--- old/src/share/vm/runtime/stackValue.cpp	Thu Feb 18 19:05:39 2010
+++ new/src/share/vm/runtime/stackValue.cpp	Thu Feb 18 19:05:39 2010
@@ -58,15 +58,9 @@
     //
     switch( loc.type() ) {
     case Location::float_in_dbl: { // Holds a float in a double register?
-      // The callee has no clue whether the register holds a float,
-      // double or is unused.  He always saves a double.  Here we know
-      // a double was saved, but we only want a float back.  Narrow the
-      // saved double to the float that the JVM wants.
       assert( loc.is_register(), "floats always saved to stack in 1 word" );
-      union { intptr_t p; jfloat jf; } value;
-      value.p = (intptr_t) CONST64(0xDEADDEAFDEADDEAF);
-      value.jf = (jfloat) *(jdouble*) value_addr;
-      return new StackValue(value.p); // 64-bit high half is stack junk
+      // Call platform specific function defined in sharedRuntime_<arch>.cpp.
+      return create_float_stack_value(value_addr);
     }
     case Location::int_in_long: { // Holds an int in a long register?
       // The callee has no clue whether the register holds an int,