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src/hotspot/cpu/s390/globals_s390.hpp

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rev 57595 : v2.09a with 8235795, 8235931 and 8236035 extracted; rebased to jdk-14+28; merge with 8236035.patch.cr1; merge with 8235795.patch.cr1; merge with 8236035.patch.cr2; merge with 8235795.patch.cr2; merge with 8235795.patch.cr3.


  59 #define MIN_STACK_SHADOW_PAGES     DEFAULT_STACK_SHADOW_PAGES
  60 #define MIN_STACK_RESERVED_PAGES   (0)
  61 
  62 define_pd_global(intx,  StackYellowPages,            DEFAULT_STACK_YELLOW_PAGES);
  63 define_pd_global(intx,  StackRedPages,               DEFAULT_STACK_RED_PAGES);
  64 define_pd_global(intx,  StackShadowPages,            DEFAULT_STACK_SHADOW_PAGES);
  65 define_pd_global(intx,  StackReservedPages,          DEFAULT_STACK_RESERVED_PAGES);
  66 
  67 define_pd_global(bool, RewriteBytecodes,     true);
  68 define_pd_global(bool, RewriteFrequentPairs, true);
  69 
  70 define_pd_global(bool, PreserveFramePointer, false);
  71 
  72 define_pd_global(uintx, TypeProfileLevel, 111);
  73 
  74 define_pd_global(bool, CompactStrings, true);
  75 
  76 // 8146801 (Short Array Allocation): No performance work done here yet.
  77 define_pd_global(intx, InitArrayShortSize, 1*BytesPerLong);
  78 




  79 #define ARCH_FLAGS(develop,      \
  80                    product,      \
  81                    diagnostic,   \
  82                    experimental, \
  83                    notproduct,   \
  84                    range,        \
  85                    constraint,   \
  86                    writeable)    \
  87                                                                               \
  88   /* Reoptimize code-sequences of calls at runtime, e.g. replace an */        \
  89   /* indirect call by a direct call.                                */        \
  90   product(bool, ReoptimizeCallSequences, true,                                \
  91           "Reoptimize code-sequences of calls at runtime.")                   \
  92                                                                               \
  93   product(bool, UseByteReverseInstruction, true,                              \
  94           "Use byte reverse instruction.")                                    \
  95                                                                               \
  96   product(bool, ExpandLoadingBaseDecode, true, "Expand the assembler "        \
  97           "instruction required to load the base from DecodeN nodes during "  \
  98           "matching.")                                                        \




  59 #define MIN_STACK_SHADOW_PAGES     DEFAULT_STACK_SHADOW_PAGES
  60 #define MIN_STACK_RESERVED_PAGES   (0)
  61 
  62 define_pd_global(intx,  StackYellowPages,            DEFAULT_STACK_YELLOW_PAGES);
  63 define_pd_global(intx,  StackRedPages,               DEFAULT_STACK_RED_PAGES);
  64 define_pd_global(intx,  StackShadowPages,            DEFAULT_STACK_SHADOW_PAGES);
  65 define_pd_global(intx,  StackReservedPages,          DEFAULT_STACK_RESERVED_PAGES);
  66 
  67 define_pd_global(bool, RewriteBytecodes,     true);
  68 define_pd_global(bool, RewriteFrequentPairs, true);
  69 
  70 define_pd_global(bool, PreserveFramePointer, false);
  71 
  72 define_pd_global(uintx, TypeProfileLevel, 111);
  73 
  74 define_pd_global(bool, CompactStrings, true);
  75 
  76 // 8146801 (Short Array Allocation): No performance work done here yet.
  77 define_pd_global(intx, InitArrayShortSize, 1*BytesPerLong);
  78 
  79 // ObjectMonitor ref_count not implemented in C2 fast_lock() or
  80 // fast_unlock() so use a handshake for safety.
  81 define_pd_global(bool, HandshakeAfterDeflateIdleMonitors, true);
  82 
  83 #define ARCH_FLAGS(develop,      \
  84                    product,      \
  85                    diagnostic,   \
  86                    experimental, \
  87                    notproduct,   \
  88                    range,        \
  89                    constraint,   \
  90                    writeable)    \
  91                                                                               \
  92   /* Reoptimize code-sequences of calls at runtime, e.g. replace an */        \
  93   /* indirect call by a direct call.                                */        \
  94   product(bool, ReoptimizeCallSequences, true,                                \
  95           "Reoptimize code-sequences of calls at runtime.")                   \
  96                                                                               \
  97   product(bool, UseByteReverseInstruction, true,                              \
  98           "Use byte reverse instruction.")                                    \
  99                                                                               \
 100   product(bool, ExpandLoadingBaseDecode, true, "Expand the assembler "        \
 101           "instruction required to load the base from DecodeN nodes during "  \
 102           "matching.")                                                        \


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