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