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6703888: Compressed Oops: use the 32-bits gap after klass in a object

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Use the gap also for a narrow oop field and a boxing object value.

Reviewed-by: coleenp, never
This commit is contained in:
Vladimir Kozlov 2008-05-21 16:31:35 -07:00
parent 76035424de
commit e53e767d88
13 changed files with 67 additions and 72 deletions
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5
hotspot/src/share/vm/oops/instanceKlass.hpp
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@ -180,9 +180,8 @@ class instanceKlass: public Klass {
// End of the oop block.
//
// number of words used by non-static fields in this klass (including
// inherited fields but after header_size()). If fields are compressed into
// header, this can be zero so it's not the same as number of static fields.
// Number of heapOopSize words used by non-static fields in this klass
// (including inherited fields but after header_size()).
int _nonstatic_field_size;
int _static_field_size; // number words used by static fields (oop and non-oop) in this klass
int _static_oop_field_size;// number of static oop fields in this klass