src/hotspot/cpu/ppc/globals_ppc.hpp

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 109   product(uint64_t,DSCR_PPC64, (uintx)-1,                                   \
 110           "Power8 or later: Specify encoded value for Data Stream Control " \
 111           "Register")                                                       \
 112   product(uint64_t,DSCR_DPFD_PPC64, 8,                                      \
 113           "Power8 or later: DPFD (default prefetch depth) value of the "    \
 114           "Data Stream Control Register."                                   \
 115           " 0: hardware default, 1: none, 2-7: min-max, 8: don't touch")    \
 116   product(uint64_t,DSCR_URG_PPC64, 8,                                       \
 117           "Power8 or later: URG (depth attainment urgency) value of the "   \
 118           "Data Stream Control Register."                                   \
 119           " 0: hardware default, 1: none, 2-7: min-max, 8: don't touch")    \
 120                                                                             \
 121   product(bool, UseLoadInstructionsForStackBangingPPC64, false,             \
 122           "Use load instructions for stack banging.")                       \
 123                                                                             \
 124   /* special instructions */                                                \
 125                                                                             \
 126   product(bool, UseCountLeadingZerosInstructionsPPC64, true,                \
 127           "Use count leading zeros instructions.")                          \
 128                                                                             \



 129   product(bool, UseExtendedLoadAndReserveInstructionsPPC64, false,          \
 130           "Use extended versions of load-and-reserve instructions.")        \
 131                                                                             \
 132   product(bool, UseRotateAndMaskInstructionsPPC64, true,                    \
 133           "Use rotate and mask instructions.")                              \
 134                                                                             \
 135   product(bool, UseStaticBranchPredictionInCompareAndSwapPPC64, true,       \
 136           "Use static branch prediction hints in CAS operations.")          \
 137   product(bool, UseStaticBranchPredictionForUncommonPathsPPC64, false,      \
 138           "Use static branch prediction hints for uncommon paths.")         \
 139                                                                             \
 140   product(bool, UsePower6SchedulerPPC64, false,                             \
 141           "Use Power6 Scheduler.")                                          \
 142                                                                             \
 143   product(bool, InsertEndGroupPPC64, false,                                 \
 144           "Insert EndGroup instructions to optimize for Power6.")           \
 145                                                                             \
 146   /* Trap based checks. */                                                  \
 147   /* Trap based checks use the ppc trap instructions to check certain */    \
 148   /* conditions. This instruction raises a SIGTRAP caught by the      */    \




 109   product(uint64_t,DSCR_PPC64, (uintx)-1,                                   \
 110           "Power8 or later: Specify encoded value for Data Stream Control " \
 111           "Register")                                                       \
 112   product(uint64_t,DSCR_DPFD_PPC64, 8,                                      \
 113           "Power8 or later: DPFD (default prefetch depth) value of the "    \
 114           "Data Stream Control Register."                                   \
 115           " 0: hardware default, 1: none, 2-7: min-max, 8: don't touch")    \
 116   product(uint64_t,DSCR_URG_PPC64, 8,                                       \
 117           "Power8 or later: URG (depth attainment urgency) value of the "   \
 118           "Data Stream Control Register."                                   \
 119           " 0: hardware default, 1: none, 2-7: min-max, 8: don't touch")    \
 120                                                                             \
 121   product(bool, UseLoadInstructionsForStackBangingPPC64, false,             \
 122           "Use load instructions for stack banging.")                       \
 123                                                                             \
 124   /* special instructions */                                                \
 125                                                                             \
 126   product(bool, UseCountLeadingZerosInstructionsPPC64, true,                \
 127           "Use count leading zeros instructions.")                          \
 128                                                                             \
 129   product(bool, UseCountTrailingZerosInstructionsPPC64, false,              \
 130           "Use count trailing zeros instructions.")                         \
 131                                                                             \
 132   product(bool, UseExtendedLoadAndReserveInstructionsPPC64, false,          \
 133           "Use extended versions of load-and-reserve instructions.")        \
 134                                                                             \
 135   product(bool, UseRotateAndMaskInstructionsPPC64, true,                    \
 136           "Use rotate and mask instructions.")                              \
 137                                                                             \
 138   product(bool, UseStaticBranchPredictionInCompareAndSwapPPC64, true,       \
 139           "Use static branch prediction hints in CAS operations.")          \
 140   product(bool, UseStaticBranchPredictionForUncommonPathsPPC64, false,      \
 141           "Use static branch prediction hints for uncommon paths.")         \
 142                                                                             \
 143   product(bool, UsePower6SchedulerPPC64, false,                             \
 144           "Use Power6 Scheduler.")                                          \
 145                                                                             \
 146   product(bool, InsertEndGroupPPC64, false,                                 \
 147           "Insert EndGroup instructions to optimize for Power6.")           \
 148                                                                             \
 149   /* Trap based checks. */                                                  \
 150   /* Trap based checks use the ppc trap instructions to check certain */    \
 151   /* conditions. This instruction raises a SIGTRAP caught by the      */    \