#ifndef _ALPHA_BYTEORDER_H#define _ALPHA_BYTEORDER_H #include <asm/types.h>#include <linux/compiler.h>#include <asm/compiler.h> #ifdef __GNUC__ static __inline __attribute_const__ __u32 __arch__swab32(__u32 x){	/*	 * Unfortunately, we can't use the 6 instruction sequence	 * on ev6 since the latency of the UNPKBW is 3, which is	 * pretty hard to hide.  Just in case a future implementation	 * has a lower latency, here's the sequence (also by Mike Burrows)	 *	 * UNPKBW a0, v0       v0: 00AA00BB00CC00DD	 * SLL v0, 24, a0      a0: BB00CC00DD000000	 * BIS v0, a0, a0      a0: BBAACCBBDDCC00DD	 * EXTWL a0, 6, v0     v0: 000000000000BBAA	 * ZAP a0, 0xf3, a0    a0: 00000000DDCC0000	 * ADDL a0, v0, v0     v0: ssssssssDDCCBBAA	 */ 	__u64 t0, t1, t2, t3; 	t0 = __kernel_inslh(x, 7);	/* t0 : 0000000000AABBCC */	t1 = __kernel_inswl(x, 3);	/* t1 : 000000CCDD000000 */	t1 |= t0;			/* t1 : 000000CCDDAABBCC */	t2 = t1 >> 16;			/* t2 : 0000000000CCDDAA */	t0 = t1 & 0xFF00FF00;		/* t0 : 00000000DD00BB00 */	t3 = t2 & 0x00FF00FF;		/* t3 : 0000000000CC00AA */	t1 = t0 + t3;			/* t1 : ssssssssDDCCBBAA */ 	return t1;} #define __arch__swab32 __arch__swab32 #endif /* __GNUC__ */ #define __BYTEORDER_HAS_U64__ #include <linux/byteorder/little_endian.h> #endif /* _ALPHA_BYTEORDER_H */