)

const (
	// mark flags
	LABEL  = 1 << 0
	LEAF   = 1 << 1
	SYNC   = 1 << 2
	BRANCH = 1 << 3
)

const (
	C_NONE = iota
	C_REG
	C_FREG
	C_FCSRREG
	C_FCCREG
	C_ZCON
	C_SCON // 12 bit signed
	C_UCON // 32 bit signed, low 12 bits 0
	C_ADD0CON
	C_AND0CON
	C_ADDCON // -0x800 <= v < 0
	C_ANDCON // 0 < v <= 0xFFF
	C_LCON   // other 32

	NOSCHED = 1 << 7

	NSCHED = 20
)

const (
	C_NONE = iota
	C_REG
	C_FREG
	C_FCREG
	C_MREG /* special processor register */
	C_WREG /* MSA registers */
	C_HI
	C_LO
	C_ZCON
	C_SCON /* 16 bit signed */
	C_UCON /* 32 bit signed, low 16 bits 0 */
	C_ADD0CON
	C_AND0CON
	C_ADDCON /* -0x8000 <= v < 0 */
	C_ANDCON /* 0 < v <= 0xFFFF */
	C_LCON   /* other 32 */