[deliverable/linux.git] / arch / sparc / lib / ashldi3.S

/*
 * ashldi3.S:	GCC emits these for certain drivers playing
 *		with long longs.
 *
 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
 */

#include <linux/linkage.h>
#include <asm/export.h>

	.text
ENTRY(__ashldi3)
	cmp	%o2, 0
	be	9f
	 mov	0x20, %g2

	sub	%g2, %o2, %g2
	cmp	%g2, 0
	bg	7f
	 sll	%o0, %o2, %g3

	neg	%g2
	clr	%o5
	b	8f
	 sll	%o1, %g2, %o4
7:
	srl	%o1, %g2, %g2
	sll	%o1, %o2, %o5
	or	%g3, %g2, %o4
8:
	mov	%o4, %o0
	mov	%o5, %o1
9:
	retl
	 nop
ENDPROC(__ashldi3)
EXPORT_SYMBOL(__ashldi3)
Commit	Line	Data
88278ca2	1	/*
1da177e4 LT	2	* ashldi3.S: GCC emits these for certain drivers playing
	3	* with long longs.
	4	*
	5	* Copyright (C) 1999 David S. Miller (davem@redhat.com)
	6	*/
	7
8695c37d	8	#include <linux/linkage.h>
d3867f04	9	#include <asm/export.h>
8695c37d	10
1da177e4	11	.text
8695c37d	12	ENTRY(__ashldi3)
1da177e4 LT	13	cmp %o2, 0
	14	be 9f
	15	mov 0x20, %g2
	16
	17	sub %g2, %o2, %g2
	18	cmp %g2, 0
	19	bg 7f
	20	sll %o0, %o2, %g3
	21
	22	neg %g2
	23	clr %o5
	24	b 8f
	25	sll %o1, %g2, %o4
	26	7:
	27	srl %o1, %g2, %g2
	28	sll %o1, %o2, %o5
	29	or %g3, %g2, %o4
	30	8:
	31	mov %o4, %o0
	32	mov %o5, %o1
	33	9:
	34	retl
	35	nop
8695c37d	36	ENDPROC(__ashldi3)
d3867f04	37	EXPORT_SYMBOL(__ashldi3)