src/hotspot/cpu/ppc/stubRoutines_ppc.hpp

rev 53441 : 8217459: [PPC64] Cleanup non-vector version of CRC32
Reviewed-by:

*** 36,76 ****
    code_size1 = 20000,          // simply increase if too small (assembler will crash if too small)
    code_size2 = 24000           // simply increase if too small (assembler will crash if too small)
  };
  
  // CRC32 Intrinsics.
! #define CRC32_COLUMN_SIZE 256
! #define CRC32_BYFOUR
! #ifdef  CRC32_BYFOUR
!   #define CRC32_TABLES 8
! #else
!   #define CRC32_TABLES 1
! #endif
! 
  #define REVERSE_CRC32_POLY  0xEDB88320
  #define REVERSE_CRC32C_POLY 0x82F63B78
  #define INVERSE_REVERSE_CRC32_POLY  0x1aab14226ull
  #define INVERSE_REVERSE_CRC32C_POLY 0x105fd79bdull
  #define CRC32_UNROLL_FACTOR 2048
  #define CRC32_UNROLL_FACTOR2 8
  
! 
! class ppc64 {
!  friend class StubGenerator;
! 
!  private:
! 
!   // CRC32 Intrinsics.
!   static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
!   static juint _crc32c_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
!   static juint *_crc_constants;
!   static juint *_crc32c_constants;
! 
!  public:
! 
!   // CRC32 Intrinsics.
!   static address crc_constants() { return (address)_crc_constants; }
!   static address crc32c_constants() { return (address)_crc32c_constants; }
!   static juint* generate_crc_constants(juint reverse_poly);
! };
  
  #endif // CPU_PPC_STUBROUTINES_PPC_HPP
--- 36,51 ----
    code_size1 = 20000,          // simply increase if too small (assembler will crash if too small)
    code_size2 = 24000           // simply increase if too small (assembler will crash if too small)
  };
  
  // CRC32 Intrinsics.
! #define CRC32_TABLE_SIZE (4 * 256)
  #define REVERSE_CRC32_POLY  0xEDB88320
  #define REVERSE_CRC32C_POLY 0x82F63B78
  #define INVERSE_REVERSE_CRC32_POLY  0x1aab14226ull
  #define INVERSE_REVERSE_CRC32C_POLY 0x105fd79bdull
  #define CRC32_UNROLL_FACTOR 2048
  #define CRC32_UNROLL_FACTOR2 8
  
! static address generate_crc_constants(juint reverse_poly);
  
  #endif // CPU_PPC_STUBROUTINES_PPC_HPP