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85923c8f30
Update zlib-ng to 2.2.1 #26113 Release: https://github.com/zlib-ng/zlib-ng/releases/tag/2.2.1 ARM diagnostics patch: https://github.com/zlib-ng/zlib-ng/pull/1774 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* 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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