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7054512: Compress class pointers after perm gen removal

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Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2012-10-09 10:11:38 +02:00
parent 7162ad011c
commit 61eb5a0549
93 changed files with 1600 additions and 497 deletions
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6
hotspot/src/cpu/sparc/vm/assembler_sparc.hpp
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@ -2280,6 +2280,11 @@ public:
void encode_heap_oop_not_null(Register src, Register dst);
void decode_heap_oop_not_null(Register src, Register dst);
void encode_klass_not_null(Register r);
void decode_klass_not_null(Register r);
void encode_klass_not_null(Register src, Register dst);
void decode_klass_not_null(Register src, Register dst);
// Support for managing the JavaThread pointer (i.e.; the reference to
// thread-local information).
void get_thread(); // load G2_thread
@ -2409,6 +2414,7 @@ public:
inline void set_metadata (const AddressLiteral& obj_addr, Register d); // same as load_address
void set_narrow_oop( jobject obj, Register d );
void set_narrow_klass( Klass* k, Register d );
// nop padding
void align(int modulus);