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->sreg2;
 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->sreg1);
 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->sreg2;
 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->sreg2;
 234         int size      = tree->unused;
 235         int nregs     = size / 4;
 236         int soffset   = tree->inst_imm;
 237         int i;
 238         if (start_reg != STK_BASE) {
 239                 for (i = 0; i < nregs; ++i) {
 240                         MONO_EMIT_NEW_LOAD_MEMBASE(s, start_reg, s->frame_reg,
 241                                                    tree->inst_offset);
 242                         soffset += sizeof(gpointer);
 243                 }
 244         } else {
 245                 int tmpr;
 246                 tmpr = mono_regstate_next_int (s->rs);
 247                 MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 248                                         s->stack_offset);
 249                 mini_emit_memcpy (s, s->frame_reg, soffset, tmpr,
 250                                   tree->sreg1, size, 0);
 251         }
 252 }
 253
 254 stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
 255         /* nothing to do: the value is already on the FP stack */
 256 }
 257
 258 stmt: CEE_BNE_UN (fpcflags) {
 259         tree->opcode = OP_FBNE_UN;
 260         mono_bblock_add_inst (s->cbb, tree);
 261 }
 262
 263 stmt: CEE_BEQ (fpcflags) {
 264         tree->opcode = OP_FBEQ;
 265         mono_bblock_add_inst (s->cbb, tree);
 266 }
 267
 268 stmt: CEE_BLT (fpcflags) {
 269         tree->opcode = OP_FBLT;
 270         mono_bblock_add_inst (s->cbb, tree);
 271 }
 272
 273 stmt: CEE_BLT_UN (fpcflags) {
 274         tree->opcode = OP_FBLT_UN;
 275         mono_bblock_add_inst (s->cbb, tree);
 276 }
 277
 278 stmt: CEE_BGT (fpcflags) {
 279         tree->opcode = OP_FBGT;
 280         mono_bblock_add_inst (s->cbb, tree);
 281 }
 282
 283 stmt: CEE_BGT_UN (fpcflags) {
 284         tree->opcode = OP_FBGT_UN;
 285         mono_bblock_add_inst (s->cbb, tree);
 286 }
 287
 288 stmt: CEE_BGE  (fpcflags) {
 289         tree->opcode = OP_FBGE;
 290         mono_bblock_add_inst (s->cbb, tree);
 291 }
 292
 293 stmt: CEE_BGE_UN (fpcflags) {
 294         tree->opcode = OP_FBGE_UN;
 295         mono_bblock_add_inst (s->cbb, tree);
 296 }
 297
 298 stmt: CEE_BLE  (fpcflags) {
 299         tree->opcode = OP_FBLE;
 300         mono_bblock_add_inst (s->cbb, tree);
 301 }
 302
 303 stmt: CEE_BLE_UN (fpcflags) {
 304         tree->opcode = OP_FBLE_UN;
 305         mono_bblock_add_inst (s->cbb, tree);
 306 }
 307
 308 stmt: CEE_POP (freg) "0" {
 309         /* nothing to do */
 310 }
 311
 312 freg: OP_LCONV_TO_R8 (lreg) {
 313         /* nothing to do - emulated */
 314 }
 315
 316 freg: OP_LCONV_TO_R4 (lreg) {
 317         /* nothing to do - emulated */
 318 }
 319
 320 freg: OP_LCONV_TO_R_UN (lreg) {
 321         /* nothing to do - emulated */
 322 }
 323
 324 freg: OP_FREM (freg, freg) {
 325         /* nothing to do - emulated */
 326 }
 327
 328 reg: OP_CEQ (OP_COMPARE (freg, freg)) {
 329         MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
 330                          state->left->right->reg1);
 331 }
 332
 333 reg: OP_CLT (OP_COMPARE (freg, freg)) {
 334         MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
 335                          state->left->right->reg1);
 336 }
 337
 338 reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {
 339         MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
 340                          state->left->right->reg1);
 341 }
 342
 343 reg: OP_CGT (OP_COMPARE (freg, freg)) {
 344         MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
 345                          state->left->right->reg1);
 346 }
 347
 348 reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {
 349         MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
 350                          state->left->right->reg1);
 351 }
 352
 353 base: OP_REGOFFSET "0" {
 354 }
 355
 356 base: OP_S390_STKARG "0" {
 357         int tmpr;
 358         tmpr = mono_regstate_next_int (s->rs);
 359         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 360                                 (s->stack_offset+state->tree->unused));
 361         tree->inst_offset  = state->tree->inst_offset;
 362         tree->inst_basereg = tmpr;
 363 }
 364
 365 base: OP_LDADDR (OP_S390_LOADARG) "0" {
 366         int tmpr;
 367         tmpr = mono_regstate_next_int (s->rs);
 368         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, s->frame_reg,
 369                                     state->left->tree->inst_offset);
 370         tree->inst_offset  = 0;
 371         tree->inst_basereg = tmpr;
 372 }
 373
 374 base: OP_LDADDR (OP_S390_ARGPTR) "0" {
 375         int tmpr;
 376         tmpr = mono_regstate_next_int (s->rs);
 377         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 378                                  state->left->tree->inst_offset);
 379         tree->inst_offset  = 0;
 380         tree->inst_basereg = tmpr;
 381 }
 382
 383 base: OP_LDADDR (OP_S390_STKARG) "0" {
 384         int tmpr;
 385         tmpr = mono_regstate_next_int (s->rs);
 386         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 387                                  (s->stack_offset + state->left->tree->unused));
 388         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, tmpr,
 389                                  state->left->tree->inst_offset);
 390         tree->inst_offset  = 0;
 391         tree->inst_basereg = tmpr;
 392 }
 393
 394 reg: OP_LDADDR (OP_S390_LOADARG) "2" {
 395         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 396                                  state->left->tree->inst_offset);
 397         tree->inst_offset  = 0;
 398         tree->inst_basereg = state->reg1;
 399 }
 400
 401 reg: OP_LDADDR (OP_S390_ARGPTR) "2" {
 402         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 403                                  state->left->tree->inst_offset);
 404         tree->inst_offset  = 0;
 405         tree->inst_basereg = state->reg1;
 406 }
 407
 408 reg: OP_LDADDR (OP_S390_STKARG) "2" {
 409         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 410                                  (s->stack_offset + state->left->tree->unused));
 411         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, state->reg1,
 412                                  state->left->tree->inst_offset);
 413         tree->inst_offset  = 0;
 414         tree->inst_basereg = state->reg1;
 415 }
 416
 417 reg: CEE_LDOBJ (OP_S390_LOADARG) "1" {
 418         int tmpr;
 419         tmpr = mono_regstate_next_int (s->rs);
 420         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, s->frame_reg,
 421                                     state->left->tree->inst_offset);
 422         tree->inst_offset  = 0;
 423         tree->inst_basereg = tmpr;
 424 }
 425
 426 reg: CEE_LDOBJ (OP_S390_ARGPTR) "1" {
 427         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 428                                  state->left->tree->inst_offset);
 429         tree->inst_offset  = 0;
 430         tree->inst_basereg = state->reg1;
 431 }
 432
 433 reg: CEE_LDOBJ (OP_S390_STKARG) "1" {
 434         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, s->frame_reg,
 435                                  (s->stack_offset + state->left->tree->unused));
 436         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, state->reg1, state->reg1,
 437                                  state->left->tree->inst_offset);
 438         tree->inst_offset  = 0;
 439         tree->inst_basereg = state->reg1;
 440 }
 441
 442 base: CEE_LDOBJ (OP_S390_ARGPTR) "0" {
 443         int tmpr;
 444         tmpr = mono_regstate_next_int (s->rs);
 445         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, s->frame_reg,
 446                                     state->left->tree->inst_offset);
 447         tree->inst_offset  = 0;
 448         tree->inst_basereg = tmpr;
 449 }
 450
 451 base: CEE_LDOBJ (OP_S390_STKARG) "0" {
 452         int tmpr;
 453         tmpr = mono_regstate_next_int (s->rs);
 454         MONO_EMIT_NEW_BIALU_IMM (s, OP_ADD_IMM, tmpr, s->frame_reg,
 455                                  (s->stack_offset + state->left->tree->unused));
 456         MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, tmpr, state->left->tree->inst_offset);
 457         tree->inst_offset  = 0;
 458         tree->inst_basereg = tmpr;
 459 }
 460
 461 %%