src/share/vm/runtime/globals.hpp

@@ -2887,10 +2887,13 @@
           "Inline allocations larger than this in doublewords must go slow")\
                                                                             \
   product(bool, AggressiveOpts, false,                                      \
           "Enable aggressive optimizations - see arguments.cpp")            \
                                                                             \
+  product_pd(bool, CompactStrings,                                          \
+          "Enable Strings to use single byte chars in backing store")       \
+                                                                            \
   product_pd(uintx, TypeProfileLevel,                                       \
           "=XYZ, with Z: Type profiling of arguments at call; "             \
                      "Y: Type profiling of return value at call; "          \
                      "X: Type profiling of parameters to methods; "         \
           "X, Y and Z in 0=off ; 1=jsr292 only; 2=all methods")             \

@@ -4254,10 +4257,13 @@
                                                                             \
   product_pd(bool, PreserveFramePointer,                                    \
              "Use the FP register for holding the frame pointer "           \
              "and not as a general purpose register.")                      \
                                                                             \
+  diagnostic(bool, StringCharIntrinsics, true,                              \
+             "Inline String*.getChar/putChar intrinsics.")                  \
+                                                                            \
   diagnostic(bool, CheckIntrinsics, true,                                   \
              "When a class C is loaded, check that "                        \
              "(1) all intrinsics defined by the VM for class C are present "\
              "in the loaded class file and are marked with the "            \
              "@HotSpotIntrinsicCandidate annotation, that "                 \