Mercurial > hg > graal-jvmci-8
diff src/cpu/sparc/vm/assembler_sparc.hpp @ 2076:7737fa7ec2b5
7006044: materialize cheap non-oop pointers on 64-bit SPARC
Summary: After 6961690 we load non-oop pointers for the constant table which could easily be materialized in a few instructions.
Reviewed-by: never, kvn
author | twisti |
---|---|
date | Tue, 14 Dec 2010 12:44:30 -0800 |
parents | 2f644f85485d |
children | 84f36150fcc3 c17b998c5926 |
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--- a/src/cpu/sparc/vm/assembler_sparc.hpp Mon Dec 13 22:41:03 2010 -0800 +++ b/src/cpu/sparc/vm/assembler_sparc.hpp Tue Dec 14 12:44:30 2010 -0800 @@ -1884,23 +1884,24 @@ void sethi(const AddressLiteral& addrlit, Register d); void patchable_sethi(const AddressLiteral& addrlit, Register d); - // compute the size of a sethi/set - static int size_of_sethi( address a, bool worst_case = false ); - static int worst_case_size_of_set(); + // compute the number of instructions for a sethi/set + static int insts_for_sethi( address a, bool worst_case = false ); + static int worst_case_insts_for_set(); // set may be either setsw or setuw (high 32 bits may be zero or sign) private: void internal_set(const AddressLiteral& al, Register d, bool ForceRelocatable); + static int insts_for_internal_set(intptr_t value); public: void set(const AddressLiteral& addrlit, Register d); void set(intptr_t value, Register d); void set(address addr, Register d, RelocationHolder const& rspec); + static int insts_for_set(intptr_t value) { return insts_for_internal_set(value); } + void patchable_set(const AddressLiteral& addrlit, Register d); void patchable_set(intptr_t value, Register d); void set64(jlong value, Register d, Register tmp); - - // Compute size of set64. - static int size_of_set64(jlong value); + static int insts_for_set64(jlong value); // sign-extend 32 to 64 inline void signx( Register s, Register d ) { sra( s, G0, d); }