mono/mini/ir-emit.h

   1 /**
   2  * \file
   3  * IR Creation/Emission Macros
   4  *
   5  * Author:
   6  *   Zoltan Varga (vargaz@gmail.com)
   7  *
   8  * (C) 2002 Ximian, Inc.
   9  */
  10
  11 #ifndef __MONO_IR_EMIT_H__
  12 #define __MONO_IR_EMIT_H__
  13
  14 #include "mini.h"
  15
  16 G_BEGIN_DECLS
  17
  18 static inline guint32
  19 alloc_ireg (MonoCompile *cfg)
  20 {
  21         return cfg->next_vreg ++;
  22 }
  23
  24 static inline guint32
  25 alloc_preg (MonoCompile *cfg)
  26 {
  27         return alloc_ireg (cfg);
  28 }
  29
  30 static inline guint32
  31 alloc_lreg (MonoCompile *cfg)
  32 {
  33 #if SIZEOF_REGISTER == 8
  34         return cfg->next_vreg ++;
  35 #else
  36         /* Use a pair of consecutive vregs */
  37         guint32 res = cfg->next_vreg;
  38
  39         cfg->next_vreg += 3;
  40
  41         return res;
  42 #endif
  43 }
  44
  45 static inline guint32
  46 alloc_freg (MonoCompile *cfg)
  47 {
  48         if (mono_arch_is_soft_float ()) {
  49                 /* Allocate an lvreg so float ops can be decomposed into long ops */
  50                 return alloc_lreg (cfg);
  51         } else {
  52                 /* Allocate these from the same pool as the int regs */
  53                 return cfg->next_vreg ++;
  54         }
  55 }
  56
  57 static inline guint32
  58 alloc_ireg_ref (MonoCompile *cfg)
  59 {
  60         int vreg = alloc_ireg (cfg);
  61
  62         if (cfg->compute_gc_maps)
  63                 mono_mark_vreg_as_ref (cfg, vreg);
  64
  65         return vreg;
  66 }
  67
  68 static inline guint32
  69 alloc_ireg_mp (MonoCompile *cfg)
  70 {
  71         int vreg = alloc_ireg (cfg);
  72
  73         if (cfg->compute_gc_maps)
  74                 mono_mark_vreg_as_mp (cfg, vreg);
  75
  76         return vreg;
  77 }
  78
  79 static inline guint32
  80 alloc_xreg (MonoCompile *cfg)
  81 {
  82         return alloc_ireg (cfg);
  83 }
  84
  85 static inline guint32
  86 alloc_dreg (MonoCompile *cfg, MonoStackType stack_type)
  87 {
  88         switch (stack_type) {
  89         case STACK_I4:
  90         case STACK_PTR:
  91                 return alloc_ireg (cfg);
  92         case STACK_MP:
  93                 return alloc_ireg_mp (cfg);
  94         case STACK_OBJ:
  95                 return alloc_ireg_ref (cfg);
  96         case STACK_R4:
  97         case STACK_R8:
  98                 return alloc_freg (cfg);
  99         case STACK_I8:
 100                 return alloc_lreg (cfg);
 101         case STACK_VTYPE:
 102                 return alloc_ireg (cfg);
 103         default:
 104                 g_warning ("Unknown stack type %x\n", stack_type);
 105                 g_assert_not_reached ();
 106                 return -1;
 107         }
 108 }
 109
 110 /*
 111  * Macros used to generate intermediate representation macros
 112  *
 113  * The macros use a `MonoConfig` object as its context, and among other
 114  * things it is used to associate instructions with the memory pool with
 115  * it.
 116  *
 117  * The macros come in three variations with slightly different
 118  * features, the patter is: NEW_OP, EMIT_NEW_OP, MONO_EMIT_NEW_OP,
 119  * the differences are as follows:
 120  *
 121  * `NEW_OP`: these are the basic macros to setup an instruction that is
 122  * passed as an argument.
 123  *
 124  * `EMIT_NEW_OP`: these macros in addition to creating the instruction
 125  * add the instruction to the current basic block in the `MonoConfig`
 126  * object passed.   Usually these are used when further customization of
 127  * the `inst` parameter is desired before the instruction is added to the
 128  * MonoConfig current basic block.
 129  *
 130  * `MONO_EMIT_NEW_OP`: These variations of the instructions are used when
 131  * you are merely interested in emitting the instruction into the `MonoConfig`
 132  * parameter.
 133  */
 134 #undef MONO_INST_NEW
 135 /*
 136  * FIXME: zeroing out some fields is not needed with the new IR, but the old
 137  * JIT code still uses the left and right fields, so it has to stay.
 138  */
 139
 140 /*
 141  * MONO_INST_NEW: create a new MonoInst instance that is allocated on the MonoConfig pool.
 142  *
 143  * @cfg: the MonoConfig object that will be used as the context for the
 144  * instruction.
 145  * @dest: this is the place where the instance of the `MonoInst` is stored.
 146  * @op: the value that should be stored in the MonoInst.opcode field
 147  *
 148  * This initializes an empty MonoInst that has been nulled out, it is allocated
 149  * from the memory pool associated with the MonoConfig, but it is not linked anywhere.
 150  * the cil_code is set to the cfg->ip address.
 151  */
 152 #define MONO_INST_NEW(cfg,dest,op) do { \
 153                 (dest) = (MonoInst *)mono_mempool_alloc ((cfg)->mempool, sizeof (MonoInst));    \
 154                 (dest)->inst_i0 = (dest)->inst_i1 = 0; \
 155                 (dest)->next = (dest)->prev = NULL;    \
 156                 (dest)->opcode = (op);  \
 157         (dest)->flags = 0; \
 158         (dest)->type = 0; \
 159         (dest)->dreg = -1;  \
 160         MONO_INST_NULLIFY_SREGS ((dest));                   \
 161         (dest)->cil_code = (cfg)->ip;  \
 162         } while (0)
 163
 164 /*
 165  * Variants which take a dest argument and don't do an emit
 166  */
 167 #define NEW_ICONST(cfg,dest,val) do {   \
 168         MONO_INST_NEW ((cfg), (dest), OP_ICONST); \
 169                 (dest)->inst_c0 = (val);        \
 170                 (dest)->type = STACK_I4;        \
 171                 (dest)->dreg = alloc_dreg ((cfg), STACK_I4);    \
 172         } while (0)
 173
 174 /*
 175  * Avoid using this with a non-NULL val if possible as it is not AOT
 176  * compatible. Use one of the NEW_xxxCONST variants instead.
 177  */
 178 #define NEW_PCONST(cfg,dest,val) do {   \
 179         MONO_INST_NEW ((cfg), (dest), OP_PCONST); \
 180                 (dest)->inst_p0 = (val);        \
 181                 (dest)->type = STACK_PTR;       \
 182                 (dest)->dreg = alloc_dreg ((cfg), STACK_PTR);   \
 183         } while (0)
 184
 185 #define NEW_I8CONST(cfg,dest,val) do {  \
 186         MONO_INST_NEW ((cfg), (dest), OP_I8CONST); \
 187         (dest)->dreg = alloc_lreg ((cfg)); \
 188         (dest)->type = STACK_I8; \
 189         (dest)->inst_l = (val); \
 190         } while (0)
 191
 192 #define NEW_STORE_MEMBASE(cfg,dest,op,base,offset,sr) do { \
 193         MONO_INST_NEW ((cfg), (dest), (op)); \
 194         (dest)->sreg1 = sr; \
 195         (dest)->inst_destbasereg = base; \
 196         (dest)->inst_offset = offset; \
 197         } while (0)
 198
 199 #define NEW_LOAD_MEMBASE(cfg,dest,op,dr,base,offset) do { \
 200         MONO_INST_NEW ((cfg), (dest), (op)); \
 201         (dest)->dreg = (dr); \
 202         (dest)->inst_basereg = (base); \
 203         (dest)->inst_offset = (offset); \
 204         (dest)->type = STACK_I4; \
 205         } while (0)
 206
 207 #define NEW_LOAD_MEM(cfg,dest,op,dr,mem) do { \
 208         MONO_INST_NEW ((cfg), (dest), (op)); \
 209         (dest)->dreg = (dr); \
 210         (dest)->inst_p0 = (gpointer)(gssize)(mem); \
 211         (dest)->type = STACK_I4; \
 212         } while (0)
 213
 214 #define NEW_UNALU(cfg,dest,op,dr,sr1) do { \
 215         MONO_INST_NEW ((cfg), (dest), (op)); \
 216         (dest)->dreg = dr; \
 217         (dest)->sreg1 = sr1; \
 218     } while (0)
 219
 220 #define NEW_BIALU(cfg,dest,op,dr,sr1,sr2) do { \
 221         MONO_INST_NEW ((cfg), (dest), (op)); \
 222         (dest)->dreg = (dr); \
 223         (dest)->sreg1 = (sr1); \
 224         (dest)->sreg2 = (sr2); \
 225         } while (0)
 226
 227 #define NEW_BIALU_IMM(cfg,dest,op,dr,sr,imm) do { \
 228         MONO_INST_NEW ((cfg), (dest), (op)); \
 229         (dest)->dreg = dr; \
 230         (dest)->sreg1 = sr; \
 231         (dest)->inst_imm = (imm); \
 232         } while (0)
 233
 234 #define NEW_PATCH_INFO(cfg,dest,el1,el2) do {   \
 235         MONO_INST_NEW ((cfg), (dest), OP_PATCH_INFO); \
 236                 (dest)->inst_left = (gpointer)(el1);    \
 237                 (dest)->inst_right = (gpointer)(el2);   \
 238         } while (0)
 239
 240 #define NEW_AOTCONST_GOT_VAR(cfg,dest,patch_type,cons) do {                     \
 241         MONO_INST_NEW ((cfg), (dest), cfg->compile_aot ? OP_GOT_ENTRY : OP_PCONST); \
 242                 if (cfg->compile_aot) {                                 \
 243                         MonoInst *group, *got_loc;              \
 244                         got_loc = mono_get_got_var (cfg);               \
 245                         NEW_PATCH_INFO ((cfg), group, cons, patch_type); \
 246                         (dest)->inst_basereg = got_loc->dreg;                   \
 247                         (dest)->inst_p1 = group;                        \
 248                 } else {                                                \
 249                         (dest)->inst_p0 = (cons);                       \
 250                         (dest)->inst_i1 = (gpointer)(patch_type);       \
 251                 }                                                       \
 252                 (dest)->type = STACK_PTR;                               \
 253                 (dest)->dreg = alloc_dreg ((cfg), STACK_PTR);   \
 254         } while (0)
 255
 256 #define NEW_AOTCONST_TOKEN_GOT_VAR(cfg,dest,patch_type,image,token,generic_context,stack_type,stack_class) do { \
 257                 MonoInst *group, *got_loc;                      \
 258         MONO_INST_NEW ((cfg), (dest), OP_GOT_ENTRY); \
 259                 got_loc = mono_get_got_var (cfg);                       \
 260                 NEW_PATCH_INFO ((cfg), group, NULL, patch_type);        \
 261                 group->inst_p0 = mono_jump_info_token_new2 ((cfg)->mempool, (image), (token), (generic_context)); \
 262                 (dest)->inst_basereg = got_loc->dreg;                           \
 263                 (dest)->inst_p1 = group;                                \
 264                 (dest)->type = (stack_type);                            \
 265         (dest)->klass = (stack_class);          \
 266                 (dest)->dreg = alloc_dreg ((cfg), (stack_type));        \
 267         } while (0)
 268
 269 #define NEW_AOTCONST(cfg,dest,patch_type,cons) do {    \
 270         if (cfg->backend->need_got_var && !cfg->llvm_only) {    \
 271                 NEW_AOTCONST_GOT_VAR ((cfg), (dest), (patch_type), (cons)); \
 272         } else { \
 273         MONO_INST_NEW ((cfg), (dest), cfg->compile_aot ? OP_AOTCONST : OP_PCONST); \
 274                 (dest)->inst_p0 = (cons);       \
 275                 (dest)->inst_p1 = GUINT_TO_POINTER (patch_type); \
 276                 (dest)->type = STACK_PTR;       \
 277                 (dest)->dreg = alloc_dreg ((cfg), STACK_PTR);   \
 278         }                                                                                                       \
 279     } while (0)
 280
 281 #define NEW_AOTCONST_TOKEN(cfg,dest,patch_type,image,token,generic_context,stack_type,stack_class) do { \
 282         if (cfg->backend->need_got_var && !cfg->llvm_only) {    \
 283                 NEW_AOTCONST_TOKEN_GOT_VAR ((cfg), (dest), (patch_type), (image), (token), (generic_context), (stack_type), (stack_class)); \
 284         } else { \
 285         MONO_INST_NEW ((cfg), (dest), OP_AOTCONST); \
 286                 (dest)->inst_p0 = mono_jump_info_token_new2 ((cfg)->mempool, (image), (token), (generic_context)); \
 287                 (dest)->inst_p1 = (gpointer)(patch_type); \
 288                 (dest)->type = (stack_type);    \
 289         (dest)->klass = (stack_class);          \
 290                 (dest)->dreg = alloc_dreg ((cfg), (stack_type));        \
 291         } \
 292     } while (0)
 293
 294 #define NEW_CLASSCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_CLASS, (val))
 295
 296 #define NEW_IMAGECONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_IMAGE, (val))
 297
 298 #define NEW_FIELDCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_FIELD, (val))
 299
 300 #define NEW_METHODCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHODCONST, (val))
 301
 302 #define NEW_VTABLECONST(cfg,dest,vtable) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_VTABLE, cfg->compile_aot ? (gpointer)((vtable)->klass) : (vtable))
 303
 304 #define NEW_SFLDACONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_SFLDA, (val))
 305
 306 #define NEW_LDSTRCONST(cfg,dest,image,token) NEW_AOTCONST_TOKEN ((cfg), (dest), MONO_PATCH_INFO_LDSTR, (image), (token), NULL, STACK_OBJ, mono_defaults.string_class)
 307
 308 #define NEW_LDSTRLITCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_LDSTR_LIT, (val))
 309
 310 #define NEW_TYPE_FROM_HANDLE_CONST(cfg,dest,image,token,generic_context) NEW_AOTCONST_TOKEN ((cfg), (dest), MONO_PATCH_INFO_TYPE_FROM_HANDLE, (image), (token), (generic_context), STACK_OBJ, mono_defaults.runtimetype_class)
 311
 312 #define NEW_LDTOKENCONST(cfg,dest,image,token,generic_context) NEW_AOTCONST_TOKEN ((cfg), (dest), MONO_PATCH_INFO_LDTOKEN, (image), (token), (generic_context), STACK_PTR, NULL)
 313
 314 #define NEW_DECLSECCONST(cfg,dest,image,entry) do { \
 315                 if (cfg->compile_aot) { \
 316                         NEW_AOTCONST_TOKEN (cfg, dest, MONO_PATCH_INFO_DECLSEC, image, (entry).index, NULL, STACK_OBJ, NULL); \
 317                 } else { \
 318                         NEW_PCONST (cfg, args [0], (entry).blob); \
 319                 } \
 320         } while (0)
 321
 322 #define NEW_METHOD_RGCTX_CONST(cfg,dest,method) do { \
 323                 if (cfg->compile_aot) {                                                                                 \
 324                         NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHOD_RGCTX, (method)); \
 325                 } else {                                                                                                                \
 326                         MonoMethodRuntimeGenericContext *mrgctx;                                        \
 327                         mrgctx = mini_method_get_rgctx ((method));                                      \
 328                         NEW_PCONST ((cfg), (dest), (mrgctx));                                           \
 329                 }                                                                                                                               \
 330         } while (0)
 331
 332 #define NEW_DOMAINCONST(cfg,dest) do { \
 333                 if ((cfg->opt & MONO_OPT_SHARED) || cfg->compile_aot) {                          \
 334                         /* avoid depending on undefined C behavior in sequence points */ \
 335                         MonoInst* __domain_var = mono_get_domainvar (cfg); \
 336                         NEW_TEMPLOAD (cfg, dest, __domain_var->inst_c0); \
 337                 } else { \
 338                         NEW_PCONST (cfg, dest, (cfg)->domain); \
 339                 } \
 340         } while (0)
 341
 342 #define NEW_JIT_ICALL_ADDRCONST(cfg,dest,name) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_JIT_ICALL_ADDR, (name))
 343
 344 #define NEW_VARLOAD(cfg,dest,var,vartype) do { \
 345         MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
 346                 (dest)->opcode = mono_type_to_regmove ((cfg), (vartype));  \
 347                 mini_type_to_eval_stack_type ((cfg), (vartype), (dest));        \
 348                 (dest)->klass = var->klass;     \
 349                 (dest)->sreg1 = var->dreg;   \
 350         (dest)->dreg = alloc_dreg ((cfg), (MonoStackType)(dest)->type); \
 351         if ((dest)->opcode == OP_VMOVE) (dest)->klass = mono_class_from_mono_type ((vartype)); \
 352         } while (0)
 353
 354 #define DECOMPOSE_INTO_REGPAIR(stack_type) (mono_arch_is_soft_float () ? ((stack_type) == STACK_I8 || (stack_type) == STACK_R8) : ((stack_type) == STACK_I8))
 355
 356 static inline void
 357 handle_gsharedvt_ldaddr (MonoCompile *cfg)
 358 {
 359         /* The decomposition of ldaddr makes use of these two variables, so add uses for them */
 360         MonoInst *use;
 361
 362         MONO_INST_NEW (cfg, use, OP_DUMMY_USE);
 363         use->sreg1 = cfg->gsharedvt_info_var->dreg;
 364         MONO_ADD_INS (cfg->cbb, use);
 365         MONO_INST_NEW (cfg, use, OP_DUMMY_USE);
 366         use->sreg1 = cfg->gsharedvt_locals_var->dreg;
 367         MONO_ADD_INS (cfg->cbb, use);
 368 }
 369
 370 #define NEW_VARLOADA(cfg,dest,var,vartype) do { \
 371         MONO_INST_NEW ((cfg), (dest), OP_LDADDR); \
 372                 (dest)->inst_p0 = (var); \
 373                 (var)->flags |= MONO_INST_INDIRECT;     \
 374                 (dest)->type = STACK_MP;        \
 375                 (dest)->klass = (var)->klass;   \
 376         (dest)->dreg = alloc_dreg ((cfg), STACK_MP); \
 377                 (cfg)->has_indirection = TRUE;  \
 378                           if (G_UNLIKELY (cfg->gsharedvt) && mini_is_gsharedvt_variable_type ((var)->inst_vtype)) { handle_gsharedvt_ldaddr ((cfg)); } \
 379                 if (SIZEOF_REGISTER == 4 && DECOMPOSE_INTO_REGPAIR ((var)->type)) { MonoInst *var1 = get_vreg_to_inst (cfg, MONO_LVREG_LS ((var)->dreg)); MonoInst *var2 = get_vreg_to_inst (cfg, MONO_LVREG_MS ((var)->dreg)); g_assert (var1); g_assert (var2); var1->flags |= MONO_INST_INDIRECT; var2->flags |= MONO_INST_INDIRECT; } \
 380         } while (0)
 381
 382 #define NEW_VARSTORE(cfg,dest,var,vartype,inst) do {    \
 383         MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
 384                 (dest)->opcode = mono_type_to_regmove ((cfg), (vartype));    \
 385                 (dest)->klass = (var)->klass;   \
 386         (dest)->sreg1 = (inst)->dreg; \
 387                 (dest)->dreg = (var)->dreg;   \
 388         if ((dest)->opcode == OP_VMOVE) (dest)->klass = mono_class_from_mono_type ((vartype)); \
 389         } while (0)
 390
 391 #define NEW_TEMPLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), (cfg)->varinfo [(num)], (cfg)->varinfo [(num)]->inst_vtype)
 392
 393 #define NEW_TEMPLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), cfg->varinfo [(num)], cfg->varinfo [(num)]->inst_vtype)
 394
 395 #define NEW_TEMPSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), (cfg)->varinfo [(num)], (cfg)->varinfo [(num)]->inst_vtype, (inst))
 396
 397 #define NEW_ARGLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)])
 398
 399 #define NEW_LOCLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), cfg->locals [(num)], header->locals [(num)])
 400
 401 #define NEW_LOCSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype, (inst))
 402
 403 #define NEW_ARGSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)], (inst))
 404
 405 #define NEW_LOCLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype)
 406
 407 #define NEW_RETLOADA(cfg,dest) do {     \
 408         MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
 409         (dest)->type = STACK_MP; \
 410             (dest)->klass = cfg->ret->klass;    \
 411             (dest)->sreg1 = cfg->vret_addr->dreg;   \
 412         (dest)->dreg = alloc_dreg ((cfg), (MonoStackType)(dest)->type); \
 413         } while (0)
 414
 415 #define NEW_ARGLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), arg_array [(num)], param_types [(num)])
 416
 417 /* Promote the vreg to a variable so its address can be taken */
 418 #define NEW_VARLOADA_VREG(cfg,dest,vreg,ltype) do { \
 419         MonoInst *var = get_vreg_to_inst ((cfg), (vreg)); \
 420         if (!var) \
 421                     var = mono_compile_create_var_for_vreg ((cfg), (ltype), OP_LOCAL, (vreg)); \
 422         NEW_VARLOADA ((cfg), (dest), (var), (ltype)); \
 423     } while (0)
 424
 425 #define NEW_DUMMY_USE(cfg,dest,var) do { \
 426         MONO_INST_NEW ((cfg), (dest), OP_DUMMY_USE); \
 427                 (dest)->sreg1 = var->dreg; \
 428     } while (0)
 429
 430 /* Variants which take a type argument and handle vtypes as well */
 431 #define NEW_LOAD_MEMBASE_TYPE(cfg,dest,ltype,base,offset) do { \
 432             NEW_LOAD_MEMBASE ((cfg), (dest), mono_type_to_load_membase ((cfg), (ltype)), 0, (base), (offset)); \
 433             mini_type_to_eval_stack_type ((cfg), (ltype), (dest)); \
 434             (dest)->dreg = alloc_dreg ((cfg), (MonoStackType)(dest)->type); \
 435     } while (0)
 436
 437 #define NEW_STORE_MEMBASE_TYPE(cfg,dest,ltype,base,offset,sr) do { \
 438         MONO_INST_NEW ((cfg), (dest), mono_type_to_store_membase ((cfg), (ltype))); \
 439         (dest)->sreg1 = sr; \
 440         (dest)->inst_destbasereg = base; \
 441         (dest)->inst_offset = offset; \
 442             mini_type_to_eval_stack_type ((cfg), (ltype), (dest)); \
 443         (dest)->klass = mono_class_from_mono_type (ltype); \
 444         } while (0)
 445
 446 #define NEW_SEQ_POINT(cfg,dest,il_offset,intr_loc) do {  \
 447         MONO_INST_NEW ((cfg), (dest), cfg->gen_sdb_seq_points ? OP_SEQ_POINT : OP_IL_SEQ_POINT); \
 448         (dest)->inst_imm = (il_offset); \
 449         (dest)->flags = intr_loc ? MONO_INST_SINGLE_STEP_LOC : 0; \
 450         } while (0)
 451
 452 #define NEW_GC_PARAM_SLOT_LIVENESS_DEF(cfg,dest,offset,type) do { \
 453         MONO_INST_NEW ((cfg), (dest), OP_GC_PARAM_SLOT_LIVENESS_DEF); \
 454         (dest)->inst_offset = (offset); \
 455         (dest)->inst_vtype = (type); \
 456         } while (0)
 457
 458 /*
 459  * Variants which do an emit as well.
 460  */
 461 #define EMIT_NEW_ICONST(cfg,dest,val) do { NEW_ICONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 462
 463 #define EMIT_NEW_PCONST(cfg,dest,val) do { NEW_PCONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 464
 465 #define EMIT_NEW_I8CONST(cfg,dest,val) do { NEW_I8CONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 466
 467 #define EMIT_NEW_AOTCONST(cfg,dest,patch_type,cons) do { NEW_AOTCONST ((cfg), (dest), (patch_type), (cons)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 468
 469 #define EMIT_NEW_AOTCONST_TOKEN(cfg,dest,patch_type,image,token,stack_type,stack_class) do { NEW_AOTCONST_TOKEN ((cfg), (dest), (patch_type), (image), (token), NULL, (stack_type), (stack_class)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 470
 471 #define EMIT_NEW_CLASSCONST(cfg,dest,val) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_CLASS, (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 472
 473 #define EMIT_NEW_IMAGECONST(cfg,dest,val) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_IMAGE, (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 474
 475 #define EMIT_NEW_FIELDCONST(cfg,dest,val) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_FIELD, (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 476
 477 #define EMIT_NEW_METHODCONST(cfg,dest,val) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHODCONST, (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 478
 479 #define EMIT_NEW_VTABLECONST(cfg,dest,vtable) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_VTABLE, cfg->compile_aot ? (gpointer)((vtable)->klass) : (vtable)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 480
 481 #define EMIT_NEW_SFLDACONST(cfg,dest,val) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_SFLDA, (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 482
 483 #define EMIT_NEW_LDSTRCONST(cfg,dest,image,token) do { NEW_AOTCONST_TOKEN ((cfg), (dest), MONO_PATCH_INFO_LDSTR, (image), (token), NULL, STACK_OBJ, mono_defaults.string_class); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 484
 485 #define EMIT_NEW_LDSTRLITCONST(cfg,dest,val) do { NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_LDSTR_LIT, (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 486
 487 #define EMIT_NEW_TYPE_FROM_HANDLE_CONST(cfg,dest,image,token,generic_context) do { NEW_AOTCONST_TOKEN ((cfg), (dest), MONO_PATCH_INFO_TYPE_FROM_HANDLE, (image), (token), (generic_context), STACK_OBJ, mono_defaults.runtimetype_class); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 488
 489 #define EMIT_NEW_LDTOKENCONST(cfg,dest,image,token,generic_context) do { NEW_AOTCONST_TOKEN ((cfg), (dest), MONO_PATCH_INFO_LDTOKEN, (image), (token), (generic_context), STACK_PTR, NULL); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 490
 491 #define EMIT_NEW_TLS_OFFSETCONST(cfg,dest,key) do { NEW_TLS_OFFSETCONST ((cfg), (dest), (key)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 492
 493 #define EMIT_NEW_DOMAINCONST(cfg,dest) do { NEW_DOMAINCONST ((cfg), (dest)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 494
 495 #define EMIT_NEW_DECLSECCONST(cfg,dest,image,entry) do { NEW_DECLSECCONST ((cfg), (dest), (image), (entry)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 496
 497 #define EMIT_NEW_METHOD_RGCTX_CONST(cfg,dest,method) do { NEW_METHOD_RGCTX_CONST ((cfg), (dest), (method)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 498
 499 #define EMIT_NEW_JIT_ICALL_ADDRCONST(cfg,dest,name) do { NEW_JIT_ICALL_ADDRCONST ((cfg), (dest), (name)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 500
 501 #define EMIT_NEW_VARLOAD(cfg,dest,var,vartype) do { NEW_VARLOAD ((cfg), (dest), (var), (vartype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 502
 503 #define EMIT_NEW_VARSTORE(cfg,dest,var,vartype,inst) do { NEW_VARSTORE ((cfg), (dest), (var), (vartype), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 504
 505 #define EMIT_NEW_VARLOADA(cfg,dest,var,vartype) do { NEW_VARLOADA ((cfg), (dest), (var), (vartype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 506
 507 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
 508
 509 /*
 510  * Since the IL stack (and our vregs) contain double values, we have to do a conversion
 511  * when loading/storing args/locals of type R4.
 512  */
 513
 514 #define EMIT_NEW_VARLOAD_SFLOAT(cfg,dest,var,vartype) do { \
 515                 if (!COMPILE_LLVM ((cfg)) && !(vartype)->byref && (vartype)->type == MONO_TYPE_R4) { \
 516                         MonoInst *iargs [1]; \
 517                         EMIT_NEW_VARLOADA (cfg, iargs [0], (var), (vartype)); \
 518                         (dest) = mono_emit_jit_icall (cfg, mono_fload_r4, iargs); \
 519                 } else { \
 520                         EMIT_NEW_VARLOAD ((cfg), (dest), (var), (vartype)); \
 521                 } \
 522         } while (0)
 523
 524 #define EMIT_NEW_VARSTORE_SFLOAT(cfg,dest,var,vartype,inst) do {        \
 525                 if (COMPILE_SOFT_FLOAT ((cfg)) && !(vartype)->byref && (vartype)->type == MONO_TYPE_R4) { \
 526                         MonoInst *iargs [2]; \
 527                         iargs [0] = (inst); \
 528                         EMIT_NEW_VARLOADA (cfg, iargs [1], (var), (vartype)); \
 529                         (dest) = mono_emit_jit_icall (cfg, mono_fstore_r4, iargs);      \
 530                 } else { \
 531                         EMIT_NEW_VARSTORE ((cfg), (dest), (var), (vartype), (inst)); \
 532                 } \
 533         } while (0)
 534
 535 #define EMIT_NEW_ARGLOAD(cfg,dest,num) do {     \
 536                 if (mono_arch_is_soft_float ()) {       \
 537                         EMIT_NEW_VARLOAD_SFLOAT ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)]);     \
 538                 } else {        \
 539                         NEW_ARGLOAD ((cfg), (dest), (num));     \
 540                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 541                 }       \
 542         } while (0)
 543
 544 #define EMIT_NEW_LOCLOAD(cfg,dest,num) do {     \
 545                 if (mono_arch_is_soft_float ()) {       \
 546                         EMIT_NEW_VARLOAD_SFLOAT ((cfg), (dest), cfg->locals [(num)], header->locals [(num)]);   \
 547                 } else {        \
 548                         NEW_LOCLOAD ((cfg), (dest), (num));     \
 549                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 550                 }       \
 551         } while (0)
 552
 553 #define EMIT_NEW_LOCSTORE(cfg,dest,num,inst) do {       \
 554                 if (mono_arch_is_soft_float ()) {       \
 555                         EMIT_NEW_VARSTORE_SFLOAT ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype, (inst));     \
 556                 } else {        \
 557                         NEW_LOCSTORE ((cfg), (dest), (num), (inst));    \
 558                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 559                 }       \
 560         } while (0)
 561
 562 #define EMIT_NEW_ARGSTORE(cfg,dest,num,inst) do {       \
 563                 if (mono_arch_is_soft_float ()) {       \
 564                         EMIT_NEW_VARSTORE_SFLOAT ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)], (inst));    \
 565                 } else {        \
 566                         NEW_ARGSTORE ((cfg), (dest), (num), (inst));    \
 567                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 568                 }       \
 569         } while (0)
 570
 571 #else
 572
 573 #define EMIT_NEW_ARGLOAD(cfg,dest,num) do { NEW_ARGLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 574
 575 #define EMIT_NEW_LOCLOAD(cfg,dest,num) do { NEW_LOCLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 576
 577 #define EMIT_NEW_LOCSTORE(cfg,dest,num,inst) do { NEW_LOCSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 578
 579 #define EMIT_NEW_ARGSTORE(cfg,dest,num,inst) do { NEW_ARGSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 580
 581 #endif
 582
 583 #define EMIT_NEW_TEMPLOAD(cfg,dest,num) do { NEW_TEMPLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 584
 585 #define EMIT_NEW_TEMPLOADA(cfg,dest,num) do { NEW_TEMPLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 586
 587 #define EMIT_NEW_LOCLOADA(cfg,dest,num) do { NEW_LOCLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 588
 589 #define EMIT_NEW_ARGLOADA(cfg,dest,num) do { NEW_ARGLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 590
 591 #define EMIT_NEW_RETLOADA(cfg,dest) do { NEW_RETLOADA ((cfg), (dest)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 592
 593 #define EMIT_NEW_TEMPSTORE(cfg,dest,num,inst) do { NEW_TEMPSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 594
 595 #define EMIT_NEW_VARLOADA_VREG(cfg,dest,vreg,ltype) do { NEW_VARLOADA_VREG ((cfg), (dest), (vreg), (ltype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 596
 597 #define EMIT_NEW_DUMMY_USE(cfg,dest,var) do { NEW_DUMMY_USE ((cfg), (dest), (var)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 598
 599 #define EMIT_NEW_UNALU(cfg,dest,op,dr,sr1) do { NEW_UNALU ((cfg), (dest), (op), (dr), (sr1)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 600
 601 #define EMIT_NEW_BIALU(cfg,dest,op,dr,sr1,sr2) do { NEW_BIALU ((cfg), (dest), (op), (dr), (sr1), (sr2)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 602
 603 #define EMIT_NEW_BIALU_IMM(cfg,dest,op,dr,sr,imm) do { NEW_BIALU_IMM ((cfg), (dest), (op), (dr), (sr), (imm)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 604
 605 #define EMIT_NEW_LOAD_MEMBASE(cfg,dest,op,dr,base,offset) do { NEW_LOAD_MEMBASE ((cfg), (dest), (op), (dr), (base), (offset)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 606
 607 #define EMIT_NEW_STORE_MEMBASE(cfg,dest,op,base,offset,sr) do { NEW_STORE_MEMBASE ((cfg), (dest), (op), (base), (offset), (sr)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 608
 609 #define EMIT_NEW_LOAD_MEMBASE_TYPE(cfg,dest,ltype,base,offset) do { NEW_LOAD_MEMBASE_TYPE ((cfg), (dest), (ltype), (base), (offset)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 610
 611 #define EMIT_NEW_STORE_MEMBASE_TYPE(cfg,dest,ltype,base,offset,sr) do { NEW_STORE_MEMBASE_TYPE ((cfg), (dest), (ltype), (base), (offset), (sr)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 612
 613 #define EMIT_NEW_GC_PARAM_SLOT_LIVENESS_DEF(cfg,dest,offset,type) do { NEW_GC_PARAM_SLOT_LIVENESS_DEF ((cfg), (dest), (offset), (type)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 614 /*
 615  * Variants which do not take an dest argument, but take a dreg argument.
 616  */
 617 #define MONO_EMIT_NEW_ICONST(cfg,dr,imm) do { \
 618         MonoInst *inst; \
 619         MONO_INST_NEW ((cfg), (inst), OP_ICONST); \
 620         inst->dreg = dr; \
 621         inst->inst_c0 = imm; \
 622             MONO_ADD_INS ((cfg)->cbb, inst); \
 623         } while (0)
 624
 625 #define MONO_EMIT_NEW_PCONST(cfg,dr,val) do {   \
 626         MonoInst *inst; \
 627         MONO_INST_NEW ((cfg), (inst), OP_PCONST); \
 628         inst->dreg = dr; \
 629                 (inst)->inst_p0 = (val);        \
 630                 (inst)->type = STACK_PTR;       \
 631             MONO_ADD_INS ((cfg)->cbb, inst); \
 632         } while (0)
 633
 634 #define MONO_EMIT_NEW_I8CONST(cfg,dr,imm) do { \
 635         MonoInst *inst; \
 636         MONO_INST_NEW ((cfg), (inst), OP_I8CONST); \
 637         inst->dreg = dr; \
 638         inst->inst_l = imm; \
 639             MONO_ADD_INS ((cfg)->cbb, inst); \
 640         } while (0)
 641
 642 #define MONO_EMIT_NEW_DUMMY_INIT(cfg,dr,op) do {                          \
 643                 MonoInst *inst;                                                                           \
 644                 MONO_INST_NEW ((cfg), (inst), (op));                              \
 645                 inst->dreg = dr;                                                                          \
 646                 MONO_ADD_INS ((cfg)->cbb, inst);                                          \
 647         } while (0)
 648
 649 #ifdef MONO_ARCH_NEED_GOT_VAR
 650
 651 #define MONO_EMIT_NEW_AOTCONST(cfg,dr,cons,patch_type) do { \
 652         MonoInst *inst; \
 653         NEW_AOTCONST ((cfg), (inst), (patch_type), (cons)); \
 654         inst->dreg = (dr); \
 655         MONO_ADD_INS ((cfg)->cbb, inst); \
 656     } while (0)
 657
 658 #else
 659
 660 #define MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,type) do { \
 661         MonoInst *inst; \
 662         MONO_INST_NEW ((cfg), (inst), cfg->compile_aot ? OP_AOTCONST : OP_PCONST); \
 663         inst->dreg = dr; \
 664         inst->inst_p0 = imm; \
 665         inst->inst_c1 = type; \
 666                 MONO_ADD_INS ((cfg)->cbb, inst); \
 667         } while (0)
 668
 669 #endif
 670
 671 #define MONO_EMIT_NEW_CLASSCONST(cfg,dr,imm) MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,MONO_PATCH_INFO_CLASS)
 672 #define MONO_EMIT_NEW_VTABLECONST(cfg,dest,vtable) MONO_EMIT_NEW_AOTCONST ((cfg), (dest), (cfg)->compile_aot ? (gpointer)((vtable)->klass) : (vtable), MONO_PATCH_INFO_VTABLE)
 673 #define MONO_EMIT_NEW_SIGNATURECONST(cfg,dr,sig) MONO_EMIT_NEW_AOTCONST ((cfg), (dr), (sig), MONO_PATCH_INFO_SIGNATURE)
 674
 675 #define MONO_EMIT_NEW_VZERO(cfg,dr,kl) do {     \
 676         MonoInst *inst; \
 677         MONO_INST_NEW ((cfg), (inst), MONO_CLASS_IS_SIMD (cfg, kl) ? OP_XZERO : OP_VZERO); \
 678         inst->dreg = dr; \
 679                 (inst)->type = STACK_VTYPE;     \
 680         (inst)->klass = (kl); \
 681             MONO_ADD_INS ((cfg)->cbb, inst); \
 682         } while (0)
 683
 684 #define MONO_EMIT_NEW_UNALU(cfg,op,dr,sr1) do { \
 685         MonoInst *inst; \
 686         EMIT_NEW_UNALU ((cfg), (inst), (op), (dr), (sr1)); \
 687         } while (0)
 688
 689 #define MONO_EMIT_NEW_BIALU(cfg,op,dr,sr1,sr2) do { \
 690         MonoInst *inst; \
 691         MONO_INST_NEW ((cfg), (inst), (op)); \
 692         inst->dreg = dr; \
 693         inst->sreg1 = sr1; \
 694         inst->sreg2 = sr2; \
 695             MONO_ADD_INS (cfg->cbb, inst); \
 696         } while (0)
 697
 698 #define MONO_EMIT_NEW_BIALU_IMM(cfg,op,dr,sr,imm) do { \
 699         MonoInst *inst; \
 700         MONO_INST_NEW ((cfg), (inst), (op)); \
 701         inst->dreg = dr; \
 702         inst->sreg1 = sr; \
 703         inst->inst_imm = (mgreg_t)(imm);                \
 704             MONO_ADD_INS (cfg->cbb, inst); \
 705         } while (0)
 706
 707 #define MONO_EMIT_NEW_COMPARE_IMM(cfg,sr1,imm) do { \
 708         MonoInst *inst; \
 709         MONO_INST_NEW ((cfg), (inst), (OP_COMPARE_IMM)); \
 710         inst->sreg1 = sr1; \
 711         inst->inst_imm = (imm);                  \
 712             MONO_ADD_INS ((cfg)->cbb, inst); \
 713         } while (0)
 714
 715 #define MONO_EMIT_NEW_ICOMPARE_IMM(cfg,sr1,imm) do { \
 716         MonoInst *inst; \
 717         MONO_INST_NEW ((cfg), (inst), sizeof (mgreg_t) == 8 ? OP_ICOMPARE_IMM : OP_COMPARE_IMM); \
 718         inst->sreg1 = sr1; \
 719         inst->inst_imm = (imm);                  \
 720             MONO_ADD_INS ((cfg)->cbb, inst); \
 721         } while (0)
 722
 723 /* This is used on 32 bit machines too when running with LLVM */
 724 #define MONO_EMIT_NEW_LCOMPARE_IMM(cfg,sr1,imm) do { \
 725         MonoInst *inst; \
 726         MONO_INST_NEW ((cfg), (inst), (OP_LCOMPARE_IMM)); \
 727         inst->sreg1 = sr1;                                                                      \
 728         if (SIZEOF_REGISTER == 4 && COMPILE_LLVM (cfg))  {      \
 729                         guint64 _l = (imm);                                                             \
 730                         inst->inst_imm = _l & 0xffffffff;                               \
 731                         inst->inst_offset = _l >> 32;                                           \
 732                 } else { \
 733                         inst->inst_imm = (imm);          \
 734                 }                                                                \
 735             MONO_ADD_INS ((cfg)->cbb, inst); \
 736         } while (0)
 737
 738 #define MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg,op,dr,base,offset) do { \
 739         MonoInst *inst; \
 740         MONO_INST_NEW ((cfg), (inst), (op)); \
 741         inst->dreg = dr; \
 742         inst->inst_basereg = base; \
 743         inst->inst_offset = offset; \
 744             MONO_ADD_INS (cfg->cbb, inst); \
 745     } while (0)
 746
 747 #define MONO_EMIT_NEW_LOAD_MEMBASE(cfg,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP ((cfg), (OP_LOAD_MEMBASE), (dr), (base), (offset))
 748
 749 #define MONO_EMIT_NEW_STORE_MEMBASE(cfg,op,base,offset,sr) do { \
 750         MonoInst *inst; \
 751         MONO_INST_NEW ((cfg), (inst), (op)); \
 752         (inst)->sreg1 = sr; \
 753         (inst)->inst_destbasereg = base; \
 754         (inst)->inst_offset = offset; \
 755             MONO_ADD_INS (cfg->cbb, inst); \
 756         } while (0)
 757
 758 #define MONO_EMIT_NEW_STORE_MEMBASE_IMM(cfg,op,base,offset,imm) do { \
 759         MonoInst *inst; \
 760         MONO_INST_NEW ((cfg), (inst), (op)); \
 761         inst->inst_destbasereg = base; \
 762         inst->inst_offset = offset; \
 763         inst->inst_imm = (mgreg_t)(imm); \
 764         MONO_ADD_INS ((cfg)->cbb, inst); \
 765         } while (0)
 766
 767 #define MONO_EMIT_NEW_COND_EXC(cfg,cond,name) do { \
 768         MonoInst *inst; \
 769         MONO_INST_NEW ((cfg), (inst), (OP_COND_EXC_##cond)); \
 770         inst->inst_p1 = (char*)name; \
 771             MONO_ADD_INS ((cfg)->cbb, inst); \
 772         } while (0)
 773
 774 /* Branch support */
 775
 776 /*
 777  * Basic blocks have two numeric identifiers:
 778  * dfn: Depth First Number
 779  * block_num: unique ID assigned at bblock creation
 780  */
 781 #define NEW_BBLOCK(cfg,bblock) do { \
 782         (bblock) = (MonoBasicBlock *)mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoBasicBlock)); \
 783         (bblock)->block_num = cfg->num_bblocks++; \
 784     } while (0)
 785
 786 #define ADD_BBLOCK(cfg,b) do {  \
 787         if ((b)->cil_code)  {\
 788                         cfg->cil_offset_to_bb [(b)->cil_code - cfg->cil_start] = (b);   \
 789         } \
 790                 (b)->real_offset = cfg->real_offset;    \
 791         } while (0)
 792
 793 /*
 794  * Emit a one-way conditional branch and start a new bblock.
 795  * The inst_false_bb field of the cond branch will not be set, the JIT code should be
 796  * prepared to deal with this.
 797  */
 798 #ifdef DEBUG_EXTENDED_BBLOCKS
 799 static int ccount = 0;
 800 #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,truebb) do { \
 801         MonoInst *ins; \
 802         MonoBasicBlock *falsebb; \
 803         MONO_INST_NEW ((cfg), (ins), (op)); \
 804         if ((op) == OP_BR) { \
 805                 NEW_BBLOCK ((cfg), falsebb); \
 806             ins->inst_target_bb = (truebb); \
 807             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 808             MONO_ADD_INS ((cfg)->cbb, ins); \
 809             MONO_START_BB ((cfg), falsebb); \
 810         } else { \
 811             ccount ++; \
 812                     ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);  \
 813             ins->inst_true_bb = (truebb); \
 814             ins->inst_false_bb = NULL; \
 815             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 816             MONO_ADD_INS ((cfg)->cbb, ins); \
 817             char *count2 = g_getenv ("COUNT2"); \
 818             if (count2 && ccount == atoi (count2) - 1) { printf ("HIT: %d\n", cfg->cbb->block_num); } \
 819             if (count2 && ccount < atoi (count2)) { \
 820                  cfg->cbb->extended = TRUE; \
 821             } else { NEW_BBLOCK ((cfg), falsebb); ins->inst_false_bb = (falsebb); mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); MONO_START_BB ((cfg), falsebb); } \
 822             if (count2) g_free (count2); \
 823         } \
 824         } while (0)
 825 #else
 826 #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,truebb) do { \
 827         MonoInst *ins; \
 828         MonoBasicBlock *falsebb; \
 829         MONO_INST_NEW ((cfg), (ins), (op)); \
 830         if ((op) == OP_BR) { \
 831                 NEW_BBLOCK ((cfg), falsebb); \
 832             ins->inst_target_bb = (truebb); \
 833             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 834             MONO_ADD_INS ((cfg)->cbb, ins); \
 835             MONO_START_BB ((cfg), falsebb); \
 836         } else { \
 837                     ins->inst_many_bb = (MonoBasicBlock **)mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);       \
 838             ins->inst_true_bb = (truebb); \
 839             ins->inst_false_bb = NULL; \
 840             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 841             MONO_ADD_INS ((cfg)->cbb, ins); \
 842             if (!cfg->enable_extended_bblocks) { \
 843                 NEW_BBLOCK ((cfg), falsebb); \
 844                 ins->inst_false_bb = falsebb; \
 845                 mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); \
 846                 MONO_START_BB ((cfg), falsebb); \
 847             } else { \
 848                                 cfg->cbb->extended = TRUE; \
 849                         } \
 850         } \
 851         } while (0)
 852 #endif
 853
 854 /* Emit a two-way conditional branch */
 855 #define MONO_EMIT_NEW_BRANCH_BLOCK2(cfg,op,truebb,falsebb) do { \
 856         MonoInst *ins; \
 857         MONO_INST_NEW ((cfg), (ins), (op)); \
 858                 ins->inst_many_bb = (MonoBasicBlock **)mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);   \
 859         ins->inst_true_bb = (truebb); \
 860         ins->inst_false_bb = (falsebb); \
 861         mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 862         mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); \
 863         MONO_ADD_INS ((cfg)->cbb, ins); \
 864         } while (0)
 865
 866 #define MONO_START_BB(cfg, bblock) do { \
 867         ADD_BBLOCK ((cfg), (bblock)); \
 868         if (cfg->cbb->last_ins && MONO_IS_COND_BRANCH_OP (cfg->cbb->last_ins) && !cfg->cbb->last_ins->inst_false_bb) { \
 869             cfg->cbb->last_ins->inst_false_bb = (bblock); \
 870             mono_link_bblock ((cfg), (cfg)->cbb, (bblock)); \
 871         } else if (! (cfg->cbb->last_ins && ((cfg->cbb->last_ins->opcode == OP_BR) || (cfg->cbb->last_ins->opcode == OP_BR_REG) || MONO_IS_COND_BRANCH_OP (cfg->cbb->last_ins)))) \
 872             mono_link_bblock ((cfg), (cfg)->cbb, (bblock)); \
 873             (cfg)->cbb->next_bb = (bblock); \
 874             (cfg)->cbb = (bblock); \
 875     } while (0)
 876
 877 /* This marks a place in code where an implicit exception could be thrown */
 878 #define MONO_EMIT_NEW_IMPLICIT_EXCEPTION(cfg) do { \
 879                 if (COMPILE_LLVM ((cfg))) {                                                                     \
 880                         MONO_EMIT_NEW_UNALU (cfg, OP_IMPLICIT_EXCEPTION, -1, -1);       \
 881                 } \
 882         } while (0)
 883
 884 /* Loads/Stores which can fault are handled correctly by the LLVM mono branch */
 885 #define MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE(cfg) do { \
 886     } while (0)
 887
 888 /* Emit an explicit null check which doesn't depend on SIGSEGV signal handling */
 889 #define MONO_EMIT_NULL_CHECK(cfg, reg, out_of_page) do { \
 890                 if (cfg->explicit_null_checks || (out_of_page)) {                                                         \
 891                         MONO_EMIT_NEW_BIALU_IMM (cfg, OP_COMPARE_IMM, -1, (reg), 0); \
 892                         MONO_EMIT_NEW_COND_EXC (cfg, EQ, "NullReferenceException"); \
 893                 } else {                        \
 894                         MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE (cfg);                                              \
 895                 }                                                                                                                               \
 896         } while (0)
 897
 898 #define MONO_EMIT_NEW_CHECK_THIS(cfg, sreg) do { \
 899                 cfg->flags |= MONO_CFG_HAS_CHECK_THIS;   \
 900                 if (cfg->explicit_null_checks) {                 \
 901                         MONO_EMIT_NULL_CHECK (cfg, sreg, FALSE);                        \
 902                 } else {                                                                                        \
 903                         MONO_EMIT_NEW_UNALU (cfg, OP_CHECK_THIS, -1, sreg);                     \
 904                         MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE (cfg);                      \
 905                 }                                                                                                                               \
 906                 MONO_EMIT_NEW_UNALU (cfg, OP_NOT_NULL, -1, sreg);                               \
 907         } while (0)
 908
 909 #define NEW_LOAD_MEMBASE_FLAGS(cfg,dest,op,dr,base,offset,ins_flags) do {       \
 910                 int __ins_flags = ins_flags; \
 911                 if (__ins_flags & MONO_INST_FAULT) {                                                            \
 912                         gboolean __out_of_page = offset > mono_target_pagesize (); \
 913                         MONO_EMIT_NULL_CHECK ((cfg), (base), __out_of_page);                                            \
 914                 }                                                                                                                               \
 915                 NEW_LOAD_MEMBASE ((cfg), (dest), (op), (dr), (base), (offset)); \
 916                 (dest)->flags = (__ins_flags);                                                                  \
 917         } while (0)
 918
 919 #define MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS(cfg,op,dr,base,offset,ins_flags) do { \
 920         MonoInst *inst;                                                                                                 \
 921                 int __ins_flags = ins_flags; \
 922                 if (__ins_flags & MONO_INST_FAULT) {                                                    \
 923                         int __out_of_page = offset > mono_target_pagesize (); \
 924                         MONO_EMIT_NULL_CHECK ((cfg), (base), __out_of_page); \
 925                 }                                                                                                                               \
 926                 NEW_LOAD_MEMBASE ((cfg), (inst), (op), (dr), (base), (offset)); \
 927                 inst->flags = (__ins_flags); \
 928             MONO_ADD_INS (cfg->cbb, inst); \
 929     } while (0)
 930
 931 #define MONO_EMIT_NEW_LOAD_MEMBASE_FLAGS(cfg,dr,base,offset,ins_flags) MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS ((cfg), (OP_LOAD_MEMBASE), (dr), (base), (offset),(ins_flags))
 932
 933 /* A load which can cause a nullref */
 934 #define NEW_LOAD_MEMBASE_FAULT(cfg,dest,op,dr,base,offset) NEW_LOAD_MEMBASE_FLAGS ((cfg), (dest), (op), (dr), (base), (offset), MONO_INST_FAULT)
 935
 936 #define EMIT_NEW_LOAD_MEMBASE_FAULT(cfg,dest,op,dr,base,offset) do { \
 937                 NEW_LOAD_MEMBASE_FAULT ((cfg), (dest), (op), (dr), (base), (offset)); \
 938                 MONO_ADD_INS ((cfg)->cbb, (dest)); \
 939         } while (0)
 940
 941 #define MONO_EMIT_NEW_LOAD_MEMBASE_OP_FAULT(cfg,op,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS ((cfg), (op), (dr), (base), (offset), MONO_INST_FAULT)
 942
 943 #define MONO_EMIT_NEW_LOAD_MEMBASE_FAULT(cfg,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP_FAULT ((cfg), (OP_LOAD_MEMBASE), (dr), (base), (offset))
 944
 945 #define NEW_LOAD_MEMBASE_INVARIANT(cfg,dest,op,dr,base,offset) NEW_LOAD_MEMBASE_FLAGS ((cfg), (dest), (op), (dr), (base), (offset), MONO_INST_INVARIANT_LOAD)
 946
 947 #define MONO_EMIT_NEW_LOAD_MEMBASE_OP_INVARIANT(cfg,op,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS ((cfg), (op), (dr), (base), (offset), MONO_INST_INVARIANT_LOAD)
 948
 949 #define MONO_EMIT_NEW_LOAD_MEMBASE_INVARIANT(cfg,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP_INVARIANT ((cfg), (OP_LOAD_MEMBASE), (dr), (base), (offset))
 950
 951 /*Object Model related macros*/
 952
 953 /* Default bounds check implementation for most architectures + llvm */
 954 #define MONO_EMIT_DEFAULT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg, fault) do { \
 955                         int _length_reg = alloc_ireg (cfg); \
 956                         if (fault) \
 957                                 MONO_EMIT_NEW_LOAD_MEMBASE_OP_FAULT (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, offset); \
 958                         else \
 959                                 MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, offset, MONO_INST_INVARIANT_LOAD); \
 960                         MONO_EMIT_NEW_BIALU (cfg, OP_COMPARE, -1, _length_reg, index_reg); \
 961                         MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
 962         } while (0)
 963
 964 #ifndef MONO_ARCH_EMIT_BOUNDS_CHECK
 965 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) MONO_EMIT_DEFAULT_BOUNDS_CHECK ((cfg), (array_reg), (offset), (index_reg), TRUE)
 966 #endif
 967
 968 #define MONO_EMIT_BOUNDS_CHECK_OFFSET(cfg, array_reg, array_length_offset, index_reg) do { \
 969                 if (!(cfg->opt & MONO_OPT_UNSAFE)) {                                                    \
 970                 if (!(cfg->opt & MONO_OPT_ABCREM)) {                                                    \
 971                         MONO_EMIT_NULL_CHECK (cfg, array_reg, FALSE);                                           \
 972                         if (COMPILE_LLVM (cfg)) \
 973                                 MONO_EMIT_DEFAULT_BOUNDS_CHECK ((cfg), (array_reg), (array_length_offset), (index_reg), TRUE); \
 974                         else \
 975                                 MONO_ARCH_EMIT_BOUNDS_CHECK ((cfg), (array_reg), (array_length_offset), (index_reg)); \
 976                 } else {                                                                                                                \
 977                         MonoInst *ins;                                                                                          \
 978                         MONO_INST_NEW ((cfg), ins, OP_BOUNDS_CHECK);                            \
 979                         ins->sreg1 = array_reg;                                                                         \
 980                         ins->sreg2 = index_reg;                                                                         \
 981                         ins->inst_imm = (array_length_offset);                      \
 982                         ins->flags |= MONO_INST_FAULT;                                                          \
 983                         MONO_ADD_INS ((cfg)->cbb, ins);                                                         \
 984                         (cfg)->flags |= MONO_CFG_NEEDS_DECOMPOSE;                                       \
 985                         (cfg)->cbb->needs_decompose = TRUE;                                                     \
 986                 }                                                                                                                               \
 987                 }                                                                                                                               \
 988     } while (0)
 989
 990 /* cfg is the MonoCompile been used
 991  * array_reg is the vreg holding the array object
 992  * array_type is a struct (usually MonoArray or MonoString)
 993  * array_length_field is the field in the previous struct with the length
 994  * index_reg is the vreg holding the index
 995  */
 996 #define MONO_EMIT_BOUNDS_CHECK(cfg, array_reg, array_type, array_length_field, index_reg) do { \
 997                 MONO_EMIT_BOUNDS_CHECK_OFFSET ((cfg), (array_reg), MONO_STRUCT_OFFSET (array_type, array_length_field), (index_reg)); \
 998     } while (0)
 999
1000 G_END_DECLS
1001
1002 #endif