hotspot/src/cpu/x86/vm/stubRoutines_x86.hpp
author kvn
Mon, 28 Dec 2015 23:11:01 -0800
changeset 35154 a9b3c1984a01
parent 33066 d98eab8215c4
child 36555 4f37fd7a5a09
permissions -rw-r--r--
8143925: Enhancing CounterMode.crypt() for AES Summary: Add intrinsic for CounterMode.crypt() to leverage the parallel nature of AES in Counter(CTR) Mode. Reviewed-by: kvn, ascarpino Contributed-by: kishor.kharbas@intel.com

/*
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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#ifndef CPU_X86_VM_STUBROUTINES_X86_HPP
#define CPU_X86_VM_STUBROUTINES_X86_HPP

// This file holds the platform specific parts of the StubRoutines
// definition. See stubRoutines.hpp for a description on how to
// extend it.

 private:
  static address _verify_mxcsr_entry;
  // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers
  static address _key_shuffle_mask_addr;

  //shuffle mask for big-endian 128-bit integers
  static address _counter_shuffle_mask_addr;

  // masks and table for CRC32
  static uint64_t _crc_by128_masks[];
  static juint    _crc_table[];
  // table for CRC32C
  static juint* _crc32c_table;
  // swap mask for ghash
  static address _ghash_long_swap_mask_addr;
  static address _ghash_byte_swap_mask_addr;

 public:
  static address verify_mxcsr_entry()    { return _verify_mxcsr_entry; }
  static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; }
  static address counter_shuffle_mask_addr() { return _counter_shuffle_mask_addr; }
  static address crc_by128_masks_addr()  { return (address)_crc_by128_masks; }
  static address ghash_long_swap_mask_addr() { return _ghash_long_swap_mask_addr; }
  static address ghash_byte_swap_mask_addr() { return _ghash_byte_swap_mask_addr; }
  static void generate_CRC32C_table(bool is_pclmulqdq_supported);
#endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP