src/share/vm/opto/c2_globals.hpp

*** 322,331 ****
--- 322,334 ----
            "Transform scalar operations into superword operations")          \
                                                                              \
    develop(bool, SuperWordRTDepCheck, false,                                 \
            "Enable runtime dependency checks.")                              \
                                                                              \
+   product(bool, SuperWordReductions, true,                                  \
+           "Enable reductions support in superword.")                        \
+                                                                             \
    notproduct(bool, TraceSuperWord, false,                                   \
            "Trace superword transforms")                                     \
                                                                              \
    notproduct(bool, TraceNewVectors, false,                                  \
            "Trace creation of Vector nodes")                                 \