target-sparc/op.c

   1 /*
   2    SPARC micro operations
   3
   4    Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
   5
   6    This library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2 of the License, or (at your option) any later version.
  10
  11    This library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with this library; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 #include "exec.h"
  22
  23  /*XXX*/
  24 #define REGNAME g0
  25 #define REG (env->gregs[0])
  26 #include "op_template.h"
  27 #define REGNAME g1
  28 #define REG (env->gregs[1])
  29 #include "op_template.h"
  30 #define REGNAME g2
  31 #define REG (env->gregs[2])
  32 #include "op_template.h"
  33 #define REGNAME g3
  34 #define REG (env->gregs[3])
  35 #include "op_template.h"
  36 #define REGNAME g4
  37 #define REG (env->gregs[4])
  38 #include "op_template.h"
  39 #define REGNAME g5
  40 #define REG (env->gregs[5])
  41 #include "op_template.h"
  42 #define REGNAME g6
  43 #define REG (env->gregs[6])
  44 #include "op_template.h"
  45 #define REGNAME g7
  46 #define REG (env->gregs[7])
  47 #include "op_template.h"
  48 #define REGNAME i0
  49 #define REG (env->regwptr[16])
  50 #include "op_template.h"
  51 #define REGNAME i1
  52 #define REG (env->regwptr[17])
  53 #include "op_template.h"
  54 #define REGNAME i2
  55 #define REG (env->regwptr[18])
  56 #include "op_template.h"
  57 #define REGNAME i3
  58 #define REG (env->regwptr[19])
  59 #include "op_template.h"
  60 #define REGNAME i4
  61 #define REG (env->regwptr[20])
  62 #include "op_template.h"
  63 #define REGNAME i5
  64 #define REG (env->regwptr[21])
  65 #include "op_template.h"
  66 #define REGNAME i6
  67 #define REG (env->regwptr[22])
  68 #include "op_template.h"
  69 #define REGNAME i7
  70 #define REG (env->regwptr[23])
  71 #include "op_template.h"
  72 #define REGNAME l0
  73 #define REG (env->regwptr[8])
  74 #include "op_template.h"
  75 #define REGNAME l1
  76 #define REG (env->regwptr[9])
  77 #include "op_template.h"
  78 #define REGNAME l2
  79 #define REG (env->regwptr[10])
  80 #include "op_template.h"
  81 #define REGNAME l3
  82 #define REG (env->regwptr[11])
  83 #include "op_template.h"
  84 #define REGNAME l4
  85 #define REG (env->regwptr[12])
  86 #include "op_template.h"
  87 #define REGNAME l5
  88 #define REG (env->regwptr[13])
  89 #include "op_template.h"
  90 #define REGNAME l6
  91 #define REG (env->regwptr[14])
  92 #include "op_template.h"
  93 #define REGNAME l7
  94 #define REG (env->regwptr[15])
  95 #include "op_template.h"
  96 #define REGNAME o0
  97 #define REG (env->regwptr[0])
  98 #include "op_template.h"
  99 #define REGNAME o1
 100 #define REG (env->regwptr[1])
 101 #include "op_template.h"
 102 #define REGNAME o2
 103 #define REG (env->regwptr[2])
 104 #include "op_template.h"
 105 #define REGNAME o3
 106 #define REG (env->regwptr[3])
 107 #include "op_template.h"
 108 #define REGNAME o4
 109 #define REG (env->regwptr[4])
 110 #include "op_template.h"
 111 #define REGNAME o5
 112 #define REG (env->regwptr[5])
 113 #include "op_template.h"
 114 #define REGNAME o6
 115 #define REG (env->regwptr[6])
 116 #include "op_template.h"
 117 #define REGNAME o7
 118 #define REG (env->regwptr[7])
 119 #include "op_template.h"
 120
 121 #define REGNAME f0
 122 #define REG (env->fpr[0])
 123 #include "fop_template.h"
 124 #define REGNAME f1
 125 #define REG (env->fpr[1])
 126 #include "fop_template.h"
 127 #define REGNAME f2
 128 #define REG (env->fpr[2])
 129 #include "fop_template.h"
 130 #define REGNAME f3
 131 #define REG (env->fpr[3])
 132 #include "fop_template.h"
 133 #define REGNAME f4
 134 #define REG (env->fpr[4])
 135 #include "fop_template.h"
 136 #define REGNAME f5
 137 #define REG (env->fpr[5])
 138 #include "fop_template.h"
 139 #define REGNAME f6
 140 #define REG (env->fpr[6])
 141 #include "fop_template.h"
 142 #define REGNAME f7
 143 #define REG (env->fpr[7])
 144 #include "fop_template.h"
 145 #define REGNAME f8
 146 #define REG (env->fpr[8])
 147 #include "fop_template.h"
 148 #define REGNAME f9
 149 #define REG (env->fpr[9])
 150 #include "fop_template.h"
 151 #define REGNAME f10
 152 #define REG (env->fpr[10])
 153 #include "fop_template.h"
 154 #define REGNAME f11
 155 #define REG (env->fpr[11])
 156 #include "fop_template.h"
 157 #define REGNAME f12
 158 #define REG (env->fpr[12])
 159 #include "fop_template.h"
 160 #define REGNAME f13
 161 #define REG (env->fpr[13])
 162 #include "fop_template.h"
 163 #define REGNAME f14
 164 #define REG (env->fpr[14])
 165 #include "fop_template.h"
 166 #define REGNAME f15
 167 #define REG (env->fpr[15])
 168 #include "fop_template.h"
 169 #define REGNAME f16
 170 #define REG (env->fpr[16])
 171 #include "fop_template.h"
 172 #define REGNAME f17
 173 #define REG (env->fpr[17])
 174 #include "fop_template.h"
 175 #define REGNAME f18
 176 #define REG (env->fpr[18])
 177 #include "fop_template.h"
 178 #define REGNAME f19
 179 #define REG (env->fpr[19])
 180 #include "fop_template.h"
 181 #define REGNAME f20
 182 #define REG (env->fpr[20])
 183 #include "fop_template.h"
 184 #define REGNAME f21
 185 #define REG (env->fpr[21])
 186 #include "fop_template.h"
 187 #define REGNAME f22
 188 #define REG (env->fpr[22])
 189 #include "fop_template.h"
 190 #define REGNAME f23
 191 #define REG (env->fpr[23])
 192 #include "fop_template.h"
 193 #define REGNAME f24
 194 #define REG (env->fpr[24])
 195 #include "fop_template.h"
 196 #define REGNAME f25
 197 #define REG (env->fpr[25])
 198 #include "fop_template.h"
 199 #define REGNAME f26
 200 #define REG (env->fpr[26])
 201 #include "fop_template.h"
 202 #define REGNAME f27
 203 #define REG (env->fpr[27])
 204 #include "fop_template.h"
 205 #define REGNAME f28
 206 #define REG (env->fpr[28])
 207 #include "fop_template.h"
 208 #define REGNAME f29
 209 #define REG (env->fpr[29])
 210 #include "fop_template.h"
 211 #define REGNAME f30
 212 #define REG (env->fpr[30])
 213 #include "fop_template.h"
 214 #define REGNAME f31
 215 #define REG (env->fpr[31])
 216 #include "fop_template.h"
 217
 218 #define EIP (env->pc)
 219
 220 #define FLAG_SET(x) (env->psr&x)?1:0
 221 #define FFLAG_SET(x) ((env->fsr&x)?1:0)
 222
 223 void OPPROTO op_movl_T0_0(void)
 224 {
 225     T0 = 0;
 226 }
 227
 228 void OPPROTO op_movl_T0_1(void)
 229 {
 230     T0 = 1;
 231 }
 232
 233 void OPPROTO op_movl_T0_im(void)
 234 {
 235     T0 = PARAM1;
 236 }
 237
 238 void OPPROTO op_movl_T1_im(void)
 239 {
 240     T1 = PARAM1;
 241 }
 242
 243 void OPPROTO op_movl_T2_im(void)
 244 {
 245     T2 = PARAM1;
 246 }
 247
 248 void OPPROTO op_addl_T1_im(void)
 249 {
 250     T1 += PARAM1;
 251 }
 252
 253 void OPPROTO op_addl_T1_T2(void)
 254 {
 255     T1 += T2;
 256 }
 257
 258 void OPPROTO op_subl_T1_T2(void)
 259 {
 260     T1 -= T2;
 261 }
 262
 263 void OPPROTO op_add_T1_T0(void)
 264 {
 265     T0 += T1;
 266 }
 267
 268 void OPPROTO op_add_T1_T0_cc(void)
 269 {
 270     unsigned int src1;
 271     src1 = T0;
 272     T0 += T1;
 273     env->psr = 0;
 274     if (!T0)
 275         env->psr |= PSR_ZERO;
 276     if ((int) T0 < 0)
 277         env->psr |= PSR_NEG;
 278     if (T0 < src1)
 279         env->psr |= PSR_CARRY;
 280     if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1 << 31))
 281         env->psr |= PSR_OVF;
 282     FORCE_RET();
 283 }
 284
 285 void OPPROTO op_sub_T1_T0(void)
 286 {
 287     T0 -= T1;
 288 }
 289
 290 void OPPROTO op_sub_T1_T0_cc(void)
 291 {
 292     unsigned int src1;
 293
 294     src1 = T0;
 295     T0 -= T1;
 296     env->psr = 0;
 297     if (!T0)
 298         env->psr |= PSR_ZERO;
 299     if ((int) T0 < 0)
 300         env->psr |= PSR_NEG;
 301     if (src1 < T1)
 302         env->psr |= PSR_CARRY;
 303     if (((src1 ^ T1) & (src1 ^ T0)) & (1 << 31))
 304         env->psr |= PSR_OVF;
 305     FORCE_RET();
 306 }
 307
 308 void OPPROTO op_and_T1_T0(void)
 309 {
 310     T0 &= T1;
 311 }
 312
 313 void OPPROTO op_or_T1_T0(void)
 314 {
 315     T0 |= T1;
 316 }
 317
 318 void OPPROTO op_xor_T1_T0(void)
 319 {
 320     T0 ^= T1;
 321 }
 322
 323 void OPPROTO op_andn_T1_T0(void)
 324 {
 325     T0 &= ~T1;
 326 }
 327
 328 void OPPROTO op_orn_T1_T0(void)
 329 {
 330     T0 |= ~T1;
 331 }
 332
 333 void OPPROTO op_xnor_T1_T0(void)
 334 {
 335     T0 ^= ~T1;
 336 }
 337
 338 void OPPROTO op_addx_T1_T0(void)
 339 {
 340     T0 += T1 + ((env->psr & PSR_CARRY) ? 1 : 0);
 341 }
 342
 343 void OPPROTO op_umul_T1_T0(void)
 344 {
 345     uint64_t res;
 346     res = (uint64_t) T0 *(uint64_t) T1;
 347     T0 = res & 0xffffffff;
 348     env->y = res >> 32;
 349 }
 350
 351 void OPPROTO op_smul_T1_T0(void)
 352 {
 353     uint64_t res;
 354     res = (int64_t) ((int32_t) T0) * (int64_t) ((int32_t) T1);
 355     T0 = res & 0xffffffff;
 356     env->y = res >> 32;
 357 }
 358
 359 void OPPROTO op_mulscc_T1_T0(void)
 360 {
 361     unsigned int b1, N, V, b2, src1;
 362     N = FLAG_SET(PSR_NEG);
 363     V = FLAG_SET(PSR_OVF);
 364     b1 = N ^ V;
 365     b2 = T0 & 1;
 366     T0 = (b1 << 31) | (T0 >> 1);
 367     if (!(env->y & 1))
 368         T1 = 0;
 369     /* do addition and update flags */
 370     src1 = T0;
 371     T0 += T1;
 372     env->psr = 0;
 373     if (!T0)
 374         env->psr |= PSR_ZERO;
 375     if ((int) T0 < 0)
 376         env->psr |= PSR_NEG;
 377     if (T0 < src1)
 378         env->psr |= PSR_CARRY;
 379     if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1 << 31))
 380         env->psr |= PSR_OVF;
 381     env->y = (b2 << 31) | (env->y >> 1);
 382     FORCE_RET();
 383 }
 384
 385 void OPPROTO op_udiv_T1_T0(void)
 386 {
 387     uint64_t x0;
 388     uint32_t x1;
 389
 390     x0 = T0 | ((uint64_t) (env->y) << 32);
 391     x1 = T1;
 392     x0 = x0 / x1;
 393     if (x0 > 0xffffffff) {
 394         T0 = 0xffffffff;
 395         T1 = 1;
 396     } else {
 397         T0 = x0;
 398         T1 = 0;
 399     }
 400     FORCE_RET();
 401 }
 402
 403 void OPPROTO op_sdiv_T1_T0(void)
 404 {
 405     int64_t x0;
 406     int32_t x1;
 407
 408     x0 = T0 | ((uint64_t) (env->y) << 32);
 409     x1 = T1;
 410     x0 = x0 / x1;
 411     if ((int32_t) x0 != x0) {
 412         T0 = x0 >> 63;
 413         T1 = 1;
 414     } else {
 415         T0 = x0;
 416         T1 = 0;
 417     }
 418     FORCE_RET();
 419 }
 420
 421 void OPPROTO op_div_cc(void)
 422 {
 423     env->psr = 0;
 424     if (!T0)
 425         env->psr |= PSR_ZERO;
 426     if ((int) T0 < 0)
 427         env->psr |= PSR_NEG;
 428     if (T1)
 429         env->psr |= PSR_OVF;
 430     FORCE_RET();
 431 }
 432
 433 void OPPROTO op_subx_T1_T0(void)
 434 {
 435     T0 -= T1 + ((env->psr & PSR_CARRY) ? 1 : 0);
 436 }
 437
 438 void OPPROTO op_logic_T0_cc(void)
 439 {
 440     env->psr = 0;
 441     if (!T0)
 442         env->psr |= PSR_ZERO;
 443     if ((int) T0 < 0)
 444         env->psr |= PSR_NEG;
 445     FORCE_RET();
 446 }
 447
 448 void OPPROTO op_set_flags(void)
 449 {
 450     env->psr = 0;
 451     if (!T0)
 452         env->psr |= PSR_ZERO;
 453     if ((unsigned int) T0 < (unsigned int) T1)
 454         env->psr |= PSR_CARRY;
 455     if ((int) T0 < (int) T1)
 456         env->psr |= PSR_OVF;
 457     if ((int) T0 < 0)
 458         env->psr |= PSR_NEG;
 459     FORCE_RET();
 460 }
 461
 462 void OPPROTO op_sll(void)
 463 {
 464     T0 <<= T1;
 465 }
 466
 467 void OPPROTO op_srl(void)
 468 {
 469     T0 >>= T1;
 470 }
 471
 472 void OPPROTO op_sra(void)
 473 {
 474     T0 = ((int32_t) T0) >> T1;
 475 }
 476
 477 #if 0
 478 void OPPROTO op_st(void)
 479 {
 480     stl((void *) T0, T1);
 481 }
 482
 483 void OPPROTO op_stb(void)
 484 {
 485     stb((void *) T0, T1);
 486 }
 487
 488 void OPPROTO op_sth(void)
 489 {
 490     stw((void *) T0, T1);
 491 }
 492
 493 void OPPROTO op_std(void)
 494 {
 495     stl((void *) T0, T1);
 496     stl((void *) (T0 + 4), T2);
 497 }
 498
 499 void OPPROTO op_ld(void)
 500 {
 501     T1 = ldl((void *) T0);
 502 }
 503
 504 void OPPROTO op_ldub(void)
 505 {
 506     T1 = ldub((void *) T0);
 507 }
 508
 509 void OPPROTO op_lduh(void)
 510 {
 511     T1 = lduw((void *) T0);
 512 }
 513
 514 void OPPROTO op_ldsb(void)
 515 {
 516     T1 = ldsb((void *) T0);
 517 }
 518
 519 void OPPROTO op_ldsh(void)
 520 {
 521     T1 = ldsw((void *) T0);
 522 }
 523
 524 void OPPROTO op_ldstub(void)
 525 {
 526     T1 = ldub((void *) T0);
 527     stb((void *) T0, 0xff);     /* XXX: Should be Atomically */
 528 }
 529
 530 void OPPROTO op_swap(void)
 531 {
 532     unsigned int tmp = ldl((void *) T0);
 533     stl((void *) T0, T1);       /* XXX: Should be Atomically */
 534     T1 = tmp;
 535 }
 536
 537 void OPPROTO op_ldd(void)
 538 {
 539     T1 = ldl((void *) T0);
 540     T0 = ldl((void *) (T0 + 4));
 541 }
 542
 543 void OPPROTO op_stf(void)
 544 {
 545     stfl((void *) T0, FT0);
 546 }
 547
 548 void OPPROTO op_stdf(void)
 549 {
 550     stfq((void *) T0, DT0);
 551 }
 552
 553 void OPPROTO op_ldf(void)
 554 {
 555     FT0 = ldfl((void *) T0);
 556 }
 557
 558 void OPPROTO op_lddf(void)
 559 {
 560     DT0 = ldfq((void *) T0);
 561 }
 562 #else
 563 /* Load and store */
 564 #define MEMSUFFIX _raw
 565 #include "op_mem.h"
 566 #if !defined(CONFIG_USER_ONLY)
 567 #define MEMSUFFIX _user
 568 #include "op_mem.h"
 569
 570 #define MEMSUFFIX _kernel
 571 #include "op_mem.h"
 572 #endif
 573 #endif
 574
 575 void OPPROTO op_ldfsr(void)
 576 {
 577     env->fsr = *((uint32_t *) &FT0);
 578     FORCE_RET();
 579 }
 580
 581 void OPPROTO op_stfsr(void)
 582 {
 583     *((uint32_t *) &FT0) = env->fsr;
 584     helper_stfsr();
 585     FORCE_RET();
 586 }
 587
 588 void OPPROTO op_wry(void)
 589 {
 590     env->y = T0;
 591 }
 592
 593 void OPPROTO op_rdy(void)
 594 {
 595     T0 = env->y;
 596 }
 597
 598 void OPPROTO op_rdwim(void)
 599 {
 600     T0 = env->wim;
 601 }
 602
 603 void OPPROTO op_wrwim(void)
 604 {
 605     env->wim = T0;
 606     FORCE_RET();
 607 }
 608
 609 void OPPROTO op_rdpsr(void)
 610 {
 611     T0 = GET_PSR(env);
 612     FORCE_RET();
 613 }
 614
 615 void OPPROTO op_wrpsr(void)
 616 {
 617     env->psr = T0 & ~PSR_ICC;
 618     env->psrs = (T0 & PSR_S)? 1 : 0;
 619     env->psrps = (T0 & PSR_PS)? 1 : 0;
 620     env->psret = (T0 & PSR_ET)? 1 : 0;
 621     env->cwp = (T0 & PSR_CWP);
 622     FORCE_RET();
 623 }
 624
 625 void OPPROTO op_rdtbr(void)
 626 {
 627     T0 = env->tbr;
 628 }
 629
 630 void OPPROTO op_wrtbr(void)
 631 {
 632     env->tbr = T0;
 633     FORCE_RET();
 634 }
 635
 636 void OPPROTO op_rett(void)
 637 {
 638     helper_rett();
 639     FORCE_RET();
 640 }
 641
 642 void raise_exception(int tt)
 643 {
 644     env->exception_index = tt;
 645     cpu_loop_exit();
 646 }
 647
 648 /* XXX: use another pointer for %iN registers to avoid slow wrapping
 649    handling ? */
 650 void OPPROTO op_save(void)
 651 {
 652     int cwp;
 653     cwp = (env->cwp - 1) & (NWINDOWS - 1);
 654     if (env->wim & (1 << cwp)) {
 655         raise_exception(TT_WIN_OVF);
 656     }
 657     set_cwp(cwp);
 658     FORCE_RET();
 659 }
 660
 661 void OPPROTO op_restore(void)
 662 {
 663     int cwp;
 664     cwp = (env->cwp + 1) & (NWINDOWS - 1);
 665     if (env->wim & (1 << cwp)) {
 666         raise_exception(TT_WIN_UNF);
 667     }
 668     set_cwp(cwp);
 669     FORCE_RET();
 670 }
 671
 672 void OPPROTO op_exception(void)
 673 {
 674     env->exception_index = PARAM1;
 675     cpu_loop_exit();
 676 }
 677
 678 void OPPROTO op_trap_T0(void)
 679 {
 680     env->exception_index = TT_TRAP + (T0 & 0x7f);
 681     cpu_loop_exit();
 682 }
 683
 684 void OPPROTO op_trapcc_T0(void)
 685 {
 686     if (T2) {
 687         env->exception_index = TT_TRAP + (T0 & 0x7f);
 688         cpu_loop_exit();
 689     }
 690     FORCE_RET();
 691 }
 692
 693 void OPPROTO op_debug(void)
 694 {
 695     env->exception_index = EXCP_DEBUG;
 696     cpu_loop_exit();
 697 }
 698
 699 void OPPROTO op_exit_tb(void)
 700 {
 701     EXIT_TB();
 702 }
 703
 704 void OPPROTO op_eval_be(void)
 705 {
 706     T2 = (env->psr & PSR_ZERO);
 707 }
 708
 709 void OPPROTO op_eval_ble(void)
 710 {
 711     unsigned int Z = FLAG_SET(PSR_ZERO), N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
 712
 713     T2 = Z | (N ^ V);
 714 }
 715
 716 void OPPROTO op_eval_bl(void)
 717 {
 718     unsigned int N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
 719
 720     T2 = N ^ V;
 721 }
 722
 723 void OPPROTO op_eval_bleu(void)
 724 {
 725     unsigned int Z = FLAG_SET(PSR_ZERO), C = FLAG_SET(PSR_CARRY);
 726
 727     T2 = C | Z;
 728 }
 729
 730 void OPPROTO op_eval_bcs(void)
 731 {
 732     T2 = (env->psr & PSR_CARRY);
 733 }
 734
 735 void OPPROTO op_eval_bvs(void)
 736 {
 737     T2 = (env->psr & PSR_OVF);
 738 }
 739
 740 void OPPROTO op_eval_bneg(void)
 741 {
 742     T2 = (env->psr & PSR_NEG);
 743 }
 744
 745 void OPPROTO op_eval_bne(void)
 746 {
 747     T2 = !(env->psr & PSR_ZERO);
 748 }
 749
 750 void OPPROTO op_eval_bg(void)
 751 {
 752     unsigned int Z = FLAG_SET(PSR_ZERO), N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
 753
 754     T2 = !(Z | (N ^ V));
 755 }
 756
 757 void OPPROTO op_eval_bge(void)
 758 {
 759     unsigned int N = FLAG_SET(PSR_NEG), V = FLAG_SET(PSR_OVF);
 760
 761     T2 = !(N ^ V);
 762 }
 763
 764 void OPPROTO op_eval_bgu(void)
 765 {
 766     unsigned int Z = FLAG_SET(PSR_ZERO), C = FLAG_SET(PSR_CARRY);
 767
 768     T2 = !(C | Z);
 769 }
 770
 771 void OPPROTO op_eval_bcc(void)
 772 {
 773     T2 = !(env->psr & PSR_CARRY);
 774 }
 775
 776 void OPPROTO op_eval_bpos(void)
 777 {
 778     T2 = !(env->psr & PSR_NEG);
 779 }
 780
 781 void OPPROTO op_eval_bvc(void)
 782 {
 783     T2 = !(env->psr & PSR_OVF);
 784 }
 785
 786 /* FCC1:FCC0: 0 =, 1 <, 2 >, 3 u */
 787
 788 void OPPROTO op_eval_fbne(void)
 789 {
 790 // !0
 791     T2 = (env->fsr & (FSR_FCC1 | FSR_FCC0)); /* L or G or U */
 792 }
 793
 794 void OPPROTO op_eval_fblg(void)
 795 {
 796 // 1 or 2
 797     T2 = FFLAG_SET(FSR_FCC0) ^ FFLAG_SET(FSR_FCC1);
 798 }
 799
 800 void OPPROTO op_eval_fbul(void)
 801 {
 802 // 1 or 3
 803     T2 = FFLAG_SET(FSR_FCC0);
 804 }
 805
 806 void OPPROTO op_eval_fbl(void)
 807 {
 808 // 1
 809     T2 = FFLAG_SET(FSR_FCC0) & !FFLAG_SET(FSR_FCC1);
 810 }
 811
 812 void OPPROTO op_eval_fbug(void)
 813 {
 814 // 2 or 3
 815     T2 = FFLAG_SET(FSR_FCC1);
 816 }
 817
 818 void OPPROTO op_eval_fbg(void)
 819 {
 820 // 2
 821     T2 = !FFLAG_SET(FSR_FCC0) & FFLAG_SET(FSR_FCC1);
 822 }
 823
 824 void OPPROTO op_eval_fbu(void)
 825 {
 826 // 3
 827     T2 = FFLAG_SET(FSR_FCC0) & FFLAG_SET(FSR_FCC1);
 828 }
 829
 830 void OPPROTO op_eval_fbe(void)
 831 {
 832 // 0
 833     T2 = !FFLAG_SET(FSR_FCC0) & !FFLAG_SET(FSR_FCC1);
 834 }
 835
 836 void OPPROTO op_eval_fbue(void)
 837 {
 838 // 0 or 3
 839     T2 = !(FFLAG_SET(FSR_FCC1) ^ FFLAG_SET(FSR_FCC0));
 840 }
 841
 842 void OPPROTO op_eval_fbge(void)
 843 {
 844 // 0 or 2
 845     T2 = !FFLAG_SET(FSR_FCC0);
 846 }
 847
 848 void OPPROTO op_eval_fbuge(void)
 849 {
 850 // !1
 851     T2 = !(FFLAG_SET(FSR_FCC0) & !FFLAG_SET(FSR_FCC1));
 852 }
 853
 854 void OPPROTO op_eval_fble(void)
 855 {
 856 // 0 or 1
 857     T2 = !FFLAG_SET(FSR_FCC1);
 858 }
 859
 860 void OPPROTO op_eval_fbule(void)
 861 {
 862 // !2
 863     T2 = !(!FFLAG_SET(FSR_FCC0) & FFLAG_SET(FSR_FCC1));
 864 }
 865
 866 void OPPROTO op_eval_fbo(void)
 867 {
 868 // !3
 869     T2 = !(FFLAG_SET(FSR_FCC0) & FFLAG_SET(FSR_FCC1));
 870 }
 871
 872 void OPPROTO op_movl_T2_0(void)
 873 {
 874     T2 = 0;
 875 }
 876
 877 void OPPROTO op_movl_T2_1(void)
 878 {
 879     T2 = 1;
 880 }
 881
 882 void OPPROTO op_jmp_im(void)
 883 {
 884     env->pc = PARAM1;
 885 }
 886
 887 void OPPROTO op_movl_npc_im(void)
 888 {
 889     env->npc = PARAM1;
 890 }
 891
 892 void OPPROTO op_movl_npc_T0(void)
 893 {
 894     env->npc = T0;
 895 }
 896
 897 void OPPROTO op_next_insn(void)
 898 {
 899     env->pc = env->npc;
 900     env->npc = env->npc + 4;
 901 }
 902
 903 void OPPROTO op_branch(void)
 904 {
 905     env->npc = PARAM3; /* XXX: optimize */
 906     JUMP_TB(op_branch, PARAM1, 0, PARAM2);
 907 }
 908
 909 void OPPROTO op_branch2(void)
 910 {
 911     if (T2) {
 912         env->npc = PARAM2 + 4;
 913         JUMP_TB(op_branch2, PARAM1, 0, PARAM2);
 914     } else {
 915         env->npc = PARAM3 + 4;
 916         JUMP_TB(op_branch2, PARAM1, 1, PARAM3);
 917     }
 918     FORCE_RET();
 919 }
 920
 921 void OPPROTO op_branch_a(void)
 922 {
 923     if (T2) {
 924         env->npc = PARAM2; /* XXX: optimize */
 925         JUMP_TB(op_generic_branch_a, PARAM1, 0, PARAM3);
 926     } else {
 927         env->npc = PARAM3 + 8; /* XXX: optimize */
 928         JUMP_TB(op_generic_branch_a, PARAM1, 1, PARAM3 + 4);
 929     }
 930     FORCE_RET();
 931 }
 932
 933 void OPPROTO op_generic_branch(void)
 934 {
 935     if (T2) {
 936         env->npc = PARAM1;
 937     } else {
 938         env->npc = PARAM2;
 939     }
 940     FORCE_RET();
 941 }
 942
 943 void OPPROTO op_flush_T0(void)
 944 {
 945     helper_flush(T0);
 946 }
 947
 948 void OPPROTO op_fnegs(void)
 949 {
 950     FT0 = -FT1;
 951 }
 952
 953 void OPPROTO op_fabss(void)
 954 {
 955     do_fabss();
 956 }
 957
 958 void OPPROTO op_fsqrts(void)
 959 {
 960     do_fsqrts();
 961 }
 962
 963 void OPPROTO op_fsqrtd(void)
 964 {
 965     do_fsqrtd();
 966 }
 967
 968 void OPPROTO op_fmuls(void)
 969 {
 970     FT0 *= FT1;
 971 }
 972
 973 void OPPROTO op_fmuld(void)
 974 {
 975     DT0 *= DT1;
 976 }
 977
 978 void OPPROTO op_fsmuld(void)
 979 {
 980     DT0 = FT0 * FT1;
 981 }
 982
 983 void OPPROTO op_fadds(void)
 984 {
 985     FT0 += FT1;
 986 }
 987
 988 void OPPROTO op_faddd(void)
 989 {
 990     DT0 += DT1;
 991 }
 992
 993 void OPPROTO op_fsubs(void)
 994 {
 995     FT0 -= FT1;
 996 }
 997
 998 void OPPROTO op_fsubd(void)
 999 {
1000     DT0 -= DT1;
1001 }
1002
1003 void OPPROTO op_fdivs(void)
1004 {
1005     FT0 /= FT1;
1006 }
1007
1008 void OPPROTO op_fdivd(void)
1009 {
1010     DT0 /= DT1;
1011 }
1012
1013 void OPPROTO op_fcmps(void)
1014 {
1015     do_fcmps();
1016 }
1017
1018 void OPPROTO op_fcmpd(void)
1019 {
1020     do_fcmpd();
1021 }
1022
1023 void OPPROTO op_fitos(void)
1024 {
1025     FT0 = (float) *((int32_t *)&FT1);
1026 }
1027
1028 void OPPROTO op_fdtos(void)
1029 {
1030     FT0 = (float) DT1;
1031 }
1032
1033 void OPPROTO op_fitod(void)
1034 {
1035     DT0 = (double) *((int32_t *)&FT1);
1036 }
1037
1038 void OPPROTO op_fstod(void)
1039 {
1040     DT0 = (double) FT1;
1041 }
1042
1043 void OPPROTO op_fstoi(void)
1044 {
1045     *((int32_t *)&FT0) = (int32_t) FT1;
1046 }
1047
1048 void OPPROTO op_fdtoi(void)
1049 {
1050     *((int32_t *)&FT0) = (int32_t) DT1;
1051 }
1052
1053 void OPPROTO op_ld_asi()
1054 {
1055     helper_ld_asi(PARAM1, PARAM2, PARAM3);
1056 }
1057
1058 void OPPROTO op_st_asi()
1059 {
1060     helper_st_asi(PARAM1, PARAM2, PARAM3);
1061 }
1062