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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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/* 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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