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  1. JDK
  2. JDK-8184995 assert(out == prev || prev == __null) failed: no branches off of store slice
  3. JDK-8185013

Disable subword vector analysis optimization until 8184995 is fixed

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    • b21
    • x86
    • generic

      Switch UseSubwordForMaxVector flag off by default.

      src/share/vm/opto/c2_globals.hpp
      @@ -192,7 +192,7 @@
                 "of rounds of unroll,optimize,..") \
                 range(0, max_jint) \
                                                                                   \
      - product(bool, UseSubwordForMaxVector, true, \
      + product(bool, UseSubwordForMaxVector, false, \
                 "Use Subword Analysis to set maximum vector size") \
                                                                                   \
         develop(intx, UnrollLimitForProfileCheck, 1, \

            kvn Vladimir Kozlov
            kvn Vladimir Kozlov
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