/* Simple bitmaps.
- Copyright (C) 1999, 2000, 2002, 2003, 2004, 2006, 2007, 2008
+ Copyright (C) 1999, 2000, 2002, 2003, 2004, 2006, 2007, 2008, 2010
Free Software Foundation, Inc.
This file is part of GCC.
#include "config.h"
#include "system.h"
#include "coretypes.h"
-#include "tm.h"
-#include "rtl.h"
-#include "flags.h"
-#include "hard-reg-set.h"
-#include "obstack.h"
+#include "sbitmap.h"
+
+#ifdef IN_GCC
+/* FIXME: sbitmap is just a data structure, but we define dataflow functions
+ here also. This is conditional on IN_GCC (see second #ifdef IN_GCC
+ further down).
+ For now, also only conditionally include basic-block.h, but we should
+ find a better place for the dataflow functions. Perhaps cfganal.c? */
#include "basic-block.h"
+#endif
#if GCC_VERSION >= 3400
-#if HOST_BITS_PER_WIDEST_FAST_INT == HOST_BITS_PER_LONG
-#define do_popcount(x) __builtin_popcountl(x)
-#elif HOST_BITS_PER_WIDEST_FAST_INT == HOST_BITS_PER_LONGLONG
-#define do_popcount(x) __builtin_popcountll(x)
-#else
-#error "internal error: sbitmap.h and hwint.h are inconsistent"
-#endif
+# if HOST_BITS_PER_WIDEST_FAST_INT == HOST_BITS_PER_LONG
+# define do_popcount(x) __builtin_popcountl(x)
+# elif HOST_BITS_PER_WIDEST_FAST_INT == HOST_BITS_PER_LONGLONG
+# define do_popcount(x) __builtin_popcountll(x)
+# else
+# error "internal error: sbitmap.h and hwint.h are inconsistent"
+# endif
#else
static unsigned long sbitmap_elt_popcount (SBITMAP_ELT_TYPE);
-#define do_popcount(x) sbitmap_elt_popcount((x))
+# define do_popcount(x) sbitmap_elt_popcount((x))
#endif
+typedef SBITMAP_ELT_TYPE *sbitmap_ptr;
+typedef const SBITMAP_ELT_TYPE *const_sbitmap_ptr;
+
/* This macro controls debugging that is as expensive as the
operations it verifies. */
}
#ifdef IN_GCC
+/* FIXME: depends on basic-block.h, see comment at start of this file.
+
+ Ironically, the comments before the functions below suggest they do
+ dataflow using the "new flow graph structures", but that's the *old*
+ new data structures. The functions receive basic block numbers and
+ use BASIC_BLOCK(idx) to get the basic block. They should receive
+ the basic block directly, *sigh*. */
+
/* Set the bitmap DST to the intersection of SRC of successors of
block number BB, using the new flow graph structures. */
fprintf (file, "}\n");
}
-void
+DEBUG_FUNCTION void
debug_sbitmap (const_sbitmap bmap)
{
dump_sbitmap_file (stderr, bmap);