src/cpu/x86/vm/globals_x86.hpp

*** 173,185 ****
                                                                              \
    experimental(bool, UseRTMXendForLockBusy, true,                           \
            "Use RTM Xend instead of Xabort when lock busy")                  \
                                                                              \
    /* assembler */                                                           \
-   product(bool, Use486InstrsOnly, false,                                    \
-           "Use 80486 Compliant instruction subset")                         \
-                                                                             \
    product(bool, UseCountLeadingZerosInstruction, false,                     \
            "Use count leading zeros instruction")                            \
                                                                              \
    product(bool, UseCountTrailingZerosInstruction, false,                    \
            "Use count trailing zeros instruction")                           \
--- 173,182 ----