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zlib-ng
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power
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power_functions.h

power_functions.h 2.3 KB
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  1. /* power_functions.h -- POWER implementations for arch-specific functions.
    2. 

  2.  * Copyright (C) 2020 Matheus Castanho <msc@linux.ibm.com>, IBM
    3. 

  3.  * Copyright (C) 2021 Mika T. Lindqvist <postmaster@raasu.org>
    4. 

  4.  * For conditions of distribution and use, see copyright notice in zlib.h
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef POWER_FUNCTIONS_H_
    8. 

  8. #define POWER_FUNCTIONS_H_
    9. 

  9. 

  10. #ifdef PPC_VMX
    11. 

  11. uint32_t adler32_vmx(uint32_t adler, const uint8_t *buf, size_t len);
    12. 

  12. void slide_hash_vmx(deflate_state *s);
    13. 

  13. #endif
    14. 

  14. 

  15. #ifdef POWER8_VSX
    16. 

  16. uint32_t adler32_power8(uint32_t adler, const uint8_t *buf, size_t len);
    17. 

  17. uint32_t chunksize_power8(void);
    18. 

  18. uint8_t* chunkmemset_safe_power8(uint8_t *out, unsigned dist, unsigned len, unsigned left);
    19. 

  19. uint32_t crc32_power8(uint32_t crc, const uint8_t *buf, size_t len);
    20. 

  20. void slide_hash_power8(deflate_state *s);
    21. 

  21. void inflate_fast_power8(PREFIX3(stream) *strm, uint32_t start);
    22. 

  22. #endif
    23. 

  23. 

  24. #ifdef POWER9
    25. 

  25. uint32_t compare256_power9(const uint8_t *src0, const uint8_t *src1);
    26. 

  26. uint32_t longest_match_power9(deflate_state *const s, Pos cur_match);
    27. 

  27. uint32_t longest_match_slow_power9(deflate_state *const s, Pos cur_match);
    28. 

  28. #endif
    29. 

  29. 

  30. 

  31. #ifdef DISABLE_RUNTIME_CPU_DETECTION
    32. 

  32. // Power - VMX
    33. 

  33. #  if defined(PPC_VMX) && defined(__ALTIVEC__)
    34. 

  34. #    undef native_adler32
    35. 

  35. #    define native_adler32 adler32_vmx
    36. 

  36. #    undef native_slide_hash
    37. 

  37. #    define native_slide_hash slide_hash_vmx
    38. 

  38. #  endif
    39. 

  39. // Power8 - VSX
    40. 

  40. #  if defined(POWER8_VSX) && defined(_ARCH_PWR8) && defined(__VSX__)
    41. 

  41. #    undef native_adler32
    42. 

  42. #    define native_adler32 adler32_power8
    43. 

  43. #    undef native_chunkmemset_safe
    44. 

  44. #    define native_chunkmemset_safe chunkmemset_safe_power8
    45. 

  45. #    undef native_chunksize
    46. 

  46. #    define native_chunksize chunksize_power8
    47. 

  47. #    undef native_inflate_fast
    48. 

  48. #    define native_inflate_fast inflate_fast_power8
    49. 

  49. #    undef native_slide_hash
    50. 

  50. #    define native_slide_hash slide_hash_power8
    51. 

  51. #  endif
    52. 

  52. #  if defined(POWER8_VSX_CRC32) && defined(_ARCH_PWR8) && defined(__VSX__)
    53. 

  53. #    undef native_crc32
    54. 

  54. #    define native_crc32 crc32_power8
    55. 

  55. #  endif
    56. 

  56. // Power9
    57. 

  57. #  if defined(POWER9) && defined(_ARCH_PWR9)
    58. 

  58. #    undef native_compare256
    59. 

  59. #    define native_compare256 compare256_power9
    60. 

  60. #    undef native_longest_match
    61. 

  61. #    define native_longest_match longest_match_power9
    62. 

  62. #    undef native_longest_match_slow
    63. 

  63. #    define native_longest_match_slow longest_match_slow_power9
    64. 

  64. #  endif
    65. 

  65. #endif
    66. 

  66. 

  67. #endif /* POWER_FUNCTIONS_H_ */
    68.