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