Mercurial > hg > graal-jvmci-8
diff src/share/vm/oops/cpCacheKlass.cpp @ 3892:baf763f388e6
7059037: Use BIS for zeroing on T4
Summary: Use BIS for zeroing new allocated big (2Kb and more) objects and arrays.
Reviewed-by: never, twisti, ysr
| author | kvn |
|---|---|
| date | Fri, 26 Aug 2011 08:52:22 -0700 |
| parents | c7f3d0b4570f |
| children |
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--- a/src/share/vm/oops/cpCacheKlass.cpp Thu Aug 25 20:29:30 2011 -0700 +++ b/src/share/vm/oops/cpCacheKlass.cpp Fri Aug 26 08:52:22 2011 -0700 @@ -63,8 +63,10 @@ // CollectedHeap::permanent_obj_allocate(klass, size, CHECK_NULL); oop obj = CollectedHeap::permanent_obj_allocate_no_klass_install(klass, size, CHECK_NULL); - NOT_PRODUCT(Universe::heap()->check_for_bad_heap_word_value((HeapWord*) obj, - size)); +#ifndef PRODUCT + const size_t hs = oopDesc::header_size(); + Universe::heap()->check_for_bad_heap_word_value(((HeapWord*) obj)+hs, size-hs); +#endif constantPoolCacheOop cache = (constantPoolCacheOop) obj; assert(!UseConcMarkSweepGC || obj->klass_or_null() == NULL, "klass should be NULL here when using CMS");