src/share/vm/runtime/globals.hpp

*** 537,546 ****
--- 537,549 ----
            "Highest supported SSE instructions set on x86/x64")              \
                                                                              \
    product(bool, UseAES, false,                                               \
            "Control whether AES instructions can be used on x86/x64")        \
                                                                              \
+   develop(bool, UseCLMUL, false,                                            \
+           "Control whether CLMUL instructions can be used on x86/x64")      \
+                                                                             \
    product(uintx, LargePageSizeInBytes, 0,                                   \
            "Large page size (0 to let VM choose the page size")              \
                                                                              \
    product(uintx, LargePageHeapSizeThreshold, 128*M,                         \
            "Use large pages if max heap is at least this big")               \