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/arch/sparc/lib/ashrdi3.S

https://bitbucket.org/evzijst/gittest
Assembly | 36 lines | 31 code | 5 blank | 0 comment | 0 complexity | f11dc14d2c2027148fe738bc505207cc MD5 | raw file
 1/* $Id: ashrdi3.S,v 1.4 1999/11/19 04:11:49 davem Exp $
 2 * ashrdi3.S:	The filesystem code creates all kinds of references to
 3 *              this little routine on the sparc with gcc.
 4 *
 5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
 6 */
 7
 8	.text
 9	.align	4
10	.globl __ashrdi3
11__ashrdi3:
12	tst	%o2
13	be	3f
14	 or	%g0, 32, %g2
15
16	sub	%g2, %o2, %g2
17
18	tst	%g2
19	bg	1f
20	 sra	%o0, %o2, %o4
21
22	sra	%o0, 31, %o4
23	sub	%g0, %g2, %g2
24	ba	2f
25	 sra	%o0, %g2, %o5
26
271:
28	sll	%o0, %g2, %g3
29	srl	%o1, %o2, %g2
30	or	%g2, %g3, %o5
312:
32	or	%g0, %o4, %o0
33	or	%g0, %o5, %o1
343:
35	jmpl	%o7 + 8, %g0
36	 nop