src/share/vm/opto/c2_globals.hpp

*** 190,199 ****
--- 190,202 ----
    product(intx,  LoopUnrollMin, 4,                                          \
            "Minimum number of unroll loop bodies before checking progress"   \
            "of rounds of unroll,optimize,..")                                \
            range(0, max_jint)                                                \
                                                                              \
+   product(bool, UseSubwordForMaxVector, true,                               \
+           "Use Subword Analysis to set maximum vector size")                \
+                                                                             \
    develop(intx, UnrollLimitForProfileCheck, 1,                              \
            "Don't use profile_trip_cnt() to restrict unrolling until "       \
            "unrolling would push the number of unrolled iterations above "   \
            "UnrollLimitForProfileCheck. A higher value allows more "         \
            "unrolling. Zero acts as a very large value." )                   \