[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>

	.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)
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 DM	8	#include <linux/linkage.h>
8695c37d DM	9
1da177e4	10	.text
8695c37d	11	ENTRY(__ashldi3)
1da177e4 LT	12	cmp %o2, 0
	13	be 9f
	14	mov 0x20, %g2
	15
	16	sub %g2, %o2, %g2
	17	cmp %g2, 0
	18	bg 7f
	19	sll %o0, %o2, %g3
	20
	21	neg %g2
	22	clr %o5
	23	b 8f
	24	sll %o1, %g2, %o4
	25	7:
	26	srl %o1, %g2, %g2
	27	sll %o1, %o2, %o5
	28	or %g3, %g2, %o4
	29	8:
	30	mov %o4, %o0
	31	mov %o5, %o1
	32	9:
	33	retl
	34	nop
8695c37d	35	ENDPROC(__ashldi3)