28 
  29 // This file holds the platform specific parts of the StubRoutines
  30 // definition. See stubRoutines.hpp for a description on how to
  31 // extend it.
  32 
  33 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
  34 
  35 enum platform_dependent_constants {
  36   code_size1 = 20000,          // simply increase if too small (assembler will crash if too small)
  37   code_size2 = 20000           // simply increase if too small (assembler will crash if too small)
  38 };
  39 
  40 // CRC32 Intrinsics.
  41 #define CRC32_COLUMN_SIZE 256
  42 #define CRC32_BYFOUR
  43 #ifdef  CRC32_BYFOUR
  44   #define CRC32_TABLES 8
  45 #else
  46   #define CRC32_TABLES 1
  47 #endif


  48 
  49 class ppc64 {
  50  friend class StubGenerator;
  51 
  52  private:
  53 
  54   // CRC32 Intrinsics.
  55   static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];


  56 
  57  public:
  58 
  59   // CRC32 Intrinsics.
  60   static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);




  61 
  62 };
  63 
  64 #endif // CPU_PPC_VM_STUBROUTINES_PPC_HPP

  28 
  29 // This file holds the platform specific parts of the StubRoutines
  30 // definition. See stubRoutines.hpp for a description on how to
  31 // extend it.
  32 
  33 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
  34 
  35 enum platform_dependent_constants {
  36   code_size1 = 20000,          // simply increase if too small (assembler will crash if too small)
  37   code_size2 = 20000           // simply increase if too small (assembler will crash if too small)
  38 };
  39 
  40 // CRC32 Intrinsics.
  41 #define CRC32_COLUMN_SIZE 256
  42 #define CRC32_BYFOUR
  43 #ifdef  CRC32_BYFOUR
  44   #define CRC32_TABLES 8
  45 #else
  46   #define CRC32_TABLES 1
  47 #endif
  48 #define CRC32_CONSTANTS_SIZE 1084
  49 #define CRC32_BARRET_CONSTANTS 10
  50 
  51 class ppc64 {
  52  friend class StubGenerator;
  53 
  54  private:
  55 
  56   // CRC32 Intrinsics.
  57   static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
  58   static juint* _constants;
  59   static juint* _barret_constants;
  60 
  61  public:
  62 
  63   // CRC32 Intrinsics.
  64   static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);
  65   static void generate_load_crc_constants_addr(MacroAssembler* masm, Register table);
  66   static void generate_load_crc_barret_constants_addr(MacroAssembler* masm, Register table);
  67   static juint* generate_crc_constants();
  68   static juint* generate_crc_barret_constants();
  69 
  70 };
  71 
  72 #endif // CPU_PPC_VM_STUBROUTINES_PPC_HPP