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diff src/cpu/sparc/vm/assembler_sparc.hpp @ 2076:7737fa7ec2b5

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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
line wrap: on
line diff
--- 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); }