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

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