src/share/vm/opto/c2_globals.hpp

*** 648,657 ****
--- 648,660 ----
            "Find best control for expensive operations")                     \
                                                                              \
    product(bool, UseMathExactIntrinsics, true,                               \
            "Enables intrinsification of various java.lang.Math functions")   \
                                                                              \
+   product(bool, UseMultiplyToLenIntrinsic, false,                           \
+           "Enables intrinsification of BigInteger.multiplyToLen()")         \
+                                                                             \
    product(bool, UseTypeSpeculation, true,                                   \
            "Speculatively propagate types from profiles")                    \
                                                                              \
    diagnostic(bool, UseInlineDepthForSpeculativeTypes, true,                 \
            "Carry inline depth of profile point with speculative type "      \