Add CRC32Wx4 and CRC32CWx4 for 4 blocks at a time

1 files changed, 2 insertions, 12 deletions

diff --git a/crc_simd.cpp b/crc_simd.cpp
index 1bbc8757..0355e9be 100644
--- a/crc_simd.cpp
+++ b/crc_simd.cpp
@@ -121,12 +121,7 @@ void CRC32_Update_ARMV8(const byte *s, size_t n, word32& c)
         c = CRC32B(c, *s);

 

     for(; n >= 16; s+=16, n-=16)

-    {

-        c = CRC32W(c, *(const word32 *)(void*)(s+ 0));

-        c = CRC32W(c, *(const word32 *)(void*)(s+ 4));

-        c = CRC32W(c, *(const word32 *)(void*)(s+ 8));

-        c = CRC32W(c, *(const word32 *)(void*)(s+12));

-    }

+        c = CRC32Wx4(c, (const word32 *)(void*)s);

 

     for(; n >= 4; s+=4, n-=4)

         c = CRC32W(c, *(const word32 *)(void*)s);

@@ -141,12 +136,7 @@ void CRC32C_Update_ARMV8(const byte *s, size_t n, word32& c)
         c = CRC32CB(c, *s);

 

     for(; n >= 16; s+=16, n-=16)

-    {

-        c = CRC32CW(c, *(const word32 *)(void*)(s+ 0));

-        c = CRC32CW(c, *(const word32 *)(void*)(s+ 4));

-        c = CRC32CW(c, *(const word32 *)(void*)(s+ 8));

-        c = CRC32CW(c, *(const word32 *)(void*)(s+12));

-    }

+        c = CRC32CWx4(c, (const word32 *)(void*)s);

 

     for(; n >= 4; s+=4, n-=4)

         c = CRC32CW(c, *(const word32 *)(void*)s);