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src/hotspot/share/opto/c2_globals.hpp

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@@ -190,11 +190,11 @@
   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, false,                              \
+  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 "   \
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