Mercurial > hg > truffle
diff src/cpu/x86/vm/assembler_x86_64.hpp @ 164:c436414a719e
6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions
Summary: Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.
Reviewed-by: never, rasbold
| author | kvn |
|---|---|
| date | Wed, 21 May 2008 13:46:23 -0700 |
| parents | b130b98db9cf |
| children | feeb96a45707 |
line wrap: on
line diff
--- a/src/cpu/x86/vm/assembler_x86_64.hpp Wed May 21 10:45:07 2008 -0700 +++ b/src/cpu/x86/vm/assembler_x86_64.hpp Wed May 21 13:46:23 2008 -0700 @@ -490,7 +490,12 @@ imm64_operand = 0, // embedded 64-bit immediate operand disp32_operand = 1, // embedded 32-bit displacement call32_operand = 2, // embedded 32-bit self-relative displacement +#ifndef AMD64 _WhichOperand_limit = 3 +#else + narrow_oop_operand = 3, // embedded 32-bit immediate narrow oop + _WhichOperand_limit = 4 +#endif }; public: @@ -1114,6 +1119,8 @@ void encode_heap_oop_not_null(Register dst, Register src); void decode_heap_oop_not_null(Register dst, Register src); + void set_narrow_oop(Register dst, jobject obj); + // Stack frame creation/removal void enter(); void leave();