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8186777: Make Klass::_java_mirror an OopHandle

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Add indirection for fetching mirror so that GC doesn't have to follow CLD::_klasses

Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Reviewed-by: hseigel, thartmann, eosterlund, stefank
This commit is contained in:
Coleen Phillimore 2017-10-03 16:42:04 -04:00
parent e31bc5637a
commit 73a801bc43
61 changed files with 383 additions and 477 deletions
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src/hotspot/cpu/sparc/templateTable_sparc.cpp
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@ -2049,6 +2049,7 @@ void TemplateTable::load_field_cp_cache_entry(Register Robj,
__ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f1_offset(), Robj);
const int mirror_offset = in_bytes(Klass::java_mirror_offset());
__ ld_ptr( Robj, mirror_offset, Robj);
__ resolve_oop_handle(Robj);
}
}