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bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA. 

* bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.

	* bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
	function.

From-SVN: r43760
This commit is contained in:
Kaveh R. Ghazi 2001-07-04 17:25:58 +00:00 committed by Kaveh Ghazi
parent 0671eaf68f
commit 266aae9b3b
3 changed files with 21 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
* bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
function.
2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
* doc/include: New directory.

4
gcc/bitmap.c
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@ -687,9 +687,11 @@ bitmap_union_of_diff (dst, a, b, c)
bitmap c;
{
int changed = 0;
bitmap temp = BITMAP_ALLOCA ();
bitmap temp = BITMAP_XMALLOC ();
bitmap_operation (temp, b, c, BITMAP_AND_COMPL);
changed = bitmap_operation (dst, temp, a, BITMAP_IOR);
BITMAP_XFREE (temp);
return changed;
}

15
gcc/bitmap.h
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@ -119,10 +119,17 @@ extern int bitmap_last_set_bit PARAMS((bitmap));
#define BITMAP_OBSTACK_ALLOC(OBSTACK) \
bitmap_initialize ((bitmap) obstack_alloc (OBSTACK, sizeof (bitmap_head)))
/* Allocate a bitmap with alloca. */
#define BITMAP_ALLOCA() \
bitmap_initialize ((bitmap) alloca (sizeof (bitmap_head)))
/* Allocate a bitmap with alloca. Note alloca cannot be passed as an
argument to a function, so we set a temporary variable to the value
returned by alloca and pass that variable to bitmap_initialize().
PTR is then set to the value returned from bitmap_initialize() to
avoid having it appear more than once in case it has side effects. */
#define BITMAP_ALLOCA(PTR) \
do { \
bitmap temp_bitmap_ = (bitmap) alloca (sizeof (bitmap_head)); \
(PTR) = bitmap_initialize (temp_bitmap_); \
} while (0)
/* Allocate a bitmap with xmalloc. */
#define BITMAP_XMALLOC() \
bitmap_initialize ((bitmap) xmalloc (sizeof (bitmap_head)))