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50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
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/* riscv_functions.h -- RISCV implementations for arch-specific functions.
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*
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* Copyright (C) 2023 SiFive, Inc. All rights reserved.
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* Contributed by Alex Chiang <alex.chiang@sifive.com>
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*
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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 RISCV_FUNCTIONS_H_
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#define RISCV_FUNCTIONS_H_
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#ifdef RISCV_RVV
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uint32_t adler32_rvv(uint32_t adler, const uint8_t *buf, size_t len);
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uint32_t adler32_fold_copy_rvv(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len);
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uint32_t chunksize_rvv(void);
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uint8_t* chunkmemset_safe_rvv(uint8_t *out, unsigned dist, unsigned len, unsigned left);
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uint32_t compare256_rvv(const uint8_t *src0, const uint8_t *src1);
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uint32_t longest_match_rvv(deflate_state *const s, Pos cur_match);
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uint32_t longest_match_slow_rvv(deflate_state *const s, Pos cur_match);
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void slide_hash_rvv(deflate_state *s);
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void inflate_fast_rvv(PREFIX3(stream) *strm, uint32_t start);
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#endif
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#ifdef DISABLE_RUNTIME_CPU_DETECTION
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// RISCV - RVV
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# if defined(RISCV_RVV) && defined(__riscv_v) && defined(__linux__)
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# undef native_adler32
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# define native_adler32 adler32_rvv
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# undef native_adler32_fold_copy
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# define native_adler32_fold_copy adler32_fold_copy_rvv
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# undef native_chunkmemset_safe
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# define native_chunkmemset_safe chunkmemset_safe_rvv
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# undef native_chunksize
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# define native_chunksize chunksize_rvv
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# undef native_compare256
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# define native_compare256 compare256_rvv
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# undef native_inflate_fast
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# define native_inflate_fast inflate_fast_rvv
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# undef native_longest_match
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# define native_longest_match longest_match_rvv
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# undef native_longest_match_slow
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# define native_longest_match_slow longest_match_slow_rvv
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# undef native_slide_hash
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# define native_slide_hash slide_hash_rvv
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# endif
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#endif
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#endif /* RISCV_FUNCTIONS_H_ */
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