patch-2.1.97 linux/arch/sparc/math-emu/ashldi3.S

• Lines: 37
• Date: Tue Apr 14 17:44:19 1998
• Orig file: v2.1.96/linux/arch/sparc/math-emu/ashldi3.S
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.96/linux/arch/sparc/math-emu/ashldi3.S linux/arch/sparc/math-emu/ashldi3.S
@@ -0,0 +1,36 @@
+/* $Id: ashldi3.S,v 1.1 1998/04/06 16:09:28 jj Exp $
+ * ashldi3.S:	Math-emu code creates all kinds of references to
+ *              this little routine on the sparc with gcc.
+ *
+ * Copyright (C) 1998 Jakub Jelinek(jj@ultra.linux.cz)
+ */
+
+#include <asm/cprefix.h>
+
+	.globl C_LABEL(__ashldi3)
+C_LABEL(__ashldi3):
+	tst	%o2
+	be	3f
+	 mov	32, %g2
+
+	sub	%g2, %o2, %g2
+
+	tst	%g2
+	bg	1f
+	 srl	%o1, %g2, %g3
+
+	clr	%o5
+	neg	%g2
+	ba	2f
+	 sll	%o1, %g2, %o4
+
+1:
+	sll	%o1, %o2, %o5
+	srl	%o0, %o2, %g2
+	or	%g2, %g3, %o4
+2:
+	mov	%o4, %o0
+	mov	%o5, %o1
+3:
+	jmpl	%o7 + 8, %g0
+	 nop