include/cgen/basic-ops.h

   1 /* Basic semantics ops support for CGEN.
   2    Copyright (C) 2005-2017 Free Software Foundation, Inc.
   3    Contributed by Red Hat.
   4
   5    This file is part of the GNU opcodes library.
   6
   7    This library 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 3, or (at your option)
  10    any later version.
  11
  12    It 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
  18    along with this library; see the file COPYING3.  If not, write to the
  19    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 #ifndef CGEN_BASIC_OPS_H
  23 #define CGEN_BASIC_OPS_H
  24
  25 #include <assert.h>
  26
  27 #if defined (__GNUC__) && ! defined (SEMOPS_DEFINE_INLINE)
  28 #define SEMOPS_DEFINE_INLINE
  29 #define SEMOPS_INLINE extern inline
  30 #else
  31 #define SEMOPS_INLINE
  32 #endif
  33
  34 /* These don't really have a mode.  */
  35 #define ANDIF(x, y) ((x) && (y))
  36 #define ORIF(x, y) ((x) || (y))
  37
  38 #define SUBBI(x, y) ((x) - (y))
  39 #define ANDBI(x, y) ((x) & (y))
  40 #define ORBI(x, y) ((x) | (y))
  41 #define XORBI(x, y) ((x) ^ (y))
  42 #define NEGBI(x) (- (x))
  43 #define NOTBI(x) (! (BI) (x))
  44 #define INVBI(x) (~ (x))
  45 #define EQBI(x, y) ((BI) (x) == (BI) (y))
  46 #define NEBI(x, y) ((BI) (x) != (BI) (y))
  47 #define LTBI(x, y) ((BI) (x) < (BI) (y))
  48 #define LEBI(x, y) ((BI) (x) <= (BI) (y))
  49 #define GTBI(x, y) ((BI) (x) > (BI) (y))
  50 #define GEBI(x, y) ((BI) (x) >= (BI) (y))
  51 #define LTUBI(x, y) ((BI) (x) < (BI) (y))
  52 #define LEUBI(x, y) ((BI) (x) <= (BI) (y))
  53 #define GTUBI(x, y) ((BI) (x) > (BI) (y))
  54 #define GEUBI(x, y) ((BI) (x) >= (BI) (y))
  55 \f
  56 #define ADDQI(x, y) ((x) + (y))
  57 #define SUBQI(x, y) ((x) - (y))
  58 #define MULQI(x, y) ((x) * (y))
  59 #define DIVQI(x, y) ((QI) (x) / (QI) (y))
  60 #define UDIVQI(x, y) ((UQI) (x) / (UQI) (y))
  61 #define MODQI(x, y) ((QI) (x) % (QI) (y))
  62 #define UMODQI(x, y) ((UQI) (x) % (UQI) (y))
  63 #define SRAQI(x, y) ((QI) (x) >> (y))
  64 #define SRLQI(x, y) ((UQI) (x) >> (y))
  65 #define SLLQI(x, y) ((UQI) (x) << (y))
  66 extern QI RORQI (QI, int);
  67 extern QI ROLQI (QI, int);
  68 #define ANDQI(x, y) ((x) & (y))
  69 #define ORQI(x, y) ((x) | (y))
  70 #define XORQI(x, y) ((x) ^ (y))
  71 #define NEGQI(x) (- (x))
  72 #define NOTQI(x) (! (QI) (x))
  73 #define INVQI(x) (~ (x))
  74 #define ABSQI(x) ((x) < 0 ? -(x) : (x))
  75 #define EQQI(x, y) ((QI) (x) == (QI) (y))
  76 #define NEQI(x, y) ((QI) (x) != (QI) (y))
  77 #define LTQI(x, y) ((QI) (x) < (QI) (y))
  78 #define LEQI(x, y) ((QI) (x) <= (QI) (y))
  79 #define GTQI(x, y) ((QI) (x) > (QI) (y))
  80 #define GEQI(x, y) ((QI) (x) >= (QI) (y))
  81 #define LTUQI(x, y) ((UQI) (x) < (UQI) (y))
  82 #define LEUQI(x, y) ((UQI) (x) <= (UQI) (y))
  83 #define GTUQI(x, y) ((UQI) (x) > (UQI) (y))
  84 #define GEUQI(x, y) ((UQI) (x) >= (UQI) (y))
  85 \f
  86 #define ADDHI(x, y) ((x) + (y))
  87 #define SUBHI(x, y) ((x) - (y))
  88 #define MULHI(x, y) ((x) * (y))
  89 #define DIVHI(x, y) ((HI) (x) / (HI) (y))
  90 #define UDIVHI(x, y) ((UHI) (x) / (UHI) (y))
  91 #define MODHI(x, y) ((HI) (x) % (HI) (y))
  92 #define UMODHI(x, y) ((UHI) (x) % (UHI) (y))
  93 #define SRAHI(x, y) ((HI) (x) >> (y))
  94 #define SRLHI(x, y) ((UHI) (x) >> (y))
  95 #define SLLHI(x, y) ((UHI) (x) << (y))
  96 extern HI RORHI (HI, int);
  97 extern HI ROLHI (HI, int);
  98 #define ANDHI(x, y) ((x) & (y))
  99 #define ORHI(x, y) ((x) | (y))
 100 #define XORHI(x, y) ((x) ^ (y))
 101 #define NEGHI(x) (- (x))
 102 #define NOTHI(x) (! (HI) (x))
 103 #define INVHI(x) (~ (x))
 104 #define ABSHI(x) ((x) < 0 ? -(x) : (x))
 105 #define EQHI(x, y) ((HI) (x) == (HI) (y))
 106 #define NEHI(x, y) ((HI) (x) != (HI) (y))
 107 #define LTHI(x, y) ((HI) (x) < (HI) (y))
 108 #define LEHI(x, y) ((HI) (x) <= (HI) (y))
 109 #define GTHI(x, y) ((HI) (x) > (HI) (y))
 110 #define GEHI(x, y) ((HI) (x) >= (HI) (y))
 111 #define LTUHI(x, y) ((UHI) (x) < (UHI) (y))
 112 #define LEUHI(x, y) ((UHI) (x) <= (UHI) (y))
 113 #define GTUHI(x, y) ((UHI) (x) > (UHI) (y))
 114 #define GEUHI(x, y) ((UHI) (x) >= (UHI) (y))
 115 \f
 116 #define ADDSI(x, y) ((x) + (y))
 117 #define SUBSI(x, y) ((x) - (y))
 118 #define MULSI(x, y) ((x) * (y))
 119 #define DIVSI(x, y) ((SI) (x) / (SI) (y))
 120 #define UDIVSI(x, y) ((USI) (x) / (USI) (y))
 121 #define MODSI(x, y) ((SI) (x) % (SI) (y))
 122 #define UMODSI(x, y) ((USI) (x) % (USI) (y))
 123 #define SRASI(x, y) ((SI) (x) >> (y))
 124 #define SRLSI(x, y) ((USI) (x) >> (y))
 125 #define SLLSI(x, y) ((USI) (x) << (y))
 126 extern SI RORSI (SI, int);
 127 extern SI ROLSI (SI, int);
 128 #define ANDSI(x, y) ((x) & (y))
 129 #define ORSI(x, y) ((x) | (y))
 130 #define XORSI(x, y) ((x) ^ (y))
 131 #define NEGSI(x) (- (x))
 132 #define NOTSI(x) (! (SI) (x))
 133 #define INVSI(x) (~ (x))
 134 #define ABSSI(x) ((x) < 0 ? -(x) : (x))
 135 #define EQSI(x, y) ((SI) (x) == (SI) (y))
 136 #define NESI(x, y) ((SI) (x) != (SI) (y))
 137 #define LTSI(x, y) ((SI) (x) < (SI) (y))
 138 #define LESI(x, y) ((SI) (x) <= (SI) (y))
 139 #define GTSI(x, y) ((SI) (x) > (SI) (y))
 140 #define GESI(x, y) ((SI) (x) >= (SI) (y))
 141 #define LTUSI(x, y) ((USI) (x) < (USI) (y))
 142 #define LEUSI(x, y) ((USI) (x) <= (USI) (y))
 143 #define GTUSI(x, y) ((USI) (x) > (USI) (y))
 144 #define GEUSI(x, y) ((USI) (x) >= (USI) (y))
 145 \f
 146 #ifdef DI_FN_SUPPORT
 147 extern DI ADDDI (DI, DI);
 148 extern DI SUBDI (DI, DI);
 149 extern DI MULDI (DI, DI);
 150 extern DI DIVDI (DI, DI);
 151 extern DI UDIVDI (DI, DI);
 152 extern DI MODDI (DI, DI);
 153 extern DI UMODDI (DI, DI);
 154 extern DI SRADI (DI, int);
 155 extern UDI SRLDI (UDI, int);
 156 extern UDI SLLDI (UDI, int);
 157 extern DI RORDI (DI, int);
 158 extern DI ROLDI (DI, int);
 159 extern DI ANDDI (DI, DI);
 160 extern DI ORDI (DI, DI);
 161 extern DI XORDI (DI, DI);
 162 extern DI NEGDI (DI);
 163 extern int NOTDI (DI);
 164 extern DI INVDI (DI);
 165 extern int EQDI (DI, DI);
 166 extern int NEDI (DI, DI);
 167 extern int LTDI (DI, DI);
 168 extern int LEDI (DI, DI);
 169 extern int GTDI (DI, DI);
 170 extern int GEDI (DI, DI);
 171 extern int LTUDI (UDI, UDI);
 172 extern int LEUDI (UDI, UDI);
 173 extern int GTUDI (UDI, UDI);
 174 extern int GEUDI (UDI, UDI);
 175 #else /* ! DI_FN_SUPPORT */
 176 #define ADDDI(x, y) ((x) + (y))
 177 #define SUBDI(x, y) ((x) - (y))
 178 #define MULDI(x, y) ((x) * (y))
 179 #define DIVDI(x, y) ((DI) (x) / (DI) (y))
 180 #define UDIVDI(x, y) ((UDI) (x) / (UDI) (y))
 181 #define MODDI(x, y) ((DI) (x) % (DI) (y))
 182 #define UMODDI(x, y) ((UDI) (x) % (UDI) (y))
 183 #define SRADI(x, y) ((DI) (x) >> (y))
 184 #define SRLDI(x, y) ((UDI) (x) >> (y))
 185 #define SLLDI(x, y) ((UDI) (x) << (y))
 186 extern DI RORDI (DI, int);
 187 extern DI ROLDI (DI, int);
 188 #define ANDDI(x, y) ((x) & (y))
 189 #define ORDI(x, y) ((x) | (y))
 190 #define XORDI(x, y) ((x) ^ (y))
 191 #define NEGDI(x) (- (x))
 192 #define NOTDI(x) (! (DI) (x))
 193 #define INVDI(x) (~ (x))
 194 #define ABSDI(x) ((x) < 0 ? -(x) : (x))
 195 #define EQDI(x, y) ((DI) (x) == (DI) (y))
 196 #define NEDI(x, y) ((DI) (x) != (DI) (y))
 197 #define LTDI(x, y) ((DI) (x) < (DI) (y))
 198 #define LEDI(x, y) ((DI) (x) <= (DI) (y))
 199 #define GTDI(x, y) ((DI) (x) > (DI) (y))
 200 #define GEDI(x, y) ((DI) (x) >= (DI) (y))
 201 #define LTUDI(x, y) ((UDI) (x) < (UDI) (y))
 202 #define LEUDI(x, y) ((UDI) (x) <= (UDI) (y))
 203 #define GTUDI(x, y) ((UDI) (x) > (UDI) (y))
 204 #define GEUDI(x, y) ((UDI) (x) >= (UDI) (y))
 205 #endif /* DI_FN_SUPPORT */
 206 \f
 207 #define EXTBIQI(x) ((QI) (BI) (x))
 208 #define EXTBIHI(x) ((HI) (BI) (x))
 209 #define EXTBISI(x) ((SI) (BI) (x))
 210 #if defined (DI_FN_SUPPORT)
 211 extern DI EXTBIDI (BI);
 212 #else
 213 #define EXTBIDI(x) ((DI) (BI) (x))
 214 #endif
 215 #define EXTQIHI(x) ((HI) (QI) (x))
 216 #define EXTQISI(x) ((SI) (QI) (x))
 217 #if defined (DI_FN_SUPPORT)
 218 extern DI EXTQIDI (QI);
 219 #else
 220 #define EXTQIDI(x) ((DI) (QI) (x))
 221 #endif
 222 #define EXTHIHI(x) ((HI) (HI) (x))
 223 #define EXTHISI(x) ((SI) (HI) (x))
 224 #define EXTSISI(x) ((SI) (SI) (x))
 225 #if defined (DI_FN_SUPPORT)
 226 extern DI EXTHIDI (HI);
 227 #else
 228 #define EXTHIDI(x) ((DI) (HI) (x))
 229 #endif
 230 #if defined (DI_FN_SUPPORT)
 231 extern DI EXTSIDI (SI);
 232 #else
 233 #define EXTSIDI(x) ((DI) (SI) (x))
 234 #endif
 235 \f
 236 #define ZEXTBIQI(x) ((QI) (BI) (x))
 237 #define ZEXTBIHI(x) ((HI) (BI) (x))
 238 #define ZEXTBISI(x) ((SI) (BI) (x))
 239 #if defined (DI_FN_SUPPORT)
 240 extern DI ZEXTBIDI (BI);
 241 #else
 242 #define ZEXTBIDI(x) ((DI) (BI) (x))
 243 #endif
 244 #define ZEXTQIHI(x) ((HI) (UQI) (x))
 245 #define ZEXTQISI(x) ((SI) (UQI) (x))
 246 #if defined (DI_FN_SUPPORT)
 247 extern DI ZEXTQIDI (QI);
 248 #else
 249 #define ZEXTQIDI(x) ((DI) (UQI) (x))
 250 #endif
 251 #define ZEXTHISI(x) ((SI) (UHI) (x))
 252 #define ZEXTHIHI(x) ((HI) (UHI) (x))
 253 #define ZEXTSISI(x) ((SI) (USI) (x))
 254 #if defined (DI_FN_SUPPORT)
 255 extern DI ZEXTHIDI (HI);
 256 #else
 257 #define ZEXTHIDI(x) ((DI) (UHI) (x))
 258 #endif
 259 #if defined (DI_FN_SUPPORT)
 260 extern DI ZEXTSIDI (SI);
 261 #else
 262 #define ZEXTSIDI(x) ((DI) (USI) (x))
 263 #endif
 264 \f
 265 #define TRUNCQIBI(x) ((BI) (QI) (x))
 266 #define TRUNCHIBI(x) ((BI) (HI) (x))
 267 #define TRUNCHIQI(x) ((QI) (HI) (x))
 268 #define TRUNCSIBI(x) ((BI) (SI) (x))
 269 #define TRUNCSIQI(x) ((QI) (SI) (x))
 270 #define TRUNCSIHI(x) ((HI) (SI) (x))
 271 #define TRUNCSISI(x) ((SI) (SI) (x))
 272 #if defined (DI_FN_SUPPORT)
 273 extern BI TRUNCDIBI (DI);
 274 #else
 275 #define TRUNCDIBI(x) ((BI) (DI) (x))
 276 #endif
 277 #if defined (DI_FN_SUPPORT)
 278 extern QI TRUNCDIQI (DI);
 279 #else
 280 #define TRUNCDIQI(x) ((QI) (DI) (x))
 281 #endif
 282 #if defined (DI_FN_SUPPORT)
 283 extern HI TRUNCDIHI (DI);
 284 #else
 285 #define TRUNCDIHI(x) ((HI) (DI) (x))
 286 #endif
 287 #if defined (DI_FN_SUPPORT)
 288 extern SI TRUNCDISI (DI);
 289 #else
 290 #define TRUNCDISI(x) ((SI) (DI) (x))
 291 #endif
 292 \f
 293 /* Composing/decomposing the various types.
 294    Word ordering is endian-independent.  Words are specified most to least
 295    significant and word number 0 is the most significant word.
 296    ??? May also wish an endian-dependent version.  Later.  */
 297
 298 static QI SUBWORDSIQI (SI, int);
 299 static HI SUBWORDSIHI (SI, int);
 300 static QI SUBWORDDIQI (DI, int);
 301 static HI SUBWORDDIHI (DI, int);
 302 static SI SUBWORDDISI (DI, int);
 303
 304 #ifdef SEMOPS_DEFINE_INLINE
 305
 306 SEMOPS_INLINE QI
 307 SUBWORDSIQI (SI in, int byte)
 308 {
 309   assert (byte >= 0 && byte <= 3);
 310   return (UQI) (in >> (8 * (3 - byte))) & 0xFF;
 311 }
 312
 313 SEMOPS_INLINE HI
 314 SUBWORDSIHI (SI in, int word)
 315 {
 316   if (word == 0)
 317     return (USI) in >> 16;
 318   else
 319     return in;
 320 }
 321
 322 SEMOPS_INLINE QI
 323 SUBWORDDIQI (DI in, int byte)
 324 {
 325   assert (byte >= 0 && byte <= 7);
 326   return (UQI) (in >> (8 * (7 - byte))) & 0xFF;
 327 }
 328
 329 SEMOPS_INLINE HI
 330 SUBWORDDIHI (DI in, int word)
 331 {
 332   assert (word >= 0 && word <= 3);
 333   return (UHI) (in >> (16 * (3 - word))) & 0xFFFF;
 334 }
 335
 336 SEMOPS_INLINE SI
 337 SUBWORDDISI (DI in, int word)
 338 {
 339   if (word == 0)
 340     return (UDI) in >> 32;
 341   else
 342     return in;
 343 }
 344
 345 #endif /* SUBWORD,JOIN */
 346
 347 #endif /* CGEN_BASIC_OPS_H */