ARC_BSWAP_TYPE     44 arch/arc/include/uapi/asm/swab.h #if (ARC_BSWAP_TYPE == 1)		/******* Software only ********/
ARC_BSWAP_TYPE     78 arch/arc/include/uapi/asm/swab.h #elif (ARC_BSWAP_TYPE == 2)	/* Custom single cycle bswap instruction */