From bd31a058ca2cc9167711ebe600c10717a3aa23fa Mon Sep 17 00:00:00 2001
From: Donn Seeley <donn@ucbvax.Berkeley.EDU>
Date: Fri, 5 Apr 1991 16:48:23 -0800
Subject: [PATCH 1/1] date and time created 91/04/05 09:48:23 by donn

SCCS-vsn: lib/libc/vax/gen/udivsi3.s 6.1
---
 usr/src/lib/libc/vax/gen/udivsi3.s | 39 ++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 usr/src/lib/libc/vax/gen/udivsi3.s

diff --git a/usr/src/lib/libc/vax/gen/udivsi3.s b/usr/src/lib/libc/vax/gen/udivsi3.s
new file mode 100644
index 0000000000..2f4323b919
--- /dev/null
+++ b/usr/src/lib/libc/vax/gen/udivsi3.s
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+	.asciz "@(#)udivsi3.s	6.1 (Berkeley) %G%"
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Unsigned division, GCC flavor.
+ */
+
+#include "DEFS.h"
+
+#define	DIVIDEND	4(ap)
+#define	DIVISOR		8(ap)
+
+ENTRY(__udivsi3,0)
+	movl	DIVISOR,r2
+	jlss	Leasy		# big divisor: settle by comparison
+	movl	DIVIDEND,r0
+	jlss	Lhard		# big dividend: extended division
+	divl2	r2,r0		# small divisor and dividend: signed division
+	ret
+Lhard:
+	clrl	r1
+	ediv	r2,r0,r0,r1
+	ret
+Leasy:
+	cmpl	DIVIDEND,r2
+	jgequ	Lone		# if dividend is as big or bigger, return 1
+	clrl	r0		# else return 0
+	ret
+Lone:
+	movl	$1,r0
+	ret
-- 
2.20.1