Add 'neozip/' from commit 'c2712b8a345191f6ed79558c089777df94590087'

git-subtree-dir: neozip
git-subtree-mainline: b1e34e861b5d732afe828d58aad2c638135061fd
git-subtree-split: c2712b8a345191f6ed79558c089777df94590087

1 files changed, 86 insertions, 0 deletions

diff --git a/neozip/arch/loongarch/loongarch_functions.h b/neozip/arch/loongarch/loongarch_functions.h
new file mode 100644
index 0000000000..0ec8bd66d7
--- /dev/null
+++ b/neozip/arch/loongarch/loongarch_functions.h
@@ -0,0 +1,86 @@
+/* loongarch_functions.h -- LoongArch implementations for arch-specific functions.
+ *
+ * Copyright (C) 2025 Vladislav Shchapov <vladislav@shchapov.ru>
+ *
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifndef LOONGARCH_FUNCTIONS_H_
+#define LOONGARCH_FUNCTIONS_H_
+
+#include "loongarch_natives.h"
+
+#ifdef LOONGARCH_CRC
+uint32_t crc32_loongarch64(uint32_t crc, const uint8_t *buf, size_t len);
+uint32_t crc32_copy_loongarch64(uint32_t crc, uint8_t *dst, const uint8_t *src, size_t len);
+#endif
+
+#ifdef LOONGARCH_LSX
+uint32_t adler32_lsx(uint32_t adler, const uint8_t *src, size_t len);
+uint32_t adler32_copy_lsx(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len);
+uint8_t* chunkmemset_safe_lsx(uint8_t *out, uint8_t *from, size_t len, size_t left);
+uint32_t compare256_lsx(const uint8_t *src0, const uint8_t *src1);
+void inflate_fast_lsx(PREFIX3(stream) *strm, uint32_t start);
+uint32_t longest_match_lsx(deflate_state *const s, uint32_t cur_match);
+uint32_t longest_match_slow_lsx(deflate_state *const s, uint32_t cur_match);
+void slide_hash_lsx(deflate_state *s);
+#endif
+
+#ifdef LOONGARCH_LASX
+uint32_t adler32_lasx(uint32_t adler, const uint8_t *src, size_t len);
+uint32_t adler32_copy_lasx(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len);
+uint8_t* chunkmemset_safe_lasx(uint8_t *out, uint8_t *from, size_t len, size_t left);
+uint32_t compare256_lasx(const uint8_t *src0, const uint8_t *src1);
+void inflate_fast_lasx(PREFIX3(stream) *strm, uint32_t start);
+uint32_t longest_match_lasx(deflate_state *const s, uint32_t cur_match);
+uint32_t longest_match_slow_lasx(deflate_state *const s, uint32_t cur_match);
+void slide_hash_lasx(deflate_state *s);
+#endif
+
+#ifdef DISABLE_RUNTIME_CPU_DETECTION
+// LOONGARCH - CRC32
+#  ifdef LOONGARCH_CRC_NATIVE
+#    undef native_crc32
+#    define native_crc32 crc32_loongarch64
+#    undef native_crc32_copy
+#    define native_crc32_copy crc32_copy_loongarch64
+#  endif
+#  ifdef LOONGARCH_LSX_NATIVE
+#    undef native_adler32
+#    define native_adler32 adler32_lsx
+#    undef native_adler32_copy
+#    define native_adler32_copy adler32_copy_lsx
+#    undef native_chunkmemset_safe
+#    define native_chunkmemset_safe chunkmemset_safe_lsx
+#    undef native_compare256
+#    define native_compare256 compare256_lsx
+#    undef native_inflate_fast
+#    define native_inflate_fast inflate_fast_lsx
+#    undef native_longest_match
+#    define native_longest_match longest_match_lsx
+#    undef native_longest_match_slow
+#    define native_longest_match_slow longest_match_slow_lsx
+#    undef native_slide_hash
+#    define native_slide_hash slide_hash_lsx
+#  endif
+#  ifdef LOONGARCH_LASX_NATIVE
+#    undef native_adler32
+#    define native_adler32 adler32_lasx
+#    undef native_adler32_copy
+#    define native_adler32_copy adler32_copy_lasx
+#    undef native_chunkmemset_safe
+#    define native_chunkmemset_safe chunkmemset_safe_lasx
+#    undef native_compare256
+#    define native_compare256 compare256_lasx
+#    undef native_inflate_fast
+#    define native_inflate_fast inflate_fast_lasx
+#    undef native_longest_match
+#    define native_longest_match longest_match_lasx
+#    undef native_longest_match_slow
+#    define native_longest_match_slow longest_match_slow_lasx
+#    undef native_slide_hash
+#    define native_slide_hash slide_hash_lasx
+#  endif
+#endif
+
+#endif /* LOONGARCH_FUNCTIONS_H_ */