From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/sh/lib/div64.S | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 arch/sh/lib/div64.S

(limited to 'arch/sh/lib/div64.S')

diff --git a/arch/sh/lib/div64.S b/arch/sh/lib/div64.S
new file mode 100644
index 00000000..5ee7334e
--- /dev/null
+++ b/arch/sh/lib/div64.S
@@ -0,0 +1,46 @@
+/*	
+ * unsigned long __xdiv64_32(unsigned long long n, unsigned long d); 
+ */
+
+#include <linux/linkage.h>
+
+.text
+ENTRY(__xdiv64_32)
+#ifdef CONFIG_CPU_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 CONFIG_CPU_LITTLE_ENDIAN
+	mov	r2, r1
+	rts
+	 rotcl	r0
+#else
+	rotcl	r0
+	mov	r0, r1
+	rts
+	 mov	r2, r0
+#endif
-- 
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