src/hotspot/share/opto/c2_globals.hpp

*** 532,10 ***
--- 532,19 ---
                                                                              \
    product(intx, EliminateAllocationArraySizeLimit, 64,                      \
            "Array size (number of elements) limit for scalar replacement")   \
            range(0, max_jint)                                                \
                                                                              \
+   experimental(bool, UseStackAllocation, false,                             \
+           "Leverage stack allocation to reduce heap pressure")              \
+                                                                             \
+   experimental(bool, UseStackAllocationRuntime, false,                      \
+           "Enable the stack allocation runtime code in oopmap")             \
+                                                                             \
+   notproduct(bool, PrintStackAllocation, false,                             \
+           "Print stack allocation debug information")                       \
+                                                                             \
    product(bool, OptimizePtrCompare, true,                                   \
            "Use escape analysis to optimize pointers compare")               \
                                                                              \
    notproduct(bool, PrintOptimizePtrCompare, false,                          \
            "Print information about optimized pointers compare")             \