rev 53441 : 8217459: [PPC64] Cleanup non-vector version of CRC32
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   1 /*
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  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
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  25 
  26 #ifndef CPU_PPC_STUBROUTINES_PPC_HPP
  27 #define CPU_PPC_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 = 24000           // simply increase if too small (assembler will crash if too small)
  38 };
  39 
  40 // CRC32 Intrinsics.
  41 #define CRC32_TABLE_SIZE (4 * 256)







  42 #define REVERSE_CRC32_POLY  0xEDB88320
  43 #define REVERSE_CRC32C_POLY 0x82F63B78
  44 #define INVERSE_REVERSE_CRC32_POLY  0x1aab14226ull
  45 #define INVERSE_REVERSE_CRC32C_POLY 0x105fd79bdull
  46 #define CRC32_UNROLL_FACTOR 2048
  47 #define CRC32_UNROLL_FACTOR2 8
  48 
  49 static address generate_crc_constants(juint reverse_poly);


















  50 
  51 #endif // CPU_PPC_STUBROUTINES_PPC_HPP
--- EOF ---