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_R8:
  90                 return alloc_freg (cfg);
  91         case STACK_I8:
  92                 return alloc_lreg (cfg);
  93         case STACK_VTYPE:
  94                 return alloc_ireg (cfg);
  95         default:
  96                 g_warning ("Unknown stack type %x\n", stack_type);
  97                 g_assert_not_reached ();
  98                 return -1;
  99         }
 100 }
 101
 102 #undef MONO_INST_NEW
 103 /*
 104  * FIXME: zeroing out some fields is not needed with the new IR, but the old
 105  * JIT code still uses the left and right fields, so it has to stay.
 106  */
 107 #define MONO_INST_NEW(cfg,dest,op) do { \
 108                 (dest) = mono_mempool_alloc ((cfg)->mempool, sizeof (MonoInst));        \
 109                 (dest)->inst_c0 = (dest)->inst_c1 = 0; \
 110                 (dest)->next = (dest)->prev = NULL;    \
 111                 (dest)->opcode = (op);  \
 112         (dest)->flags = 0; \
 113         (dest)->type = 0; \
 114         (dest)->dreg = -1;  \
 115         MONO_INST_NULLIFY_SREGS ((dest));                   \
 116         (dest)->cil_code = (cfg)->ip;  \
 117         } while (0)
 118
 119 /*
 120  * Variants which take a dest argument and don't do an emit
 121  */
 122 #define NEW_ICONST(cfg,dest,val) do {   \
 123         MONO_INST_NEW ((cfg), (dest), OP_ICONST); \
 124                 (dest)->inst_c0 = (val);        \
 125                 (dest)->type = STACK_I4;        \
 126                 (dest)->dreg = alloc_dreg ((cfg), STACK_I4);    \
 127         } while (0)
 128
 129 /*
 130  * Avoid using this with a non-NULL val if possible as it is not AOT
 131  * compatible. Use one of the NEW_xxxCONST variants instead.
 132  */
 133 #define NEW_PCONST(cfg,dest,val) do {   \
 134         MONO_INST_NEW ((cfg), (dest), OP_PCONST); \
 135                 (dest)->inst_p0 = (val);        \
 136                 (dest)->type = STACK_PTR;       \
 137                 (dest)->dreg = alloc_dreg ((cfg), STACK_PTR);   \
 138         } while (0)
 139
 140 #define NEW_I8CONST(cfg,dest,val) do {  \
 141         MONO_INST_NEW ((cfg), (dest), OP_I8CONST); \
 142         (dest)->dreg = alloc_lreg ((cfg)); \
 143         (dest)->type = STACK_I8; \
 144         (dest)->inst_l = (val); \
 145         } while (0)
 146
 147 #define NEW_STORE_MEMBASE(cfg,dest,op,base,offset,sr) do { \
 148         MONO_INST_NEW ((cfg), (dest), (op)); \
 149         (dest)->sreg1 = sr; \
 150         (dest)->inst_destbasereg = base; \
 151         (dest)->inst_offset = offset; \
 152         } while (0)
 153
 154 #define NEW_LOAD_MEMBASE(cfg,dest,op,dr,base,offset) do { \
 155         MONO_INST_NEW ((cfg), (dest), (op)); \
 156         (dest)->dreg = (dr); \
 157         (dest)->inst_basereg = (base); \
 158         (dest)->inst_offset = (offset); \
 159         (dest)->type = STACK_I4; \
 160         } while (0)
 161
 162 #define NEW_LOAD_MEM(cfg,dest,op,dr,mem) do { \
 163         MONO_INST_NEW ((cfg), (dest), (op)); \
 164         (dest)->dreg = (dr); \
 165         (dest)->inst_p0 = (gpointer)(gssize)(mem); \
 166         (dest)->type = STACK_I4; \
 167         } while (0)
 168
 169 #define NEW_UNALU(cfg,dest,op,dr,sr1) do { \
 170         MONO_INST_NEW ((cfg), (dest), (op)); \
 171         (dest)->dreg = dr; \
 172         (dest)->sreg1 = sr1; \
 173     } while (0)
 174
 175 #define NEW_BIALU(cfg,dest,op,dr,sr1,sr2) do { \
 176         MONO_INST_NEW ((cfg), (dest), (op)); \
 177         (dest)->dreg = (dr); \
 178         (dest)->sreg1 = (sr1); \
 179         (dest)->sreg2 = (sr2); \
 180         } while (0)
 181
 182 #define NEW_BIALU_IMM(cfg,dest,op,dr,sr,imm) do { \
 183         MONO_INST_NEW ((cfg), (dest), (op)); \
 184         (dest)->dreg = dr; \
 185         (dest)->sreg1 = sr; \
 186         (dest)->inst_imm = (imm); \
 187         } while (0)
 188
 189 #ifdef MONO_ARCH_NEED_GOT_VAR
 190
 191 #define NEW_PATCH_INFO(cfg,dest,el1,el2) do {   \
 192         MONO_INST_NEW ((cfg), (dest), OP_PATCH_INFO); \
 193                 (dest)->inst_left = (gpointer)(el1);    \
 194                 (dest)->inst_right = (gpointer)(el2);   \
 195         } while (0)
 196
 197 /* FIXME: Add the PUSH_GOT_ENTRY optimizations */
 198 #define NEW_AOTCONST(cfg,dest,patch_type,cons) do {                     \
 199         MONO_INST_NEW ((cfg), (dest), cfg->compile_aot ? OP_GOT_ENTRY : OP_PCONST); \
 200                 if (cfg->compile_aot) {                                 \
 201                         MonoInst *group, *got_loc;              \
 202                         got_loc = mono_get_got_var (cfg);               \
 203                         NEW_PATCH_INFO ((cfg), group, cons, patch_type); \
 204                         (dest)->inst_basereg = got_loc->dreg;                   \
 205                         (dest)->inst_p1 = group;                        \
 206                 } else {                                                \
 207                         (dest)->inst_p0 = (cons);                       \
 208                         (dest)->inst_i1 = (gpointer)(patch_type);       \
 209                 }                                                       \
 210                 (dest)->type = STACK_PTR;                               \
 211                 (dest)->dreg = alloc_dreg ((cfg), STACK_PTR);   \
 212         } while (0)
 213
 214 #define NEW_AOTCONST_TOKEN(cfg,dest,patch_type,image,token,generic_context,stack_type,stack_class) do { \
 215                 MonoInst *group, *got_loc;                      \
 216         MONO_INST_NEW ((cfg), (dest), OP_GOT_ENTRY); \
 217                 got_loc = mono_get_got_var (cfg);                       \
 218                 NEW_PATCH_INFO ((cfg), group, NULL, patch_type);        \
 219                 group->inst_p0 = mono_jump_info_token_new2 ((cfg)->mempool, (image), (token), (generic_context)); \
 220                 (dest)->inst_basereg = got_loc->dreg;                           \
 221                 (dest)->inst_p1 = group;                                \
 222                 (dest)->type = (stack_type);                            \
 223         (dest)->klass = (stack_class);          \
 224                 (dest)->dreg = alloc_dreg ((cfg), (stack_type));        \
 225         } while (0)
 226
 227 #else
 228
 229 #define NEW_AOTCONST(cfg,dest,patch_type,cons) do {    \
 230         MONO_INST_NEW ((cfg), (dest), cfg->compile_aot ? OP_AOTCONST : OP_PCONST); \
 231                 (dest)->inst_p0 = (cons);       \
 232                 (dest)->inst_i1 = (gpointer)(patch_type); \
 233                 (dest)->type = STACK_PTR;       \
 234                 (dest)->dreg = alloc_dreg ((cfg), STACK_PTR);   \
 235     } while (0)
 236
 237 #define NEW_AOTCONST_TOKEN(cfg,dest,patch_type,image,token,generic_context,stack_type,stack_class) do { \
 238         MONO_INST_NEW ((cfg), (dest), OP_AOTCONST); \
 239                 (dest)->inst_p0 = mono_jump_info_token_new2 ((cfg)->mempool, (image), (token), (generic_context)); \
 240                 (dest)->inst_p1 = (gpointer)(patch_type); \
 241                 (dest)->type = (stack_type);    \
 242         (dest)->klass = (stack_class);          \
 243                 (dest)->dreg = alloc_dreg ((cfg), (stack_type));        \
 244     } while (0)
 245
 246 #endif
 247
 248 #define NEW_CLASSCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_CLASS, (val))
 249
 250 #define NEW_IMAGECONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_IMAGE, (val))
 251
 252 #define NEW_FIELDCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_FIELD, (val))
 253
 254 #define NEW_METHODCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHODCONST, (val))
 255
 256 #define NEW_VTABLECONST(cfg,dest,vtable) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_VTABLE, cfg->compile_aot ? (gpointer)((vtable)->klass) : (vtable))
 257
 258 #define NEW_SFLDACONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_SFLDA, (val))
 259
 260 #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)
 261
 262 #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)
 263
 264 #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)
 265
 266 #define NEW_TLS_OFFSETCONST(cfg,dest,key) do { \
 267         if (cfg->compile_aot) { \
 268                 NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_TLS_OFFSET, GINT_TO_POINTER (key)); \
 269         } else {                                                                                                                        \
 270                 int _offset = mini_get_tls_offset ((key));                                                      \
 271                 NEW_PCONST ((cfg), (dest), GINT_TO_POINTER (_offset)); \
 272                 } \
 273         } while (0)
 274
 275 #define NEW_DECLSECCONST(cfg,dest,image,entry) do { \
 276                 if (cfg->compile_aot) { \
 277                         NEW_AOTCONST_TOKEN (cfg, dest, MONO_PATCH_INFO_DECLSEC, image, (entry).index, NULL, STACK_OBJ, NULL); \
 278                 } else { \
 279                         NEW_PCONST (cfg, args [0], (entry).blob); \
 280                 } \
 281         } while (0)
 282
 283 #define NEW_METHOD_RGCTX_CONST(cfg,dest,method) do { \
 284                 if (cfg->compile_aot) {                                                                                 \
 285                         NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHOD_RGCTX, (method)); \
 286                 } else {                                                                                                                \
 287                         MonoMethodRuntimeGenericContext *mrgctx;                                        \
 288                         mrgctx = mono_method_lookup_rgctx (mono_class_vtable ((cfg)->domain, (method)->klass), mini_method_get_context ((method))->method_inst); \
 289                         NEW_PCONST ((cfg), (dest), (mrgctx));                                           \
 290                 }                                                                                                                               \
 291         } while (0)
 292
 293 #define NEW_DOMAINCONST(cfg,dest) do { \
 294                 if ((cfg->opt & MONO_OPT_SHARED) || cfg->compile_aot) {                          \
 295                         /* avoid depending on undefined C behavior in sequence points */ \
 296                         MonoInst* __domain_var = mono_get_domainvar (cfg); \
 297                         NEW_TEMPLOAD (cfg, dest, __domain_var->inst_c0); \
 298                 } else { \
 299                         NEW_PCONST (cfg, dest, (cfg)->domain); \
 300                 } \
 301         } while (0)
 302
 303 #define NEW_JIT_ICALL_ADDRCONST(cfg,dest,name) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_JIT_ICALL_ADDR, (name))
 304
 305 #define GET_VARINFO_INST(cfg,num) ((cfg)->varinfo [(num)]->inst)
 306
 307 #define NEW_VARLOAD(cfg,dest,var,vartype) do { \
 308         MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
 309                 (dest)->opcode = mono_type_to_regmove ((cfg), (vartype));  \
 310                 type_to_eval_stack_type ((cfg), (vartype), (dest));     \
 311                 (dest)->klass = var->klass;     \
 312                 (dest)->sreg1 = var->dreg;   \
 313         (dest)->dreg = alloc_dreg ((cfg), (dest)->type); \
 314         if ((dest)->opcode == OP_VMOVE) (dest)->klass = mono_class_from_mono_type ((vartype)); \
 315         } while (0)
 316
 317 #define DECOMPOSE_INTO_REGPAIR(stack_type) (mono_arch_is_soft_float () ? ((stack_type) == STACK_I8 || (stack_type) == STACK_R8) : ((stack_type) == STACK_I8))
 318
 319 static inline void
 320 handle_gsharedvt_ldaddr (MonoCompile *cfg)
 321 {
 322         /* The decomposition of ldaddr makes use of these two variables, so add uses for them */
 323         MonoInst *use;
 324
 325         MONO_INST_NEW (cfg, use, OP_DUMMY_USE);
 326         use->sreg1 = cfg->gsharedvt_info_var->dreg;
 327         MONO_ADD_INS (cfg->cbb, use);
 328         MONO_INST_NEW (cfg, use, OP_DUMMY_USE);
 329         use->sreg1 = cfg->gsharedvt_locals_var->dreg;
 330         MONO_ADD_INS (cfg->cbb, use);
 331 }
 332
 333 #define NEW_VARLOADA(cfg,dest,var,vartype) do { \
 334         MONO_INST_NEW ((cfg), (dest), OP_LDADDR); \
 335                 (dest)->inst_p0 = (var); \
 336                 (var)->flags |= MONO_INST_INDIRECT;     \
 337                 (dest)->type = STACK_MP;        \
 338                 (dest)->klass = (var)->klass;   \
 339         (dest)->dreg = alloc_dreg ((cfg), STACK_MP); \
 340                 (cfg)->has_indirection = TRUE;  \
 341                           if (G_UNLIKELY (cfg->gsharedvt) && mini_is_gsharedvt_variable_type ((cfg), (var)->inst_vtype)) { handle_gsharedvt_ldaddr ((cfg)); } \
 342                 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; } \
 343         } while (0)
 344
 345 #define NEW_VARSTORE(cfg,dest,var,vartype,inst) do {    \
 346         MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
 347                 (dest)->opcode = mono_type_to_regmove ((cfg), (vartype));    \
 348                 (dest)->klass = (var)->klass;   \
 349         (dest)->sreg1 = (inst)->dreg; \
 350                 (dest)->dreg = (var)->dreg;   \
 351         if ((dest)->opcode == OP_VMOVE) (dest)->klass = mono_class_from_mono_type ((vartype)); \
 352         } while (0)
 353
 354 #define NEW_TEMPLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), (cfg)->varinfo [(num)], (cfg)->varinfo [(num)]->inst_vtype)
 355
 356 #define NEW_TEMPLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), cfg->varinfo [(num)], cfg->varinfo [(num)]->inst_vtype)
 357
 358 #define NEW_TEMPSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), (cfg)->varinfo [(num)], (cfg)->varinfo [(num)]->inst_vtype, (inst))
 359
 360 #define NEW_ARGLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)])
 361
 362 #define NEW_LOCLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), cfg->locals [(num)], header->locals [(num)])
 363
 364 #define NEW_LOCSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype, (inst))
 365
 366 #define NEW_ARGSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)], (inst))
 367
 368 #define NEW_LOCLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype)
 369
 370 #define NEW_RETLOADA(cfg,dest) do {     \
 371         MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
 372         (dest)->type = STACK_MP; \
 373             (dest)->klass = cfg->ret->klass;    \
 374             (dest)->sreg1 = cfg->vret_addr->dreg;   \
 375         (dest)->dreg = alloc_dreg ((cfg), (dest)->type); \
 376         } while (0)
 377
 378 #define NEW_ARGLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), arg_array [(num)], param_types [(num)])
 379
 380 /* Promote the vreg to a variable so its address can be taken */
 381 #define NEW_VARLOADA_VREG(cfg,dest,vreg,ltype) do { \
 382         MonoInst *var = get_vreg_to_inst ((cfg), (vreg)); \
 383         if (!var) \
 384                     var = mono_compile_create_var_for_vreg ((cfg), (ltype), OP_LOCAL, (vreg)); \
 385         NEW_VARLOADA ((cfg), (dest), (var), (ltype)); \
 386     } while (0)
 387
 388 #define NEW_DUMMY_USE(cfg,dest,var) do { \
 389         MONO_INST_NEW ((cfg), (dest), OP_DUMMY_USE); \
 390                 (dest)->sreg1 = var->dreg; \
 391     } while (0)
 392
 393 /* Variants which take a type argument and handle vtypes as well */
 394 #define NEW_LOAD_MEMBASE_TYPE(cfg,dest,ltype,base,offset) do { \
 395             NEW_LOAD_MEMBASE ((cfg), (dest), mono_type_to_load_membase ((cfg), (ltype)), 0, (base), (offset)); \
 396             type_to_eval_stack_type ((cfg), (ltype), (dest)); \
 397             (dest)->dreg = alloc_dreg ((cfg), (dest)->type); \
 398     } while (0)
 399
 400 #define NEW_STORE_MEMBASE_TYPE(cfg,dest,ltype,base,offset,sr) do { \
 401         MONO_INST_NEW ((cfg), (dest), mono_type_to_store_membase ((cfg), (ltype))); \
 402         (dest)->sreg1 = sr; \
 403         (dest)->inst_destbasereg = base; \
 404         (dest)->inst_offset = offset; \
 405             type_to_eval_stack_type ((cfg), (ltype), (dest)); \
 406         (dest)->klass = mono_class_from_mono_type (ltype); \
 407         } while (0)
 408
 409 #define NEW_SEQ_POINT(cfg,dest,il_offset,intr_loc) do {  \
 410         MONO_INST_NEW ((cfg), (dest), OP_SEQ_POINT); \
 411         (dest)->inst_imm = (il_offset); \
 412         (dest)->flags = intr_loc ? MONO_INST_SINGLE_STEP_LOC : 0; \
 413         } while (0)
 414
 415 #define NEW_GC_PARAM_SLOT_LIVENESS_DEF(cfg,dest,offset,type) do { \
 416         MONO_INST_NEW ((cfg), (dest), OP_GC_PARAM_SLOT_LIVENESS_DEF); \
 417         (dest)->inst_offset = (offset); \
 418         (dest)->inst_vtype = (type); \
 419         } while (0)
 420
 421 /*
 422  * Variants which do an emit as well.
 423  */
 424 #define EMIT_NEW_ICONST(cfg,dest,val) do { NEW_ICONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 425
 426 #define EMIT_NEW_PCONST(cfg,dest,val) do { NEW_PCONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 427
 428 #define EMIT_NEW_I8CONST(cfg,dest,val) do { NEW_I8CONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 429
 430 #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)
 431
 432 #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)
 433
 434 #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)
 435
 436 #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)
 437
 438 #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)
 439
 440 #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)
 441
 442 #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)
 443
 444 #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)
 445
 446 #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)
 447
 448 #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)
 449
 450 #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)
 451
 452 #define EMIT_NEW_TLS_OFFSETCONST(cfg,dest,key) do { NEW_TLS_OFFSETCONST ((cfg), (dest), (key)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 453
 454 #define EMIT_NEW_DOMAINCONST(cfg,dest) do { NEW_DOMAINCONST ((cfg), (dest)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 455
 456 #define EMIT_NEW_DECLSECCONST(cfg,dest,image,entry) do { NEW_DECLSECCONST ((cfg), (dest), (image), (entry)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 457
 458 #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)
 459
 460 #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)
 461
 462 #define EMIT_NEW_VARLOAD(cfg,dest,var,vartype) do { NEW_VARLOAD ((cfg), (dest), (var), (vartype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 463
 464 #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)
 465
 466 #define EMIT_NEW_VARLOADA(cfg,dest,var,vartype) do { NEW_VARLOADA ((cfg), (dest), (var), (vartype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 467
 468 #ifdef MONO_ARCH_SOFT_FLOAT_FALLBACK
 469
 470 /*
 471  * Since the IL stack (and our vregs) contain double values, we have to do a conversion
 472  * when loading/storing args/locals of type R4.
 473  */
 474
 475 #define EMIT_NEW_VARLOAD_SFLOAT(cfg,dest,var,vartype) do { \
 476                 if (!COMPILE_LLVM ((cfg)) && !(vartype)->byref && (vartype)->type == MONO_TYPE_R4) { \
 477                         MonoInst *iargs [1]; \
 478                         EMIT_NEW_VARLOADA (cfg, iargs [0], (var), (vartype)); \
 479                         (dest) = mono_emit_jit_icall (cfg, mono_fload_r4, iargs); \
 480                 } else { \
 481                         EMIT_NEW_VARLOAD ((cfg), (dest), (var), (vartype)); \
 482                 } \
 483         } while (0)
 484
 485 #define EMIT_NEW_VARSTORE_SFLOAT(cfg,dest,var,vartype,inst) do {        \
 486                 if (COMPILE_SOFT_FLOAT ((cfg)) && !(vartype)->byref && (vartype)->type == MONO_TYPE_R4) { \
 487                         MonoInst *iargs [2]; \
 488                         iargs [0] = (inst); \
 489                         EMIT_NEW_VARLOADA (cfg, iargs [1], (var), (vartype)); \
 490                         (dest) = mono_emit_jit_icall (cfg, mono_fstore_r4, iargs);      \
 491                 } else { \
 492                         EMIT_NEW_VARSTORE ((cfg), (dest), (var), (vartype), (inst)); \
 493                 } \
 494         } while (0)
 495
 496 #define EMIT_NEW_ARGLOAD(cfg,dest,num) do {     \
 497                 if (mono_arch_is_soft_float ()) {       \
 498                         EMIT_NEW_VARLOAD_SFLOAT ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)]);     \
 499                 } else {        \
 500                         NEW_ARGLOAD ((cfg), (dest), (num));     \
 501                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 502                 }       \
 503         } while (0)
 504
 505 #define EMIT_NEW_LOCLOAD(cfg,dest,num) do {     \
 506                 if (mono_arch_is_soft_float ()) {       \
 507                         EMIT_NEW_VARLOAD_SFLOAT ((cfg), (dest), cfg->locals [(num)], header->locals [(num)]);   \
 508                 } else {        \
 509                         NEW_LOCLOAD ((cfg), (dest), (num));     \
 510                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 511                 }       \
 512         } while (0)
 513
 514 #define EMIT_NEW_LOCSTORE(cfg,dest,num,inst) do {       \
 515                 if (mono_arch_is_soft_float ()) {       \
 516                         EMIT_NEW_VARSTORE_SFLOAT ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype, (inst));     \
 517                 } else {        \
 518                         NEW_LOCSTORE ((cfg), (dest), (num), (inst));    \
 519                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 520                 }       \
 521         } while (0)
 522
 523 #define EMIT_NEW_ARGSTORE(cfg,dest,num,inst) do {       \
 524                 if (mono_arch_is_soft_float ()) {       \
 525                         EMIT_NEW_VARSTORE_SFLOAT ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)], (inst));    \
 526                 } else {        \
 527                         NEW_ARGSTORE ((cfg), (dest), (num), (inst));    \
 528                         MONO_ADD_INS ((cfg)->cbb, (dest));      \
 529                 }       \
 530         } while (0)
 531
 532 #else
 533
 534 #define EMIT_NEW_ARGLOAD(cfg,dest,num) do { NEW_ARGLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 535
 536 #define EMIT_NEW_LOCLOAD(cfg,dest,num) do { NEW_LOCLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 537
 538 #define EMIT_NEW_LOCSTORE(cfg,dest,num,inst) do { NEW_LOCSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 539
 540 #define EMIT_NEW_ARGSTORE(cfg,dest,num,inst) do { NEW_ARGSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 541
 542 #endif
 543
 544 #define EMIT_NEW_TEMPLOAD(cfg,dest,num) do { NEW_TEMPLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 545
 546 #define EMIT_NEW_TEMPLOADA(cfg,dest,num) do { NEW_TEMPLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 547
 548 #define EMIT_NEW_LOCLOADA(cfg,dest,num) do { NEW_LOCLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 549
 550 #define EMIT_NEW_ARGLOADA(cfg,dest,num) do { NEW_ARGLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 551
 552 #define EMIT_NEW_RETLOADA(cfg,dest) do { NEW_RETLOADA ((cfg), (dest)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 553
 554 #define EMIT_NEW_TEMPSTORE(cfg,dest,num,inst) do { NEW_TEMPSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 555
 556 #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)
 557
 558 #define EMIT_NEW_DUMMY_USE(cfg,dest,var) do { NEW_DUMMY_USE ((cfg), (dest), (var)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
 559
 560 #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)
 561
 562 #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)
 563
 564 #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)
 565
 566 #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)
 567
 568 #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)
 569
 570 #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)
 571
 572 #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)
 573
 574 #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)
 575 /*
 576  * Variants which do not take an dest argument, but take a dreg argument.
 577  */
 578 #define MONO_EMIT_NEW_ICONST(cfg,dr,imm) do { \
 579         MonoInst *inst; \
 580         MONO_INST_NEW ((cfg), (inst), OP_ICONST); \
 581         inst->dreg = dr; \
 582         inst->inst_c0 = imm; \
 583             MONO_ADD_INS ((cfg)->cbb, inst); \
 584         } while (0)
 585
 586 #define MONO_EMIT_NEW_PCONST(cfg,dr,val) do {   \
 587         MonoInst *inst; \
 588         MONO_INST_NEW ((cfg), (inst), OP_PCONST); \
 589         inst->dreg = dr; \
 590                 (inst)->inst_p0 = (val);        \
 591                 (inst)->type = STACK_PTR;       \
 592             MONO_ADD_INS ((cfg)->cbb, inst); \
 593         } while (0)
 594
 595 #define MONO_EMIT_NEW_I8CONST(cfg,dr,imm) do { \
 596         MonoInst *inst; \
 597         MONO_INST_NEW ((cfg), (inst), OP_I8CONST); \
 598         inst->dreg = dr; \
 599         inst->inst_l = imm; \
 600             MONO_ADD_INS ((cfg)->cbb, inst); \
 601         } while (0)
 602
 603 #define MONO_EMIT_NEW_DUMMY_INIT(cfg,dr,op) do {                          \
 604                 MonoInst *inst;                                                                           \
 605                 MONO_INST_NEW ((cfg), (inst), (op));                              \
 606                 inst->dreg = dr;                                                                          \
 607                 MONO_ADD_INS ((cfg)->cbb, inst);                                          \
 608         } while (0)
 609
 610 #ifdef MONO_ARCH_NEED_GOT_VAR
 611
 612 #define MONO_EMIT_NEW_AOTCONST(cfg,dr,cons,patch_type) do { \
 613         MonoInst *inst; \
 614         NEW_AOTCONST ((cfg), (inst), (patch_type), (cons)); \
 615         inst->dreg = (dr); \
 616         MONO_ADD_INS ((cfg)->cbb, inst); \
 617     } while (0)
 618
 619 #else
 620
 621 #define MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,type) do { \
 622         MonoInst *inst; \
 623         MONO_INST_NEW ((cfg), (inst), cfg->compile_aot ? OP_AOTCONST : OP_PCONST); \
 624         inst->dreg = dr; \
 625         inst->inst_p0 = imm; \
 626         inst->inst_c1 = type; \
 627                 MONO_ADD_INS ((cfg)->cbb, inst); \
 628         } while (0)
 629
 630 #endif
 631
 632 #define MONO_EMIT_NEW_CLASSCONST(cfg,dr,imm) MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,MONO_PATCH_INFO_CLASS)
 633 #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)
 634 #define MONO_EMIT_NEW_SIGNATURECONST(cfg,dr,sig) MONO_EMIT_NEW_AOTCONST ((cfg), (dr), (sig), MONO_PATCH_INFO_SIGNATURE)
 635
 636 #define MONO_EMIT_NEW_VZERO(cfg,dr,kl) do {     \
 637         MonoInst *inst; \
 638         MONO_INST_NEW ((cfg), (inst), MONO_CLASS_IS_SIMD (cfg, kl) ? OP_XZERO : OP_VZERO); \
 639         inst->dreg = dr; \
 640                 (inst)->type = STACK_VTYPE;     \
 641         (inst)->klass = (kl); \
 642             MONO_ADD_INS ((cfg)->cbb, inst); \
 643         } while (0)
 644
 645 #define MONO_EMIT_NEW_UNALU(cfg,op,dr,sr1) do { \
 646         MonoInst *inst; \
 647         EMIT_NEW_UNALU ((cfg), (inst), (op), (dr), (sr1)); \
 648         } while (0)
 649
 650 #define MONO_EMIT_NEW_BIALU(cfg,op,dr,sr1,sr2) do { \
 651         MonoInst *inst; \
 652         MONO_INST_NEW ((cfg), (inst), (op)); \
 653         inst->dreg = dr; \
 654         inst->sreg1 = sr1; \
 655         inst->sreg2 = sr2; \
 656             MONO_ADD_INS (cfg->cbb, inst); \
 657         } while (0)
 658
 659 #define MONO_EMIT_NEW_BIALU_IMM(cfg,op,dr,sr,imm) do { \
 660         MonoInst *inst; \
 661         MONO_INST_NEW ((cfg), (inst), (op)); \
 662         inst->dreg = dr; \
 663         inst->sreg1 = sr; \
 664         inst->inst_imm = (mgreg_t)(imm);                \
 665             MONO_ADD_INS (cfg->cbb, inst); \
 666         } while (0)
 667
 668 #define MONO_EMIT_NEW_COMPARE_IMM(cfg,sr1,imm) do { \
 669         MonoInst *inst; \
 670         MONO_INST_NEW ((cfg), (inst), (OP_COMPARE_IMM)); \
 671         inst->sreg1 = sr1; \
 672         inst->inst_imm = (imm);                  \
 673             MONO_ADD_INS ((cfg)->cbb, inst); \
 674         } while (0)
 675
 676 #define MONO_EMIT_NEW_ICOMPARE_IMM(cfg,sr1,imm) do { \
 677         MonoInst *inst; \
 678         MONO_INST_NEW ((cfg), (inst), sizeof (mgreg_t) == 8 ? OP_ICOMPARE_IMM : OP_COMPARE_IMM); \
 679         inst->sreg1 = sr1; \
 680         inst->inst_imm = (imm);                  \
 681             MONO_ADD_INS ((cfg)->cbb, inst); \
 682         } while (0)
 683
 684 /* This is used on 32 bit machines too when running with LLVM */
 685 #define MONO_EMIT_NEW_LCOMPARE_IMM(cfg,sr1,imm) do { \
 686         MonoInst *inst; \
 687         MONO_INST_NEW ((cfg), (inst), (OP_LCOMPARE_IMM)); \
 688         inst->sreg1 = sr1;                                                                      \
 689         if (SIZEOF_REGISTER == 4 && COMPILE_LLVM (cfg))  {      \
 690                         guint64 _l = (imm);                                                             \
 691                         inst->inst_imm = _l & 0xffffffff;                               \
 692                         inst->inst_offset = _l >> 32;                                           \
 693                 } else { \
 694                         inst->inst_imm = (imm);          \
 695                 }                                                                \
 696             MONO_ADD_INS ((cfg)->cbb, inst); \
 697         } while (0)
 698
 699 #define MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg,op,dr,base,offset) do { \
 700         MonoInst *inst; \
 701         MONO_INST_NEW ((cfg), (inst), (op)); \
 702         inst->dreg = dr; \
 703         inst->inst_basereg = base; \
 704         inst->inst_offset = offset; \
 705             MONO_ADD_INS (cfg->cbb, inst); \
 706     } while (0)
 707
 708 #define MONO_EMIT_NEW_LOAD_MEMBASE(cfg,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP ((cfg), (OP_LOAD_MEMBASE), (dr), (base), (offset))
 709
 710 #define MONO_EMIT_NEW_STORE_MEMBASE(cfg,op,base,offset,sr) do { \
 711         MonoInst *inst; \
 712         MONO_INST_NEW ((cfg), (inst), (op)); \
 713         (inst)->sreg1 = sr; \
 714         (inst)->inst_destbasereg = base; \
 715         (inst)->inst_offset = offset; \
 716             MONO_ADD_INS (cfg->cbb, inst); \
 717         } while (0)
 718
 719 #define MONO_EMIT_NEW_STORE_MEMBASE_IMM(cfg,op,base,offset,imm) do { \
 720         MonoInst *inst; \
 721         MONO_INST_NEW ((cfg), (inst), (op)); \
 722         inst->inst_destbasereg = base; \
 723         inst->inst_offset = offset; \
 724         inst->inst_imm = (mgreg_t)(imm); \
 725         MONO_ADD_INS ((cfg)->cbb, inst); \
 726         } while (0)
 727
 728 #define MONO_EMIT_NEW_COND_EXC(cfg,cond,name) do { \
 729         MonoInst *inst; \
 730         MONO_INST_NEW ((cfg), (inst), (OP_COND_EXC_##cond)); \
 731         inst->inst_p1 = (char*)name; \
 732             MONO_ADD_INS ((cfg)->cbb, inst); \
 733         } while (0)
 734
 735 /* Branch support */
 736
 737 /*
 738  * Basic blocks have two numeric identifiers:
 739  * dfn: Depth First Number
 740  * block_num: unique ID assigned at bblock creation
 741  */
 742 #define NEW_BBLOCK(cfg,bblock) do { \
 743         (bblock) = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoBasicBlock)); \
 744         (bblock)->block_num = cfg->num_bblocks++; \
 745     } while (0)
 746
 747 #define ADD_BBLOCK(cfg,b) do {  \
 748         if ((b)->cil_code)  {\
 749                         cfg->cil_offset_to_bb [(b)->cil_code - cfg->cil_start] = (b);   \
 750         } \
 751                 (b)->real_offset = cfg->real_offset;    \
 752         } while (0)
 753
 754 /* Emit a one-way conditional branch */
 755 /*
 756  * The inst_false_bb field of the cond branch will not be set, the JIT code should be
 757  * prepared to deal with this.
 758  */
 759 #ifdef DEBUG_EXTENDED_BBLOCKS
 760 static int ccount = 0;
 761 #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,truebb) do { \
 762         MonoInst *ins; \
 763         MonoBasicBlock *falsebb; \
 764         MONO_INST_NEW ((cfg), (ins), (op)); \
 765         if ((op) == OP_BR) { \
 766                 NEW_BBLOCK ((cfg), falsebb); \
 767             ins->inst_target_bb = (truebb); \
 768             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 769             MONO_ADD_INS ((cfg)->cbb, ins); \
 770             MONO_START_BB ((cfg), falsebb); \
 771         } else { \
 772             ccount ++; \
 773                     ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);  \
 774             ins->inst_true_bb = (truebb); \
 775             ins->inst_false_bb = NULL; \
 776             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 777             MONO_ADD_INS ((cfg)->cbb, ins); \
 778             if (g_getenv ("COUNT2") && ccount == atoi (g_getenv ("COUNT2")) - 1) { printf ("HIT: %d\n", cfg->cbb->block_num); } \
 779             if (g_getenv ("COUNT2") && ccount < atoi (g_getenv ("COUNT2"))) { \
 780                  cfg->cbb->extended = TRUE; \
 781             } else { NEW_BBLOCK ((cfg), falsebb); ins->inst_false_bb = (falsebb); mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); MONO_START_BB ((cfg), falsebb); } \
 782         } \
 783         } while (0)
 784 #else
 785 #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,truebb) do { \
 786         MonoInst *ins; \
 787         MonoBasicBlock *falsebb; \
 788         MONO_INST_NEW ((cfg), (ins), (op)); \
 789         if ((op) == OP_BR) { \
 790                 NEW_BBLOCK ((cfg), falsebb); \
 791             ins->inst_target_bb = (truebb); \
 792             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 793             MONO_ADD_INS ((cfg)->cbb, ins); \
 794             MONO_START_BB ((cfg), falsebb); \
 795         } else { \
 796                     ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);  \
 797             ins->inst_true_bb = (truebb); \
 798             ins->inst_false_bb = NULL; \
 799             mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 800             MONO_ADD_INS ((cfg)->cbb, ins); \
 801             if (!cfg->enable_extended_bblocks) { \
 802                 NEW_BBLOCK ((cfg), falsebb); \
 803                 ins->inst_false_bb = falsebb; \
 804                 mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); \
 805                 MONO_START_BB ((cfg), falsebb); \
 806             } else { \
 807                                 cfg->cbb->extended = TRUE; \
 808                         } \
 809         } \
 810         } while (0)
 811 #endif
 812
 813 /* Emit a two-way conditional branch */
 814 #define MONO_EMIT_NEW_BRANCH_BLOCK2(cfg,op,truebb,falsebb) do { \
 815         MonoInst *ins; \
 816         MONO_INST_NEW ((cfg), (ins), (op)); \
 817                 ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);      \
 818         ins->inst_true_bb = (truebb); \
 819         ins->inst_false_bb = (falsebb); \
 820         mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
 821         mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); \
 822         MONO_ADD_INS ((cfg)->cbb, ins); \
 823         } while (0)
 824
 825 #define MONO_START_BB(cfg, bblock) do { \
 826         ADD_BBLOCK ((cfg), (bblock)); \
 827         if (cfg->cbb->last_ins && MONO_IS_COND_BRANCH_OP (cfg->cbb->last_ins) && !cfg->cbb->last_ins->inst_false_bb) { \
 828             cfg->cbb->last_ins->inst_false_bb = (bblock); \
 829             mono_link_bblock ((cfg), (cfg)->cbb, (bblock)); \
 830         } 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)))) \
 831             mono_link_bblock ((cfg), (cfg)->cbb, (bblock)); \
 832             (cfg)->cbb->next_bb = (bblock); \
 833             (cfg)->cbb = (bblock); \
 834     } while (0)
 835
 836 /* This marks a place in code where an implicit exception could be thrown */
 837 #define MONO_EMIT_NEW_IMPLICIT_EXCEPTION(cfg) do { \
 838                 if (COMPILE_LLVM ((cfg))) {                                                                     \
 839                         MONO_EMIT_NEW_UNALU (cfg, OP_IMPLICIT_EXCEPTION, -1, -1);       \
 840                 } \
 841         } while (0)
 842
 843 /* Loads/Stores which can fault are handled correctly by the LLVM mono branch */
 844 #define MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE(cfg) do { \
 845     } while (0)
 846
 847 /* Emit an explicit null check which doesn't depend on SIGSEGV signal handling */
 848 #define MONO_EMIT_NULL_CHECK(cfg, reg) do { \
 849                 if (cfg->explicit_null_checks) {                                                          \
 850                         MONO_EMIT_NEW_BIALU_IMM (cfg, OP_COMPARE_IMM, -1, (reg), 0); \
 851                         MONO_EMIT_NEW_COND_EXC (cfg, EQ, "NullReferenceException"); \
 852                 } else {                        \
 853                         MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE (cfg);                                              \
 854                 }                                                                                                                               \
 855         } while (0)
 856
 857 #define MONO_EMIT_NEW_CHECK_THIS(cfg, sreg) do { \
 858                 cfg->flags |= MONO_CFG_HAS_CHECK_THIS;   \
 859                 if (cfg->explicit_null_checks) {                 \
 860                         MONO_EMIT_NULL_CHECK (cfg, sreg);                               \
 861                 } else {                                                                                        \
 862                         MONO_EMIT_NEW_UNALU (cfg, OP_CHECK_THIS, -1, sreg);                     \
 863                         MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE (cfg);                      \
 864                 }                                                                                                                               \
 865                 MONO_EMIT_NEW_UNALU (cfg, OP_NOT_NULL, -1, sreg);                               \
 866         } while (0)
 867
 868 #define NEW_LOAD_MEMBASE_FLAGS(cfg,dest,op,dr,base,offset,ins_flags) do {       \
 869                 int __ins_flags = ins_flags; \
 870                 if (__ins_flags & MONO_INST_FAULT) {                                                            \
 871                         MONO_EMIT_NULL_CHECK ((cfg), (base));                                           \
 872                 }                                                                                                                               \
 873                 NEW_LOAD_MEMBASE ((cfg), (dest), (op), (dr), (base), (offset)); \
 874                 (dest)->flags = (__ins_flags);                                                                  \
 875         } while (0)
 876
 877 #define MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS(cfg,op,dr,base,offset,ins_flags) do { \
 878         MonoInst *inst;                                                                                                 \
 879                 int __ins_flags = ins_flags; \
 880             if (__ins_flags & MONO_INST_FAULT) {                                                                        \
 881                         MONO_EMIT_NULL_CHECK ((cfg), (base));                                           \
 882                 }                                                                                                                               \
 883                 NEW_LOAD_MEMBASE ((cfg), (inst), (op), (dr), (base), (offset)); \
 884                 inst->flags = (__ins_flags); \
 885             MONO_ADD_INS (cfg->cbb, inst); \
 886     } while (0)
 887
 888 #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))
 889
 890 /* A load which can cause a nullref */
 891 #define NEW_LOAD_MEMBASE_FAULT(cfg,dest,op,dr,base,offset) NEW_LOAD_MEMBASE_FLAGS ((cfg), (dest), (op), (dr), (base), (offset), MONO_INST_FAULT)
 892
 893 #define EMIT_NEW_LOAD_MEMBASE_FAULT(cfg,dest,op,dr,base,offset) do { \
 894                 NEW_LOAD_MEMBASE_FAULT ((cfg), (dest), (op), (dr), (base), (offset)); \
 895                 MONO_ADD_INS ((cfg)->cbb, (dest)); \
 896         } while (0)
 897
 898 #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)
 899
 900 #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))
 901
 902 #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)
 903
 904 #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)
 905
 906 #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))
 907
 908 /*Object Model related macros*/
 909
 910 /* Default bounds check implementation for most architectures + llvm */
 911 #define MONO_EMIT_DEFAULT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg, fault) do { \
 912                         int _length_reg = alloc_ireg (cfg); \
 913                         if (fault) \
 914                                 MONO_EMIT_NEW_LOAD_MEMBASE_OP_FAULT (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, offset); \
 915                         else \
 916                                 MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, offset, MONO_INST_INVARIANT_LOAD); \
 917                         MONO_EMIT_NEW_BIALU (cfg, OP_COMPARE, -1, _length_reg, index_reg); \
 918                         MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
 919         } while (0)
 920
 921 #ifndef MONO_ARCH_EMIT_BOUNDS_CHECK
 922 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) MONO_EMIT_DEFAULT_BOUNDS_CHECK ((cfg), (array_reg), (offset), (index_reg), TRUE)
 923 #endif
 924
 925 /* cfg is the MonoCompile been used
 926  * array_reg is the vreg holding the array object
 927  * array_type is a struct (usually MonoArray or MonoString)
 928  * array_length_field is the field in the previous struct with the length
 929  * index_reg is the vreg holding the index
 930  */
 931 #define MONO_EMIT_BOUNDS_CHECK(cfg, array_reg, array_type, array_length_field, index_reg) do { \
 932                 if (!(cfg->opt & MONO_OPT_UNSAFE)) {                                                    \
 933                 if (!(cfg->opt & MONO_OPT_ABCREM)) {                                                    \
 934                         MONO_EMIT_NULL_CHECK (cfg, array_reg);                                          \
 935                         if (COMPILE_LLVM (cfg)) \
 936                                 MONO_EMIT_DEFAULT_BOUNDS_CHECK ((cfg), (array_reg), G_STRUCT_OFFSET (array_type, array_length_field), (index_reg), TRUE); \
 937                         else \
 938                                 MONO_ARCH_EMIT_BOUNDS_CHECK ((cfg), (array_reg), G_STRUCT_OFFSET (array_type, array_length_field), (index_reg)); \
 939                 } else {                                                                                                                \
 940                         MonoInst *ins;                                                                                          \
 941                         MONO_INST_NEW ((cfg), ins, OP_BOUNDS_CHECK);                            \
 942                         ins->sreg1 = array_reg;                                                                         \
 943                         ins->sreg2 = index_reg;                                                                         \
 944                         ins->inst_imm = G_STRUCT_OFFSET (array_type, array_length_field); \
 945                         ins->flags |= MONO_INST_FAULT; \
 946                         MONO_ADD_INS ((cfg)->cbb, ins);                                                         \
 947                         (cfg)->flags |= MONO_CFG_HAS_ARRAY_ACCESS;                                      \
 948                         (cfg)->cbb->has_array_access = TRUE;                                            \
 949                 }                                                                                                                               \
 950                 }                                                                                                                               \
 951     } while (0)
 952
 953 G_END_DECLS
 954
 955 #endif