From a9a2fddbf2a93b8427478954d4efe9e02080454f Mon Sep 17 00:00:00 2001
From: Paul Koning <ni1d@arrl.net>
Date: Thu, 18 Oct 2018 14:01:15 -0400
Subject: udivmodsi4.c (__udivmodsi4): Rename to conform to coding standard.

	* udivmodsi4.c (__udivmodsi4): Rename to conform to coding
	standard.
	* divmod.c: Update references to __udivmodsi4.
	* udivmod.c: Ditto.
	* udivhi3.c: New file.
	* udivmodhi4.c: New file.
	* config/pdp11/t-pdp11 (LIB2ADD): Add the new files.

From-SVN: r265277
---
 libgcc/udivmodhi4.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 libgcc/udivmodhi4.c

(limited to 'libgcc/udivmodhi4.c')

diff --git a/libgcc/udivmodhi4.c b/libgcc/udivmodhi4.c
new file mode 100644
index 0000000..551a135
--- /dev/null
+++ b/libgcc/udivmodhi4.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+unsigned short
+__udivmodhi4(unsigned short num, unsigned short den, int modwanted)
+{
+  unsigned short bit = 1;
+  unsigned short res = 0;
+
+  while (den < num && bit && !(den & (1L<<31)))
+    {
+      den <<=1;
+      bit <<=1;
+    }
+  while (bit)
+    {
+      if (num >= den)
+	{
+	  num -= den;
+	  res |= bit;
+	}
+      bit >>=1;
+      den >>=1;
+    }
+  if (modwanted) return num;
+  return res;
+}
-- 
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