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re PR bootstrap/12804 (zone allocator is broken on 64bit)

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PR bootstrap/12804
	* ggc-zone.c (struct alloc_chunk): Remove attribute packed.
	(MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
	(ggc_free): Remove incorrect freeing.
	(sweep_pages): Advance PP for large pages.  Fix indentation.

From-SVN: r85194
This commit is contained in:
Daniel Jacobowitz 2004-07-26 15:11:53 +00:00 • committed by Daniel Jacobowitz
parent 35b6b437aa
commit 02aebac6c9
2 changed files with 13 additions and 8 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2004-07-26 Daniel Jacobowitz <dan@debian.org>
PR bootstrap/12804
* ggc-zone.c (struct alloc_chunk): Remove attribute packed.
(MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
(ggc_free): Remove incorrect freeing.
(sweep_pages): Advance PP for large pages. Fix indentation.
2004-07-26 Richard Sandiford <rsandifo@redhat.com>
PR rtl-optimization/16643

13
gcc/ggc-zone.c
View file

@ -162,7 +162,7 @@ struct alloc_chunk {
double align_d;
#endif
} u;
} __attribute__ ((packed));
};
#define CHUNK_OVERHEAD (offsetof (struct alloc_chunk, u))
@ -177,7 +177,7 @@ struct alloc_chunk {
on a PowerPC G4 7450 - 667 mhz, and a Pentium 4 - 2.8ghz,
these were determined to be the optimal values. */
#define NUM_FREE_BINS 64
#define MAX_FREE_BIN_SIZE 256
#define MAX_FREE_BIN_SIZE (64 * sizeof (void *))
#define FREE_BIN_DELTA (MAX_FREE_BIN_SIZE / NUM_FREE_BINS)
#define SIZE_BIN_UP(SIZE) (((SIZE) + FREE_BIN_DELTA - 1) / FREE_BIN_DELTA)
#define SIZE_BIN_DOWN(SIZE) ((SIZE) / FREE_BIN_DELTA)
@ -761,10 +761,6 @@ ggc_free (void *p)
/* Poison the chunk. */
poison_chunk (chunk, ggc_get_size (p));
/* XXX: We only deal with explicitly freeing large objects ATM. */
if (chunk->large)
free (p);
}
/* If P is not marked, mark it and return false. Otherwise return true.
@ -990,13 +986,14 @@ sweep_pages (struct alloc_zone *zone)
if (((struct alloc_chunk *)p->page)->mark == 1)
{
((struct alloc_chunk *)p->page)->mark = 0;
pp = &p->next;
}
else
{
*pp = next;
#ifdef ENABLE_GC_CHECKING
/* Poison the page. */
memset (p->page, 0xb5, p->bytes);
/* Poison the page. */
memset (p->page, 0xb5, p->bytes);
#endif
free_page (p);
}