#ifndef GCC_SBITMAP_H
#define GCC_SBITMAP_H
#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
{
unsigned int n_bits;
unsigned int size;
unsigned int bytes;
SBITMAP_ELT_TYPE elms[1];
} *sbitmap;
typedef SBITMAP_ELT_TYPE *sbitmap_ptr;
#define SBITMAP_SET_SIZE(N) (((N) + SBITMAP_ELT_BITS - 1) / SBITMAP_ELT_BITS)
#define SET_BIT(BITMAP, BITNO) \
((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] \
|= (SBITMAP_ELT_TYPE) 1 << (BITNO) % SBITMAP_ELT_BITS)
#define TEST_BIT(BITMAP, BITNO) \
((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] >> (BITNO) % SBITMAP_ELT_BITS & 1)
#define RESET_BIT(BITMAP, BITNO) \
((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] \
&= ~((SBITMAP_ELT_TYPE) 1 << (BITNO) % SBITMAP_ELT_BITS))
typedef struct {
SBITMAP_ELT_TYPE *ptr;
unsigned int size;
unsigned int word_num;
unsigned int bit_num;
SBITMAP_ELT_TYPE word;
} sbitmap_iterator;
static inline void
sbitmap_iter_init (sbitmap_iterator *i, sbitmap bmp, unsigned int min)
{
i->word_num = min / (unsigned int) SBITMAP_ELT_BITS;
i->bit_num = min;
i->size = bmp->size;
i->ptr = bmp->elms;
if (i->word_num >= i->size)
i->word = 0;
else
i->word = (i->ptr[i->word_num]
>> (i->bit_num % (unsigned int) SBITMAP_ELT_BITS));
}
static inline bool
sbitmap_iter_cond (sbitmap_iterator *i, unsigned int *n)
{
for (; i->word == 0; i->word = i->ptr[i->word_num])
{
i->word_num++;
if (i->word_num >= i->size)
return false;
i->bit_num = i->word_num * SBITMAP_ELT_BITS;
}
for (; (i->word & 1) == 0; i->word >>= 1)
i->bit_num++;
*n = i->bit_num;
return true;
}
static inline void
sbitmap_iter_next (sbitmap_iterator *i)
{
i->word >>= 1;
i->bit_num++;
}
#define EXECUTE_IF_SET_IN_SBITMAP(SBITMAP, MIN, N, ITER) \
for (sbitmap_iter_init (&(ITER), (SBITMAP), (MIN)); \
sbitmap_iter_cond (&(ITER), &(N)); \
sbitmap_iter_next (&(ITER)))
#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 (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 bool sbitmap_any_common_bits (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 (sbitmap, sbitmap *, int,
struct int_list **);
#define sbitmap_union_of_predecessors sbitmap_union_of_predsucc
#define sbitmap_union_of_successors sbitmap_union_of_predsucc
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 (sbitmap);
extern sbitmap sbitmap_realloc (sbitmap, unsigned int);
#endif