mono/mini/inssel-s390.brg

   1 %%
   2
   3 #
   4 # inssel-s390.brg: burg file for special s390 instructions
   5 #
   6 # Author:
   7 #   Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com)
   8 #   Dietmar Maurer (dietmar@ximian.com)
   9 #   Paolo Molaro (lupus@ximian.com)
  10 #
  11 # (C) 2002 Ximian, Inc.
  12 #
  13
  14 stmt: OP_START_HANDLER {
  15         MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
  16         tree->inst_left = spvar;
  17         mono_bblock_add_inst (s->cbb, tree);
  18 }
  19
  20 stmt: CEE_ENDFINALLY {
  21         MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
  22         tree->inst_left = spvar;
  23         mono_bblock_add_inst (s->cbb, tree);
  24 }
  25
  26 stmt: OP_ENDFILTER (reg) {
  27         MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
  28         tree->inst_left = spvar;
  29         tree->sreg1 = state->left->reg1;
  30         mono_bblock_add_inst (s->cbb, tree);
  31 }
  32
  33 stmt: CEE_STIND_I8 (OP_REGVAR, lreg) {
  34         /* this should only happen for methods returning a long */
  35         MONO_EMIT_NEW_UNALU (s, OP_MOVE, s390_r2, state->right->reg1);
  36         MONO_EMIT_NEW_UNALU (s, OP_MOVE, s390_r3, state->right->reg2);
  37 }
  38
  39 freg: OP_LCONV_TO_R8 (lreg) {
  40         mono_bblock_add_inst (s->cbb, tree);
  41 }
  42
  43 freg: OP_LCONV_TO_R4 (lreg) {
  44         mono_bblock_add_inst (s->cbb, tree);
  45 }
  46
  47 freg: CEE_CONV_R_UN (reg) {
  48         mono_bblock_add_inst (s->cbb, tree);
  49 }
  50
  51 reg: OP_LOCALLOC (OP_ICONST) {
  52         /* microcoded in mini-s390.c */
  53         tree->sreg1 = mono_regstate_next_int (s->rs);
  54         tree->dreg  = state->reg1;
  55         MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
  56         mono_bblock_add_inst (s->cbb, tree);
  57 }
  58
  59 reg: OP_LOCALLOC (reg) {
  60         tree->dreg = state->reg1;
  61         tree->sreg1 = state->left->reg1;
  62         mono_bblock_add_inst (s->cbb, tree);
  63 }
  64
  65 stmt: OP_SETRET (reg) {
  66         tree->opcode = OP_MOVE;
  67         tree->sreg1 = state->left->reg1;
  68         tree->dreg = s390_r2;
  69         mono_bblock_add_inst (s->cbb, tree);
  70 }
  71
  72 stmt: OP_SETRET (lreg) {
  73         tree->opcode = OP_SETLRET;
  74         tree->sreg1 = state->left->reg1;
  75         tree->sreg2 = state->left->reg2;
  76         mono_bblock_add_inst (s->cbb, tree);
  77 }
  78
  79 stmt: OP_SETRET (freg) {
  80         tree->opcode = OP_FMOVE;
  81         tree->sreg1 = state->left->reg1;
  82         tree->dreg = s390_f0;
  83         mono_bblock_add_inst (s->cbb, tree);
  84 }
  85
  86 stmt: OP_SETRET (OP_ICONST) {
  87         tree->opcode = OP_ICONST;
  88         tree->inst_c0 = state->left->tree->inst_c0;
  89         tree->dreg = s390_r2;
  90         mono_bblock_add_inst (s->cbb, tree);
  91 }
  92
  93 stmt: OP_OUTARG (reg) {
  94         if (tree->inst_imm) {
  95                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->reg1);
  96                 return;
  97         }
  98         tree->opcode = OP_SETREG;
  99         tree->dreg = tree->unused;
 100         tree->sreg1 = state->left->reg1;
 101         mono_bblock_add_inst (s->cbb, tree);
 102 }
 103
 104 stmt: OP_OUTARG (OP_REGVAR) {
 105         if (tree->inst_imm) {
 106                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->tree->dreg);
 107                 return;
 108         }
 109         tree->opcode = OP_SETREG;
 110         tree->dreg = tree->unused;
 111         tree->sreg1 = state->left->tree->dreg;
 112         mono_bblock_add_inst (s->cbb, tree);
 113 }
 114
 115 stmt: OP_OUTARG (lreg) {
 116         if (tree->inst_imm) {
 117                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->reg2);
 118                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, s->frame_reg, tree->inst_imm + 4, state->left->reg1);
 119                 return;
 120         }
 121         MONO_EMIT_NEW_UNALU (s, OP_SETREG, tree->unused, state->left->reg2);
 122         tree->opcode = OP_SETREG;
 123         tree->dreg = tree->unused + 1;
 124         tree->sreg1 = state->left->reg1;
 125         mono_bblock_add_inst (s->cbb, tree);
 126 }
 127
 128 stmt: OP_OUTARG (OP_ICONST) {
 129         if (tree->inst_imm) {
 130                 MONO_EMIT_NEW_STORE_MEMBASE_IMM (s, OP_STORE_MEMBASE_IMM, s->frame_reg, tree->inst_imm, state->left->tree->inst_c0);
 131                 return;
 132         }
 133         tree->opcode = OP_SETREGIMM;
 134         tree->dreg = tree->unused;
 135         tree->inst_c0 = state->left->tree->inst_c0;
 136         mono_bblock_add_inst (s->cbb, tree);
 137 }
 138
 139 stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
 140         if (tree->inst_imm) {
 141                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->left->tree->dreg);
 142                 return;
 143         }
 144         tree->opcode = OP_SETREG;
 145         tree->sreg1 = state->left->left->tree->dreg;
 146         tree->dreg = tree->unused;
 147         mono_bblock_add_inst (s->cbb, tree);
 148 }
 149
 150 stmt: OP_OUTARG (freg) {
 151         if (tree->inst_imm) {
 152                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER8_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->reg1);
 153                 return;
 154         }
 155         tree->opcode = OP_SETFREG;
 156         tree->sreg1 = state->left->reg1;
 157         tree->dreg = tree->unused;
 158         mono_bblock_add_inst (s->cbb, tree);
 159 }
 160
 161 stmt: OP_OUTARG_R4 (freg) {
 162         if (tree->inst_imm) {
 163                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER4_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->reg1);
 164                 return;
 165         }
 166         tree->opcode = OP_SETFREG;
 167         tree->sreg1 = state->left->reg1;
 168         tree->dreg = tree->unused;
 169         mono_bblock_add_inst (s->cbb, tree);
 170 }
 171
 172 stmt: OP_OUTARG_R8 (freg) {
 173         if (tree->inst_imm) {
 174                 MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER8_MEMBASE_REG, s->frame_reg, tree->inst_imm, state->left->reg1);
 175                 return;
 176         }
 177         tree->opcode = OP_SETFREG;
 178         tree->sreg1 = state->left->reg1;
 179         tree->dreg = tree->unused;
 180         mono_bblock_add_inst (s->cbb, tree);
 181 }
 182
 183 stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
 184         MonoInst *vt  = state->left->left->tree;
 185         int start_reg = tree->sreg1;
 186         int size      = tree->unused;
 187         int nregs     = size / 4;
 188         int soffset   = vt->inst_offset;
 189         int i, tmpr;
 190         if (size < 0) {
 191                 size = -size;
 192                 mini_emit_memcpy (s, s->frame_reg, tree->inst_imm,
 193                                   vt->inst_basereg, soffset, size, 0);
 194                 if (start_reg != STK_BASE) {
 195                         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, start_reg,
 196                                                  s->frame_reg, tree->sreg2);
 197                 }
 198         } else {
 199                 if (start_reg != STK_BASE) {
 200                         for (i = 0; i < nregs; ++i) {
 201                                 tmpr = mono_regstate_next_int (s->rs);
 202                                 MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, vt->inst_basereg,
 203                                                             soffset);
 204                                 MONO_EMIT_NEW_UNALU (s, OP_SETREG, start_reg + i, tmpr);
 205                                 soffset += sizeof (gpointer);
 206                         }
 207                 } else {
 208                         mini_emit_memcpy (s, s->frame_reg, tree->inst_imm,
 209                                           vt->inst_basereg, soffset, size, 0);
 210                 }
 211         }
 212 }
 213
 214 stmt: OP_OUTARG_VT (OP_ICONST) {
 215         int start_reg = tree->sreg1;
 216         int size      = tree->unused;
 217         int nregs     = size / 4;
 218         int i;
 219         if (start_reg != STK_BASE) {
 220                 if (nregs) {
 221                         tree->opcode  = OP_SETREGIMM;
 222                         tree->dreg    = start_reg;
 223                         tree->inst_c0 = state->left->tree->inst_c0;
 224                         mono_bblock_add_inst (s->cbb, tree);
 225                 }
 226         } else {
 227                 mini_emit_memcpy (s, s->frame_reg, tree->inst_c0, STK_BASE,
 228                                   tree->inst_offset, size, 0);
 229         }
 230 }
 231
 232 stmt: OP_OUTARG_VT (reg) {
 233         int start_reg = tree->sreg1;
 234         int size      = tree->unused;
 235         int nregs     = size / 4;
 236         int soffset   = tree->inst_offset;
 237         int i;
 238
 239         if (size < 0) {
 240                 size = -size;
 241                 mini_emit_memcpy (s, s->frame_reg, tree->inst_imm,
 242                                   tree->inst_basereg, soffset, size, 0);
 243                 if (start_reg != STK_BASE) {
 244                         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, start_reg,
 245                                                  s->frame_reg, tree->sreg2);
 246                 }
 247         } else {
 248                 if (start_reg != STK_BASE) {
 249                         for (i = 0; i < nregs; ++i) {
 250                                 MONO_EMIT_NEW_LOAD_MEMBASE(s, start_reg + i,
 251                                                            s->frame_reg,
 252                                                            soffset);
 253                                 soffset += sizeof(gpointer);
 254                         }
 255                 } else {
 256                         int tmpr;
 257                         tmpr = mono_regstate_next_int (s->rs);
 258                         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 259                                                 s->stack_offset);
 260                         mini_emit_memcpy (s, s->frame_reg, soffset, tmpr,
 261                                           tree->sreg2, size, 0);
 262                 }
 263         }
 264 }
 265
 266 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
 267         /* nothing to do: the value is already on the FP stack */
 268 }
 269
 270 stmt: CEE_BNE_UN (fpcflags) {
 271         tree->opcode = OP_FBNE_UN;
 272         mono_bblock_add_inst (s->cbb, tree);
 273 }
 274
 275 stmt: CEE_BEQ (fpcflags) {
 276         tree->opcode = OP_FBEQ;
 277         mono_bblock_add_inst (s->cbb, tree);
 278 }
 279
 280 stmt: CEE_BLT (fpcflags) {
 281         tree->opcode = OP_FBLT;
 282         mono_bblock_add_inst (s->cbb, tree);
 283 }
 284
 285 stmt: CEE_BLT_UN (fpcflags) {
 286         tree->opcode = OP_FBLT_UN;
 287         mono_bblock_add_inst (s->cbb, tree);
 288 }
 289
 290 stmt: CEE_BGT (fpcflags) {
 291         tree->opcode = OP_FBGT;
 292         mono_bblock_add_inst (s->cbb, tree);
 293 }
 294
 295 stmt: CEE_BGT_UN (fpcflags) {
 296         tree->opcode = OP_FBGT_UN;
 297         mono_bblock_add_inst (s->cbb, tree);
 298 }
 299
 300 stmt: CEE_BGE  (fpcflags) {
 301         tree->opcode = OP_FBGE;
 302         mono_bblock_add_inst (s->cbb, tree);
 303 }
 304
 305 stmt: CEE_BGE_UN (fpcflags) {
 306         tree->opcode = OP_FBGE_UN;
 307         mono_bblock_add_inst (s->cbb, tree);
 308 }
 309
 310 stmt: CEE_BLE  (fpcflags) {
 311         tree->opcode = OP_FBLE;
 312         mono_bblock_add_inst (s->cbb, tree);
 313 }
 314
 315 stmt: CEE_BLE_UN (fpcflags) {
 316         tree->opcode = OP_FBLE_UN;
 317         mono_bblock_add_inst (s->cbb, tree);
 318 }
 319
 320 stmt: CEE_POP (freg) "0" {
 321         /* nothing to do */
 322 }
 323
 324 freg: OP_LCONV_TO_R8 (lreg) {
 325         /* nothing to do - emulated */
 326 }
 327
 328 freg: OP_LCONV_TO_R4 (lreg) {
 329         /* nothing to do - emulated */
 330 }
 331
 332 freg: OP_LCONV_TO_R_UN (lreg) {
 333         /* nothing to do - emulated */
 334 }
 335
 336 freg: OP_FREM (freg, freg) {
 337         /* nothing to do - emulated */
 338 }
 339
 340 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
 341         MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
 342                          state->left->right->reg1);
 343 }
 344
 345 reg: OP_CLT (OP_COMPARE (freg, freg)) {
 346         MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
 347                          state->left->right->reg1);
 348 }
 349
 350 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
 351         MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
 352                          state->left->right->reg1);
 353 }
 354
 355 reg: OP_CGT (OP_COMPARE (freg, freg)) {
 356         MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
 357                          state->left->right->reg1);
 358 }
 359
 360 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
 361         MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
 362                          state->left->right->reg1);
 363 }
 364
 365 base: OP_REGOFFSET "0" {
 366 }
 367
 368 base: OP_S390_STKARG "0" {
 369         int tmpr;
 370         tmpr = mono_regstate_next_int (s->rs);
 371         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 372                                 (s->stack_offset+state->tree->unused));
 373         tree->inst_offset  = state->tree->inst_offset;
 374         tree->inst_basereg = tmpr;
 375 }
 376
 377 base: OP_LDADDR (OP_S390_LOADARG) "0" {
 378         int tmpr;
 379         tmpr = mono_regstate_next_int (s->rs);
 380         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, s->frame_reg,
 381                                     state->left->tree->inst_offset);
 382         tree->inst_offset  = 0;
 383         tree->inst_basereg = tmpr;
 384 }
 385
 386 base: OP_LDADDR (OP_S390_ARGPTR) "0" {
 387         int tmpr;
 388         tmpr = mono_regstate_next_int (s->rs);
 389         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 390                                  state->left->tree->inst_offset);
 391         tree->inst_offset  = 0;
 392         tree->inst_basereg = tmpr;
 393 }
 394
 395 base: OP_LDADDR (OP_S390_STKARG) "0" {
 396         int tmpr;
 397         tmpr = mono_regstate_next_int (s->rs);
 398         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 399                                  (s->stack_offset + state->left->tree->unused));
 400         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, tmpr,
 401                                  state->left->tree->inst_offset);
 402         tree->inst_offset  = 0;
 403         tree->inst_basereg = tmpr;
 404 }
 405
 406 reg: OP_LDADDR (OP_S390_LOADARG) "2" {
 407         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 408                                  state->left->tree->inst_offset);
 409         tree->inst_offset  = 0;
 410         tree->inst_basereg = state->reg1;
 411 }
 412
 413 reg: OP_LDADDR (OP_S390_ARGPTR) "2" {
 414         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 415                                  state->left->tree->inst_offset);
 416         tree->inst_offset  = 0;
 417         tree->inst_basereg = state->reg1;
 418 }
 419
 420 reg: OP_LDADDR (OP_S390_STKARG) "2" {
 421         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 422                                  (s->stack_offset + state->left->tree->unused));
 423         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, state->reg1,
 424                                  state->left->tree->inst_offset);
 425         tree->inst_offset  = 0;
 426         tree->inst_basereg = state->reg1;
 427 }
 428
 429 reg: CEE_LDOBJ (OP_S390_LOADARG) "1" {
 430         int tmpr;
 431         tmpr = mono_regstate_next_int (s->rs);
 432         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, s->frame_reg,
 433                                     state->left->tree->inst_offset);
 434         tree->inst_offset  = 0;
 435         tree->inst_basereg = tmpr;
 436 }
 437
 438 reg: CEE_LDOBJ (OP_S390_ARGPTR) "1" {
 439         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 440                                  state->left->tree->inst_offset);
 441         tree->inst_offset  = 0;
 442         tree->inst_basereg = state->reg1;
 443 }
 444
 445 reg: CEE_LDOBJ (OP_S390_STKARG) "1" {
 446         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 447                                  (s->stack_offset + state->left->tree->unused));
 448         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, state->reg1,
 449                                  state->left->tree->inst_offset);
 450         tree->inst_offset  = 0;
 451         tree->inst_basereg = state->reg1;
 452 }
 453
 454 base: CEE_LDOBJ (OP_S390_ARGPTR) "0" {
 455         int tmpr;
 456         tmpr = mono_regstate_next_int (s->rs);
 457         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, s->frame_reg,
 458                                     state->left->tree->inst_offset);
 459         tree->inst_offset  = 0;
 460         tree->inst_basereg = tmpr;
 461 }
 462
 463 base: CEE_LDOBJ (OP_S390_STKARG) "0" {
 464         int tmpr;
 465         tmpr = mono_regstate_next_int (s->rs);
 466         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 467                                  (s->stack_offset + state->left->tree->unused));
 468         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, tmpr, state->left->tree->inst_offset);
 469         tree->inst_offset  = 0;
 470         tree->inst_basereg = tmpr;
 471 }
 472
 473 %%