[deliverable/linux.git] / arch / arm / lib / bswapsdi2.S

#include <linux/linkage.h>

#if __LINUX_ARM_ARCH__ >= 6
ENTRY(__bswapsi2)
	rev r0, r0
	bx lr
ENDPROC(__bswapsi2)

ENTRY(__bswapdi2)
	rev r3, r0
	rev r0, r1
	mov r1, r3
	bx lr
ENDPROC(__bswapdi2)
#else
ENTRY(__bswapsi2)
	eor r3, r0, r0, ror #16
	mov r3, r3, lsr #8
	bic r3, r3, #0xff00
	eor r0, r3, r0, ror #8
	mov pc, lr
ENDPROC(__bswapsi2)

ENTRY(__bswapdi2)
	mov ip, r1
	eor r3, ip, ip, ror #16
	eor r1, r0, r0, ror #16
	mov r1, r1, lsr #8
	mov r3, r3, lsr #8
	bic r3, r3, #0xff00
	bic r1, r1, #0xff00
	eor r1, r1, r0, ror #8
	eor r0, r3, ip, ror #8
	mov pc, lr
ENDPROC(__bswapdi2)
#endif
Commit	Line	Data
017f161a KP	1	#include <linux/linkage.h>
	2
	3	#if __LINUX_ARM_ARCH__ >= 6
	4	ENTRY(__bswapsi2)
	5	rev r0, r0
	6	bx lr
	7	ENDPROC(__bswapsi2)
	8
	9	ENTRY(__bswapdi2)
	10	rev r3, r0
	11	rev r0, r1
	12	mov r1, r3
	13	bx lr
	14	ENDPROC(__bswapdi2)
	15	#else
	16	ENTRY(__bswapsi2)
	17	eor r3, r0, r0, ror #16
	18	mov r3, r3, lsr #8
	19	bic r3, r3, #0xff00
	20	eor r0, r3, r0, ror #8
	21	mov pc, lr
	22	ENDPROC(__bswapsi2)
	23
	24	ENTRY(__bswapdi2)
	25	mov ip, r1
	26	eor r3, ip, ip, ror #16
	27	eor r1, r0, r0, ror #16
	28	mov r1, r1, lsr #8
	29	mov r3, r3, lsr #8
	30	bic r3, r3, #0xff00
	31	bic r1, r1, #0xff00
	32	eor r1, r1, r0, ror #8
	33	eor r0, r3, ip, ror #8
	34	mov pc, lr
	35	ENDPROC(__bswapdi2)
	36	#endif