xref: /linux/arch/sparc/lib/ashrdi3.S (revision f3a8b6645dc2e60d11f20c1c23afd964ff4e55ae)
1/*
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#include <linux/linkage.h>
9#include <asm/export.h>
10
11	.text
12ENTRY(__ashrdi3)
13	tst	%o2
14	be	3f
15	 or	%g0, 32, %g2
16
17	sub	%g2, %o2, %g2
18
19	tst	%g2
20	bg	1f
21	 sra	%o0, %o2, %o4
22
23	sra	%o0, 31, %o4
24	sub	%g0, %g2, %g2
25	ba	2f
26	 sra	%o0, %g2, %o5
27
281:
29	sll	%o0, %g2, %g3
30	srl	%o1, %o2, %g2
31	or	%g2, %g3, %o5
322:
33	or	%g0, %o4, %o0
34	or	%g0, %o5, %o1
353:
36	jmpl	%o7 + 8, %g0
37	 nop
38ENDPROC(__ashrdi3)
39EXPORT_SYMBOL(__ashrdi3)
40