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68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
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/* power_functions.h -- POWER implementations for arch-specific functions.
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* Copyright (C) 2020 Matheus Castanho <msc@linux.ibm.com>, IBM
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* Copyright (C) 2021 Mika T. Lindqvist <postmaster@raasu.org>
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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#ifndef POWER_FUNCTIONS_H_
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#define POWER_FUNCTIONS_H_
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#ifdef PPC_VMX
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uint32_t adler32_vmx(uint32_t adler, const uint8_t *buf, size_t len);
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void slide_hash_vmx(deflate_state *s);
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#endif
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#ifdef POWER8_VSX
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uint32_t adler32_power8(uint32_t adler, const uint8_t *buf, size_t len);
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uint32_t chunksize_power8(void);
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uint8_t* chunkmemset_safe_power8(uint8_t *out, unsigned dist, unsigned len, unsigned left);
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uint32_t crc32_power8(uint32_t crc, const uint8_t *buf, size_t len);
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void slide_hash_power8(deflate_state *s);
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void inflate_fast_power8(PREFIX3(stream) *strm, uint32_t start);
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#endif
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#ifdef POWER9
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uint32_t compare256_power9(const uint8_t *src0, const uint8_t *src1);
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uint32_t longest_match_power9(deflate_state *const s, Pos cur_match);
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uint32_t longest_match_slow_power9(deflate_state *const s, Pos cur_match);
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#endif
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#ifdef DISABLE_RUNTIME_CPU_DETECTION
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// Power - VMX
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# if defined(PPC_VMX) && defined(__ALTIVEC__)
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# undef native_adler32
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# define native_adler32 adler32_vmx
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# undef native_slide_hash
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# define native_slide_hash slide_hash_vmx
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# endif
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// Power8 - VSX
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# if defined(POWER8_VSX) && defined(_ARCH_PWR8) && defined(__VSX__)
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# undef native_adler32
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# define native_adler32 adler32_power8
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# undef native_chunkmemset_safe
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# define native_chunkmemset_safe chunkmemset_safe_power8
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# undef native_chunksize
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# define native_chunksize chunksize_power8
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# undef native_inflate_fast
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# define native_inflate_fast inflate_fast_power8
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# undef native_slide_hash
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# define native_slide_hash slide_hash_power8
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# endif
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# if defined(POWER8_VSX_CRC32) && defined(_ARCH_PWR8) && defined(__VSX__)
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# undef native_crc32
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# define native_crc32 crc32_power8
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# endif
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// Power9
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# if defined(POWER9) && defined(_ARCH_PWR9)
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# undef native_compare256
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# define native_compare256 compare256_power9
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# undef native_longest_match
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# define native_longest_match longest_match_power9
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# undef native_longest_match_slow
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# define native_longest_match_slow longest_match_slow_power9
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# endif
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#endif
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#endif /* POWER_FUNCTIONS_H_ */
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