initial commit

1 files changed, 110 insertions, 0 deletions

diff --git a/gcc/config/z8k/lib2funcs.c b/gcc/config/z8k/lib2funcs.c
new file mode 100755
index 0000000..8b436c7
--- /dev/null
+++ b/gcc/config/z8k/lib2funcs.c
@@ -0,0 +1,110 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+
+This file 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 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file with other programs, and to distribute
+those programs without any restriction coming from the use of this
+file.  (The General Public License restrictions do apply in other
+respects; for example, they cover modification of the file, and
+distribution when not linked into another program.)
+
+This file 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.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* As a special exception, if you link this library with other files,
+   some of which are compiled with GCC, to produce an executable,
+   this library does not by itself cause the resulting executable
+   to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+
+/* This file overrides some functions defined in libgcc2.c, and implements
+   simpler forms of the routines.  The z8k is so limited that I can get
+   faster code using less smart algorithms.. */
+
+
+#define divnorm(num, den, sign) 		\
+{						\
+  if (num < 0) 					\
+    {						\
+      num = -num;				\
+      sign = 1;					\
+    }						\
+  else 						\
+    {						\
+      sign = 0;					\
+    }						\
+						\
+  if (den < 0) 					\
+    {						\
+      den = - den;				\
+      sign = 1 - sign;				\
+    } 						\
+}
+
+
+
+
+
+static unsigned long 
+divmodsi4(int modwanted, unsigned long num, unsigned long den)	
+{						
+  unsigned long int bit = 1;				
+  long int res = 0;				
+  long prevden;
+  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;
+}
+
+
+
+
+
+long 
+__umodsi3 (unsigned long numerator, unsigned long denominator)
+{
+  long dividend;
+  long modul;
+
+  modul= divmodsi4 (1,  numerator, denominator);
+  return modul;
+}
+
+long 
+__udivsi3 (unsigned long numerator, unsigned long denominator)
+{
+  int sign;
+  long dividend;
+  long modul;
+  dividend =   divmodsi4 (0, numerator, denominator);
+  return dividend;
+}
+