4809552: Optimize Arrays.fill(...)

Reviewed-by: kvn

1 files changed, 17 insertions, 0 deletions

diff --git a/src/share/vm/runtime/stubRoutines.hpp b/src/share/vm/runtime/stubRoutines.hpp
index f09d5ae1b..6b51e316b 100644
--- a/src/share/vm/runtime/stubRoutines.hpp
+++ b/src/share/vm/runtime/stubRoutines.hpp
@@ -148,6 +148,13 @@ class StubRoutines: AllStatic {
   static address _unsafe_arraycopy;
   static address _generic_arraycopy;
 
+  static address _jbyte_fill;
+  static address _jshort_fill;
+  static address _jint_fill;
+  static address _arrayof_jbyte_fill;
+  static address _arrayof_jshort_fill;
+  static address _arrayof_jint_fill;
+
   // These are versions of the java.lang.Math methods which perform
   // the same operations as the intrinsic version.  They are used for
   // constant folding in the compiler to ensure equivalence.  If the
@@ -259,6 +266,16 @@ class StubRoutines: AllStatic {
   static address unsafe_arraycopy()        { return _unsafe_arraycopy; }
   static address generic_arraycopy()       { return _generic_arraycopy; }
 
+  static address jbyte_fill()          { return _jbyte_fill; }
+  static address jshort_fill()         { return _jshort_fill; }
+  static address jint_fill()           { return _jint_fill; }
+  static address arrayof_jbyte_fill()  { return _arrayof_jbyte_fill; }
+  static address arrayof_jshort_fill() { return _arrayof_jshort_fill; }
+  static address arrayof_jint_fill()   { return _arrayof_jint_fill; }
+
+  static address select_fill_function(BasicType t, bool aligned, const char* &name);
+
+
   static double  intrinsic_log(double d) {
     assert(_intrinsic_log != NULL, "must be defined");
     return _intrinsic_log(d);