/* Simple bitmaps.
- Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
This file is part of GCC.
02111-1307, USA. */
#ifndef GCC_SBITMAP_H
-#define GCC_SBITMAP_H
+#define GCC_SBITMAP_H
/* It's not clear yet whether using bitmap.[ch] will be a win.
It should be straightforward to convert so for now we keep things simple
while more important issues are dealt with. */
-#define SBITMAP_ELT_BITS ((unsigned) HOST_BITS_PER_WIDE_INT)
-#define SBITMAP_ELT_TYPE unsigned HOST_WIDE_INT
+#define SBITMAP_ELT_BITS ((unsigned) HOST_BITS_PER_WIDEST_FAST_INT)
+#define SBITMAP_ELT_TYPE unsigned HOST_WIDEST_FAST_INT
typedef struct simple_bitmap_def
{
if (word_ != 0) \
for (; bit_num_ < SBITMAP_ELT_BITS; bit_num_++) \
{ \
- SBITMAP_ELT_TYPE _mask = (SBITMAP_ELT_TYPE)1 << bit_num_; \
+ SBITMAP_ELT_TYPE _mask = (SBITMAP_ELT_TYPE) 1 << bit_num_; \
\
if ((word_ & _mask) != 0) \
{ \
} \
} while (0)
+#define EXECUTE_IF_SET_IN_SBITMAP_REV(SBITMAP, N, CODE) \
+do { \
+ unsigned int word_num_; \
+ unsigned int bit_num_; \
+ unsigned int size_ = (SBITMAP)->size; \
+ SBITMAP_ELT_TYPE *ptr_ = (SBITMAP)->elms; \
+ \
+ for (word_num_ = size_; word_num_ > 0; word_num_--) \
+ { \
+ SBITMAP_ELT_TYPE word_ = ptr_[word_num_ - 1]; \
+ \
+ if (word_ != 0) \
+ for (bit_num_ = SBITMAP_ELT_BITS; bit_num_ > 0; bit_num_--) \
+ { \
+ SBITMAP_ELT_TYPE _mask = (SBITMAP_ELT_TYPE)1 << (bit_num_ - 1);\
+ \
+ if ((word_ & _mask) != 0) \
+ { \
+ word_ &= ~ _mask; \
+ (N) = (word_num_ - 1) * SBITMAP_ELT_BITS + bit_num_ - 1;\
+ CODE; \
+ if (word_ == 0) \
+ break; \
+ } \
+ } \
+ } \
+} while (0)
+
#define sbitmap_free(MAP) free(MAP)
#define sbitmap_vector_free(VEC) free(VEC)
struct int_list;
-extern void dump_sbitmap PARAMS ((FILE *, sbitmap));
-extern void dump_sbitmap_vector PARAMS ((FILE *, const char *,
- const char *, sbitmap *,
- int));
-extern sbitmap sbitmap_alloc PARAMS ((unsigned int));
-extern sbitmap *sbitmap_vector_alloc PARAMS ((unsigned int, unsigned int));
-extern void sbitmap_copy PARAMS ((sbitmap, sbitmap));
-extern int sbitmap_equal PARAMS ((sbitmap, sbitmap));
-extern void sbitmap_zero PARAMS ((sbitmap));
-extern void sbitmap_ones PARAMS ((sbitmap));
-extern void sbitmap_vector_zero PARAMS ((sbitmap *, unsigned int));
-extern void sbitmap_vector_ones PARAMS ((sbitmap *, unsigned int));
-
-extern int sbitmap_union_of_diff PARAMS ((sbitmap, sbitmap, sbitmap,
- sbitmap));
-extern void sbitmap_difference PARAMS ((sbitmap, sbitmap, sbitmap));
-extern void sbitmap_not PARAMS ((sbitmap, sbitmap));
-extern int sbitmap_a_or_b_and_c PARAMS ((sbitmap, sbitmap, sbitmap,
- sbitmap));
-extern int sbitmap_a_and_b_or_c PARAMS ((sbitmap, sbitmap, sbitmap,
- sbitmap));
-extern int sbitmap_a_and_b PARAMS ((sbitmap, sbitmap, sbitmap));
-extern int sbitmap_a_or_b PARAMS ((sbitmap, sbitmap, sbitmap));
-extern int sbitmap_a_xor_b PARAMS ((sbitmap, sbitmap, sbitmap));
-extern int sbitmap_a_subset_b_p PARAMS ((sbitmap, sbitmap));
-
-extern int sbitmap_first_set_bit PARAMS ((sbitmap));
-extern int sbitmap_last_set_bit PARAMS ((sbitmap));
-
-extern void sbitmap_intersect_of_predsucc PARAMS ((sbitmap, sbitmap *,
- int, struct int_list **));
+extern void dump_sbitmap (FILE *, sbitmap);
+extern void dump_sbitmap_file (FILE *, sbitmap);
+extern void dump_sbitmap_vector (FILE *, const char *, const char *, sbitmap *,
+ int);
+extern sbitmap sbitmap_alloc (unsigned int);
+extern sbitmap *sbitmap_vector_alloc (unsigned int, unsigned int);
+extern sbitmap sbitmap_resize (sbitmap, unsigned int, int);
+extern void sbitmap_copy (sbitmap, sbitmap);
+extern int sbitmap_equal (sbitmap, sbitmap);
+extern void sbitmap_zero (sbitmap);
+extern void sbitmap_ones (sbitmap);
+extern void sbitmap_vector_zero (sbitmap *, unsigned int);
+extern void sbitmap_vector_ones (sbitmap *, unsigned int);
+
+extern void sbitmap_union_of_diff (sbitmap, sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_union_of_diff_cg (sbitmap, sbitmap, sbitmap, sbitmap);
+extern void sbitmap_difference (sbitmap, sbitmap, sbitmap);
+extern void sbitmap_not (sbitmap, sbitmap);
+extern void sbitmap_a_or_b_and_c (sbitmap, sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_a_or_b_and_c_cg (sbitmap, sbitmap, sbitmap, sbitmap);
+extern void sbitmap_a_and_b_or_c (sbitmap, sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_a_and_b_or_c_cg (sbitmap, sbitmap, sbitmap, sbitmap);
+extern void sbitmap_a_and_b (sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_a_and_b_cg (sbitmap, sbitmap, sbitmap);
+extern void sbitmap_a_or_b (sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_a_or_b_cg (sbitmap, sbitmap, sbitmap);
+extern void sbitmap_a_xor_b (sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_a_xor_b_cg (sbitmap, sbitmap, sbitmap);
+extern bool sbitmap_a_subset_b_p (sbitmap, sbitmap);
+
+extern int sbitmap_first_set_bit (sbitmap);
+extern int sbitmap_last_set_bit (sbitmap);
+
+extern void sbitmap_intersect_of_predsucc (sbitmap, sbitmap *, int,
+ struct int_list **);
#define sbitmap_intersect_of_predecessors sbitmap_intersect_of_predsucc
#define sbitmap_intersect_of_successors sbitmap_intersect_of_predsucc
-extern void sbitmap_union_of_predsucc PARAMS ((sbitmap, sbitmap *, int,
- struct int_list **));
+extern void sbitmap_union_of_predsucc (sbitmap, sbitmap *, int,
+ struct int_list **);
#define sbitmap_union_of_predecessors sbitmap_union_of_predsucc
#define sbitmap_union_of_successors sbitmap_union_of_predsucc
-/* Intersection and Union of preds/succs using the new flow graph
+/* Intersection and Union of preds/succs using the new flow graph
structure instead of the pred/succ arrays. */
-extern void sbitmap_intersection_of_succs PARAMS ((sbitmap, sbitmap *, int));
-extern void sbitmap_intersection_of_preds PARAMS ((sbitmap, sbitmap *, int));
-extern void sbitmap_union_of_succs PARAMS ((sbitmap, sbitmap *, int));
-extern void sbitmap_union_of_preds PARAMS ((sbitmap, sbitmap *, int));
+extern void sbitmap_intersection_of_succs (sbitmap, sbitmap *, int);
+extern void sbitmap_intersection_of_preds (sbitmap, sbitmap *, int);
+extern void sbitmap_union_of_succs (sbitmap, sbitmap *, int);
+extern void sbitmap_union_of_preds (sbitmap, sbitmap *, int);
-extern void debug_sbitmap PARAMS ((sbitmap));
+extern void debug_sbitmap (sbitmap);
+extern sbitmap sbitmap_realloc (sbitmap, unsigned int);
#endif /* ! GCC_SBITMAP_H */