/* Simple bitmaps.
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
sbitmap
sbitmap_alloc (n_elms)
- int n_elms;
+ unsigned int n_elms;
{
- int bytes, size, amt;
+ unsigned int bytes, size, amt;
sbitmap bmap;
size = SBITMAP_SET_SIZE (n_elms);
sbitmap *
sbitmap_vector_alloc (n_vecs, n_elms)
- int n_vecs, n_elms;
+ unsigned int n_vecs, n_elms;
{
- int i, bytes, offset, elm_bytes, size, amt, vector_bytes;
+ unsigned int i, bytes, offset, elm_bytes, size, amt, vector_bytes;
sbitmap *bitmap_vector;
size = SBITMAP_SET_SIZE (n_elms);
amt = vector_bytes + (n_vecs * elm_bytes);
bitmap_vector = (sbitmap *) xmalloc (amt);
- for (i = 0, offset = vector_bytes;
- i < n_vecs;
- i++, offset += elm_bytes)
+ for (i = 0, offset = vector_bytes; i < n_vecs; i++, offset += elm_bytes)
{
sbitmap b = (sbitmap) ((char *) bitmap_vector + offset);
+
bitmap_vector[i] = b;
b->n_bits = n_elms;
b->size = size;
sbitmap_zero (bmap)
sbitmap bmap;
{
- bzero ((char *) bmap->elms, bmap->bytes);
+ bzero ((PTR) bmap->elms, bmap->bytes);
}
-/* Set to ones all elements in a bitmap. */
+/* Set all elements in a bitmap to ones. */
void
sbitmap_ones (bmap)
{
unsigned int last_bit;
- memset (bmap->elms, -1, bmap->bytes);
+ memset ((PTR) bmap->elms, -1, bmap->bytes);
- last_bit = bmap->n_bits % (unsigned) SBITMAP_ELT_BITS;
+ last_bit = bmap->n_bits % SBITMAP_ELT_BITS;
if (last_bit)
- {
- bmap->elms[bmap->size - 1]
- = (SBITMAP_ELT_TYPE)-1 >> (SBITMAP_ELT_BITS - last_bit);
- }
+ bmap->elms[bmap->size - 1]
+ = (SBITMAP_ELT_TYPE)-1 >> (SBITMAP_ELT_BITS - last_bit);
}
/* Zero a vector of N_VECS bitmaps. */
void
sbitmap_vector_zero (bmap, n_vecs)
sbitmap *bmap;
- int n_vecs;
+ unsigned int n_vecs;
{
- int i;
+ unsigned int i;
for (i = 0; i < n_vecs; i++)
sbitmap_zero (bmap[i]);
}
-/* Set to ones a vector of N_VECS bitmaps. */
+/* Set a vector of N_VECS bitmaps to ones. */
void
sbitmap_vector_ones (bmap, n_vecs)
sbitmap *bmap;
- int n_vecs;
+ unsigned int n_vecs;
{
- int i;
+ unsigned int i;
for (i = 0; i < n_vecs; i++)
sbitmap_ones (bmap[i]);
sbitmap_union_of_diff (dst, a, b, c)
sbitmap dst, a, b, c;
{
- int i,changed;
+ unsigned int i;
sbitmap_ptr dstp, ap, bp, cp;
+ int changed = 0;
- changed = 0;
- dstp = dst->elms;
- ap = a->elms;
- bp = b->elms;
- cp = c->elms;
- for (i = 0; i < dst->size; i++)
+ for (dstp = dst->elms, ap = a->elms, bp = b->elms, cp = c->elms, i = 0;
+ i < dst->size; i++, dstp++)
{
- SBITMAP_ELT_TYPE tmp = *ap | (*bp & ~*cp);
+ SBITMAP_ELT_TYPE tmp = *ap++ | (*bp++ & ~*cp++);
+
if (*dstp != tmp)
- changed = 1;
- *dstp = tmp;
- dstp++; ap++; bp++; cp++;
+ {
+ changed = 1;
+ *dstp = tmp;
+ }
}
+
return changed;
}
sbitmap_not (dst, src)
sbitmap dst, src;
{
- int i;
- sbitmap_ptr dstp, ap;
+ unsigned int i;
+ sbitmap_ptr dstp, srcp;
- dstp = dst->elms;
- ap = src->elms;
- for (i = 0; i < dst->size; i++)
- {
- SBITMAP_ELT_TYPE tmp = ~(*ap);
- *dstp = tmp;
- dstp++; ap++;
- }
+ for (dstp = dst->elms, srcp = src->elms, i = 0; i < dst->size; i++)
+ *dstp++ = ~(*srcp++);
}
/* Set the bits in DST to be the difference between the bits
- in A and the bits in B. i.e. dst = a - b.
- The - operator is implemented as a & (~b). */
+ in A and the bits in B. i.e. dst = a & (~b). */
void
sbitmap_difference (dst, a, b)
sbitmap dst, a, b;
{
- int i;
+ unsigned int i;
sbitmap_ptr dstp, ap, bp;
-
- dstp = dst->elms;
- ap = a->elms;
- bp = b->elms;
- for (i = 0; i < dst->size; i++)
+
+ for (dstp = dst->elms, ap = a->elms, bp = b->elms, i = 0; i < dst->size; i++)
*dstp++ = *ap++ & (~*bp++);
}
sbitmap_a_and_b (dst, a, b)
sbitmap dst, a, b;
{
- int i,changed;
+ unsigned int i;
sbitmap_ptr dstp, ap, bp;
+ int changed = 0;
- changed = 0;
- dstp = dst->elms;
- ap = a->elms;
- bp = b->elms;
- for (i = 0; i < dst->size; i++)
+ for (dstp = dst->elms, ap = a->elms, bp = b->elms, i = 0; i < dst->size;
+ i++, dstp++)
{
- SBITMAP_ELT_TYPE tmp = *ap & *bp;
+ SBITMAP_ELT_TYPE tmp = *ap++ & *bp++;
+
if (*dstp != tmp)
- changed = 1;
- *dstp = tmp;
- dstp++; ap++; bp++;
+ {
+ changed = 1;
+ *dstp = tmp;
+ }
}
+
return changed;
}
+
/* Set DST to be (A or B)).
Return non-zero if any change is made. */
sbitmap_a_or_b (dst, a, b)
sbitmap dst, a, b;
{
- int i,changed;
+ unsigned int i;
sbitmap_ptr dstp, ap, bp;
+ int changed = 0;
- changed = 0;
- dstp = dst->elms;
- ap = a->elms;
- bp = b->elms;
- for (i = 0; i < dst->size; i++)
+ for (dstp = dst->elms, ap = a->elms, bp = b->elms, i = 0; i < dst->size;
+ i++, dstp++)
{
- SBITMAP_ELT_TYPE tmp = *ap | *bp;
+ SBITMAP_ELT_TYPE tmp = *ap++ | *bp++;
+
if (*dstp != tmp)
- changed = 1;
- *dstp = tmp;
- dstp++; ap++; bp++;
+ {
+ changed = 1;
+ *dstp = tmp;
+ }
}
+
return changed;
}
+
/* Return non-zero if A is a subset of B. */
int
sbitmap_a_subset_b_p (a, b)
sbitmap a, b;
{
- int i;
+ unsigned int i;
sbitmap_ptr ap, bp;
- ap = a->elms;
- bp = b->elms;
- for (i = 0; i < a->size; i++)
- {
- if ((*ap | *bp) != *bp)
- return 0;
- ap++; bp++;
- }
+
+ for (ap = a->elms, bp = b->elms, i = 0; i < a->size; i++)
+ if ((*ap++ | *bp++) != *bp)
+ return 0;
+
return 1;
}
sbitmap_a_or_b_and_c (dst, a, b, c)
sbitmap dst, a, b, c;
{
- int i,changed;
+ unsigned int i;
sbitmap_ptr dstp, ap, bp, cp;
+ int changed = 0;
- changed = 0;
- dstp = dst->elms;
- ap = a->elms;
- bp = b->elms;
- cp = c->elms;
- for (i = 0; i < dst->size; i++)
+ for (dstp = dst->elms, ap = a->elms, bp = b->elms, cp = c->elms, i = 0;
+ i < dst->size; i++, dstp++)
{
- SBITMAP_ELT_TYPE tmp = *ap | (*bp & *cp);
+ SBITMAP_ELT_TYPE tmp = *ap++ | (*bp++ & *cp++);
+
if (*dstp != tmp)
- changed = 1;
- *dstp = tmp;
- dstp++; ap++; bp++; cp++;
+ {
+ changed = 1;
+ *dstp = tmp;
+ }
}
+
return changed;
}
-/* Set DST to be (A ann (B or C)).
+/* Set DST to be (A and (B or C)).
Return non-zero if any change is made. */
int
sbitmap_a_and_b_or_c (dst, a, b, c)
sbitmap dst, a, b, c;
{
- int i,changed;
+ unsigned int i;
sbitmap_ptr dstp, ap, bp, cp;
+ int changed = 0;
- changed = 0;
- dstp = dst->elms;
- ap = a->elms;
- bp = b->elms;
- cp = c->elms;
- for (i = 0; i < dst->size; i++)
+ for (dstp = dst->elms, ap = a->elms, bp = b->elms, cp = c->elms, i = 0;
+ i < dst->size; i++, dstp++)
{
- SBITMAP_ELT_TYPE tmp = *ap & (*bp | *cp);
+ SBITMAP_ELT_TYPE tmp = *ap++ & (*bp++ | *cp++);
+
if (*dstp != tmp)
- changed = 1;
- *dstp = tmp;
- dstp++; ap++; bp++; cp++;
+ {
+ changed = 1;
+ *dstp = tmp;
+ }
}
+
return changed;
}
int bb;
{
basic_block b = BASIC_BLOCK (bb);
- edge e = b->succ;
- int set_size = dst->size;
+ unsigned int set_size = dst->size;
+ edge e;
- for ( ; e != NULL; e = e->succ_next)
+ for (e = b->succ; e != 0; e = e->succ_next)
{
if (e->dest == EXIT_BLOCK_PTR)
continue;
+
sbitmap_copy (dst, src[e->dest->index]);
break;
}
- if (e == NULL)
+
+ if (e == 0)
sbitmap_ones (dst);
else
- {
- for ( e = e->succ_next; e != NULL; e = e->succ_next)
- {
- int i;
- sbitmap_ptr p,r;
-
- if (e->dest == EXIT_BLOCK_PTR)
- continue;
-
- p = src[e->dest->index]->elms;
- r = dst->elms;
- for (i = 0; i < set_size; i++)
- *r++ &= *p++;
- }
- }
+ for (e = e->succ_next; e != 0; e = e->succ_next)
+ {
+ unsigned int i;
+ sbitmap_ptr p, r;
+
+ if (e->dest == EXIT_BLOCK_PTR)
+ continue;
+
+ p = src[e->dest->index]->elms;
+ r = dst->elms;
+ for (i = 0; i < set_size; i++)
+ *r++ &= *p++;
+ }
}
/* Set the bitmap DST to the intersection of SRC of predecessors of
int bb;
{
basic_block b = BASIC_BLOCK (bb);
- edge e = b->pred;
- int set_size = dst->size;
+ unsigned int set_size = dst->size;
+ edge e;
- for ( ; e != NULL; e = e->pred_next)
+ for (e = b->pred; e != 0; e = e->pred_next)
{
- if (e->src== ENTRY_BLOCK_PTR)
+ if (e->src == ENTRY_BLOCK_PTR)
continue;
+
sbitmap_copy (dst, src[e->src->index]);
break;
}
- if (e == NULL)
+
+ if (e == 0)
sbitmap_ones (dst);
else
- {
- for ( e = e->pred_next; e != NULL; e = e->pred_next)
- {
- int i;
- sbitmap_ptr p,r;
-
- if (e->src == ENTRY_BLOCK_PTR)
- continue;
-
- p = src[e->src->index]->elms;
- r = dst->elms;
- for (i = 0; i < set_size; i++)
- *r++ &= *p++;
- }
- }
+ for (e = e->pred_next; e != 0; e = e->pred_next)
+ {
+ unsigned int i;
+ sbitmap_ptr p, r;
+
+ if (e->src == ENTRY_BLOCK_PTR)
+ continue;
+
+ p = src[e->src->index]->elms;
+ r = dst->elms;
+ for (i = 0; i < set_size; i++)
+ *r++ &= *p++;
+ }
}
/* Set the bitmap DST to the union of SRC of successors of
int bb;
{
basic_block b = BASIC_BLOCK (bb);
- edge e = b->succ;
- int set_size = dst->size;
+ unsigned int set_size = dst->size;
+ edge e;
- for ( ; e != NULL; e = e->succ_next)
+ for (e = b->succ; e != 0; e = e->succ_next)
{
if (e->dest == EXIT_BLOCK_PTR)
continue;
+
sbitmap_copy (dst, src[e->dest->index]);
break;
}
- if (e == NULL)
+
+ if (e == 0)
sbitmap_zero (dst);
else
- {
- for ( e = e->succ_next; e != NULL; e = e->succ_next)
- {
- int i;
- sbitmap_ptr p,r;
-
- if (e->dest == EXIT_BLOCK_PTR)
- continue;
-
- p = src[e->dest->index]->elms;
- r = dst->elms;
- for (i = 0; i < set_size; i++)
- *r++ |= *p++;
- }
- }
+ for (e = e->succ_next; e != 0; e = e->succ_next)
+ {
+ unsigned int i;
+ sbitmap_ptr p, r;
+
+ if (e->dest == EXIT_BLOCK_PTR)
+ continue;
+
+ p = src[e->dest->index]->elms;
+ r = dst->elms;
+ for (i = 0; i < set_size; i++)
+ *r++ |= *p++;
+ }
}
/* Set the bitmap DST to the union of SRC of predecessors of
int bb;
{
basic_block b = BASIC_BLOCK (bb);
- edge e = b->pred;
- int set_size = dst->size;
+ unsigned int set_size = dst->size;
+ edge e;
- for ( ; e != NULL; e = e->pred_next)
+ for (e = b->pred; e != 0; e = e->pred_next)
{
if (e->src== ENTRY_BLOCK_PTR)
continue;
+
sbitmap_copy (dst, src[e->src->index]);
break;
}
- if (e == NULL)
+
+ if (e == 0)
sbitmap_zero (dst);
else
- {
- for ( e = e->pred_next; e != NULL; e = e->pred_next)
- {
- int i;
- sbitmap_ptr p,r;
-
- if (e->src == ENTRY_BLOCK_PTR)
- continue;
-
- p = src[e->src->index]->elms;
- r = dst->elms;
- for (i = 0; i < set_size; i++)
- *r++ |= *p++;
- }
- }
+ for (e = e->pred_next; e != 0; e = e->pred_next)
+ {
+ unsigned int i;
+ sbitmap_ptr p, r;
+
+ if (e->src == ENTRY_BLOCK_PTR)
+ continue;
+
+ p = src[e->src->index]->elms;
+ r = dst->elms;
+ for (i = 0; i < set_size; i++)
+ *r++ |= *p++;
+ }
}
/* Return number of first bit set in the bitmap, -1 if none. */
sbitmap_first_set_bit (bmap)
sbitmap bmap;
{
- int n;
+ unsigned int n;
+
EXECUTE_IF_SET_IN_SBITMAP (bmap, 0, n, { return n; });
return -1;
}
{
int i;
SBITMAP_ELT_TYPE *ptr = bmap->elms;
+
for (i = bmap->size - 1; i >= 0; i--)
{
SBITMAP_ELT_TYPE word = ptr[i];
- if (word)
- {
- int index = (i + 1) * SBITMAP_ELT_BITS - 1;
- SBITMAP_ELT_TYPE mask = (SBITMAP_ELT_TYPE) 1 << (SBITMAP_ELT_BITS - 1);
- while (1)
- {
- if (word & mask)
- return index;
- mask >>= 1;
- index--;
- }
- }
+
+ if (word != 0)
+ {
+ unsigned int index = (i + 1) * SBITMAP_ELT_BITS - 1;
+ SBITMAP_ELT_TYPE mask
+ = (SBITMAP_ELT_TYPE) 1 << (SBITMAP_ELT_BITS - 1);
+
+ while (1)
+ {
+ if ((word & mask) != 0)
+ return index;
+
+ mask >>= 1;
+ index--;
+ }
+ }
}
+
return -1;
}
FILE *file;
sbitmap bmap;
{
- int i, n;
- unsigned int j;
- int set_size = bmap->size;
- int total_bits = bmap->n_bits;
+ unsigned int i, n, j;
+ unsigned int set_size = bmap->size;
+ unsigned int total_bits = bmap->n_bits;
fprintf (file, " ");
for (i = n = 0; i < set_size && n < total_bits; i++)
- {
- for (j = 0; j < SBITMAP_ELT_BITS && n < total_bits; j++, n++)
- {
- if (n != 0 && n % 10 == 0)
- fprintf (file, " ");
- fprintf (file, "%d",
- (bmap->elms[i] & ((SBITMAP_ELT_TYPE) 1 << j)) != 0);
- }
- }
+ for (j = 0; j < SBITMAP_ELT_BITS && n < total_bits; j++, n++)
+ {
+ if (n != 0 && n % 10 == 0)
+ fprintf (file, " ");
+
+ fprintf (file, "%d",
+ (bmap->elms[i] & ((SBITMAP_ELT_TYPE) 1 << j)) != 0);
+ }
+
fprintf (file, "\n");
}
+void
+debug_sbitmap (bmap)
+ sbitmap bmap;
+{
+ unsigned int i, pos;
+
+ fprintf (stderr, "n_bits = %d, set = {", bmap->n_bits);
+
+ for (pos = 30, i = 0; i < bmap->n_bits; i++)
+ if (TEST_BIT (bmap, i))
+ {
+ if (pos > 70)
+ {
+ fprintf (stderr, "\n");
+ pos = 0;
+ }
+
+ fprintf (stderr, "%d ", i);
+ pos += 1 + (i >= 10) + (i >= 100);
+ }
+
+ fprintf (stderr, "}\n");
+}
+
void
dump_sbitmap_vector (file, title, subtitle, bmaps, n_maps)
FILE *file;
fprintf (file, "%s %d\n", subtitle, bb);
dump_sbitmap (file, bmaps[bb]);
}
+
fprintf (file, "\n");
}
#define SBITMAP_ELT_BITS ((unsigned) HOST_BITS_PER_WIDE_INT)
#define SBITMAP_ELT_TYPE unsigned HOST_WIDE_INT
-typedef struct simple_bitmap_def {
- /* Number of bits. */
- int n_bits;
- /* Size in elements. */
- int size;
- /* Size in bytes. */
- int bytes;
- /* The elements. */
- SBITMAP_ELT_TYPE elms[1];
+typedef struct simple_bitmap_def
+{
+ unsigned int n_bits; /* Number of bits. */
+ unsigned int size; /* Size in elements. */
+ unsigned int bytes; /* Size in bytes. */
+ SBITMAP_ELT_TYPE elms[1]; /* The elements. */
} *sbitmap;
typedef SBITMAP_ELT_TYPE *sbitmap_ptr;
/* Return the set size needed for N elements. */
-#define SBITMAP_SET_SIZE(n) (((n) + SBITMAP_ELT_BITS - 1) / SBITMAP_ELT_BITS)
+#define SBITMAP_SET_SIZE(N) (((N) + SBITMAP_ELT_BITS - 1) / SBITMAP_ELT_BITS)
-/* set bit number bitno in the bitmap */
-#define SET_BIT(bitmap, bitno) \
- ((bitmap)->elms [(bitno) / SBITMAP_ELT_BITS] \
- |= (SBITMAP_ELT_TYPE) 1 << (bitno) % SBITMAP_ELT_BITS)
+/* Set bit number bitno in the bitmap. */
+#define SET_BIT(BITMAP, BITNO) \
+ ((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] \
+ |= (SBITMAP_ELT_TYPE) 1 << (BITNO) % SBITMAP_ELT_BITS)
-/* test if bit number bitno in the bitmap is set */
-#define TEST_BIT(bitmap, bitno) \
-((bitmap)->elms [(bitno) / SBITMAP_ELT_BITS] >> (bitno) % SBITMAP_ELT_BITS & 1)
+/* Test if bit number bitno in the bitmap is set. */
+#define TEST_BIT(BITMAP, BITNO) \
+((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] >> (BITNO) % SBITMAP_ELT_BITS & 1)
-/* reset bit number bitno in the bitmap */
-#define RESET_BIT(bitmap, bitno) \
- ((bitmap)->elms [(bitno) / SBITMAP_ELT_BITS] \
- &= ~((SBITMAP_ELT_TYPE) 1 << (bitno) % SBITMAP_ELT_BITS))
+/* Reset bit number bitno in the bitmap. */
+#define RESET_BIT(BITMAP, BITNO) \
+ ((BITMAP)->elms [(BITNO) / SBITMAP_ELT_BITS] \
+ &= ~((SBITMAP_ELT_TYPE) 1 << (BITNO) % SBITMAP_ELT_BITS))
/* Loop over all elements of SBITSET, starting with MIN. */
#define EXECUTE_IF_SET_IN_SBITMAP(SBITMAP, MIN, N, CODE) \
do { \
- unsigned int bit_num_ = (MIN) % (unsigned) SBITMAP_ELT_BITS; \
- unsigned int word_num_ = (MIN) / (unsigned) SBITMAP_ELT_BITS; \
- unsigned int size_ = (SBITMAP)->size; \
- SBITMAP_ELT_TYPE *ptr_ = (SBITMAP)->elms; \
+ unsigned int _word_num; \
+ unsigned int _bit_num = (MIN) % (unsigned int) SBITMAP_ELT_BITS; \
+ unsigned int _size = (SBITMAP)->size; \
+ SBITMAP_ELT_TYPE *_ptr = (SBITMAP)->elms; \
\
- while (word_num_ < size_) \
+ for (_word_num = (MIN) / (unsigned int) SBITMAP_ELT_BITS; \
+ _word_num < _size; _word_num++, _bit_num = 0) \
{ \
- SBITMAP_ELT_TYPE word_ = ptr_[word_num_]; \
- if (word_ != 0) \
- { \
- for (; bit_num_ < SBITMAP_ELT_BITS; ++bit_num_) \
- { \
- SBITMAP_ELT_TYPE mask_ = (SBITMAP_ELT_TYPE)1 << bit_num_; \
- if ((word_ & mask_) != 0) \
- { \
- word_ &= ~mask_; \
- (N) = word_num_ * SBITMAP_ELT_BITS + bit_num_; \
- CODE; \
- if (word_ == 0) \
- break; \
- } \
- } \
- } \
- bit_num_ = 0; \
- word_num_++; \
- } \
+ SBITMAP_ELT_TYPE _word = _ptr[_word_num]; \
+ \
+ if (_word != 0) \
+ for (; _bit_num < SBITMAP_ELT_BITS; _bit_num++) \
+ { \
+ SBITMAP_ELT_TYPE _mask = (SBITMAP_ELT_TYPE)1 << _bit_num; \
+ \
+ if ((_word & _mask) != 0) \
+ { \
+ _word &= ~ _mask; \
+ (N) = _word_num * SBITMAP_ELT_BITS + _bit_num; \
+ CODE; \
+ if (_word == 0) \
+ break; \
+ } \
+ } \
+ } \
} while (0)
-#define sbitmap_free(map) free(map)
-#define sbitmap_vector_free(vec) free(vec)
-
-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 ((int));
-extern sbitmap *sbitmap_vector_alloc PARAMS ((int, int));
+#define sbitmap_free(MAP) free(MAP)
+#define sbitmap_vector_free(VEC) free(VEC)
-extern void sbitmap_copy PARAMS ((sbitmap, sbitmap));
-extern void sbitmap_zero PARAMS ((sbitmap));
-extern void sbitmap_ones PARAMS ((sbitmap));
-extern void sbitmap_vector_zero PARAMS ((sbitmap *, int));
-extern void sbitmap_vector_ones PARAMS ((sbitmap *, 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_subset_b_p PARAMS ((sbitmap, sbitmap));
+struct int_list;
-extern int sbitmap_first_set_bit PARAMS ((sbitmap));
-extern int sbitmap_last_set_bit PARAMS ((sbitmap));
+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 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_subset_b_p PARAMS ((sbitmap, sbitmap));
+
+extern int sbitmap_first_set_bit PARAMS ((sbitmap));
+extern int sbitmap_last_set_bit PARAMS ((sbitmap));
-struct int_list;
extern void sbitmap_intersect_of_predsucc PARAMS ((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 PARAMS ((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
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 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));
#endif /* _SBITMAP_H */
git://gcc.gnu.org / gcc.git / commitdiff