enum {
#ifdef G_POWER
	REGISTER_A11=-12,	REGISTER_A10,	REGISTER_A9,	REGISTER_A8,
#elif (defined (ARM) && defined (G_A64))
	REGISTER_A15=-16,	REGISTER_A14,	REGISTER_A13,	REGISTER_A12,
	REGISTER_A11,		REGISTER_A10,	REGISTER_A9,	REGISTER_A8,
#endif
	REGISTER_A7=-8,		REGISTER_A6,	REGISTER_A5,	REGISTER_A4,
	REGISTER_A3,		REGISTER_A2,	REGISTER_A1,	REGISTER_A0,
	REGISTER_D0,		REGISTER_D1,	REGISTER_D2,	REGISTER_D3,
	REGISTER_D4,		REGISTER_D5,	REGISTER_D6,	REGISTER_D7
};

enum {	REGISTER_FP0, REGISTER_FP1, REGISTER_FP2, REGISTER_FP3,
		REGISTER_FP4, REGISTER_FP5, REGISTER_FP6, REGISTER_FP7 };

#define is_a_register(r) ((r)<0)
#define is_d_register(r) ((r)>=0)

#define a_reg_num(r) (~(r))	/* ~n is -(n+1) */
#define d_reg_num(r) (r)

#define num_to_a_reg(r) (~(r))
#define num_to_d_reg(r) (r)

#ifdef I486
# ifdef G_AI64
#	define A_STACK_POINTER				REGISTER_A5
#	define HEAP_POINTER					REGISTER_A6
#	define B_STACK_POINTER				REGISTER_A7
#	define N_ADDRESS_PARAMETER_REGISTERS	3
#	define N_DATA_PARAMETER_REGISTERS		7
#	define N_FLOAT_PARAMETER_REGISTERS		8
# else
#	define A_STACK_POINTER				REGISTER_A3
#  ifndef THREAD32
#	define HEAP_POINTER					REGISTER_A4
#  else
#	define HEAP_POINTER					REGISTER_A2
#  endif
#	define B_STACK_POINTER				REGISTER_A5
#	define N_ADDRESS_PARAMETER_REGISTERS	2
#	define N_DATA_PARAMETER_REGISTERS		2
#	define N_FLOAT_PARAMETER_REGISTERS		7
# endif
#elif defined (ARM)
# ifdef G_A64
#	define A_STACK_POINTER				REGISTER_A8
#	define HEAP_POINTER					REGISTER_A9
#	define B_STACK_POINTER				REGISTER_A10
#	define RESERVE_CODE_REGISTER		REGISTER_A15
# else
#	define A_STACK_POINTER				REGISTER_A4
#	define HEAP_POINTER					REGISTER_A5
#	define B_STACK_POINTER				REGISTER_A6
# endif
#	define N_ADDRESS_PARAMETER_REGISTERS	3
# ifdef G_A64
#	define N_DATA_PARAMETER_REGISTERS		7
# else
#	define N_DATA_PARAMETER_REGISTERS		5
# endif
#	define N_FLOAT_PARAMETER_REGISTERS		8
#else
#	define A_STACK_POINTER				REGISTER_A4
#	if !(defined (sparc) || defined (G_POWER))
#		define GLOBAL_DATA_REGISTER		REGISTER_A5
#	else
#		define RESERVE_CODE_REGISTER	REGISTER_A5
#	endif
#	define HEAP_POINTER					REGISTER_A6
#	ifdef G_POWER
#		define B_STACK_POINTER			REGISTER_A11
#	else
#		define B_STACK_POINTER			REGISTER_A7
#	endif
#	define N_ADDRESS_PARAMETER_REGISTERS	3
#	define N_DATA_PARAMETER_REGISTERS		7
#	define N_FLOAT_PARAMETER_REGISTERS		8
#endif

#ifdef G_POWER
#	define N_REAL_A_REGISTERS 12
#	define INT_REGISTER					REGISTER_A7
#	define CHAR_REGISTER				REGISTER_A8
#	define REAL_REGISTER				REGISTER_A9
#	define BOOL_REGISTER				REGISTER_A10
#elif (defined (ARM) && defined (G_A64))
#	define N_REAL_A_REGISTERS 16
#	define BOOL_REGISTER				REGISTER_A11
#	define CHAR_REGISTER				REGISTER_A12
#	define INT_REGISTER					REGISTER_A13
#	define REAL_REGISTER				REGISTER_A14
#else
#	define N_REAL_A_REGISTERS 8
#endif