patch-2.4.23 linux-2.4.23/arch/sh/lib/div64.S

• Lines: 47
• Date: 2003-11-28 10:26:19.000000000 -0800
• Orig file: linux-2.4.22/arch/sh/lib/div64.S
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.22/arch/sh/lib/div64.S linux-2.4.23/arch/sh/lib/div64.S
@@ -0,0 +1,46 @@
+/*	
+ * unsigned long long __xdiv64_32(unsigned long long n, unsigned long d); 
+ */
+
+#include <linux/linkage.h>
+
+.text
+ENTRY(__xdiv64_32)
+#ifdef  __LITTLE_ENDIAN__
+	mov	r4, r0
+	mov	r5, r1
+#else
+	mov	r4, r1
+	mov	r5, r0
+#endif
+	cmp/hs	r6, r1
+	bf.s	1f
+	mov	#0, r2
+
+	mov	r1, r2
+	mov	#0, r3
+	div0u
+	.rept	32
+	rotcl	r2
+	div1	r6, r3
+	.endr
+	rotcl	r2
+	mul.l	r6, r2
+	sts	macl, r3
+	sub	r3, r1
+1:
+	div0u
+	.rept	32
+	rotcl	r0
+	div1	r6, r1
+	.endr
+#ifdef  __LITTLE_ENDIAN__
+	mov	r2, r1
+	rts
+	rotcl	r0
+#else
+	rotcl	r0
+	mov	r0, r1
+	rts
+	mov	r2, r0
+#endif