Initial revision

From-SVN: r14289

gcc/config/mn10200/divmod.c

+long udivmodsi4 ();
+
+long
+__divsi3 (long a, long b)
+{
+  int neg = 0;
+  long res;
+
+  if (a < 0)
+    {
+      a = -a;
+      neg = !neg;
+    }
+
+  if (b < 0)
+    {
+      b = -b;
+      neg = !neg;
+    }
+
+  res = udivmodsi4 (a, b, 0);
+
+  if (neg)
+    res = -res;
+
+  return res;
+}
+
+long
+__modsi3 (long a, long b)
+{
+  int neg = 0;
+  long res;
+
+  if (a < 0)
+    {
+      a = -a;
+      neg = 1;
+    }
+
+  if (b < 0)
+    b = -b;
+
+  res = udivmodsi4 (a, b, 1);
+
+  if (neg)
+    res = -res;
+
+  return res;
+}

gcc/config/mn10200/t-mn10200

+LIBGCC1=libgcc1.null
+CROSS_LIBGCC1 = libgcc1-asm.a
+LIB1ASMSRC = mn10200/lib1funcs.asm
+LIB1ASMFUNCS    = _divhi3 \
+		  _modhi3 \
+		  _addsi3 \
+		  _subsi3 \
+		  _mulsi3 \
+		  _ashlsi3 \
+		  _lshrsi3 \
+		  _ashrsi3 \
+		  _negsi2_d0 \
+		  _negsi2_d2 \
+		  _zero_extendpsisi2_d0 \
+		  _zero_extendpsisi2_d2 \
+		  _sign_extendpsisi2_d0 \
+		  _sign_extendpsisi2_d2 \
+		  _truncsipsi2_d0_d0 \
+		  _truncsipsi2_d0_d1 \
+		  _truncsipsi2_d0_d2 \
+		  _truncsipsi2_d0_d3 \
+		  _truncsipsi2_d2_d0 \
+		  _truncsipsi2_d2_d1 \
+		  _truncsipsi2_d2_d2 \
+		  _truncsipsi2_d2_d3 \
+		  _cmpsi2 \
+		  _ucmpsi2 \
+		  _prologue \
+		  _epilogue_a0 \
+		  _epilogue_d0 \
+		  _epilogue_noreturn
+
+
+# These are really part of libgcc1, but this will cause them to be
+# built correctly, so...
+
+# We do not have DF or DI types, so fake out the libgcc2 compilation.
+LIBGCC2_CFLAGS = -g -O2 -DDF=SF -DDI=SI $(GCC_CFLAGS) $(LIBGCC2_INCLUDES)
+LIB2FUNCS_EXTRA = fp-bit.c $(srcdir)/config/mn10200/udivmodsi4.c \
+	$(srcdir)/config/mn10200/divmod.c $(srcdir)/config/mn10200/udivmod.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	echo '#define FLOAT_ONLY' >> fp-bit.c
+	echo '#define SMALL_MACHINE' >> fp-bit.c
+	echo '#define CMPtype HItype' >> fp-bit.c
+	echo '#ifdef __LITTLE_ENDIAN__' >> fp-bit.c
+	echo '#define FLOAT_BIT_ORDER_MISMATCH' >>fp-bit.c
+	echo '#endif' 		>> fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c

gcc/config/mn10200/udivmod.c

+long udivmodsi4 ();
+
+long
+__udivsi3 (long a, long b)
+{
+  return udivmodsi4 (a, b, 0);
+}
+
+long
+__umodsi3 (long a, long b)
+{
+  return udivmodsi4 (a, b, 1);
+}
+

gcc/config/mn10200/udivmodsi4.c

+unsigned long
+udivmodsi4(unsigned long num, unsigned long den, int modwanted)
+{
+  unsigned long bit = 1;
+  unsigned long 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;
+}

gcc/config/mn10200/xm-mn10200.h

+/* Configuration for Matsushita MN10200. 
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* #defines that need visibility everywhere.  */
+#define FALSE 0
+#define TRUE 1
+
+/* This describes the machine the compiler is hosted on.  */
+#define HOST_BITS_PER_CHAR 8
+#define HOST_BITS_PER_SHORT 16
+#define HOST_BITS_PER_INT 16
+#define HOST_BITS_PER_LONG 32
+#define HOST_BITS_PER_LONGLONG 64
+
+/* Arguments to use with `exit'.  */
+#define SUCCESS_EXIT_CODE 0
+#define FATAL_EXIT_CODE 33
+
+/* target machine dependencies.
+   tm.h is a symbolic link to the actual target specific file.   */
+
+#include "tm.h"
+
+#ifndef __STDC__
+extern char *malloc (), *realloc (), *calloc ();
+#else
+extern void *malloc (), *realloc (), *calloc ();
+#endif
+extern void free ();

gcc/ginclude/va-mn10200.h

+/* CYGNUS LOCAL entire file/law */
+/* Define __gnuc_va_list. */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef void *__gnuc_va_list;
+#endif /* not __GNUC_VA_LIST */
+
+/* If this is for internal libc use, don't define anything but
+   __gnuc_va_list.  */
+#if defined (_STDARG_H) || defined (_VARARGS_H)
+#define __gnuc_va_start(AP) (AP = (__gnuc_va_list)__builtin_saveregs())
+#define __va_ellipsis ...
+
+#ifdef _STDARG_H
+#define va_start(AP, LASTARG) \
+ (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
+#else
+#define va_alist __builtin_va_alist
+#define va_dcl int __builtin_va_alist; __va_ellipsis
+#define va_start(AP)  AP=(char *) &__builtin_va_alist
+#endif
+
+/* Now stuff common to both varargs & stdarg implementations.  */
+#define __va_rounded_size(TYPE)						\
+  (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
+#undef va_end
+void va_end (__gnuc_va_list);
+#define va_end(AP) ((void)0)
+#define va_arg(AP, TYPE)						\
+ (sizeof (TYPE) > 8							\
+  ? (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (char *)),\
+    **((TYPE **) (void *) ((char *) (AP) - __va_rounded_size (char *))))\
+  : (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)),	\
+    *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))))
+#endif
+/* END CYGNUS LOCAL */