mono/mini/ir-emit.h

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