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/// @file xed-common-defs.h
/// @brief some pervasive defines



#ifndef _XED_COMMON_DEFS_H_
# define _XED_COMMON_DEFS_H_

////////////////////////////////////////////////////////////////////////////

#define XED_MAX_OPERANDS 11
#define XED_MAX_NONTERMINALS_PER_INSTRUCTION 20 // FIXME somewhat arbitrary

// for most things it is 4, but one 64b mov allows 8
#define XED_MAX_DISPLACEMENT_BYTES  8

// for most things it is max 4, but one 64b mov allows 8.
#define XED_MAX_IMMEDIATE_BYTES  8

#define XED_MAX_INSTRUCTION_BYTES  15


#define XED_BYTE_MASK(x) ((x) & 0xFF)
#define XED_BYTE_CAST(x) (XED_STATIC_CAST(xed_uint8_t,x))

////////////////////////////////////////////////////////////////////////////
// used for defining bit-field widths
// Microsoft's compiler treats enumerations as signed and if you pack
// the bit-field with values, when you assign it to a full-width enumeration,
// you get junk-- a big negative number. This compensates for cases that I've
// encountered
#if defined(__GNUC__)
#  define XED_BIT_FIELD_PSEUDO_WIDTH4 4
#  define XED_BIT_FIELD_PSEUDO_WIDTH8 8
#else
#  define XED_BIT_FIELD_PSEUDO_WIDTH4 8
#  define XED_BIT_FIELD_PSEUDO_WIDTH8 16
#endif


#endif









