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Open Source Computer Vision Library
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55 lines
1.4 KiB
55 lines
1.4 KiB
/* chunkset_power8.c -- VSX inline functions to copy small data chunks. |
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* For conditions of distribution and use, see copyright notice in zlib.h |
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*/ |
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#ifdef POWER8_VSX |
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#include <altivec.h> |
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#include "../../zbuild.h" |
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typedef vector unsigned char chunk_t; |
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#define CHUNK_SIZE 16 |
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#define HAVE_CHUNKMEMSET_2 |
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#define HAVE_CHUNKMEMSET_4 |
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#define HAVE_CHUNKMEMSET_8 |
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static inline void chunkmemset_2(uint8_t *from, chunk_t *chunk) { |
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uint16_t tmp; |
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memcpy(&tmp, from, sizeof(tmp)); |
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*chunk = (vector unsigned char)vec_splats(tmp); |
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} |
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static inline void chunkmemset_4(uint8_t *from, chunk_t *chunk) { |
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uint32_t tmp; |
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memcpy(&tmp, from, sizeof(tmp)); |
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*chunk = (vector unsigned char)vec_splats(tmp); |
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} |
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static inline void chunkmemset_8(uint8_t *from, chunk_t *chunk) { |
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uint64_t tmp; |
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memcpy(&tmp, from, sizeof(tmp)); |
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*chunk = (vector unsigned char)vec_splats((unsigned long long)tmp); |
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} |
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static inline void loadchunk(uint8_t const *s, chunk_t *chunk) { |
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*chunk = vec_xl(0, s); |
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} |
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static inline void storechunk(uint8_t *out, chunk_t *chunk) { |
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vec_xst(*chunk, 0, out); |
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} |
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#define CHUNKSIZE chunksize_power8 |
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#define CHUNKCOPY chunkcopy_power8 |
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#define CHUNKUNROLL chunkunroll_power8 |
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#define CHUNKMEMSET chunkmemset_power8 |
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#define CHUNKMEMSET_SAFE chunkmemset_safe_power8 |
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#include "chunkset_tpl.h" |
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#define INFLATE_FAST inflate_fast_power8 |
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#include "inffast_tpl.h" |
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#endif
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