archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-22 12:04:39 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

Browse source 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/share/vm/memory/modRefBarrierSet.hpp
View file

@ -37,19 +37,19 @@ public:
bool has_write_ref_barrier() { return true; }
bool has_write_prim_barrier() { return false; }
bool read_ref_needs_barrier(oop* field) { return false; }
bool read_ref_needs_barrier(void* field) { return false; }
bool read_prim_needs_barrier(HeapWord* field, size_t bytes) { return false; }
virtual bool write_ref_needs_barrier(oop* field, oop new_val) = 0;
virtual bool write_ref_needs_barrier(void* field, oop new_val) = 0;
bool write_prim_needs_barrier(HeapWord* field, size_t bytes,
juint val1, juint val2) { return false; }
void write_prim_field(oop obj, size_t offset, size_t bytes,
juint val1, juint val2) {}
void read_ref_field(oop* field) {}
void read_ref_field(void* field) {}
void read_prim_field(HeapWord* field, size_t bytes) {}
protected:
virtual void write_ref_field_work(oop* field, oop new_val) = 0;
virtual void write_ref_field_work(void* field, oop new_val) = 0;
public:
void write_prim_field(HeapWord* field, size_t bytes,
juint val1, juint val2) {}