1 #include "l.h" 2 3 #define OPVCC(o,xo,oe,rc) (((o)<<26)|((xo)<<1)|((oe)<<10)|((rc)&1)) 4 #define OPCC(o,xo,rc) OPVCC((o),(xo),0,(rc)) 5 #define OP(o,xo) OPVCC((o),(xo),0,0) 6 7 /* the order is dest, a/s, b/imm for both arithmetic and logical operations */ 8 #define AOP_RRR(op,d,a,b) ((op)|(((d)&31L)<<21)|(((a)&31L)<<16)|(((b)&31L)<<11)) 9 #define AOP_IRR(op,d,a,simm) ((op)|(((d)&31L)<<21)|(((a)&31L)<<16)|((simm)&0xFFFF)) 10 #define LOP_RRR(op,a,s,b) ((op)|(((s)&31L)<<21)|(((a)&31L)<<16)|(((b)&31L)<<11)) 11 #define LOP_IRR(op,a,s,uimm) ((op)|(((s)&31L)<<21)|(((a)&31L)<<16)|((uimm)&0xFFFF)) 12 #define OP_BR(op,li,aa) ((op)|((li)&0x03FFFFFC)|((aa)<<1)) 13 #define OP_BC(op,bo,bi,bd,aa) ((op)|(((bo)&0x1F)<<21)|(((bi)&0x1F)<<16)|((bd)&0xFFFC)|((aa)<<1)) 14 #define OP_BCR(op,bo,bi) ((op)|(((bo)&0x1F)<<21)|(((bi)&0x1F)<<16)) 15 #define OP_RLW(op,a,s,sh,mb,me) ((op)|(((s)&31L)<<21)|(((a)&31L)<<16)|(((sh)&31L)<<11)|\ 16 (((mb)&31L)<<6)|(((me)&31L)<<1)) 17 18 #define OP_ADD OPVCC(31,266,0,0) 19 #define OP_ADDI OPVCC(14,0,0,0) 20 #define OP_ADDIS OPVCC(15,0,0,0) 21 #define OP_ANDI OPVCC(28,0,0,0) 22 #define OP_EXTSB OPVCC(31,954,0,0) 23 #define OP_EXTSH OPVCC(31,922,0,0) 24 #define OP_MCRF OPVCC(19,0,0,0) 25 #define OP_MCRFS OPVCC(63,64,0,0) 26 #define OP_MCRXR OPVCC(31,512,0,0) 27 #define OP_MFCR OPVCC(31,19,0,0) 28 #define OP_MFFS OPVCC(63,583,0,0) 29 #define OP_MFMSR OPVCC(31,83,0,0) 30 #define OP_MFSPR OPVCC(31,339,0,0) 31 #define OP_MFSR OPVCC(31,595,0,0) 32 #define OP_MFSRIN OPVCC(31,659,0,0) 33 #define OP_MTCRF OPVCC(31,144,0,0) 34 #define OP_MTFSF OPVCC(63,711,0,0) 35 #define OP_MTFSFI OPVCC(63,134,0,0) 36 #define OP_MTMSR OPVCC(31,146,0,0) 37 #define OP_MTSPR OPVCC(31,467,0,0) 38 #define OP_MTSR OPVCC(31,210,0,0) 39 #define OP_MTSRIN OPVCC(31,242,0,0) 40 #define OP_MULLW OPVCC(31,235,0,0) 41 #define OP_OR OPVCC(31,444,0,0) 42 #define OP_ORI OPVCC(24,0,0,0) 43 #define OP_RLWINM OPVCC(21,0,0,0) 44 #define OP_SUBF OPVCC(31,40,0,0) 45 46 #define oclass(v) ((v).class-1) 47 48 long oprrr(int), opirr(int), opload(int), opstore(int), oploadx(int), opstorex(int); 49 50 int 51 getmask(uchar *m, ulong v) 52 { 53 int i; 54 55 m[0] = m[1] = 0; 56 if(v != ~0L && v & (1<<31) && v & 1){ /* MB > ME */ 57 if(getmask(m, ~v)){ 58 i = m[0]; m[0] = m[1]+1; m[1] = i-1; 59 return 1; 60 } 61 return 0; 62 } 63 for(i=0; i<32; i++) 64 if(v & (1<<(31-i))){ 65 m[0] = i; 66 do { 67 m[1] = i; 68 } while(++i<32 && (v & (1<<(31-i))) != 0); 69 for(; i<32; i++) 70 if(v & (1<<(31-i))) 71 return 0; 72 return 1; 73 } 74 return 0; 75 } 76 77 void 78 maskgen(Prog *p, uchar *m, ulong v) 79 { 80 if(!getmask(m, v)) 81 diag("cannot generate mask #%lux\n%P", v, p); 82 } 83 84 static void 85 reloc(Adr *a, long pc, int sext) 86 { 87 if(a->name == D_EXTERN || a->name == D_STATIC) 88 dynreloc(a->sym, pc, 1, 1, sext); 89 } 90 91 int 92 asmout(Prog *p, Optab *o, int aflag) 93 { 94 long o1, o2, o3, o4, o5, v, t; 95 Prog *ct; 96 int r, a; 97 uchar mask[2]; 98 99 o1 = 0; 100 o2 = 0; 101 o3 = 0; 102 o4 = 0; 103 o5 = 0; 104 switch(o->type) { 105 default: 106 if(aflag) 107 return 0; 108 diag("unknown type %d", o->type); 109 if(!debug['a']) 110 prasm(p); 111 break; 112 113 case 0: /* pseudo ops */ 114 if(aflag) { 115 if(p->link) { 116 if(p->as == ATEXT) { 117 ct = curtext; 118 o2 = autosize; 119 curtext = p; 120 autosize = p->to.offset + 4; 121 o1 = asmout(p->link, oplook(p->link), aflag); 122 curtext = ct; 123 autosize = o2; 124 } else 125 o1 = asmout(p->link, oplook(p->link), aflag); 126 } 127 return o1; 128 } 129 break; 130 131 case 1: /* mov r1,r2 ==> OR Rs,Rs,Ra */ 132 if(p->to.reg == REGZERO && p->from.type == D_CONST) { 133 v = regoff(&p->from); 134 if(r0iszero && v != 0) { 135 nerrors--; 136 diag("literal operation on R0\n%P", p); 137 } 138 o1 = LOP_IRR(OP_ADDI, REGZERO, REGZERO, v); 139 break; 140 } 141 o1 = LOP_RRR(OP_OR, p->to.reg, p->from.reg, p->from.reg); 142 break; 143 144 case 2: /* int/cr/fp op Rb,[Ra],Rd */ 145 r = p->reg; 146 if(r == NREG) 147 r = p->to.reg; 148 o1 = AOP_RRR(oprrr(p->as), p->to.reg, r, p->from.reg); 149 break; 150 151 case 3: /* mov $soreg/addcon/ucon, r ==> addis/addi $i,reg',r */ 152 v = regoff(&p->from); 153 r = p->from.reg; 154 if(r == NREG) 155 r = o->param; 156 a = OP_ADDI; 157 if(o->a1 == C_UCON) { 158 a = OP_ADDIS; 159 v >>= 16; 160 } 161 if(r0iszero && p->to.reg == 0 && (r != 0 || v != 0)) 162 diag("literal operation on R0\n%P", p); 163 o1 = AOP_IRR(a, p->to.reg, r, v); 164 break; 165 166 case 4: /* add/mul $scon,[r1],r2 */ 167 v = regoff(&p->from); 168 r = p->reg; 169 if(r == NREG) 170 r = p->to.reg; 171 if(r0iszero && p->to.reg == 0) 172 diag("literal operation on R0\n%P", p); 173 o1 = AOP_IRR(opirr(p->as), p->to.reg, r, v); 174 break; 175 176 case 5: /* syscall */ 177 if(aflag) 178 return 0; 179 o1 = oprrr(p->as); 180 break; 181 182 case 6: /* logical op Rb,[Rs,]Ra; no literal */ 183 r = p->reg; 184 if(r == NREG) 185 r = p->to.reg; 186 o1 = LOP_RRR(oprrr(p->as), p->to.reg, r, p->from.reg); 187 break; 188 189 case 7: /* mov r, soreg ==> stw o(r) */ 190 r = p->to.reg; 191 if(r == NREG) 192 r = o->param; 193 v = regoff(&p->to); 194 if(p->to.type == D_OREG && p->reg != NREG) { 195 if(v) 196 diag("illegal indexed instruction\n%P", p); 197 o1 = AOP_RRR(opstorex(p->as), p->from.reg, p->reg, r); 198 } else 199 o1 = AOP_IRR(opstore(p->as), p->from.reg, r, v); 200 break; 201 202 case 8: /* mov soreg, r ==> lbz/lhz/lwz o(r) */ 203 r = p->from.reg; 204 if(r == NREG) 205 r = o->param; 206 v = regoff(&p->from); 207 if(p->from.type == D_OREG && p->reg != NREG) { 208 if(v) 209 diag("illegal indexed instruction\n%P", p); 210 o1 = AOP_RRR(oploadx(p->as), p->to.reg, p->reg, r); 211 } else 212 o1 = AOP_IRR(opload(p->as), p->to.reg, r, v); 213 break; 214 215 case 9: /* movb soreg, r ==> lbz o(r),r2; extsb r2,r2 */ 216 r = p->from.reg; 217 if(r == NREG) 218 r = o->param; 219 v = regoff(&p->from); 220 if(p->from.type == D_OREG && p->reg != NREG) { 221 if(v) 222 diag("illegal indexed instruction\n%P", p); 223 o1 = AOP_RRR(oploadx(p->as), p->to.reg, p->reg, r); 224 } else 225 o1 = AOP_IRR(opload(p->as), p->to.reg, r, v); 226 o2 = LOP_RRR(OP_EXTSB, p->to.reg, p->to.reg, 0); 227 break; 228 229 case 10: /* sub Ra,[Rb],Rd => subf Rd,Ra,Rb */ 230 r = p->reg; 231 if(r == NREG) 232 r = p->to.reg; 233 o1 = AOP_RRR(oprrr(p->as), p->to.reg, p->from.reg, r); 234 break; 235 236 case 11: /* br/bl lbra */ 237 if(aflag) 238 return 0; 239 v = 0; 240 if(p->cond == UP){ 241 if(p->to.sym->type != SUNDEF) 242 diag("bad branch sym type"); 243 v = (ulong)p->to.sym->value >> (Roffset-2); 244 dynreloc(p->to.sym, p->pc, 0, 0, 0); 245 } 246 else if(p->cond) 247 v = p->cond->pc - p->pc; 248 if(v & 03) { 249 diag("odd branch target address\n%P", p); 250 v &= ~03; 251 } 252 if(v < -(1L<<25) || v >= (1L<<25)) 253 diag("branch too far\n%P", p); 254 o1 = OP_BR(opirr(p->as), v, 0); 255 break; 256 257 case 12: /* movb r,r (signed); extsb is on PowerPC but not POWER */ 258 o1 = LOP_RRR(OP_EXTSB, p->to.reg, p->from.reg, 0); 259 break; 260 261 case 13: /* mov[bh]z r,r; uses rlwinm not andi. to avoid changing CC */ 262 if(p->as == AMOVBZ) 263 o1 = OP_RLW(OP_RLWINM, p->to.reg, p->from.reg, 0, 24, 31); 264 else if(p->as == AMOVH) 265 o1 = LOP_RRR(OP_EXTSH, p->to.reg, p->from.reg, 0); 266 else if(p->as == AMOVHZ) 267 o1 = OP_RLW(OP_RLWINM, p->to.reg, p->from.reg, 0, 16, 31); 268 else 269 diag("internal: bad mov[bh]z\n%P", p); 270 break; 271 272 /*14 */ 273 274 case 17: /* bc bo,bi,lbra (same for now) */ 275 case 16: /* bc bo,bi,sbra */ 276 if(aflag) 277 return 0; 278 a = 0; 279 if(p->from.type == D_CONST) 280 a = regoff(&p->from); 281 r = p->reg; 282 if(r == NREG) 283 r = 0; 284 v = 0; 285 if(p->cond) 286 v = p->cond->pc - p->pc; 287 if(v & 03) { 288 diag("odd branch target address\n%P", p); 289 v &= ~03; 290 } 291 if(v < -(1L<<16) || v >= (1L<<16)) 292 diag("branch too far\n%P", p); 293 o1 = OP_BC(opirr(p->as), a, r, v, 0); 294 break; 295 296 case 15: /* br/bl (r) => mov r,lr; br/bl (lr) */ 297 if(aflag) 298 return 0; 299 if(p->as == ABC || p->as == ABCL) 300 v = regoff(&p->to)&31L; 301 else 302 v = 20; /* unconditional */ 303 r = p->reg; 304 if(r == NREG) 305 r = 0; 306 o1 = AOP_RRR(OP_MTSPR, p->to.reg, 0, 0) | ((D_LR&0x1f)<<16) | (((D_LR>>5)&0x1f)<<11); 307 o2 = OPVCC(19, 16, 0, 0); 308 if(p->as == ABL || p->as == ABCL) 309 o2 |= 1; 310 o2 = OP_BCR(o2, v, r); 311 break; 312 313 case 18: /* br/bl (lr/ctr); bc/bcl bo,bi,(lr/ctr) */ 314 if(aflag) 315 return 0; 316 if(p->as == ABC || p->as == ABCL) 317 v = regoff(&p->from)&31L; 318 else 319 v = 20; /* unconditional */ 320 r = p->reg; 321 if(r == NREG) 322 r = 0; 323 switch(oclass(p->to)) { 324 case C_CTR: 325 o1 = OPVCC(19, 528, 0, 0); 326 break; 327 case C_LR: 328 o1 = OPVCC(19, 16, 0, 0); 329 break; 330 default: 331 diag("bad optab entry (18): %d\n%P", p->to.class, p); 332 v = 0; 333 } 334 if(p->as == ABL || p->as == ABCL) 335 o1 |= 1; 336 o1 = OP_BCR(o1, v, r); 337 break; 338 339 case 19: /* mov $lcon,r ==> cau+or */ 340 v = regoff(&p->from); 341 o1 = AOP_IRR(OP_ADDIS, p->to.reg, REGZERO, v>>16); 342 o2 = LOP_IRR(OP_ORI, p->to.reg, p->to.reg, v); 343 if(dlm) 344 reloc(&p->from, p->pc, 0); 345 break; 346 347 case 20: /* add $ucon,,r */ 348 v = regoff(&p->from); 349 r = p->reg; 350 if(r == NREG) 351 r = p->to.reg; 352 if(p->as == AADD && (!r0iszero && p->reg == 0 || r0iszero && p->to.reg == 0)) 353 diag("literal operation on R0\n%P", p); 354 o1 = AOP_IRR(opirr(p->as+AEND), p->to.reg, r, v>>16); 355 break; 356 357 case 22: /* add $lcon,r1,r2 ==> cau+or+add */ /* could do add/sub more efficiently */ 358 v = regoff(&p->from); 359 if(p->to.reg == REGTMP || p->reg == REGTMP) 360 diag("cant synthesize large constant\n%P", p); 361 o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16); 362 o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, v); 363 r = p->reg; 364 if(r == NREG) 365 r = p->to.reg; 366 o3 = AOP_RRR(oprrr(p->as), p->to.reg, REGTMP, r); 367 if(dlm) 368 reloc(&p->from, p->pc, 0); 369 break; 370 371 case 23: /* and $lcon,r1,r2 ==> cau+or+and */ /* masks could be done using rlnm etc. */ 372 v = regoff(&p->from); 373 if(p->to.reg == REGTMP || p->reg == REGTMP) 374 diag("cant synthesize large constant\n%P", p); 375 o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16); 376 o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, v); 377 r = p->reg; 378 if(r == NREG) 379 r = p->to.reg; 380 o3 = LOP_RRR(oprrr(p->as), p->to.reg, REGTMP, r); 381 if(dlm) 382 reloc(&p->from, p->pc, 0); 383 break; 384 /*24*/ 385 386 case 26: /* mov $lsext/auto/oreg,,r2 ==> cau+add */ 387 v = regoff(&p->from); 388 if(v & 0x8000L) 389 v += 0x10000L; 390 if(p->to.reg == REGTMP) 391 diag("can't synthesize large constant\n%P", p); 392 r = p->from.reg; 393 if(r == NREG) 394 r = o->param; 395 o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16); 396 o2 = AOP_IRR(OP_ADDI, p->to.reg, REGTMP, v); 397 break; 398 399 case 27: /* subc ra,$simm,rd => subfic rd,ra,$simm */ 400 v = regoff(&p->from3); 401 r = p->from.reg; 402 o1 = AOP_IRR(opirr(p->as), p->to.reg, r, v); 403 break; 404 405 case 28: /* subc r1,$lcon,r2 ==> cau+or+subfc */ 406 v = regoff(&p->from3); 407 if(p->to.reg == REGTMP || p->from.reg == REGTMP) 408 diag("can't synthesize large constant\n%P", p); 409 o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16); 410 o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, v); 411 o3 = AOP_RRR(oprrr(p->as), p->to.reg, p->from.reg, REGTMP); 412 if(dlm) 413 reloc(&p->from3, p->pc, 0); 414 break; 415 416 /*29, 30, 31 */ 417 418 case 32: /* fmul frc,fra,frd */ 419 r = p->reg; 420 if(r == NREG) 421 r = p->to.reg; 422 o1 = AOP_RRR(oprrr(p->as), p->to.reg, r, 0)|((p->from.reg&31L)<<6); 423 break; 424 425 case 33: /* fabs [frb,]frd; fmr. frb,frd */ 426 r = p->from.reg; 427 if(oclass(p->from) == C_NONE) 428 r = p->to.reg; 429 o1 = AOP_RRR(oprrr(p->as), p->to.reg, 0, r); 430 break; 431 432 case 34: /* FMADDx fra,frb,frc,frd (d=a*b+c) */ 433 o1 = AOP_RRR(oprrr(p->as), p->to.reg, p->from.reg, p->reg)|((p->from3.reg&31L)<<6); 434 break; 435 436 case 35: /* mov r,lext/lauto/loreg ==> cau $(v>>16),sb,r'; store o(r') */ 437 v = regoff(&p->to); 438 if(v & 0x8000L) 439 v += 0x10000L; 440 r = p->to.reg; 441 if(r == NREG) 442 r = o->param; 443 o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16); 444 o2 = AOP_IRR(opstore(p->as), p->from.reg, REGTMP, v); 445 break; 446 447 case 36: /* mov bz/h/hz lext/lauto/lreg,r ==> lbz/lha/lhz etc */ 448 v = regoff(&p->from); 449 if(v & 0x8000L) 450 v += 0x10000L; 451 r = p->from.reg; 452 if(r == NREG) 453 r = o->param; 454 o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16); 455 o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v); 456 break; 457 458 case 37: /* movb lext/lauto/lreg,r ==> lbz o(reg),r; extsb r */ 459 v = regoff(&p->from); 460 if(v & 0x8000L) 461 v += 0x10000L; 462 r = p->from.reg; 463 if(r == NREG) 464 r = o->param; 465 o1 = AOP_IRR(OP_ADDIS, REGTMP, r, v>>16); 466 o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v); 467 o3 = LOP_RRR(OP_EXTSB, p->to.reg, p->to.reg, 0); 468 break; 469 470 case 40: /* word */ 471 if(aflag) 472 return 0; 473 o1 = regoff(&p->from); 474 break; 475 476 case 41: /* stswi */ 477 o1 = AOP_RRR(opirr(p->as), p->from.reg, p->to.reg, 0) | ((regoff(&p->from3)&0x7F)<<11); 478 break; 479 480 case 42: /* lswi */ 481 o1 = AOP_RRR(opirr(p->as), p->to.reg, p->from.reg, 0) | ((regoff(&p->from3)&0x7F)<<11); 482 break; 483 484 case 43: /* unary indexed source: dcbf (b); dcbf (a+b) */ 485 r = p->reg; 486 if(r == NREG) 487 r = 0; 488 o1 = AOP_RRR(oprrr(p->as), 0, r, p->from.reg); 489 break; 490 491 case 44: /* indexed store */ 492 r = p->reg; 493 if(r == NREG) 494 r = 0; 495 o1 = AOP_RRR(opstorex(p->as), p->from.reg, r, p->to.reg); 496 break; 497 case 45: /* indexed load */ 498 r = p->reg; 499 if(r == NREG) 500 r = 0; 501 o1 = AOP_RRR(oploadx(p->as), p->to.reg, r, p->from.reg); 502 break; 503 504 case 46: /* plain op */ 505 o1 = oprrr(p->as); 506 break; 507 508 case 47: /* op Ra, Rd; also op [Ra,] Rd */ 509 r = p->from.reg; 510 if(r == NREG) 511 r = p->to.reg; 512 o1 = AOP_RRR(oprrr(p->as), p->to.reg, r, 0); 513 break; 514 515 case 48: /* op Rs, Ra */ 516 r = p->from.reg; 517 if(r == NREG) 518 r = p->to.reg; 519 o1 = LOP_RRR(oprrr(p->as), p->to.reg, r, 0); 520 break; 521 522 case 49: /* op Rb */ 523 o1 = AOP_RRR(oprrr(p->as), 0, 0, p->from.reg); 524 break; 525 526 /*50*/ 527 528 case 51: /* rem[u] r1[,r2],r3 */ 529 r = p->reg; 530 if(r == NREG) 531 r = p->to.reg; 532 v = oprrr(p->as); 533 t = v & ((1<<10)|1); /* OE|Rc */ 534 o1 = AOP_RRR(v&~t, REGTMP, r, p->from.reg); 535 o2 = AOP_RRR(OP_MULLW, REGTMP, REGTMP, p->from.reg); 536 o3 = AOP_RRR(OP_SUBF|t, p->to.reg, REGTMP, r); 537 break; 538 539 case 52: /* mtfsbNx cr(n) */ 540 v = regoff(&p->from)&31L; 541 o1 = AOP_RRR(oprrr(p->as), v, 0, 0); 542 break; 543 544 case 53: /* mffsX ,fr1 */ 545 o1 = AOP_RRR(OP_MFFS, p->to.reg, 0, 0); 546 break; 547 548 case 54: /* mov msr,r1; mov r1, msr*/ 549 if(oclass(p->from) == C_REG) 550 o1 = AOP_RRR(OP_MTMSR, p->from.reg, 0, 0); 551 else 552 o1 = AOP_RRR(OP_MFMSR, p->to.reg, 0, 0); 553 break; 554 555 case 55: /* mov sreg,r1; mov r1,sreg */ 556 v = 0; 557 if(p->from.type == D_SREG) { 558 r = p->from.reg; 559 o1 = OP_MFSR; 560 if(r == NREG && p->reg != NREG) { 561 r = 0; 562 v = p->reg; 563 o1 = OP_MFSRIN; 564 } 565 o1 = AOP_RRR(o1, p->to.reg, r&15L, v); 566 } else { 567 r = p->to.reg; 568 o1 = OP_MTSR; 569 if(r == NREG && p->reg != NREG) { 570 r = 0; 571 v = p->reg; 572 o1 = OP_MTSRIN; 573 } 574 o1 = AOP_RRR(o1, p->from.reg, r&15L, v); 575 } 576 if(r == NREG) 577 diag("illegal move indirect to/from segment register\n%P", p); 578 break; 579 580 case 56: /* sra $sh,[s,]a */ 581 v = regoff(&p->from); 582 r = p->reg; 583 if(r == NREG) 584 r = p->to.reg; 585 o1 = AOP_RRR(opirr(p->as), r, p->to.reg, v&31L); 586 break; 587 588 case 57: /* slw $sh,[s,]a -> rlwinm ... */ 589 v = regoff(&p->from); 590 r = p->reg; 591 if(r == NREG) 592 r = p->to.reg; 593 /* 594 * Let user (gs) shoot himself in the foot. 595 * qc has already complained. 596 * 597 if(v < 0 || v > 31) 598 diag("illegal shift %ld\n%P", v, p); 599 */ 600 if(v < 0) 601 v = 0; 602 else if(v > 32) 603 v = 32; 604 if(p->as == ASRW || p->as == ASRWCC) { /* shift right */ 605 mask[0] = v; 606 mask[1] = 31; 607 v = 32-v; 608 } else { 609 mask[0] = 0; 610 mask[1] = 31-v; 611 } 612 o1 = OP_RLW(OP_RLWINM, p->to.reg, r, v, mask[0], mask[1]); 613 if(p->as == ASLWCC || p->as == ASRWCC) 614 o1 |= 1; /* Rc */ 615 break; 616 617 case 58: /* logical $andcon,[s],a */ 618 v = regoff(&p->from); 619 r = p->reg; 620 if(r == NREG) 621 r = p->to.reg; 622 o1 = LOP_IRR(opirr(p->as), p->to.reg, r, v); 623 break; 624 625 case 59: /* or/and $ucon,,r */ 626 v = regoff(&p->from); 627 r = p->reg; 628 if(r == NREG) 629 r = p->to.reg; 630 o1 = LOP_IRR(opirr(p->as+AEND), p->to.reg, r, v>>16); /* oris, xoris, andis */ 631 break; 632 633 case 60: /* tw to,a,b */ 634 r = regoff(&p->from)&31L; 635 o1 = AOP_RRR(oprrr(p->as), r, p->reg, p->to.reg); 636 break; 637 638 case 61: /* tw to,a,$simm */ 639 r = regoff(&p->from)&31L; 640 v = regoff(&p->to); 641 o1 = AOP_IRR(opirr(p->as), r, p->reg, v); 642 break; 643 644 case 62: /* rlwmi $sh,s,$mask,a */ 645 v = regoff(&p->from); 646 maskgen(p, mask, regoff(&p->from3)); 647 o1 = AOP_RRR(opirr(p->as), p->reg, p->to.reg, v); 648 o1 |= ((mask[0]&31L)<<6)|((mask[1]&31L)<<1); 649 break; 650 651 case 63: /* rlwmi b,s,$mask,a */ 652 maskgen(p, mask, regoff(&p->from3)); 653 o1 = AOP_RRR(opirr(p->as), p->reg, p->to.reg, p->from.reg); 654 o1 |= ((mask[0]&31L)<<6)|((mask[1]&31L)<<1); 655 break; 656 657 case 64: /* mtfsf fr[, $m] {,fpcsr} */ 658 if(p->from3.type != D_NONE) 659 v = regoff(&p->from3)&255L; 660 else 661 v = 255; 662 o1 = OP_MTFSF | (v<<17) | (p->from.reg<<11); 663 break; 664 665 case 65: /* MOVFL $imm,FPSCR(n) => mtfsfi crfd,imm */ 666 if(p->to.reg == NREG) 667 diag("must specify FPSCR(n)\n%P", p); 668 o1 = OP_MTFSFI | ((p->to.reg&15L)<<23) | ((regoff(&p->from)&31L)<<12); 669 break; 670 671 case 66: /* mov spr,r1; mov r1,spr, also dcr */ 672 if(p->from.type == D_REG) { 673 r = p->from.reg; 674 v = p->to.offset; 675 if(p->to.type == D_DCR) 676 o1 = OPVCC(31,451,0,0); /* mtdcr */ 677 else 678 o1 = OPVCC(31,467,0,0); /* mtspr */ 679 } else { 680 r = p->to.reg; 681 v = p->from.offset; 682 if(p->from.type == D_DCR) 683 o1 = OPVCC(31,323,0,0); /* mfdcr */ 684 else 685 o1 = OPVCC(31,339,0,0); /* mfspr */ 686 } 687 o1 = AOP_RRR(o1, r, 0, 0) | ((v&0x1f)<<16) | (((v>>5)&0x1f)<<11); 688 break; 689 690 case 67: /* mcrf crfD,crfS */ 691 if(p->from.type != D_CREG || p->from.reg == NREG || 692 p->to.type != D_CREG || p->to.reg == NREG) 693 diag("illegal CR field number\n%P", p); 694 o1 = AOP_RRR(OP_MCRF, ((p->to.reg&7L)<<2), ((p->from.reg&7)<<2), 0); 695 break; 696 697 case 68: /* mfcr rD */ 698 if(p->from.type == D_CREG && p->from.reg != NREG) 699 diag("must move whole CR to register\n%P", p); 700 o1 = AOP_RRR(OP_MFCR, p->to.reg, 0, 0); 701 break; 702 703 case 69: /* mtcrf CRM,rS */ 704 if(p->from3.type != D_NONE) { 705 if(p->to.reg != NREG) 706 diag("can't use both mask and CR(n)\n%P", p); 707 v = regoff(&p->from3) & 0xff; 708 } else { 709 if(p->to.reg == NREG) 710 v = 0xff; /* CR */ 711 else 712 v = 1<<(7-(p->to.reg&7)); /* CR(n) */ 713 } 714 o1 = AOP_RRR(OP_MTCRF, p->from.reg, 0, 0) | (v<<12); 715 break; 716 717 case 70: /* [f]cmp r,r,cr*/ 718 if(p->reg == NREG) 719 r = 0; 720 else 721 r = (p->reg&7)<<2; 722 o1 = AOP_RRR(oprrr(p->as), r, p->from.reg, p->to.reg); 723 break; 724 725 case 71: /* cmp[l] r,i,cr*/ 726 if(p->reg == NREG) 727 r = 0; 728 else 729 r = (p->reg&7)<<2; 730 o1 = AOP_RRR(opirr(p->as), r, p->from.reg, 0) | (regoff(&p->to)&0xffff); 731 break; 732 733 case 72: /* mcrxr crfD */ 734 if(p->to.reg == NREG) 735 diag("must move XER to CR(n)\n%P", p); 736 o1 = AOP_RRR(OP_MCRXR, ((p->to.reg&7L)<<2), 0, 0); 737 break; 738 739 case 73: /* mcrfs crfD,crfS */ 740 if(p->from.type != D_FPSCR || p->from.reg == NREG || 741 p->to.type != D_CREG || p->to.reg == NREG) 742 diag("illegal FPSCR/CR field number\n%P", p); 743 o1 = AOP_RRR(OP_MCRFS, ((p->to.reg&7L)<<2), ((p->from.reg&7)<<2), 0); 744 break; 745 746 /* relocation operations */ 747 748 case 74: 749 v = regoff(&p->to); 750 o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16); 751 o2 = AOP_IRR(opstore(p->as), p->from.reg, REGTMP, v); 752 if(dlm) 753 reloc(&p->to, p->pc, 1); 754 break; 755 756 case 75: 757 v = regoff(&p->from); 758 o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16); 759 o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v); 760 if(dlm) 761 reloc(&p->from, p->pc, 1); 762 break; 763 764 case 76: 765 v = regoff(&p->from); 766 o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, v>>16); 767 o2 = AOP_IRR(opload(p->as), p->to.reg, REGTMP, v); 768 o3 = LOP_RRR(OP_EXTSB, p->to.reg, p->to.reg, 0); 769 if(dlm) 770 reloc(&p->from, p->pc, 1); 771 break; 772 773 } 774 if(aflag) 775 return o1; 776 v = p->pc; 777 switch(o->size) { 778 default: 779 if(debug['a']) 780 Bprint(&bso, " %.8lux:\t\t%P\n", v, p); 781 break; 782 case 4: 783 if(debug['a']) 784 Bprint(&bso, " %.8lux: %.8lux\t%P\n", v, o1, p); 785 lput(o1); 786 break; 787 case 8: 788 if(debug['a']) 789 Bprint(&bso, " %.8lux: %.8lux %.8lux%P\n", v, o1, o2, p); 790 lput(o1); 791 lput(o2); 792 break; 793 case 12: 794 if(debug['a']) 795 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux%P\n", v, o1, o2, o3, p); 796 lput(o1); 797 lput(o2); 798 lput(o3); 799 break; 800 case 16: 801 if(debug['a']) 802 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux%P\n", 803 v, o1, o2, o3, o4, p); 804 lput(o1); 805 lput(o2); 806 lput(o3); 807 lput(o4); 808 break; 809 case 20: 810 if(debug['a']) 811 Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %.8lux%P\n", 812 v, o1, o2, o3, o4, o5, p); 813 lput(o1); 814 lput(o2); 815 lput(o3); 816 lput(o4); 817 lput(o5); 818 break; 819 } 820 return 0; 821 } 822 823 long 824 oprrr(int a) 825 { 826 switch(a) { 827 case AADD: return OPVCC(31,266,0,0); 828 case AADDCC: return OPVCC(31,266,0,1); 829 case AADDV: return OPVCC(31,266,1,0); 830 case AADDVCC: return OPVCC(31,266,1,1); 831 case AADDC: return OPVCC(31,10,0,0); 832 case AADDCCC: return OPVCC(31,10,0,1); 833 case AADDCV: return OPVCC(31,10,1,0); 834 case AADDCVCC: return OPVCC(31,10,1,1); 835 case AADDE: return OPVCC(31,138,0,0); 836 case AADDECC: return OPVCC(31,138,0,1); 837 case AADDEV: return OPVCC(31,138,1,0); 838 case AADDEVCC: return OPVCC(31,138,1,1); 839 case AADDME: return OPVCC(31,234,0,0); 840 case AADDMECC: return OPVCC(31,234,0,1); 841 case AADDMEV: return OPVCC(31,234,1,0); 842 case AADDMEVCC: return OPVCC(31,234,1,1); 843 case AADDZE: return OPVCC(31,202,0,0); 844 case AADDZECC: return OPVCC(31,202,0,1); 845 case AADDZEV: return OPVCC(31,202,1,0); 846 case AADDZEVCC: return OPVCC(31,202,1,1); 847 848 case AAND: return OPVCC(31,28,0,0); 849 case AANDCC: return OPVCC(31,28,0,1); 850 case AANDN: return OPVCC(31,60,0,0); 851 case AANDNCC: return OPVCC(31,60,0,1); 852 853 case ACMP: return OPVCC(31,0,0,0); 854 case ACMPU: return OPVCC(31,32,0,0); 855 856 case ACNTLZW: return OPVCC(31,26,0,0); 857 case ACNTLZWCC: return OPVCC(31,26,0,1); 858 859 case ACRAND: return OPVCC(19,257,0,0); 860 case ACRANDN: return OPVCC(19,129,0,0); 861 case ACREQV: return OPVCC(19,289,0,0); 862 case ACRNAND: return OPVCC(19,225,0,0); 863 case ACRNOR: return OPVCC(19,33,0,0); 864 case ACROR: return OPVCC(19,449,0,0); 865 case ACRORN: return OPVCC(19,417,0,0); 866 case ACRXOR: return OPVCC(19,193,0,0); 867 868 case ADCBF: return OPVCC(31,86,0,0); 869 case ADCBI: return OPVCC(31,470,0,0); 870 case ADCBST: return OPVCC(31,54,0,0); 871 case ADCBT: return OPVCC(31,278,0,0); 872 case ADCBTST: return OPVCC(31,246,0,0); 873 case ADCBZ: return OPVCC(31,1014,0,0); 874 875 case AREM: 876 case ADIVW: return OPVCC(31,491,0,0); 877 case AREMCC: 878 case ADIVWCC: return OPVCC(31,491,0,1); 879 case AREMV: 880 case ADIVWV: return OPVCC(31,491,1,0); 881 case AREMVCC: 882 case ADIVWVCC: return OPVCC(31,491,1,1); 883 case AREMU: 884 case ADIVWU: return OPVCC(31,459,0,0); 885 case AREMUCC: 886 case ADIVWUCC: return OPVCC(31,459,0,1); 887 case AREMUV: 888 case ADIVWUV: return OPVCC(31,459,1,0); 889 case AREMUVCC: 890 case ADIVWUVCC: return OPVCC(31,459,1,1); 891 892 case AEIEIO: return OPVCC(31,854,0,0); 893 894 case AEQV: return OPVCC(31,284,0,0); 895 case AEQVCC: return OPVCC(31,284,0,1); 896 897 case AEXTSB: return OPVCC(31,954,0,0); 898 case AEXTSBCC: return OPVCC(31,954,0,1); 899 case AEXTSH: return OPVCC(31,922,0,0); 900 case AEXTSHCC: return OPVCC(31,922,0,1); 901 902 case AFABS: return OPVCC(63,264,0,0); 903 case AFABSCC: return OPVCC(63,264,0,1); 904 case AFADD: return OPVCC(63,21,0,0); 905 case AFADDCC: return OPVCC(63,21,0,1); 906 case AFADDS: return OPVCC(59,21,0,0); 907 case AFADDSCC: return OPVCC(59,21,0,1); 908 case AFCMPO: return OPVCC(63,32,0,0); 909 case AFCMPU: return OPVCC(63,0,0,0); 910 case AFCTIW: return OPVCC(63,14,0,0); 911 case AFCTIWCC: return OPVCC(63,14,0,1); 912 case AFCTIWZ: return OPVCC(63,15,0,0); 913 case AFCTIWZCC: return OPVCC(63,15,0,1); 914 case AFDIV: return OPVCC(63,18,0,0); 915 case AFDIVCC: return OPVCC(63,18,0,1); 916 case AFDIVS: return OPVCC(59,18,0,0); 917 case AFDIVSCC: return OPVCC(59,18,0,1); 918 case AFMADD: return OPVCC(63,29,0,0); 919 case AFMADDCC: return OPVCC(63,29,0,1); 920 case AFMADDS: return OPVCC(59,29,0,0); 921 case AFMADDSCC: return OPVCC(59,29,0,1); 922 case AFMOVS: 923 case AFMOVD: return OPVCC(63,72,0,0); /* load */ 924 case AFMOVDCC: return OPVCC(63,72,0,1); 925 case AFMSUB: return OPVCC(63,28,0,0); 926 case AFMSUBCC: return OPVCC(63,28,0,1); 927 case AFMSUBS: return OPVCC(59,28,0,0); 928 case AFMSUBSCC: return OPVCC(59,28,0,1); 929 case AFMUL: return OPVCC(63,25,0,0); 930 case AFMULCC: return OPVCC(63,25,0,1); 931 case AFMULS: return OPVCC(59,25,0,0); 932 case AFMULSCC: return OPVCC(59,25,0,1); 933 case AFNABS: return OPVCC(63,136,0,0); 934 case AFNABSCC: return OPVCC(63,136,0,1); 935 case AFNEG: return OPVCC(63,40,0,0); 936 case AFNEGCC: return OPVCC(63,40,0,1); 937 case AFNMADD: return OPVCC(63,31,0,0); 938 case AFNMADDCC: return OPVCC(63,31,0,1); 939 case AFNMADDS: return OPVCC(59,31,0,0); 940 case AFNMADDSCC: return OPVCC(59,31,0,1); 941 case AFNMSUB: return OPVCC(63,30,0,0); 942 case AFNMSUBCC: return OPVCC(63,30,0,1); 943 case AFNMSUBS: return OPVCC(59,30,0,0); 944 case AFNMSUBSCC: return OPVCC(59,30,0,1); 945 case AFRSP: return OPVCC(63,12,0,0); 946 case AFRSPCC: return OPVCC(63,12,0,1); 947 case AFSUB: return OPVCC(63,20,0,0); 948 case AFSUBCC: return OPVCC(63,20,0,1); 949 case AFSUBS: return OPVCC(59,20,0,0); 950 case AFSUBSCC: return OPVCC(59,20,0,1); 951 952 case AICBI: return OPVCC(31,982,0,0); 953 case AISYNC: return OPVCC(19,150,0,0); 954 955 /* lscb etc are not PowerPC instructions */ 956 957 case AMTFSB0: return OPVCC(63,70,0,0); 958 case AMTFSB0CC: return OPVCC(63,70,0,1); 959 case AMTFSB1: return OPVCC(63,38,0,0); 960 case AMTFSB1CC: return OPVCC(63,38,0,1); 961 962 case AMULHW: return OPVCC(31,75,0,0); 963 case AMULHWCC: return OPVCC(31,75,0,1); 964 case AMULHWU: return OPVCC(31,11,0,0); 965 case AMULHWUCC: return OPVCC(31,11,0,1); 966 case AMULLW: return OPVCC(31,235,0,0); 967 case AMULLWCC: return OPVCC(31,235,0,1); 968 case AMULLWV: return OPVCC(31,235,1,0); 969 case AMULLWVCC: return OPVCC(31,235,1,1); 970 971 /* the following group is only available on IBM embedded powerpc */ 972 case AMACCHW: return OPVCC(4,172,0,0); 973 case AMACCHWCC: return OPVCC(4,172,0,1); 974 case AMACCHWS: return OPVCC(4,236,0,0); 975 case AMACCHWSCC: return OPVCC(4,236,0,1); 976 case AMACCHWSU: return OPVCC(4,204,0,0); 977 case AMACCHWSUCC: return OPVCC(4,204,0,1); 978 case AMACCHWSUV: return OPVCC(4,204,1,0); 979 case AMACCHWSUVCC: return OPVCC(4,204,1,1); 980 case AMACCHWSV: return OPVCC(4,236,1,0); 981 case AMACCHWSVCC: return OPVCC(4,236,1,1); 982 case AMACCHWU: return OPVCC(4,140,0,0); 983 case AMACCHWUCC: return OPVCC(4,140,0,1); 984 case AMACCHWUV: return OPVCC(4,140,1,0); 985 case AMACCHWUVCC: return OPVCC(4,140,1,1); 986 case AMACCHWV: return OPVCC(4,172,1,0); 987 case AMACCHWVCC: return OPVCC(4,172,1,1); 988 case AMACHHW: return OPVCC(4,44,0,0); 989 case AMACHHWCC: return OPVCC(4,44,0,1); 990 case AMACHHWS: return OPVCC(4,108,0,0); 991 case AMACHHWSCC: return OPVCC(4,108,0,1); 992 case AMACHHWSU: return OPVCC(4,76,0,0); 993 case AMACHHWSUCC: return OPVCC(4,76,0,1); 994 case AMACHHWSUV: return OPVCC(4,76,1,0); 995 case AMACHHWSUVCC: return OPVCC(4,76,1,1); 996 case AMACHHWSV: return OPVCC(4,108,1,0); 997 case AMACHHWSVCC: return OPVCC(4,108,1,1); 998 case AMACHHWU: return OPVCC(4,12,0,0); 999 case AMACHHWUCC: return OPVCC(4,12,0,1); 1000 case AMACHHWUV: return OPVCC(4,12,1,0); 1001 case AMACHHWUVCC: return OPVCC(4,12,1,1); 1002 case AMACHHWV: return OPVCC(4,44,1,0); 1003 case AMACHHWVCC: return OPVCC(4,44,1,1); 1004 case AMACLHW: return OPVCC(4,428,0,0); 1005 case AMACLHWCC: return OPVCC(4,428,0,1); 1006 case AMACLHWS: return OPVCC(4,492,0,0); 1007 case AMACLHWSCC: return OPVCC(4,492,0,1); 1008 case AMACLHWSU: return OPVCC(4,460,0,0); 1009 case AMACLHWSUCC: return OPVCC(4,460,0,1); 1010 case AMACLHWSUV: return OPVCC(4,460,1,0); 1011 case AMACLHWSUVCC: return OPVCC(4,460,1,1); 1012 case AMACLHWSV: return OPVCC(4,492,1,0); 1013 case AMACLHWSVCC: return OPVCC(4,492,1,1); 1014 case AMACLHWU: return OPVCC(4,396,0,0); 1015 case AMACLHWUCC: return OPVCC(4,396,0,1); 1016 case AMACLHWUV: return OPVCC(4,396,1,0); 1017 case AMACLHWUVCC: return OPVCC(4,396,1,1); 1018 case AMACLHWV: return OPVCC(4,428,1,0); 1019 case AMACLHWVCC: return OPVCC(4,428,1,1); 1020 case AMULCHW: return OPVCC(4,168,0,0); 1021 case AMULCHWCC: return OPVCC(4,168,0,1); 1022 case AMULCHWU: return OPVCC(4,136,0,0); 1023 case AMULCHWUCC: return OPVCC(4,136,0,1); 1024 case AMULHHW: return OPVCC(4,40,0,0); 1025 case AMULHHWCC: return OPVCC(4,40,0,1); 1026 case AMULHHWU: return OPVCC(4,8,0,0); 1027 case AMULHHWUCC: return OPVCC(4,8,0,1); 1028 case AMULLHW: return OPVCC(4,424,0,0); 1029 case AMULLHWCC: return OPVCC(4,424,0,1); 1030 case AMULLHWU: return OPVCC(4,392,0,0); 1031 case AMULLHWUCC: return OPVCC(4,392,0,1); 1032 case ANMACCHW: return OPVCC(4,174,0,0); 1033 case ANMACCHWCC: return OPVCC(4,174,0,1); 1034 case ANMACCHWS: return OPVCC(4,238,0,0); 1035 case ANMACCHWSCC: return OPVCC(4,238,0,1); 1036 case ANMACCHWSV: return OPVCC(4,238,1,0); 1037 case ANMACCHWSVCC: return OPVCC(4,238,1,1); 1038 case ANMACCHWV: return OPVCC(4,174,1,0); 1039 case ANMACCHWVCC: return OPVCC(4,174,1,1); 1040 case ANMACHHW: return OPVCC(4,46,0,0); 1041 case ANMACHHWCC: return OPVCC(4,46,0,1); 1042 case ANMACHHWS: return OPVCC(4,110,0,0); 1043 case ANMACHHWSCC: return OPVCC(4,110,0,1); 1044 case ANMACHHWSV: return OPVCC(4,110,1,0); 1045 case ANMACHHWSVCC: return OPVCC(4,110,1,1); 1046 case ANMACHHWV: return OPVCC(4,46,1,0); 1047 case ANMACHHWVCC: return OPVCC(4,46,1,1); 1048 case ANMACLHW: return OPVCC(4,430,0,0); 1049 case ANMACLHWCC: return OPVCC(4,430,0,1); 1050 case ANMACLHWS: return OPVCC(4,494,0,0); 1051 case ANMACLHWSCC: return OPVCC(4,494,0,1); 1052 case ANMACLHWSV: return OPVCC(4,494,1,0); 1053 case ANMACLHWSVCC: return OPVCC(4,494,1,1); 1054 case ANMACLHWV: return OPVCC(4,430,1,0); 1055 case ANMACLHWVCC: return OPVCC(4,430,1,1); 1056 1057 case ANAND: return OPVCC(31,476,0,0); 1058 case ANANDCC: return OPVCC(31,476,0,1); 1059 case ANEG: return OPVCC(31,104,0,0); 1060 case ANEGCC: return OPVCC(31,104,0,1); 1061 case ANEGV: return OPVCC(31,104,1,0); 1062 case ANEGVCC: return OPVCC(31,104,1,1); 1063 case ANOR: return OPVCC(31,124,0,0); 1064 case ANORCC: return OPVCC(31,124,0,1); 1065 case AOR: return OPVCC(31,444,0,0); 1066 case AORCC: return OPVCC(31,444,0,1); 1067 case AORN: return OPVCC(31,412,0,0); 1068 case AORNCC: return OPVCC(31,412,0,1); 1069 1070 case ARFI: return OPVCC(19,50,0,0); 1071 case ARFCI: return OPVCC(19,51,0,0); 1072 1073 case ARLWMI: return OPVCC(20,0,0,0); 1074 case ARLWMICC: return OPVCC(20,0,0,1); 1075 case ARLWNM: return OPVCC(23,0,0,0); 1076 case ARLWNMCC: return OPVCC(23,0,0,1); 1077 1078 case ASYSCALL: return OPVCC(17,1,0,0); 1079 1080 case ASLW: return OPVCC(31,24,0,0); 1081 case ASLWCC: return OPVCC(31,24,0,1); 1082 1083 case ASRAW: return OPVCC(31,792,0,0); 1084 case ASRAWCC: return OPVCC(31,792,0,1); 1085 1086 case ASRW: return OPVCC(31,536,0,0); 1087 case ASRWCC: return OPVCC(31,536,0,1); 1088 1089 case ASUB: return OPVCC(31,40,0,0); 1090 case ASUBCC: return OPVCC(31,40,0,1); 1091 case ASUBV: return OPVCC(31,40,1,0); 1092 case ASUBVCC: return OPVCC(31,40,1,1); 1093 case ASUBC: return OPVCC(31,8,0,0); 1094 case ASUBCCC: return OPVCC(31,8,0,1); 1095 case ASUBCV: return OPVCC(31,8,1,0); 1096 case ASUBCVCC: return OPVCC(31,8,1,1); 1097 case ASUBE: return OPVCC(31,136,0,0); 1098 case ASUBECC: return OPVCC(31,136,0,1); 1099 case ASUBEV: return OPVCC(31,136,1,0); 1100 case ASUBEVCC: return OPVCC(31,136,1,1); 1101 case ASUBME: return OPVCC(31,232,0,0); 1102 case ASUBMECC: return OPVCC(31,232,0,1); 1103 case ASUBMEV: return OPVCC(31,232,1,0); 1104 case ASUBMEVCC: return OPVCC(31,232,1,1); 1105 case ASUBZE: return OPVCC(31,200,0,0); 1106 case ASUBZECC: return OPVCC(31,200,0,1); 1107 case ASUBZEV: return OPVCC(31,200,1,0); 1108 case ASUBZEVCC: return OPVCC(31,200,1,1); 1109 1110 case ASYNC: return OPVCC(31,598,0,0); 1111 case ATLBIE: return OPVCC(31,306,0,0); 1112 case ATW: return OPVCC(31,4,0,0); 1113 1114 case AXOR: return OPVCC(31,316,0,0); 1115 case AXORCC: return OPVCC(31,316,0,1); 1116 } 1117 diag("bad r/r opcode %A", a); 1118 return 0; 1119 } 1120 1121 long 1122 opirr(int a) 1123 { 1124 switch(a) { 1125 case AADD: return OPVCC(14,0,0,0); 1126 case AADDC: return OPVCC(12,0,0,0); 1127 case AADDCCC: return OPVCC(13,0,0,0); 1128 case AADD+AEND: return OPVCC(15,0,0,0); /* ADDIS/CAU */ 1129 1130 case AANDCC: return OPVCC(28,0,0,0); 1131 case AANDCC+AEND: return OPVCC(29,0,0,0); /* ANDIS./ANDIU. */ 1132 1133 case ABR: return OPVCC(18,0,0,0); 1134 case ABL: return OPVCC(18,0,0,0) | 1; 1135 case ABC: return OPVCC(16,0,0,0); 1136 case ABCL: return OPVCC(16,0,0,0) | 1; 1137 1138 case ABEQ: return AOP_RRR(16<<26,12,2,0); 1139 case ABGE: return AOP_RRR(16<<26,4,0,0); 1140 case ABGT: return AOP_RRR(16<<26,12,1,0); 1141 case ABLE: return AOP_RRR(16<<26,4,1,0); 1142 case ABLT: return AOP_RRR(16<<26,12,0,0); 1143 case ABNE: return AOP_RRR(16<<26,4,2,0); 1144 case ABVC: return AOP_RRR(16<<26,4,3,0); 1145 case ABVS: return AOP_RRR(16<<26,12,3,0); 1146 1147 case ACMP: return OPVCC(11,0,0,0); 1148 case ACMPU: return OPVCC(10,0,0,0); 1149 case ALSW: return OPVCC(31,597,0,0); 1150 1151 case AMULLW: return OPVCC(7,0,0,0); 1152 1153 case AOR: return OPVCC(24,0,0,0); 1154 case AOR+AEND: return OPVCC(25,0,0,0); /* ORIS/ORIU */ 1155 1156 case ARLWMI: return OPVCC(20,0,0,0); /* rlwimi */ 1157 case ARLWMICC: return OPVCC(20,0,0,1); 1158 1159 case ARLWNM: return OPVCC(21,0,0,0); /* rlwinm */ 1160 case ARLWNMCC: return OPVCC(21,0,0,1); 1161 1162 case ASRAW: return OPVCC(31,824,0,0); 1163 case ASRAWCC: return OPVCC(31,824,0,1); 1164 1165 case ASTSW: return OPVCC(31,725,0,0); 1166 1167 case ASUBC: return OPVCC(8,0,0,0); 1168 1169 case ATW: return OPVCC(3,0,0,0); 1170 1171 case AXOR: return OPVCC(26,0,0,0); /* XORIL */ 1172 case AXOR+AEND: return OPVCC(27,0,0,0); /* XORIU */ 1173 } 1174 diag("bad opcode i/r %A", a); 1175 return 0; 1176 } 1177 1178 /* 1179 * load o(a),d 1180 */ 1181 long 1182 opload(int a) 1183 { 1184 switch(a) { 1185 case AMOVW: return OPVCC(32,0,0,0); /* lwz */ 1186 case AMOVWU: return OPVCC(33,0,0,0); /* lwzu */ 1187 case AMOVB: 1188 case AMOVBZ: return OPVCC(34,0,0,0); /* load */ 1189 case AMOVBU: 1190 case AMOVBZU: return OPVCC(35,0,0,0); 1191 case AFMOVD: return OPVCC(50,0,0,0); 1192 case AFMOVDU: return OPVCC(51,0,0,0); 1193 case AFMOVS: return OPVCC(48,0,0,0); 1194 case AFMOVSU: return OPVCC(49,0,0,0); 1195 case AMOVH: return OPVCC(42,0,0,0); 1196 case AMOVHU: return OPVCC(43,0,0,0); 1197 case AMOVHZ: return OPVCC(40,0,0,0); 1198 case AMOVHZU: return OPVCC(41,0,0,0); 1199 case AMOVMW: return OPVCC(46,0,0,0); /* lmw */ 1200 } 1201 diag("bad load opcode %A", a); 1202 return 0; 1203 } 1204 1205 /* 1206 * indexed load a(b),d 1207 */ 1208 long 1209 oploadx(int a) 1210 { 1211 switch(a) { 1212 case AMOVW: return OPVCC(31,23,0,0); /* lwzx */ 1213 case AMOVWU: return OPVCC(31,55,0,0); /* lwzux */ 1214 case AMOVB: 1215 case AMOVBZ: return OPVCC(31,87,0,0); /* lbzx */ 1216 case AMOVBU: 1217 case AMOVBZU: return OPVCC(31,119,0,0); /* lbzux */ 1218 case AFMOVD: return OPVCC(31,599,0,0); /* lfdx */ 1219 case AFMOVDU: return OPVCC(31,631,0,0); /* lfdux */ 1220 case AFMOVS: return OPVCC(31,535,0,0); /* lfsx */ 1221 case AFMOVSU: return OPVCC(31,567,0,0); /* lfsux */ 1222 case AMOVH: return OPVCC(31,343,0,0); /* lhax */ 1223 case AMOVHU: return OPVCC(31,375,0,0); /* lhaux */ 1224 case AMOVHBR: return OPVCC(31,790,0,0); /* lhbrx */ 1225 case AMOVWBR: return OPVCC(31,534,0,0); /* lwbrx */ 1226 case AMOVHZ: return OPVCC(31,279,0,0); /* lhzx */ 1227 case AMOVHZU: return OPVCC(31,311,0,0); /* lhzux */ 1228 case AECIWX: return OPVCC(31,310,0,0); /* eciwx */ 1229 case ALWAR: return OPVCC(31,20,0,0); /* lwarx */ 1230 case ALSW: return OPVCC(31,533,0,0); /* lswx */ 1231 } 1232 diag("bad loadx opcode %A", a); 1233 return 0; 1234 } 1235 1236 /* 1237 * store s,o(d) 1238 */ 1239 long 1240 opstore(int a) 1241 { 1242 switch(a) { 1243 case AMOVB: 1244 case AMOVBZ: return OPVCC(38,0,0,0); /* stb */ 1245 case AMOVBU: 1246 case AMOVBZU: return OPVCC(39,0,0,0); /* stbu */ 1247 case AFMOVD: return OPVCC(54,0,0,0); /* stfd */ 1248 case AFMOVDU: return OPVCC(55,0,0,0); /* stfdu */ 1249 case AFMOVS: return OPVCC(52,0,0,0); /* stfs */ 1250 case AFMOVSU: return OPVCC(53,0,0,0); /* stfsu */ 1251 case AMOVHZ: 1252 case AMOVH: return OPVCC(44,0,0,0); /* sth */ 1253 case AMOVHZU: 1254 case AMOVHU: return OPVCC(45,0,0,0); /* sthu */ 1255 case AMOVMW: return OPVCC(47,0,0,0); /* stmw */ 1256 case ASTSW: return OPVCC(31,725,0,0); /* stswi */ 1257 case AMOVW: return OPVCC(36,0,0,0); /* stw */ 1258 case AMOVWU: return OPVCC(37,0,0,0); /* stwu */ 1259 } 1260 diag("unknown store opcode %A", a); 1261 return 0; 1262 } 1263 1264 /* 1265 * indexed store s,a(b) 1266 */ 1267 long 1268 opstorex(int a) 1269 { 1270 switch(a) { 1271 case AMOVB: 1272 case AMOVBZ: return OPVCC(31,215,0,0); /* stbx */ 1273 case AMOVBU: 1274 case AMOVBZU: return OPVCC(31,247,0,0); /* stbux */ 1275 case AFMOVD: return OPVCC(31,727,0,0); /* stfdx */ 1276 case AFMOVDU: return OPVCC(31,759,0,0); /* stfdux */ 1277 case AFMOVS: return OPVCC(31,663,0,0); /* stfsx */ 1278 case AFMOVSU: return OPVCC(31,695,0,0); /* stfsux */ 1279 case AMOVHZ: 1280 case AMOVH: return OPVCC(31,407,0,0); /* sthx */ 1281 case AMOVHBR: return OPVCC(31,918,0,0); /* sthbrx */ 1282 case AMOVHZU: 1283 case AMOVHU: return OPVCC(31,439,0,0); /* sthux */ 1284 case AMOVW: return OPVCC(31,151,0,0); /* stwx */ 1285 case AMOVWU: return OPVCC(31,183,0,0); /* stwux */ 1286 case ASTSW: return OPVCC(31,661,0,0); /* stswx */ 1287 case AMOVWBR: return OPVCC(31,662,0,0); /* stwbrx */ 1288 case ASTWCCC: return OPVCC(31,150,0,1); /* stwcx. */ 1289 case AECOWX: return OPVCC(31,438,0,0); /* ecowx */ 1290 } 1291 diag("unknown storex opcode %A", a); 1292 return 0; 1293 } 1294