Clean up turn_back_am(), panic on unknown arity.

[libfirm] / include / libfirm / adt / raw_bitset.h

diff --git a/include/libfirm/adt/raw_bitset.h b/include/libfirm/adt/raw_bitset.h
index ba8765e..1426b13 100644 (file)
--- a/include/libfirm/adt/raw_bitset.h
+++ b/include/libfirm/adt/raw_bitset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -300,6 +300,18 @@ static INLINE void rbitset_xor(unsigned *bitset1, const unsigned *bitset2,
        }
 }
 
+static INLINE int rbitset_equal(const unsigned *bitset1,
+                                const unsigned *bitset2, size_t size)
+{
+       unsigned i, n = BITSET_SIZE_ELEMS(size);
+
+       for(i = 0; i < n; ++i) {
+               if(bitset1[i] != bitset2[i])
+                       return 0;
+       }
+       return 1;
+}
+
 /**
  * Copy a raw bitset into an bitset.
  *