text: /*
   * ir-emit.h: IR Creation/Emission Macros
   *
   * Author:
   *   Zoltan Varga (vargaz@gmail.com)
   *
   * (C) 2002 Ximian, Inc.
   */
  
  #ifndef __MONO_IR_EMIT_H__
  #define __MONO_IR_EMIT_H__
  
  #include "mini.h"
  
  G_BEGIN_DECLS
  
  static inline guint32
  alloc_ireg (MonoCompile *cfg)
  {
  	return cfg->next_vreg ++;
  }
  
  static inline guint32
  alloc_preg (MonoCompile *cfg)
  {
  	return alloc_ireg (cfg);
  }
  
  static inline guint32
  alloc_lreg (MonoCompile *cfg)
  {
  #if SIZEOF_REGISTER == 8
  	return cfg->next_vreg ++;
  #else
  	/* Use a pair of consecutive vregs */
  	guint32 res = cfg->next_vreg;
  
  	cfg->next_vreg += 3;
  
  	return res;
  #endif
  }
  
  static inline guint32
  alloc_freg (MonoCompile *cfg)
  {
  #ifdef MONO_ARCH_SOFT_FLOAT
  	/* Allocate an lvreg so float ops can be decomposed into long ops */
  	return alloc_lreg (cfg);
  #else
  	/* Allocate these from the same pool as the int regs */
  	return cfg->next_vreg ++;
  #endif
  }
  
  static inline guint32
  alloc_ireg_ref (MonoCompile *cfg)
  {
  	int vreg = alloc_ireg (cfg);
  
  	if (cfg->compute_gc_maps)
  		mono_mark_vreg_as_ref (cfg, vreg);
  
  	return vreg;
  }
  
  static inline guint32
  alloc_ireg_mp (MonoCompile *cfg)
  {
  	int vreg = alloc_ireg (cfg);
  
  	if (cfg->compute_gc_maps)
  		mono_mark_vreg_as_mp (cfg, vreg);
  
  	return vreg;
  }
  
  static inline guint32
  alloc_dreg (MonoCompile *cfg, MonoStackType stack_type)
  {
  	switch (stack_type) {
  	case STACK_I4:
  	case STACK_PTR:
  		return alloc_ireg (cfg);
  	case STACK_MP:
  		return alloc_ireg_mp (cfg);
  	case STACK_OBJ:
  		return alloc_ireg_ref (cfg);
  	case STACK_R8:
  		return alloc_freg (cfg);
  	case STACK_I8:
  		return alloc_lreg (cfg);
  	case STACK_VTYPE:
  		return alloc_ireg (cfg);
  	default:
  		g_warning ("Unknown stack type %x\n", stack_type);
  		g_assert_not_reached ();
  		return -1;
  	}
  }
  
  #undef MONO_INST_NEW
  /* 
   * FIXME: zeroing out some fields is not needed with the new IR, but the old 
   * JIT code still uses the left and right fields, so it has to stay.
   */
  #define MONO_INST_NEW(cfg,dest,op) do {	\
  		(dest) = mono_mempool_alloc ((cfg)->mempool, sizeof (MonoInst));	\
  		(dest)->inst_c0 = (dest)->inst_c1 = 0; \
  		(dest)->next = (dest)->prev = NULL;    \
  		(dest)->opcode = (op);	\
          (dest)->flags = 0; \
          (dest)->type = 0; \
          (dest)->dreg = -1;  \
  	MONO_INST_NULLIFY_SREGS ((dest));		    \
          (dest)->cil_code = (cfg)->ip;  \
  	} while (0)
  
  /*
   * Variants which take a dest argument and don't do an emit
   */
  #define NEW_ICONST(cfg,dest,val) do {	\
          MONO_INST_NEW ((cfg), (dest), OP_ICONST); \
  		(dest)->inst_c0 = (val);	\
  		(dest)->type = STACK_I4;	\
  		(dest)->dreg = alloc_dreg ((cfg), STACK_I4);	\
  	} while (0)
  
  /* 
   * Avoid using this with a non-NULL val if possible as it is not AOT 
   * compatible. Use one of the NEW_xxxCONST variants instead.
   */
  #define NEW_PCONST(cfg,dest,val) do {	\
          MONO_INST_NEW ((cfg), (dest), OP_PCONST); \
  		(dest)->inst_p0 = (val);	\
  		(dest)->type = STACK_PTR;	\
  		(dest)->dreg = alloc_dreg ((cfg), STACK_PTR);	\
  	} while (0)
  
  #define NEW_I8CONST(cfg,dest,val) do {  \
          MONO_INST_NEW ((cfg), (dest), OP_I8CONST); \
          (dest)->dreg = alloc_lreg ((cfg)); \
          (dest)->type = STACK_I8; \
          (dest)->inst_l = (val); \
  	} while (0)
  
  #define NEW_STORE_MEMBASE(cfg,dest,op,base,offset,sr) do { \
          MONO_INST_NEW ((cfg), (dest), (op)); \
          (dest)->sreg1 = sr; \
          (dest)->inst_destbasereg = base; \
          (dest)->inst_offset = offset; \
  	} while (0)
  
  #define NEW_LOAD_MEMBASE(cfg,dest,op,dr,base,offset) do { \
          MONO_INST_NEW ((cfg), (dest), (op)); \
          (dest)->dreg = (dr); \
          (dest)->inst_basereg = (base); \
          (dest)->inst_offset = (offset); \
          (dest)->type = STACK_I4; \
  	} while (0)
  
  #define NEW_LOAD_MEM(cfg,dest,op,dr,mem) do { \
          MONO_INST_NEW ((cfg), (dest), (op)); \
          (dest)->dreg = (dr); \
          (dest)->inst_p0 = (gpointer)(gssize)(mem); \
          (dest)->type = STACK_I4; \
  	} while (0)
  
  #define NEW_UNALU(cfg,dest,op,dr,sr1) do { \
          MONO_INST_NEW ((cfg), (dest), (op)); \
          (dest)->dreg = dr; \
          (dest)->sreg1 = sr1; \
      } while (0)        
  
  #define NEW_BIALU(cfg,dest,op,dr,sr1,sr2) do { \
          MONO_INST_NEW ((cfg), (dest), (op)); \
          (dest)->dreg = (dr); \
          (dest)->sreg1 = (sr1); \
          (dest)->sreg2 = (sr2); \
  	} while (0)
  
  #define NEW_BIALU_IMM(cfg,dest,op,dr,sr,imm) do { \
          MONO_INST_NEW ((cfg), (dest), (op)); \
          (dest)->dreg = dr; \
          (dest)->sreg1 = sr; \
          (dest)->inst_imm = (imm); \
  	} while (0)
  
  #ifdef MONO_ARCH_NEED_GOT_VAR
  
  #define NEW_PATCH_INFO(cfg,dest,el1,el2) do {	\
          MONO_INST_NEW ((cfg), (dest), OP_PATCH_INFO); \
  		(dest)->inst_left = (gpointer)(el1);	\
  		(dest)->inst_right = (gpointer)(el2);	\
  	} while (0)
  
  /* FIXME: Add the PUSH_GOT_ENTRY optimizations */
  #define NEW_AOTCONST(cfg,dest,patch_type,cons) do {			\
          MONO_INST_NEW ((cfg), (dest), cfg->compile_aot ? OP_GOT_ENTRY : OP_PCONST); \
  		if (cfg->compile_aot) {					\
  			MonoInst *group, *got_loc;		\
  			got_loc = mono_get_got_var (cfg);		\
  			NEW_PATCH_INFO ((cfg), group, cons, patch_type); \
  			(dest)->inst_basereg = got_loc->dreg;			\
  			(dest)->inst_p1 = group;			\
  		} else {						\
  			(dest)->inst_p0 = (cons);			\
  			(dest)->inst_i1 = (gpointer)(patch_type);	\
  		}							\
  		(dest)->type = STACK_PTR;				\
  		(dest)->dreg = alloc_dreg ((cfg), STACK_PTR);	\
  	} while (0)
  
  #define NEW_AOTCONST_TOKEN(cfg,dest,patch_type,image,token,generic_context,stack_type,stack_class) do { \
  		MonoInst *group, *got_loc;			\
          MONO_INST_NEW ((cfg), (dest), OP_GOT_ENTRY); \
  		got_loc = mono_get_got_var (cfg);			\
  		NEW_PATCH_INFO ((cfg), group, NULL, patch_type);	\
  		group->inst_p0 = mono_jump_info_token_new2 ((cfg)->mempool, (image), (token), (generic_context)); \
  		(dest)->inst_basereg = got_loc->dreg;				\
  		(dest)->inst_p1 = group;				\
  		(dest)->type = (stack_type);				\
          (dest)->klass = (stack_class);          \
  		(dest)->dreg = alloc_dreg ((cfg), (stack_type));	\
  	} while (0)
  
  #else
  
  #define NEW_AOTCONST(cfg,dest,patch_type,cons) do {    \
          MONO_INST_NEW ((cfg), (dest), cfg->compile_aot ? OP_AOTCONST : OP_PCONST); \
  		(dest)->inst_p0 = (cons);	\
  		(dest)->inst_i1 = (gpointer)(patch_type); \
  		(dest)->type = STACK_PTR;	\
  		(dest)->dreg = alloc_dreg ((cfg), STACK_PTR);	\
      } while (0)
  
  #define NEW_AOTCONST_TOKEN(cfg,dest,patch_type,image,token,generic_context,stack_type,stack_class) do { \
          MONO_INST_NEW ((cfg), (dest), OP_AOTCONST); \
  		(dest)->inst_p0 = mono_jump_info_token_new2 ((cfg)->mempool, (image), (token), (generic_context)); \
  		(dest)->inst_p1 = (gpointer)(patch_type); \
  		(dest)->type = (stack_type);	\
          (dest)->klass = (stack_class);          \
  		(dest)->dreg = alloc_dreg ((cfg), (stack_type));	\
      } while (0)
  
  #endif
  
  #define NEW_CLASSCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_CLASS, (val))
  
  #define NEW_IMAGECONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_IMAGE, (val))
  
  #define NEW_FIELDCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_FIELD, (val))
  
  #define NEW_METHODCONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHODCONST, (val))
  
  #define NEW_VTABLECONST(cfg,dest,vtable) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_VTABLE, cfg->compile_aot ? (gpointer)((vtable)->klass) : (vtable))
  
  #define NEW_SFLDACONST(cfg,dest,val) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_SFLDA, (val))
  
  #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)
  
  #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)
  
  #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)
  
  #define NEW_DECLSECCONST(cfg,dest,image,entry) do { \
  		if (cfg->compile_aot) { \
  			NEW_AOTCONST_TOKEN (cfg, dest, MONO_PATCH_INFO_DECLSEC, image, (entry).index, NULL, STACK_OBJ, NULL); \
  		} else { \
  			NEW_PCONST (cfg, args [0], (entry).blob); \
  		} \
  	} while (0)
  
  #define NEW_METHOD_RGCTX_CONST(cfg,dest,method) do { \
  		if (cfg->compile_aot) {											\
  			NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_METHOD_RGCTX, (method)); \
  		} else {														\
  			MonoMethodRuntimeGenericContext *mrgctx;					\
  			mrgctx = mono_method_lookup_rgctx (mono_class_vtable ((cfg)->domain, (method)->klass), mini_method_get_context ((method))->method_inst); \
  			NEW_PCONST ((cfg), (dest), (mrgctx));						\
  		}																\
  	} while (0)
  
  #define NEW_DOMAINCONST(cfg,dest) do { \
  		if ((cfg->opt & MONO_OPT_SHARED) || cfg->compile_aot) {				 \
  			/* avoid depending on undefined C behavior in sequence points */ \
  			MonoInst* __domain_var = mono_get_domainvar (cfg); \
  			NEW_TEMPLOAD (cfg, dest, __domain_var->inst_c0); \
  		} else { \
  			NEW_PCONST (cfg, dest, (cfg)->domain); \
  		} \
  	} while (0)
  
  #define NEW_JIT_ICALL_ADDRCONST(cfg,dest,name) NEW_AOTCONST ((cfg), (dest), MONO_PATCH_INFO_JIT_ICALL_ADDR, (name))
  
  #define GET_VARINFO_INST(cfg,num) ((cfg)->varinfo [(num)]->inst)
  
  #define NEW_VARLOAD(cfg,dest,var,vartype) do { \
          MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
  		(dest)->opcode = mono_type_to_regmove ((cfg), (vartype));  \
  		type_to_eval_stack_type ((cfg), (vartype), (dest));	\
  		(dest)->klass = var->klass;	\
  		(dest)->sreg1 = var->dreg;   \
          (dest)->dreg = alloc_dreg ((cfg), (dest)->type); \
          if ((dest)->opcode == OP_VMOVE) (dest)->klass = mono_class_from_mono_type ((vartype)); \
  	} while (0)
  
  #ifdef MONO_ARCH_SOFT_FLOAT
  #define DECOMPOSE_INTO_REGPAIR(stack_type) ((stack_type) == STACK_I8 || (stack_type) == STACK_R8)
  #else
  #define DECOMPOSE_INTO_REGPAIR(stack_type) ((stack_type) == STACK_I8)
  #endif
  
  #define NEW_VARLOADA(cfg,dest,var,vartype) do {	\
          MONO_INST_NEW ((cfg), (dest), OP_LDADDR); \
  		(dest)->inst_p0 = (var); \
  		(var)->flags |= MONO_INST_INDIRECT;	\
  		(dest)->type = STACK_MP;	\
  		(dest)->klass = (var)->klass;	\
          (dest)->dreg = alloc_dreg ((cfg), STACK_MP); \
  		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; } \
  	} while (0)
  
  #define NEW_VARSTORE(cfg,dest,var,vartype,inst) do {	\
          MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
  		(dest)->opcode = mono_type_to_regmove ((cfg), (vartype));    \
  		(dest)->klass = (var)->klass;	\
          (dest)->sreg1 = (inst)->dreg; \
  		(dest)->dreg = (var)->dreg;   \
          if ((dest)->opcode == OP_VMOVE) (dest)->klass = mono_class_from_mono_type ((vartype)); \
  	} while (0)
  
  #define NEW_TEMPLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), (cfg)->varinfo [(num)], (cfg)->varinfo [(num)]->inst_vtype)
  
  #define NEW_TEMPLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), cfg->varinfo [(num)], cfg->varinfo [(num)]->inst_vtype)
  
  #define NEW_TEMPSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), (cfg)->varinfo [(num)], (cfg)->varinfo [(num)]->inst_vtype, (inst))
  
  #define NEW_ARGLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)])
  
  #define NEW_LOCLOAD(cfg,dest,num) NEW_VARLOAD ((cfg), (dest), cfg->locals [(num)], header->locals [(num)])
  
  #define NEW_LOCSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype, (inst))
  
  #define NEW_ARGSTORE(cfg,dest,num,inst) NEW_VARSTORE ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)], (inst))
  
  #define NEW_LOCLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype)
  
  #define NEW_RETLOADA(cfg,dest) do {	\
          MONO_INST_NEW ((cfg), (dest), OP_MOVE); \
          (dest)->type = STACK_MP; \
  	    (dest)->klass = cfg->ret->klass;	\
  	    (dest)->sreg1 = cfg->vret_addr->dreg;   \
          (dest)->dreg = alloc_dreg ((cfg), (dest)->type); \
  	} while (0)
  
  #define NEW_ARGLOADA(cfg,dest,num) NEW_VARLOADA ((cfg), (dest), arg_array [(num)], param_types [(num)])
  
  /* Promote the vreg to a variable so its address can be taken */
  #define NEW_VARLOADA_VREG(cfg,dest,vreg,ltype) do { \
          MonoInst *var = get_vreg_to_inst ((cfg), (vreg)); \
          if (!var) \
  		    var = mono_compile_create_var_for_vreg ((cfg), (ltype), OP_LOCAL, (vreg)); \
          NEW_VARLOADA ((cfg), (dest), (var), (ltype)); \
      } while (0)
  
  #define NEW_DUMMY_USE(cfg,dest,var) do { \
          MONO_INST_NEW ((cfg), (dest), OP_DUMMY_USE); \
  		(dest)->sreg1 = var->dreg; \
      } while (0)
  
  /* Variants which take a type argument and handle vtypes as well */
  #define NEW_LOAD_MEMBASE_TYPE(cfg,dest,ltype,base,offset) do { \
  	    NEW_LOAD_MEMBASE ((cfg), (dest), mono_type_to_load_membase ((cfg), (ltype)), 0, (base), (offset)); \
  	    type_to_eval_stack_type ((cfg), (ltype), (dest)); \
  	    (dest)->dreg = alloc_dreg ((cfg), (dest)->type); \
      } while (0)
  
  #define NEW_STORE_MEMBASE_TYPE(cfg,dest,ltype,base,offset,sr) do { \
          MONO_INST_NEW ((cfg), (dest), mono_type_to_store_membase ((cfg), (ltype))); \
          (dest)->sreg1 = sr; \
          (dest)->inst_destbasereg = base; \
          (dest)->inst_offset = offset; \
  	    type_to_eval_stack_type ((cfg), (ltype), (dest)); \
          (dest)->klass = mono_class_from_mono_type (ltype); \
  	} while (0)
  
  #define NEW_SEQ_POINT(cfg,dest,il_offset,intr_loc) do {	 \
  	MONO_INST_NEW ((cfg), (dest), OP_SEQ_POINT); \
  	(dest)->inst_imm = (il_offset); \
  	(dest)->flags = intr_loc ? MONO_INST_SINGLE_STEP_LOC : 0; \
  	} while (0)
  
  #define NEW_GC_PARAM_SLOT_LIVENESS_DEF(cfg,dest,offset,type) do { \
  	MONO_INST_NEW ((cfg), (dest), OP_GC_PARAM_SLOT_LIVENESS_DEF); \
  	(dest)->inst_offset = (offset); \
  	(dest)->inst_vtype = (type); \
  	} while (0)
  
  /*
   * Variants which do an emit as well.
   */
  #define EMIT_NEW_ICONST(cfg,dest,val) do { NEW_ICONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_PCONST(cfg,dest,val) do { NEW_PCONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define	EMIT_NEW_I8CONST(cfg,dest,val) do { NEW_I8CONST ((cfg), (dest), (val)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #define EMIT_NEW_DOMAINCONST(cfg,dest) do { NEW_DOMAINCONST ((cfg), (dest)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_DECLSECCONST(cfg,dest,image,entry) do { NEW_DECLSECCONST ((cfg), (dest), (image), (entry)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #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)
  
  #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)
  
  #define EMIT_NEW_VARLOAD(cfg,dest,var,vartype) do { NEW_VARLOAD ((cfg), (dest), (var), (vartype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #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)
  
  #define EMIT_NEW_VARLOADA(cfg,dest,var,vartype) do { NEW_VARLOADA ((cfg), (dest), (var), (vartype)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #ifdef MONO_ARCH_SOFT_FLOAT
  
  /*
   * Since the IL stack (and our vregs) contain double values, we have to do a conversion
   * when loading/storing args/locals of type R4.
   */
  
  #define EMIT_NEW_VARLOAD_SFLOAT(cfg,dest,var,vartype) do { \
  		if (COMPILE_SOFT_FLOAT ((cfg)) && !(vartype)->byref && (vartype)->type == MONO_TYPE_R4) { \
               MonoInst *iargs [1]; \
               EMIT_NEW_VARLOADA (cfg, iargs [0], (var), (vartype)); \
               (dest) = mono_emit_jit_icall (cfg, mono_fload_r4, iargs); \
          } else { \
               EMIT_NEW_VARLOAD ((cfg), (dest), (var), (vartype)); \
          } \
      } while (0)
  
  #define EMIT_NEW_VARSTORE_SFLOAT(cfg,dest,var,vartype,inst) do {	\
  		if (COMPILE_SOFT_FLOAT ((cfg)) && !(vartype)->byref && (vartype)->type == MONO_TYPE_R4) { \
               MonoInst *iargs [2]; \
               iargs [0] = (inst); \
               EMIT_NEW_VARLOADA (cfg, iargs [1], (var), (vartype)); \
               mono_emit_jit_icall (cfg, mono_fstore_r4, iargs); \
          } else { \
               EMIT_NEW_VARSTORE ((cfg), (dest), (var), (vartype), (inst)); \
          } \
      } while (0)
  
  #define EMIT_NEW_ARGLOAD(cfg,dest,num) EMIT_NEW_VARLOAD_SFLOAT ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)])
  
  #define EMIT_NEW_LOCLOAD(cfg,dest,num) EMIT_NEW_VARLOAD_SFLOAT ((cfg), (dest), cfg->locals [(num)], header->locals [(num)])
  
  #define EMIT_NEW_LOCSTORE(cfg,dest,num,inst) EMIT_NEW_VARSTORE_SFLOAT ((cfg), (dest), (cfg)->locals [(num)], (cfg)->locals [(num)]->inst_vtype, (inst))
  
  #define EMIT_NEW_ARGSTORE(cfg,dest,num,inst) EMIT_NEW_VARSTORE_SFLOAT ((cfg), (dest), cfg->args [(num)], cfg->arg_types [(num)], (inst))
  
  #else
  
  #define EMIT_NEW_ARGLOAD(cfg,dest,num) do { NEW_ARGLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_LOCLOAD(cfg,dest,num) do { NEW_LOCLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_LOCSTORE(cfg,dest,num,inst) do { NEW_LOCSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_ARGSTORE(cfg,dest,num,inst) do { NEW_ARGSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #endif
  
  #define EMIT_NEW_TEMPLOAD(cfg,dest,num) do { NEW_TEMPLOAD ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_TEMPLOADA(cfg,dest,num) do { NEW_TEMPLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_LOCLOADA(cfg,dest,num) do { NEW_LOCLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_ARGLOADA(cfg,dest,num) do { NEW_ARGLOADA ((cfg), (dest), (num)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_RETLOADA(cfg,dest) do { NEW_RETLOADA ((cfg), (dest)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #define EMIT_NEW_TEMPSTORE(cfg,dest,num,inst) do { NEW_TEMPSTORE ((cfg), (dest), (num), (inst)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #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)
  
  #define EMIT_NEW_DUMMY_USE(cfg,dest,var) do { NEW_DUMMY_USE ((cfg), (dest), (var)); MONO_ADD_INS ((cfg)->cbb, (dest)); } while (0)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  
  #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)
  /*
   * Variants which do not take an dest argument, but take a dreg argument.
   */
  #define	MONO_EMIT_NEW_ICONST(cfg,dr,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), OP_ICONST); \
          inst->dreg = dr; \
          inst->inst_c0 = imm; \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #define MONO_EMIT_NEW_PCONST(cfg,dr,val) do {	\
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), OP_PCONST); \
          inst->dreg = dr; \
  		(inst)->inst_p0 = (val);	\
  		(inst)->type = STACK_PTR;	\
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #define	MONO_EMIT_NEW_I8CONST(cfg,dr,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), OP_I8CONST); \
          inst->dreg = dr; \
          inst->inst_l = imm; \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #ifdef MONO_ARCH_NEED_GOT_VAR
  
  #define MONO_EMIT_NEW_AOTCONST(cfg,dr,cons,patch_type) do { \
          MonoInst *inst; \
          NEW_AOTCONST ((cfg), (inst), (patch_type), (cons)); \
          inst->dreg = (dr); \
          MONO_ADD_INS ((cfg)->cbb, inst); \
      } while (0)
  
  #else
  
  #define	MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,type) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), cfg->compile_aot ? OP_AOTCONST : OP_PCONST); \
          inst->dreg = dr; \
          inst->inst_p0 = imm; \
          inst->inst_c1 = type; \
  		MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #endif
  
  #define	MONO_EMIT_NEW_CLASSCONST(cfg,dr,imm) MONO_EMIT_NEW_AOTCONST(cfg,dr,imm,MONO_PATCH_INFO_CLASS)
  #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)
  #define MONO_EMIT_NEW_SIGNATURECONST(cfg,dr,sig) MONO_EMIT_NEW_AOTCONST ((cfg), (dr), (sig), MONO_PATCH_INFO_SIGNATURE)
  
  #define MONO_EMIT_NEW_VZERO(cfg,dr,kl) do {	\
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), MONO_CLASS_IS_SIMD (cfg, kl) ? OP_XZERO : OP_VZERO); \
          inst->dreg = dr; \
  		(inst)->type = STACK_VTYPE;	\
          (inst)->klass = (kl); \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #define MONO_EMIT_NEW_UNALU(cfg,op,dr,sr1) do { \
          MonoInst *inst; \
          EMIT_NEW_UNALU ((cfg), (inst), (op), (dr), (sr1)); \
  	} while (0)
  
  #define MONO_EMIT_NEW_BIALU(cfg,op,dr,sr1,sr2) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (op)); \
          inst->dreg = dr; \
          inst->sreg1 = sr1; \
          inst->sreg2 = sr2; \
  	    MONO_ADD_INS (cfg->cbb, inst); \
  	} while (0)
  
  #define MONO_EMIT_NEW_BIALU_IMM(cfg,op,dr,sr,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (op)); \
          inst->dreg = dr; \
          inst->sreg1 = sr; \
          inst->inst_imm = (mgreg_t)(imm);		\
  	    MONO_ADD_INS (cfg->cbb, inst); \
  	} while (0)
  
  #define	MONO_EMIT_NEW_COMPARE_IMM(cfg,sr1,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (OP_COMPARE_IMM)); \
          inst->sreg1 = sr1; \
          inst->inst_imm = (imm);			 \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #define	MONO_EMIT_NEW_ICOMPARE_IMM(cfg,sr1,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), sizeof (mgreg_t) == 8 ? OP_ICOMPARE_IMM : OP_COMPARE_IMM); \
          inst->sreg1 = sr1; \
          inst->inst_imm = (imm);			 \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  /* This is used on 32 bit machines too when running with LLVM */
  #define	MONO_EMIT_NEW_LCOMPARE_IMM(cfg,sr1,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (OP_LCOMPARE_IMM)); \
          inst->sreg1 = sr1;									\
          if (SIZEOF_REGISTER == 4 && COMPILE_LLVM (cfg))  { 	\
  			guint64 _l = (imm);								\
  			inst->inst_imm = _l & 0xffffffff;				\
  			inst->inst_offset = _l >> 32;						\
  		} else { \
  			inst->inst_imm = (imm);		 \
  		}								 \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #define MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg,op,dr,base,offset) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (op)); \
          inst->dreg = dr; \
          inst->inst_basereg = base; \
          inst->inst_offset = offset; \
  	    MONO_ADD_INS (cfg->cbb, inst); \
      } while (0)
  
  #define MONO_EMIT_NEW_LOAD_MEMBASE(cfg,dr,base,offset) MONO_EMIT_NEW_LOAD_MEMBASE_OP ((cfg), (OP_LOAD_MEMBASE), (dr), (base), (offset))
  
  #define MONO_EMIT_NEW_STORE_MEMBASE(cfg,op,base,offset,sr) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (op)); \
          (inst)->sreg1 = sr; \
          (inst)->inst_destbasereg = base; \
          (inst)->inst_offset = offset; \
  	    MONO_ADD_INS (cfg->cbb, inst); \
  	} while (0)
  
  #define MONO_EMIT_NEW_STORE_MEMBASE_IMM(cfg,op,base,offset,imm) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (op)); \
          inst->inst_destbasereg = base; \
          inst->inst_offset = offset; \
          inst->inst_imm = (mgreg_t)(imm); \
          MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  #define	MONO_EMIT_NEW_COND_EXC(cfg,cond,name) do { \
          MonoInst *inst; \
          MONO_INST_NEW ((cfg), (inst), (OP_COND_EXC_##cond)); \
          inst->inst_p1 = (char*)name; \
  	    MONO_ADD_INS ((cfg)->cbb, inst); \
  	} while (0)
  
  /* Branch support */
  
  /*
   * Basic blocks have two numeric identifiers:
   * dfn: Depth First Number
   * block_num: unique ID assigned at bblock creation
   */
  #define NEW_BBLOCK(cfg,bblock) do { \
  	(bblock) = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoBasicBlock)); \
  	(bblock)->block_num = cfg->num_bblocks++; \
      } while (0)
  
  #define ADD_BBLOCK(cfg,b) do {	\
          if ((b)->cil_code)  {\
  			cfg->cil_offset_to_bb [(b)->cil_code - cfg->cil_start] = (b);	\
          } \
  		(b)->real_offset = cfg->real_offset;	\
  	} while (0)
  
  /* Emit a one-way conditional branch */
  /* 
   * The inst_false_bb field of the cond branch will not be set, the JIT code should be
   * prepared to deal with this.
   */
  #ifdef DEBUG_EXTENDED_BBLOCKS
  static int ccount = 0;
  #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,truebb) do { \
          MonoInst *ins; \
          MonoBasicBlock *falsebb; \
          MONO_INST_NEW ((cfg), (ins), (op)); \
          if ((op) == OP_BR) { \
  	        NEW_BBLOCK ((cfg), falsebb); \
              ins->inst_target_bb = (truebb); \
              mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
              MONO_ADD_INS ((cfg)->cbb, ins); \
              MONO_START_BB ((cfg), falsebb); \
          } else { \
              ccount ++; \
  		    ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);	\
              ins->inst_true_bb = (truebb); \
              ins->inst_false_bb = NULL; \
              mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
              MONO_ADD_INS ((cfg)->cbb, ins); \
              if (getenv ("COUNT2") && ccount == atoi (getenv ("COUNT2")) - 1) { printf ("HIT: %d\n", cfg->cbb->block_num); } \
              if (getenv ("COUNT2") && ccount < atoi (getenv ("COUNT2"))) { \
                   cfg->cbb->extended = TRUE; \
              } else { NEW_BBLOCK ((cfg), falsebb); ins->inst_false_bb = (falsebb); mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); MONO_START_BB ((cfg), falsebb); } \
          } \
  	} while (0)
  #else
  #define MONO_EMIT_NEW_BRANCH_BLOCK(cfg,op,truebb) do { \
          MonoInst *ins; \
          MonoBasicBlock *falsebb; \
          MONO_INST_NEW ((cfg), (ins), (op)); \
          if ((op) == OP_BR) { \
  	        NEW_BBLOCK ((cfg), falsebb); \
              ins->inst_target_bb = (truebb); \
              mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
              MONO_ADD_INS ((cfg)->cbb, ins); \
              MONO_START_BB ((cfg), falsebb); \
          } else { \
  		    ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);	\
              ins->inst_true_bb = (truebb); \
              ins->inst_false_bb = NULL; \
              mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
              MONO_ADD_INS ((cfg)->cbb, ins); \
              if (!cfg->enable_extended_bblocks) { \
                  NEW_BBLOCK ((cfg), falsebb); \
                  ins->inst_false_bb = falsebb; \
                  mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); \
                  MONO_START_BB ((cfg), falsebb); \
              } else { \
  				cfg->cbb->extended = TRUE; \
  			} \
          } \
  	} while (0)
  #endif
  
  /* Emit a two-way conditional branch */
  #define	MONO_EMIT_NEW_BRANCH_BLOCK2(cfg,op,truebb,falsebb) do { \
          MonoInst *ins; \
          MONO_INST_NEW ((cfg), (ins), (op)); \
  		ins->inst_many_bb = mono_mempool_alloc (cfg->mempool, sizeof(gpointer)*2);	\
          ins->inst_true_bb = (truebb); \
          ins->inst_false_bb = (falsebb); \
          mono_link_bblock ((cfg), (cfg)->cbb, (truebb)); \
          mono_link_bblock ((cfg), (cfg)->cbb, (falsebb)); \
          MONO_ADD_INS ((cfg)->cbb, ins); \
  	} while (0)
  
  #define MONO_START_BB(cfg, bblock) do { \
          ADD_BBLOCK ((cfg), (bblock)); \
          if (cfg->cbb->last_ins && MONO_IS_COND_BRANCH_OP (cfg->cbb->last_ins) && !cfg->cbb->last_ins->inst_false_bb) { \
              cfg->cbb->last_ins->inst_false_bb = (bblock); \
              mono_link_bblock ((cfg), (cfg)->cbb, (bblock)); \
          } 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)))) \
              mono_link_bblock ((cfg), (cfg)->cbb, (bblock)); \
  	    (cfg)->cbb->next_bb = (bblock); \
  	    (cfg)->cbb = (bblock); \
      } while (0)
  
  /* This marks a place in code where an implicit exception could be thrown */
  #define MONO_EMIT_NEW_IMPLICIT_EXCEPTION(cfg) do { \
  		if (COMPILE_LLVM ((cfg))) {									\
  			MONO_EMIT_NEW_UNALU (cfg, OP_IMPLICIT_EXCEPTION, -1, -1);	\
  		} \
  	} while (0)
  
  /* Loads/Stores which can fault are handled correctly by the LLVM mono branch */
  #define MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE(cfg) do { \
  	if (COMPILE_LLVM (cfg) && !IS_LLVM_MONO_BRANCH)			\
  		MONO_EMIT_NEW_IMPLICIT_EXCEPTION ((cfg));			\
      } while (0)
  
  /* Emit an explicit null check which doesn't depend on SIGSEGV signal handling */
  #define MONO_EMIT_NULL_CHECK(cfg, reg) do { \
  		if (cfg->explicit_null_checks) {							  \
  			MONO_EMIT_NEW_BIALU_IMM (cfg, OP_COMPARE_IMM, -1, (reg), 0); \
  			MONO_EMIT_NEW_COND_EXC (cfg, EQ, "NullReferenceException"); \
  		} else {			\
  			MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE (cfg);						\
  		}																\
  	} while (0)
  
  #define MONO_EMIT_NEW_CHECK_THIS(cfg, sreg) do { \
  		cfg->flags |= MONO_CFG_HAS_CHECK_THIS;	 \
  		if (cfg->explicit_null_checks) {		 \
  			MONO_EMIT_NULL_CHECK (cfg, sreg);				\
  		} else {											\
  			MONO_EMIT_NEW_UNALU (cfg, OP_CHECK_THIS, -1, sreg);			\
  			MONO_EMIT_NEW_IMPLICIT_EXCEPTION_LOAD_STORE (cfg);			\
  		}																\
  		MONO_EMIT_NEW_UNALU (cfg, OP_NOT_NULL, -1, sreg);				\
  	} while (0)
  
  #define NEW_LOAD_MEMBASE_FLAGS(cfg,dest,op,dr,base,offset,ins_flags) do {	\
  		int __ins_flags = ins_flags; \
  		if (__ins_flags & MONO_INST_FAULT) {								\
  			MONO_EMIT_NULL_CHECK ((cfg), (base));						\
  			if (cfg->explicit_null_checks)								\
  				__ins_flags &= ~MONO_INST_FAULT;							\
  		}																\
  		NEW_LOAD_MEMBASE ((cfg), (dest), (op), (dr), (base), (offset));	\
  		(dest)->flags = (__ins_flags);									\
  	} while (0)
  
  #define MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS(cfg,op,dr,base,offset,ins_flags) do { \
          MonoInst *inst;													\
  		int __ins_flags = ins_flags; \
  	    if (__ins_flags & MONO_INST_FAULT) {									\
  			MONO_EMIT_NULL_CHECK ((cfg), (base));						\
  			if (cfg->explicit_null_checks)								\
  				__ins_flags &= ~MONO_INST_FAULT;							\
  		}																\
  		NEW_LOAD_MEMBASE ((cfg), (inst), (op), (dr), (base), (offset)); \
  		inst->flags = (__ins_flags); \
  	    MONO_ADD_INS (cfg->cbb, inst); \
      } while (0)
  
  #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))
  
  /* A load which can cause a nullref */
  #define NEW_LOAD_MEMBASE_FAULT(cfg,dest,op,dr,base,offset) NEW_LOAD_MEMBASE_FLAGS ((cfg), (dest), (op), (dr), (base), (offset), MONO_INST_FAULT)
  
  #define EMIT_NEW_LOAD_MEMBASE_FAULT(cfg,dest,op,dr,base,offset) do { \
  		NEW_LOAD_MEMBASE_FAULT ((cfg), (dest), (op), (dr), (base), (offset)); \
  		MONO_ADD_INS ((cfg)->cbb, (dest)); \
  	} while (0)
  
  #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)
  
  #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))
  
  /*Object Model related macros*/
  
  /* Default bounds check implementation for most architectures + llvm */
  #define MONO_EMIT_DEFAULT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg, fault) do { \
  			int _length_reg = alloc_ireg (cfg); \
  			if (fault) \
  				MONO_EMIT_NEW_LOAD_MEMBASE_OP_FAULT (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, offset); \
  			else \
  				MONO_EMIT_NEW_LOAD_MEMBASE_OP_FLAGS (cfg, OP_LOADI4_MEMBASE, _length_reg, array_reg, offset, MONO_INST_CONSTANT_LOAD); \
  			MONO_EMIT_NEW_BIALU (cfg, OP_COMPARE, -1, _length_reg, index_reg); \
  			MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
  	} while (0)
  
  #ifndef MONO_ARCH_EMIT_BOUNDS_CHECK
  #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) MONO_EMIT_DEFAULT_BOUNDS_CHECK ((cfg), (array_reg), (offset), (index_reg), TRUE)
  #endif
  
  /* cfg is the MonoCompile been used
   * array_reg is the vreg holding the array object
   * array_type is a struct (usually MonoArray or MonoString)
   * array_length_field is the field in the previous struct with the length
   * index_reg is the vreg holding the index
   */
  #define MONO_EMIT_BOUNDS_CHECK(cfg, array_reg, array_type, array_length_field, index_reg) do { \
  		if (!(cfg->opt & MONO_OPT_UNSAFE)) {							\
  		if (!(cfg->opt & MONO_OPT_ABCREM)) {							\
  			MONO_EMIT_NULL_CHECK (cfg, array_reg);						\
  			if (COMPILE_LLVM (cfg)) \
  				MONO_EMIT_DEFAULT_BOUNDS_CHECK ((cfg), (array_reg), G_STRUCT_OFFSET (array_type, array_length_field), (index_reg), TRUE); \
  			else \
  				MONO_ARCH_EMIT_BOUNDS_CHECK ((cfg), (array_reg), G_STRUCT_OFFSET (array_type, array_length_field), (index_reg)); \
  		} else {														\
  			MonoInst *ins;												\
  			MONO_INST_NEW ((cfg), ins, OP_BOUNDS_CHECK);				\
  			ins->sreg1 = array_reg;										\
  			ins->sreg2 = index_reg;										\
  			ins->inst_imm = G_STRUCT_OFFSET (array_type, array_length_field); \
  			ins->flags |= MONO_INST_FAULT; \
  			MONO_ADD_INS ((cfg)->cbb, ins);								\
  			(cfg)->flags |= MONO_CFG_HAS_ARRAY_ACCESS;					\
  			(cfg)->cbb->has_array_access = TRUE;						\
  		}																\
  		}																\
      } while (0)
  
  G_END_DECLS
  
  #endif
  