src/share/vm/runtime/globals.hpp

*** 2887,2896 ****
--- 2887,2899 ----
            "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")             \
*** 4254,4263 ****
--- 4257,4269 ----
                                                                              \
    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 "                 \