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[multiple changes]

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2001-07-27  Daniel Berlin  <dan@cgsoftware.com>

	* regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
	increment REG_N_SETS.

2001-07-26  Daniel Berlin  <dan@cgsoftware.com>

	* sbitmap.h: New prototype for sbitmap_a_xor_b.

	* sbitmap.c (sbitmap_a_xor_b): New function.
	#ifdef the basic block stuff on the define IN_GCC.

From-SVN: r44460
This commit is contained in:
Daniel Berlin 2001-07-29 18:21:08 +00:00 committed by Daniel Berlin
parent 6d18adbc2c
commit b2d5779326
4 changed files with 52 additions and 1 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,15 @@
2001-07-27 Daniel Berlin <dan@cgsoftware.com>
* regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
increment REG_N_SETS.
2001-07-26 Daniel Berlin <dan@cgsoftware.com>
* sbitmap.h: New prototype for sbitmap_a_xor_b.
* sbitmap.c (sbitmap_a_xor_b): New function.
ifdef the basic block stuff on IN_GCC.
2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
* cppexp.c (parse_defined): Always record the macro name.

5
gcc/regclass.c
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@ -2427,7 +2427,10 @@ reg_scan_mark_refs (x, insn, note_flag, min_regno)
if (GET_CODE (dest) == REG
&& REGNO (dest) >= min_regno)
REG_N_SETS (REGNO (dest))++;
{
REG_N_SETS (REGNO (dest))++;
REG_N_REFS (REGNO (dest))++;
}
/* If this is setting a pseudo from another pseudo or the sum of a
pseudo and a constant integer and the other pseudo is known to be

34
gcc/sbitmap.c
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@ -99,6 +99,13 @@ sbitmap_copy (dst, src)
memcpy (dst->elms, src->elms, sizeof (SBITMAP_ELT_TYPE) * dst->size);
}
/* Determine if a == b. */
int
sbitmap_equal (a, b)
sbitmap a, b;
{
return !memcmp (a->elms, b->elms, sizeof (SBITMAP_ELT_TYPE) * a->size);
}
/* Zero all elements in a bitmap. */
void
@ -230,6 +237,31 @@ sbitmap_a_and_b (dst, a, b)
return changed;
}
/* Set DST to be (A xor B)).
Return non-zero if any change is made. */
int
sbitmap_a_xor_b (dst, a, b)
sbitmap dst, a, b;
{
unsigned int i;
sbitmap_ptr dstp, ap, bp;
int changed = 0;
for (dstp = dst->elms, ap = a->elms, bp = b->elms, i = 0; i < dst->size;
i++, dstp++)
{
SBITMAP_ELT_TYPE tmp = *ap++ ^ *bp++;
if (*dstp != tmp)
{
changed = 1;
*dstp = tmp;
}
}
return changed;
}
/* Set DST to be (A or B)).
Return non-zero if any change is made. */
@ -324,6 +356,7 @@ sbitmap_a_and_b_or_c (dst, a, b, c)
return changed;
}
#ifdef IN_GCC
/* Set the bitmap DST to the intersection of SRC of successors of
block number BB, using the new flow graph structures. */
@ -483,6 +516,7 @@ sbitmap_union_of_preds (dst, src, bb)
*r++ |= *p++;
}
}
#endif
/* Return number of first bit set in the bitmap, -1 if none. */

2
gcc/sbitmap.h
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@ -97,6 +97,7 @@ extern void dump_sbitmap_vector PARAMS ((FILE *, const char *,
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));
@ -112,6 +113,7 @@ 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));