Author: Armin Rigo <[email protected]>
Branch: boehm-rawrefcount
Changeset: r86925:9a75c25f25c3
Date: 2016-09-07 14:22 +0200
http://bitbucket.org/pypy/pypy/changeset/9a75c25f25c3/
Log: tweak
diff --git a/rpython/rlib/src/boehm-rawrefcount.c
b/rpython/rlib/src/boehm-rawrefcount.c
--- a/rpython/rlib/src/boehm-rawrefcount.c
+++ b/rpython/rlib/src/boehm-rawrefcount.c
@@ -237,6 +237,7 @@
static void boehm_is_about_to_collect(void)
{
struct link_s *plist = hash_list;
+ uintptr_t gcenc_union = 0;
while (plist != NULL) {
uintptr_t i, count = plist[0].gcenc;
for (i = 1; i < count; i++) {
@@ -260,12 +261,13 @@
*/
plist[i].gcenc = ~plist[i].gcenc;
}
+ gcenc_union |= plist[i].gcenc;
#ifdef TEST_BOEHM_RAWREFCOUNT
printf("-> %p\n", plist[i].gcenc);
#endif
}
plist = plist[0].next_in_bucket;
}
- if (hash_mask_bucket > 0)
+ if (gcenc_union & 1) /* if there is at least one item potentially dead */
hash_list_walk_next = hash_mask_bucket;
}
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