vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

2026-08-22 00:10:33 +08:00
commit f7f077da11
6933 changed files with 2335208 additions and 0 deletions
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+/* chunkset_power8.c -- VSX inline functions to copy small data chunks.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifdef POWER8_VSX
+#include <altivec.h>
+#include "zbuild.h"
+
+typedef vector unsigned char chunk_t;
+
+#define CHUNK_SIZE 16
+
+#define HAVE_CHUNKMEMSET_2
+#define HAVE_CHUNKMEMSET_4
+#define HAVE_CHUNKMEMSET_8
+
+static inline void chunkmemset_2(uint8_t *from, chunk_t *chunk) {
+    uint16_t tmp;
+    memcpy(&tmp, from, sizeof(tmp));
+    *chunk = (vector unsigned char)vec_splats(tmp);
+}
+
+static inline void chunkmemset_4(uint8_t *from, chunk_t *chunk) {
+    uint32_t tmp;
+    memcpy(&tmp, from, sizeof(tmp));
+    *chunk = (vector unsigned char)vec_splats(tmp);
+}
+
+static inline void chunkmemset_8(uint8_t *from, chunk_t *chunk) {
+    uint64_t tmp;
+    memcpy(&tmp, from, sizeof(tmp));
+    *chunk = (vector unsigned char)vec_splats((unsigned long long)tmp);
+}
+
+static inline void loadchunk(uint8_t const *s, chunk_t *chunk) {
+    *chunk = vec_xl(0, s);
+}
+
+static inline void storechunk(uint8_t *out, chunk_t *chunk) {
+    vec_xst(*chunk, 0, out);
+}
+
+#define CHUNKSIZE        chunksize_power8
+#define CHUNKCOPY        chunkcopy_power8
+#define CHUNKUNROLL      chunkunroll_power8
+#define CHUNKMEMSET      chunkmemset_power8
+#define CHUNKMEMSET_SAFE chunkmemset_safe_power8
+
+#include "chunkset_tpl.h"
+
+#define INFLATE_FAST     inflate_fast_power8
+
+#include "inffast_tpl.h"
+
+#endif