patch-2.3.35 linux/arch/sparc/lib/ashldi3.S

• Lines: 37
• Date: Mon Dec 20 22:05:52 1999
• Orig file: v2.3.34/linux/arch/sparc/lib/ashldi3.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.34/linux/arch/sparc/lib/ashldi3.S linux/arch/sparc/lib/ashldi3.S
@@ -0,0 +1,36 @@
+/* $Id: ashldi3.S,v 1.2 1999/11/19 04:11:46 davem Exp $
+ * ashldi3.S:	GCC emits these for certain drivers playing
+ *		with long longs.
+ *
+ * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ */
+
+#include <asm/cprefix.h>
+
+	.text
+	.align	4
+	.globl	C_LABEL(__ashldi3)
+C_LABEL(__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