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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+/* arm_functions.h -- ARM implementations for arch-specific functions.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifndef ARM_FUNCTIONS_H_
+#define ARM_FUNCTIONS_H_
+
+#ifdef ARM_NEON
+uint32_t adler32_neon(uint32_t adler, const uint8_t *buf, size_t len);
+uint32_t chunksize_neon(void);
+uint8_t* chunkmemset_safe_neon(uint8_t *out, unsigned dist, unsigned len, unsigned left);
+
+#  ifdef HAVE_BUILTIN_CTZLL
+uint32_t compare256_neon(const uint8_t *src0, const uint8_t *src1);
+uint32_t longest_match_neon(deflate_state *const s, Pos cur_match);
+uint32_t longest_match_slow_neon(deflate_state *const s, Pos cur_match);
+#  endif
+void slide_hash_neon(deflate_state *s);
+void inflate_fast_neon(PREFIX3(stream) *strm, uint32_t start);
+#endif
+
+#ifdef ARM_ACLE
+uint32_t crc32_acle(uint32_t crc, const uint8_t *buf, size_t len);
+#endif
+
+#ifdef ARM_SIMD
+void slide_hash_armv6(deflate_state *s);
+#endif
+
+
+#ifdef DISABLE_RUNTIME_CPU_DETECTION
+// ARM - SIMD
+#  if (defined(ARM_SIMD) && defined(__ARM_FEATURE_SIMD32)) || defined(ARM_NOCHECK_SIMD)
+#    undef native_slide_hash
+#    define native_slide_hash slide_hash_armv6
+#  endif
+// ARM - NEON
+#  if (defined(ARM_NEON) && (defined(__ARM_NEON__) || defined(__ARM_NEON))) || ARM_NOCHECK_NEON
+#    undef native_adler32
+#    define native_adler32 adler32_neon
+#    undef native_chunkmemset_safe
+#    define native_chunkmemset_safe chunkmemset_safe_neon
+#    undef native_chunksize
+#    define native_chunksize chunksize_neon
+#    undef native_inflate_fast
+#    define native_inflate_fast inflate_fast_neon
+#    undef native_slide_hash
+#    define native_slide_hash slide_hash_neon
+#    ifdef HAVE_BUILTIN_CTZLL
+#      undef native_compare256
+#      define native_compare256 compare256_neon
+#      undef native_longest_match
+#      define native_longest_match longest_match_neon
+#      undef native_longest_match_slow
+#      define native_longest_match_slow longest_match_slow_neon
+#    endif
+#  endif
+// ARM - ACLE
+#  if defined(ARM_ACLE) && defined(__ARM_ACLE) && defined(__ARM_FEATURE_CRC32)
+#    undef native_crc32
+#    define native_crc32 crc32_acle
+#  endif
+#endif
+
+#endif /* ARM_FUNCTIONS_H_ */