From 52f0dbd936421a7aafc9a30f4206a79092aa3d06 Mon Sep 17 00:00:00 2001 From: ZhouPengcheng Date: Fri, 30 Dec 2022 04:22:56 +0000 Subject: [PATCH] add compiler macro for patch Signed-off-by: ZhouPengcheng --- zlib-Optimize-CRC32.patch | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/zlib-Optimize-CRC32.patch b/zlib-Optimize-CRC32.patch index a11ee46..16d66b4 100644 --- a/zlib-Optimize-CRC32.patch +++ b/zlib-Optimize-CRC32.patch @@ -11,8 +11,8 @@ crc32 through the interface provided by the neon instruction set. Modify by Li Qiang. --- - crc32.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 48 insertions(+) + crc32.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 50 insertions(+) diff --git a/crc32.c b/crc32.c index f8357b0..5c53068 100644 @@ -28,10 +28,11 @@ index f8357b0..5c53068 100644 /* A CRC of a message is computed on N braids of words in the message, where -@@ -600,6 +603,47 @@ const z_crc_t FAR * ZEXPORT get_crc_table() +@@ -600,6 +603,49 @@ const z_crc_t FAR * ZEXPORT get_crc_table() return (const z_crc_t FAR *)crc_table; } - + ++#ifdef __aarch64__ +ulg crc32_neon(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; @@ -72,6 +73,7 @@ index f8357b0..5c53068 100644 + + return (crc_result ^ 0xffffffffL); +} ++#endif + /* ========================================================================= * Use ARM machine instructions if available. This will compute the CRC about