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cgen-ops.h revision 1.3
      1 /* Semantics ops support for CGEN-based simulators.
      2    Copyright (C) 1996-2015 Free Software Foundation, Inc.
      3    Contributed by Cygnus Solutions.
      4 
      5 This file is part of the GNU Simulators.
      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 3 of the License, or
     10 (at your option) 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
     18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
     19 
     20 */
     21 
     22 #ifndef CGEN_SEM_OPS_H
     23 #define CGEN_SEM_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 /* Semantic operations.
     35    At one point this file was machine generated.  Maybe it will be again.  */
     36 
     37 /* TODO: Lazy encoding/decoding of fp values.  */
     38 
     39 /* These don't really have a mode.  */
     40 #define ANDIF(x, y) ((x) && (y))
     41 #define ORIF(x, y) ((x) || (y))
     42 
     43 #define SUBBI(x, y) ((x) - (y))
     44 #define ANDBI(x, y) ((x) & (y))
     45 #define ORBI(x, y) ((x) | (y))
     46 #define XORBI(x, y) ((x) ^ (y))
     47 #define NEGBI(x) (- (x))
     48 #define NOTBI(x) (! (BI) (x))
     49 #define INVBI(x) (~ (x))
     50 #define EQBI(x, y) ((BI) (x) == (BI) (y))
     51 #define NEBI(x, y) ((BI) (x) != (BI) (y))
     52 #define LTBI(x, y) ((BI) (x) < (BI) (y))
     53 #define LEBI(x, y) ((BI) (x) <= (BI) (y))
     54 #define GTBI(x, y) ((BI) (x) > (BI) (y))
     55 #define GEBI(x, y) ((BI) (x) >= (BI) (y))
     56 #define LTUBI(x, y) ((BI) (x) < (BI) (y))
     57 #define LEUBI(x, y) ((BI) (x) <= (BI) (y))
     58 #define GTUBI(x, y) ((BI) (x) > (BI) (y))
     59 #define GEUBI(x, y) ((BI) (x) >= (BI) (y))
     60 
     61 #define ADDQI(x, y) ((QI) ((UQI) (x) + (UQI) (y)))
     63 #define SUBQI(x, y) ((QI) ((UQI) (x) - (UQI) (y)))
     64 #define MULQI(x, y) ((QI) ((UQI) (x) * (UQI) (y)))
     65 #define DIVQI(x, y) ((QI) (x) / (QI) (y))
     66 #define UDIVQI(x, y) ((UQI) (x) / (UQI) (y))
     67 #define MODQI(x, y) ((QI) (x) % (QI) (y))
     68 #define UMODQI(x, y) ((UQI) (x) % (UQI) (y))
     69 #define SRAQI(x, y) ((QI) (x) >> (y))
     70 #define SRLQI(x, y) ((UQI) (x) >> (y))
     71 #define SLLQI(x, y) ((UQI) (x) << (y))
     72 extern QI RORQI (QI, int);
     73 extern QI ROLQI (QI, int);
     74 #define ANDQI(x, y) ((x) & (y))
     75 #define ORQI(x, y) ((x) | (y))
     76 #define XORQI(x, y) ((x) ^ (y))
     77 #define NEGQI(x) ((QI) (- (UQI) (x)))
     78 #define NOTQI(x) (! (QI) (x))
     79 #define INVQI(x) (~ (x))
     80 #define ABSQI(x) ((QI) ((QI) (x) < 0 ? -(UQI) (x) : (UQI) (x)))
     81 #define EQQI(x, y) ((QI) (x) == (QI) (y))
     82 #define NEQI(x, y) ((QI) (x) != (QI) (y))
     83 #define LTQI(x, y) ((QI) (x) < (QI) (y))
     84 #define LEQI(x, y) ((QI) (x) <= (QI) (y))
     85 #define GTQI(x, y) ((QI) (x) > (QI) (y))
     86 #define GEQI(x, y) ((QI) (x) >= (QI) (y))
     87 #define LTUQI(x, y) ((UQI) (x) < (UQI) (y))
     88 #define LEUQI(x, y) ((UQI) (x) <= (UQI) (y))
     89 #define GTUQI(x, y) ((UQI) (x) > (UQI) (y))
     90 #define GEUQI(x, y) ((UQI) (x) >= (UQI) (y))
     91 
     92 #define ADDHI(x, y) ((HI) ((UHI) (x) + (UHI) (y)))
     94 #define SUBHI(x, y) ((HI) ((UHI) (x) - (UHI) (y)))
     95 #define MULHI(x, y) ((HI) ((UHI) (x) * (UHI) (y)))
     96 #define DIVHI(x, y) ((HI) (x) / (HI) (y))
     97 #define UDIVHI(x, y) ((UHI) (x) / (UHI) (y))
     98 #define MODHI(x, y) ((HI) (x) % (HI) (y))
     99 #define UMODHI(x, y) ((UHI) (x) % (UHI) (y))
    100 #define SRAHI(x, y) ((HI) (x) >> (y))
    101 #define SRLHI(x, y) ((UHI) (x) >> (y))
    102 #define SLLHI(x, y) ((UHI) (x) << (y))
    103 extern HI RORHI (HI, int);
    104 extern HI ROLHI (HI, int);
    105 #define ANDHI(x, y) ((x) & (y))
    106 #define ORHI(x, y) ((x) | (y))
    107 #define XORHI(x, y) ((x) ^ (y))
    108 #define NEGHI(x) ((HI) (- (UHI) (x)))
    109 #define NOTHI(x) (! (HI) (x))
    110 #define INVHI(x) (~ (x))
    111 #define ABSHI(x) ((HI) ((HI) (x) < 0 ? -(UHI) (x) : (UHI) (x)))
    112 #define EQHI(x, y) ((HI) (x) == (HI) (y))
    113 #define NEHI(x, y) ((HI) (x) != (HI) (y))
    114 #define LTHI(x, y) ((HI) (x) < (HI) (y))
    115 #define LEHI(x, y) ((HI) (x) <= (HI) (y))
    116 #define GTHI(x, y) ((HI) (x) > (HI) (y))
    117 #define GEHI(x, y) ((HI) (x) >= (HI) (y))
    118 #define LTUHI(x, y) ((UHI) (x) < (UHI) (y))
    119 #define LEUHI(x, y) ((UHI) (x) <= (UHI) (y))
    120 #define GTUHI(x, y) ((UHI) (x) > (UHI) (y))
    121 #define GEUHI(x, y) ((UHI) (x) >= (UHI) (y))
    122 
    123 #define ADDSI(x, y) ((SI) ((USI) (x) + (USI) (y)))
    125 #define SUBSI(x, y) ((SI) ((USI) (x) - (USI) (y)))
    126 #define MULSI(x, y) ((SI) ((USI) (x) * (USI) (y)))
    127 #define DIVSI(x, y) ((SI) (x) / (SI) (y))
    128 #define UDIVSI(x, y) ((USI) (x) / (USI) (y))
    129 #define MODSI(x, y) ((SI) (x) % (SI) (y))
    130 #define UMODSI(x, y) ((USI) (x) % (USI) (y))
    131 #define SRASI(x, y) ((SI) (x) >> (y))
    132 #define SRLSI(x, y) ((USI) (x) >> (y))
    133 #define SLLSI(x, y) ((USI) (x) << (y))
    134 extern SI RORSI (SI, int);
    135 extern SI ROLSI (SI, int);
    136 #define ANDSI(x, y) ((x) & (y))
    137 #define ORSI(x, y) ((x) | (y))
    138 #define XORSI(x, y) ((x) ^ (y))
    139 #define NEGSI(x) ((SI) (- (USI) (x)))
    140 #define NOTSI(x) (! (SI) (x))
    141 #define INVSI(x) (~ (x))
    142 #define ABSSI(x) ((SI) ((SI) (x) < 0 ? -(USI) (x) : (USI) (x)))
    143 #define EQSI(x, y) ((SI) (x) == (SI) (y))
    144 #define NESI(x, y) ((SI) (x) != (SI) (y))
    145 #define LTSI(x, y) ((SI) (x) < (SI) (y))
    146 #define LESI(x, y) ((SI) (x) <= (SI) (y))
    147 #define GTSI(x, y) ((SI) (x) > (SI) (y))
    148 #define GESI(x, y) ((SI) (x) >= (SI) (y))
    149 #define LTUSI(x, y) ((USI) (x) < (USI) (y))
    150 #define LEUSI(x, y) ((USI) (x) <= (USI) (y))
    151 #define GTUSI(x, y) ((USI) (x) > (USI) (y))
    152 #define GEUSI(x, y) ((USI) (x) >= (USI) (y))
    153 
    154 #ifdef DI_FN_SUPPORT
    156 extern DI ADDDI (DI, DI);
    157 extern DI SUBDI (DI, DI);
    158 extern DI MULDI (DI, DI);
    159 extern DI DIVDI (DI, DI);
    160 extern DI UDIVDI (DI, DI);
    161 extern DI MODDI (DI, DI);
    162 extern DI UMODDI (DI, DI);
    163 extern DI SRADI (DI, int);
    164 extern UDI SRLDI (UDI, int);
    165 extern UDI SLLDI (UDI, int);
    166 extern DI RORDI (DI, int);
    167 extern DI ROLDI (DI, int);
    168 extern DI ANDDI (DI, DI);
    169 extern DI ORDI (DI, DI);
    170 extern DI XORDI (DI, DI);
    171 extern DI NEGDI (DI);
    172 extern int NOTDI (DI);
    173 extern DI INVDI (DI);
    174 extern int EQDI (DI, DI);
    175 extern int NEDI (DI, DI);
    176 extern int LTDI (DI, DI);
    177 extern int LEDI (DI, DI);
    178 extern int GTDI (DI, DI);
    179 extern int GEDI (DI, DI);
    180 extern int LTUDI (UDI, UDI);
    181 extern int LEUDI (UDI, UDI);
    182 extern int GTUDI (UDI, UDI);
    183 extern int GEUDI (UDI, UDI);
    184 #else /* ! DI_FN_SUPPORT */
    185 #define ADDDI(x, y) ((DI) ((UDI) (x) + (UDI) (y)))
    186 #define SUBDI(x, y) ((DI) ((UDI) (x) - (UDI) (y)))
    187 #define MULDI(x, y) ((DI) ((UDI) (x) * (UDI) (y)))
    188 #define DIVDI(x, y) ((DI) (x) / (DI) (y))
    189 #define UDIVDI(x, y) ((UDI) (x) / (UDI) (y))
    190 #define MODDI(x, y) ((DI) (x) % (DI) (y))
    191 #define UMODDI(x, y) ((UDI) (x) % (UDI) (y))
    192 #define SRADI(x, y) ((DI) (x) >> (y))
    193 #define SRLDI(x, y) ((UDI) (x) >> (y))
    194 #define SLLDI(x, y) ((UDI) (x) << (y))
    195 extern DI RORDI (DI, int);
    196 extern DI ROLDI (DI, int);
    197 #define ANDDI(x, y) ((x) & (y))
    198 #define ORDI(x, y) ((x) | (y))
    199 #define XORDI(x, y) ((x) ^ (y))
    200 #define NEGDI(x) ((DI) (- (UDI) (x)))
    201 #define NOTDI(x) (! (DI) (x))
    202 #define INVDI(x) (~ (x))
    203 #define ABSDI(x) ((DI) ((DI) (x) < 0 ? -(UDI) (x) : (UDI) (x)))
    204 #define EQDI(x, y) ((DI) (x) == (DI) (y))
    205 #define NEDI(x, y) ((DI) (x) != (DI) (y))
    206 #define LTDI(x, y) ((DI) (x) < (DI) (y))
    207 #define LEDI(x, y) ((DI) (x) <= (DI) (y))
    208 #define GTDI(x, y) ((DI) (x) > (DI) (y))
    209 #define GEDI(x, y) ((DI) (x) >= (DI) (y))
    210 #define LTUDI(x, y) ((UDI) (x) < (UDI) (y))
    211 #define LEUDI(x, y) ((UDI) (x) <= (UDI) (y))
    212 #define GTUDI(x, y) ((UDI) (x) > (UDI) (y))
    213 #define GEUDI(x, y) ((UDI) (x) >= (UDI) (y))
    214 #endif /* DI_FN_SUPPORT */
    215 
    216 #define EXTBIQI(x) ((QI) (BI) (x))
    218 #define EXTBIHI(x) ((HI) (BI) (x))
    219 #define EXTBISI(x) ((SI) (BI) (x))
    220 #if defined (DI_FN_SUPPORT)
    221 extern DI EXTBIDI (BI);
    222 #else
    223 #define EXTBIDI(x) ((DI) (BI) (x))
    224 #endif
    225 #define EXTQIHI(x) ((HI) (QI) (x))
    226 #define EXTQISI(x) ((SI) (QI) (x))
    227 #if defined (DI_FN_SUPPORT)
    228 extern DI EXTQIDI (QI);
    229 #else
    230 #define EXTQIDI(x) ((DI) (QI) (x))
    231 #endif
    232 #define EXTHIHI(x) ((HI) (HI) (x))
    233 #define EXTHISI(x) ((SI) (HI) (x))
    234 #define EXTSISI(x) ((SI) (SI) (x))
    235 #if defined (DI_FN_SUPPORT)
    236 extern DI EXTHIDI (HI);
    237 #else
    238 #define EXTHIDI(x) ((DI) (HI) (x))
    239 #endif
    240 #if defined (DI_FN_SUPPORT)
    241 extern DI EXTSIDI (SI);
    242 #else
    243 #define EXTSIDI(x) ((DI) (SI) (x))
    244 #endif
    245 
    246 #define ZEXTBIQI(x) ((QI) (BI) (x))
    248 #define ZEXTBIHI(x) ((HI) (BI) (x))
    249 #define ZEXTBISI(x) ((SI) (BI) (x))
    250 #if defined (DI_FN_SUPPORT)
    251 extern DI ZEXTBIDI (BI);
    252 #else
    253 #define ZEXTBIDI(x) ((DI) (BI) (x))
    254 #endif
    255 #define ZEXTQIHI(x) ((HI) (UQI) (x))
    256 #define ZEXTQISI(x) ((SI) (UQI) (x))
    257 #if defined (DI_FN_SUPPORT)
    258 extern DI ZEXTQIDI (QI);
    259 #else
    260 #define ZEXTQIDI(x) ((DI) (UQI) (x))
    261 #endif
    262 #define ZEXTHISI(x) ((SI) (UHI) (x))
    263 #define ZEXTHIHI(x) ((HI) (UHI) (x))
    264 #define ZEXTSISI(x) ((SI) (USI) (x))
    265 #if defined (DI_FN_SUPPORT)
    266 extern DI ZEXTHIDI (HI);
    267 #else
    268 #define ZEXTHIDI(x) ((DI) (UHI) (x))
    269 #endif
    270 #if defined (DI_FN_SUPPORT)
    271 extern DI ZEXTSIDI (SI);
    272 #else
    273 #define ZEXTSIDI(x) ((DI) (USI) (x))
    274 #endif
    275 
    276 #define TRUNCQIBI(x) ((BI) (QI) (x))
    278 #define TRUNCHIBI(x) ((BI) (HI) (x))
    279 #define TRUNCHIQI(x) ((QI) (HI) (x))
    280 #define TRUNCSIBI(x) ((BI) (SI) (x))
    281 #define TRUNCSIQI(x) ((QI) (SI) (x))
    282 #define TRUNCSIHI(x) ((HI) (SI) (x))
    283 #define TRUNCSISI(x) ((SI) (SI) (x))
    284 #if defined (DI_FN_SUPPORT)
    285 extern BI TRUNCDIBI (DI);
    286 #else
    287 #define TRUNCDIBI(x) ((BI) (DI) (x))
    288 #endif
    289 #if defined (DI_FN_SUPPORT)
    290 extern QI TRUNCDIQI (DI);
    291 #else
    292 #define TRUNCDIQI(x) ((QI) (DI) (x))
    293 #endif
    294 #if defined (DI_FN_SUPPORT)
    295 extern HI TRUNCDIHI (DI);
    296 #else
    297 #define TRUNCDIHI(x) ((HI) (DI) (x))
    298 #endif
    299 #if defined (DI_FN_SUPPORT)
    300 extern SI TRUNCDISI (DI);
    301 #else
    302 #define TRUNCDISI(x) ((SI) (DI) (x))
    303 #endif
    304 
    305 /* Composing/decomposing the various types.
    307    Word ordering is endian-independent.  Words are specified most to least
    308    significant and word number 0 is the most significant word.
    309    ??? May also wish an endian-dependent version.  Later.  */
    310 
    311 #ifdef SEMOPS_DEFINE_INLINE
    312 
    313 SEMOPS_INLINE SF
    314 SUBWORDSISF (SI in)
    315 {
    316   union { SI in; SF out; } x;
    317   x.in = in;
    318   return x.out;
    319 }
    320 
    321 SEMOPS_INLINE DF
    322 SUBWORDDIDF (DI in)
    323 {
    324   union { DI in; DF out; } x;
    325   x.in = in;
    326   return x.out;
    327 }
    328 
    329 SEMOPS_INLINE QI
    330 SUBWORDSIQI (SI in, int byte)
    331 {
    332   assert (byte >= 0 && byte <= 3);
    333   return (UQI) (in >> (8 * (3 - byte))) & 0xFF;
    334 }
    335 
    336 SEMOPS_INLINE UQI
    337 SUBWORDSIUQI (SI in, int byte)
    338 {
    339   assert (byte >= 0 && byte <= 3);
    340   return (UQI) (in >> (8 * (3 - byte))) & 0xFF;
    341 }
    342 
    343 SEMOPS_INLINE QI
    344 SUBWORDDIQI (DI in, int byte)
    345 {
    346   assert (byte >= 0 && byte <= 7);
    347   return (UQI) (in >> (8 * (7 - byte))) & 0xFF;
    348 }
    349 
    350 SEMOPS_INLINE HI
    351 SUBWORDDIHI (DI in, int word)
    352 {
    353   assert (word >= 0 && word <= 3);
    354   return (UHI) (in >> (16 * (3 - word))) & 0xFFFF;
    355 }
    356 
    357 SEMOPS_INLINE HI
    358 SUBWORDSIHI (SI in, int word)
    359 {
    360   if (word == 0)
    361     return (USI) in >> 16;
    362   else
    363     return in;
    364 }
    365 
    366 SEMOPS_INLINE SI
    367 SUBWORDSFSI (SF in)
    368 {
    369   union { SF in; SI out; } x;
    370   x.in = in;
    371   return x.out;
    372 }
    373 
    374 SEMOPS_INLINE DI
    375 SUBWORDDFDI (DF in)
    376 {
    377   union { DF in; DI out; } x;
    378   x.in = in;
    379   return x.out;
    380 }
    381 
    382 SEMOPS_INLINE UQI
    383 SUBWORDDIUQI (DI in, int byte)
    384 {
    385   assert (byte >= 0 && byte <= 7);
    386   return (UQI) (in >> (8 * (7 - byte)));
    387 }
    388 
    389 SEMOPS_INLINE SI
    390 SUBWORDDISI (DI in, int word)
    391 {
    392   if (word == 0)
    393     return (UDI) in >> 32;
    394   else
    395     return in;
    396 }
    397 
    398 SEMOPS_INLINE SI
    399 SUBWORDDFSI (DF in, int word)
    400 {
    401   /* Note: typedef UDI DF; */
    402   if (word == 0)
    403     return (UDI) in >> 32;
    404   else
    405     return in;
    406 }
    407 
    408 SEMOPS_INLINE SI
    409 SUBWORDXFSI (XF in, int word)
    410 {
    411   /* Note: typedef struct { SI parts[3]; } XF; */
    412   union { XF in; SI out[3]; } x;
    413   x.in = in;
    414   if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
    415     return x.out[word];
    416   else
    417     return x.out[2 - word];
    418 }
    419 
    420 SEMOPS_INLINE SI
    421 SUBWORDTFSI (TF in, int word)
    422 {
    423   /* Note: typedef struct { SI parts[4]; } TF; */
    424   union { TF in; SI out[4]; } x;
    425   x.in = in;
    426   if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
    427     return x.out[word];
    428   else
    429     return x.out[3 - word];
    430 }
    431 
    432 SEMOPS_INLINE DI
    433 JOINSIDI (SI x0, SI x1)
    434 {
    435   return MAKEDI (x0, x1);
    436 }
    437 
    438 SEMOPS_INLINE DF
    439 JOINSIDF (SI x0, SI x1)
    440 {
    441   union { SI in[2]; DF out; } x;
    442   if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
    443     x.in[0] = x0, x.in[1] = x1;
    444   else
    445     x.in[1] = x0, x.in[0] = x1;
    446   return x.out;
    447 }
    448 
    449 SEMOPS_INLINE XF
    450 JOINSIXF (SI x0, SI x1, SI x2)
    451 {
    452   union { SI in[3]; XF out; } x;
    453   if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
    454     x.in[0] = x0, x.in[1] = x1, x.in[2] = x2;
    455   else
    456     x.in[2] = x0, x.in[1] = x1, x.in[0] = x2;
    457   return x.out;
    458 }
    459 
    460 SEMOPS_INLINE TF
    461 JOINSITF (SI x0, SI x1, SI x2, SI x3)
    462 {
    463   union { SI in[4]; TF out; } x;
    464   if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
    465     x.in[0] = x0, x.in[1] = x1, x.in[2] = x2, x.in[3] = x3;
    466   else
    467     x.in[3] = x0, x.in[2] = x1, x.in[1] = x2, x.in[0] = x3;
    468   return x.out;
    469 }
    470 
    471 #else
    472 
    473 QI SUBWORDSIQI (SI);
    474 HI SUBWORDSIHI (HI);
    475 SI SUBWORDSFSI (SF);
    476 SF SUBWORDSISF (SI);
    477 DI SUBWORDDFDI (DF);
    478 DF SUBWORDDIDF (DI);
    479 QI SUBWORDDIQI (DI, int);
    480 HI SUBWORDDIHI (DI, int);
    481 SI SUBWORDDISI (DI, int);
    482 SI SUBWORDDFSI (DF, int);
    483 SI SUBWORDXFSI (XF, int);
    484 SI SUBWORDTFSI (TF, int);
    485 
    486 UQI SUBWORDSIUQI (SI);
    487 UQI SUBWORDDIUQI (DI);
    488 
    489 DI JOINSIDI (SI, SI);
    490 DF JOINSIDF (SI, SI);
    491 XF JOINSIXF (SI, SI, SI);
    492 TF JOINSITF (SI, SI, SI, SI);
    493 
    494 #endif /* SUBWORD,JOIN */
    495 
    496 /* Semantic support utilities.  */
    498 
    499 #ifdef SEMOPS_DEFINE_INLINE
    500 
    501 SEMOPS_INLINE SI
    502 ADDCSI (SI a, SI b, BI c)
    503 {
    504   SI res = ADDSI (a, ADDSI (b, c));
    505   return res;
    506 }
    507 
    508 SEMOPS_INLINE BI
    509 ADDCFSI (SI a, SI b, BI c)
    510 {
    511   SI tmp = ADDSI (a, ADDSI (b, c));
    512   BI res = ((USI) tmp < (USI) a) || (c && tmp == a);
    513   return res;
    514 }
    515 
    516 SEMOPS_INLINE BI
    517 ADDOFSI (SI a, SI b, BI c)
    518 {
    519   SI tmp = ADDSI (a, ADDSI (b, c));
    520   BI res = (((a < 0) == (b < 0))
    521 	    && ((a < 0) != (tmp < 0)));
    522   return res;
    523 }
    524 
    525 SEMOPS_INLINE SI
    526 SUBCSI (SI a, SI b, BI c)
    527 {
    528   SI res = SUBSI (a, ADDSI (b, c));
    529   return res;
    530 }
    531 
    532 SEMOPS_INLINE BI
    533 SUBCFSI (SI a, SI b, BI c)
    534 {
    535   BI res = ((USI) a < (USI) b) || (c && a == b);
    536   return res;
    537 }
    538 
    539 SEMOPS_INLINE BI
    540 SUBOFSI (SI a, SI b, BI c)
    541 {
    542   SI tmp = SUBSI (a, ADDSI (b, c));
    543   BI res = (((a < 0) != (b < 0))
    544 	    && ((a < 0) != (tmp < 0)));
    545   return res;
    546 }
    547 
    548 SEMOPS_INLINE HI
    549 ADDCHI (HI a, HI b, BI c)
    550 {
    551   HI res = ADDHI (a, ADDHI (b, c));
    552   return res;
    553 }
    554 
    555 SEMOPS_INLINE BI
    556 ADDCFHI (HI a, HI b, BI c)
    557 {
    558   HI tmp = ADDHI (a, ADDHI (b, c));
    559   BI res = ((UHI) tmp < (UHI) a) || (c && tmp == a);
    560   return res;
    561 }
    562 
    563 SEMOPS_INLINE BI
    564 ADDOFHI (HI a, HI b, BI c)
    565 {
    566   HI tmp = ADDHI (a, ADDHI (b, c));
    567   BI res = (((a < 0) == (b < 0))
    568 	    && ((a < 0) != (tmp < 0)));
    569   return res;
    570 }
    571 
    572 SEMOPS_INLINE HI
    573 SUBCHI (HI a, HI b, BI c)
    574 {
    575   HI res = SUBHI (a, ADDHI (b, c));
    576   return res;
    577 }
    578 
    579 SEMOPS_INLINE BI
    580 SUBCFHI (HI a, HI b, BI c)
    581 {
    582   BI res = ((UHI) a < (UHI) b) || (c && a == b);
    583   return res;
    584 }
    585 
    586 SEMOPS_INLINE BI
    587 SUBOFHI (HI a, HI b, BI c)
    588 {
    589   HI tmp = SUBHI (a, ADDHI (b, c));
    590   BI res = (((a < 0) != (b < 0))
    591 	    && ((a < 0) != (tmp < 0)));
    592   return res;
    593 }
    594 
    595 SEMOPS_INLINE QI
    596 ADDCQI (QI a, QI b, BI c)
    597 {
    598   QI res = ADDQI (a, ADDQI (b, c));
    599   return res;
    600 }
    601 
    602 SEMOPS_INLINE BI
    603 ADDCFQI (QI a, QI b, BI c)
    604 {
    605   QI tmp = ADDQI (a, ADDQI (b, c));
    606   BI res = ((UQI) tmp < (UQI) a) || (c && tmp == a);
    607   return res;
    608 }
    609 
    610 SEMOPS_INLINE BI
    611 ADDOFQI (QI a, QI b, BI c)
    612 {
    613   QI tmp = ADDQI (a, ADDQI (b, c));
    614   BI res = (((a < 0) == (b < 0))
    615 	    && ((a < 0) != (tmp < 0)));
    616   return res;
    617 }
    618 
    619 SEMOPS_INLINE QI
    620 SUBCQI (QI a, QI b, BI c)
    621 {
    622   QI res = SUBQI (a, ADDQI (b, c));
    623   return res;
    624 }
    625 
    626 SEMOPS_INLINE BI
    627 SUBCFQI (QI a, QI b, BI c)
    628 {
    629   BI res = ((UQI) a < (UQI) b) || (c && a == b);
    630   return res;
    631 }
    632 
    633 SEMOPS_INLINE BI
    634 SUBOFQI (QI a, QI b, BI c)
    635 {
    636   QI tmp = SUBQI (a, ADDQI (b, c));
    637   BI res = (((a < 0) != (b < 0))
    638 	    && ((a < 0) != (tmp < 0)));
    639   return res;
    640 }
    641 
    642 #else
    643 
    644 SI ADDCSI (SI, SI, BI);
    645 UBI ADDCFSI (SI, SI, BI);
    646 UBI ADDOFSI (SI, SI, BI);
    647 SI SUBCSI (SI, SI, BI);
    648 UBI SUBCFSI (SI, SI, BI);
    649 UBI SUBOFSI (SI, SI, BI);
    650 HI ADDCHI (HI, HI, BI);
    651 UBI ADDCFHI (HI, HI, BI);
    652 UBI ADDOFHI (HI, HI, BI);
    653 HI SUBCHI (HI, HI, BI);
    654 UBI SUBCFHI (HI, HI, BI);
    655 UBI SUBOFHI (HI, HI, BI);
    656 QI ADDCQI (QI, QI, BI);
    657 UBI ADDCFQI (QI, QI, BI);
    658 UBI ADDOFQI (QI, QI, BI);
    659 QI SUBCQI (QI, QI, BI);
    660 UBI SUBCFQI (QI, QI, BI);
    661 UBI SUBOFQI (QI, QI, BI);
    662 
    663 #endif
    664 
    665 #endif /* CGEN_SEM_OPS_H */
    666