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src/cpu/x86/vm/globals_x86.hpp

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  99 
 100 define_pd_global(bool, PreserveFramePointer, false);
 101 
 102 define_pd_global(intx, InitArrayShortSize, 8*BytesPerLong);
 103 
 104 #define ARCH_FLAGS(develop, \
 105                    product, \
 106                    diagnostic, \
 107                    experimental, \
 108                    notproduct, \
 109                    range, \
 110                    constraint, \
 111                    writeable) \
 112                                                                             \
 113   develop(bool, IEEEPrecision, true,                                        \
 114           "Enables IEEE precision (for INTEL only)")                        \
 115                                                                             \
 116   product(bool, UseStoreImmI16, true,                                       \
 117           "Use store immediate 16-bits value instruction on x86")           \
 118                                                                             \
 119   product(intx, UseAVX, 99,                                                 \
 120           "Highest supported AVX instructions set on x86/x64")              \
 121           range(0, 99)                                                      \

 122                                                                             \
 123   product(bool, UseCLMUL, false,                                            \
 124           "Control whether CLMUL instructions can be used on x86/x64")      \
 125                                                                             \
 126   diagnostic(bool, UseIncDec, true,                                         \
 127           "Use INC, DEC instructions on x86")                               \
 128                                                                             \
 129   product(bool, UseNewLongLShift, false,                                    \
 130           "Use optimized bitwise shift left")                               \
 131                                                                             \
 132   product(bool, UseAddressNop, false,                                       \
 133           "Use '0F 1F [addr]' NOP instructions on x86 cpus")                \
 134                                                                             \
 135   product(bool, UseXmmLoadAndClearUpper, true,                              \
 136           "Load low part of XMM register and clear upper part")             \
 137                                                                             \
 138   product(bool, UseXmmRegToRegMoveAll, false,                               \
 139           "Copy all XMM register bits when moving value between registers") \
 140                                                                             \
 141   product(bool, UseXmmI2D, false,                                           \




  99 
 100 define_pd_global(bool, PreserveFramePointer, false);
 101 
 102 define_pd_global(intx, InitArrayShortSize, 8*BytesPerLong);
 103 
 104 #define ARCH_FLAGS(develop, \
 105                    product, \
 106                    diagnostic, \
 107                    experimental, \
 108                    notproduct, \
 109                    range, \
 110                    constraint, \
 111                    writeable) \
 112                                                                             \
 113   develop(bool, IEEEPrecision, true,                                        \
 114           "Enables IEEE precision (for INTEL only)")                        \
 115                                                                             \
 116   product(bool, UseStoreImmI16, true,                                       \
 117           "Use store immediate 16-bits value instruction on x86")           \
 118                                                                             \
 119   product(intx, UseAVX, 2,                                                  \
 120           "Highest supported AVX instructions set on x86/x64")              \
 121           range(0, 99)                                                      \
 122           constraint(UseAVXConstraintFunc, AtParse)                         \
 123                                                                             \
 124   product(bool, UseCLMUL, false,                                            \
 125           "Control whether CLMUL instructions can be used on x86/x64")      \
 126                                                                             \
 127   diagnostic(bool, UseIncDec, true,                                         \
 128           "Use INC, DEC instructions on x86")                               \
 129                                                                             \
 130   product(bool, UseNewLongLShift, false,                                    \
 131           "Use optimized bitwise shift left")                               \
 132                                                                             \
 133   product(bool, UseAddressNop, false,                                       \
 134           "Use '0F 1F [addr]' NOP instructions on x86 cpus")                \
 135                                                                             \
 136   product(bool, UseXmmLoadAndClearUpper, true,                              \
 137           "Load low part of XMM register and clear upper part")             \
 138                                                                             \
 139   product(bool, UseXmmRegToRegMoveAll, false,                               \
 140           "Copy all XMM register bits when moving value between registers") \
 141                                                                             \
 142   product(bool, UseXmmI2D, false,                                           \


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