* Chill runtime moved into toplevel libchill.

        * Makefile.in Revamped due to move.  Add multilib support.
        * configure.in: Similarly.  Use autoconf.
        * powerset.h: Do not depend on BITS_PER_UNIT.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22238 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 76 insertions, 0 deletions

diff --git a/libchill/xorps.c b/libchill/xorps.c
new file mode 100644
index 00000000000..ddf0012ab62
--- /dev/null
+++ b/libchill/xorps.c
@@ -0,0 +1,76 @@
+/* Implement POWERSET runtime actions for CHILL.
+   Copyright (C) 1992,1993 Free Software Foundation, Inc.
+   Author: Wilfried Moser, et al
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#define __CHILL_LIB__
+
+#include "config.h"
+#include <stdio.h>
+#include "powerset.h"
+
+/*
+ * function __xorpowerset
+ *
+ * parameters:
+ *	out		return from __xorpowerset
+ *	left		left powerset
+ *	right		right powerset
+ *	bitlength	length of powerset in bits
+ *
+ * returns:
+ *	void
+ *
+ * exceptions:
+ *  none
+ *
+ * abstract:
+ *  xor's 2 powersets
+ *
+ */
+
+void
+__xorpowerset (out, left, right, bitlength)
+     SET_WORD      *out;
+     SET_WORD      *left;
+     SET_WORD      *right;
+     unsigned long  bitlength;
+{
+  if (bitlength <= SET_CHAR_SIZE)
+    {
+      *((SET_CHAR *)out) = *((SET_CHAR *)left) ^
+                           *((SET_CHAR *)right);
+      MASK_UNUSED_CHAR_BITS((SET_CHAR *)out, bitlength);
+    }
+  else if (bitlength <= SET_SHORT_SIZE)
+    {
+      *((SET_SHORT *)out) = *((SET_SHORT *)left) ^
+                            *((SET_SHORT *)right);
+      MASK_UNUSED_SHORT_BITS((SET_SHORT *)out, bitlength);
+    }
+  else
+    {
+      unsigned long len = BITS_TO_WORDS(bitlength);
+      register unsigned long i;
+
+      for (i = 0; i < len; i++)
+	out[i] = left[i] ^ right[i];
+      MASK_UNUSED_WORD_BITS ((out + len - 1), 
+			     bitlength % SET_WORD_SIZE);
+    }
+}