |