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Add CONST_WORD32_CAST macro to CRC source files

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This commit is contained in:
Jeffrey Walton 2021-05-25 23:15:38 -04:00
parent 5d26a4fadf
commit b5cc2adb11
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GPG Key ID: B36AB348921B1838
1 changed files with 11 additions and 9 deletions
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20
crc_simd.cpp
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@ -32,6 +32,8 @@
# define EXCEPTION_EXECUTE_HANDLER 1
#endif
#define CONST_WORD32_CAST(x) ((const word32 *)(void*)(x))
// Squash MS LNK4221 and libtool warnings
extern const char CRC_SIMD_FNAME[] = __FILE__;
@ -121,10 +123,10 @@ void CRC32_Update_ARMV8(const byte *s, size_t n, word32& c)
c = CRC32B(c, *s);
for(; n >= 16; s+=16, n-=16)
c = CRC32Wx4(c, (const word32 *)(void*)s);
c = CRC32Wx4(c, CONST_WORD32_CAST(s));
for(; n >= 4; s+=4, n-=4)
c = CRC32W(c, *(const word32 *)(void*)s);
c = CRC32W(c, *CONST_WORD32_CAST(s));
for(; n > 0; s++, n--)
c = CRC32B(c, *s);
@ -136,10 +138,10 @@ void CRC32C_Update_ARMV8(const byte *s, size_t n, word32& c)
c = CRC32CB(c, *s);
for(; n >= 16; s+=16, n-=16)
c = CRC32CWx4(c, (const word32 *)(void*)s);
c = CRC32CWx4(c, CONST_WORD32_CAST(s));
for(; n >= 4; s+=4, n-=4)
c = CRC32CW(c, *(const word32 *)(void*)s);
c = CRC32CW(c, *CONST_WORD32_CAST(s));
for(; n > 0; s++, n--)
c = CRC32CB(c, *s);
@ -154,14 +156,14 @@ void CRC32C_Update_SSE42(const byte *s, size_t n, word32& c)
for(; n >= 16; s+=16, n-=16)
{
c = _mm_crc32_u32(c, *(const word32 *)(void*)(s+ 0));
c = _mm_crc32_u32(c, *(const word32 *)(void*)(s+ 4));
c = _mm_crc32_u32(c, *(const word32 *)(void*)(s+ 8));
c = _mm_crc32_u32(c, *(const word32 *)(void*)(s+12));
c = _mm_crc32_u32(c, *CONST_WORD32_CAST(s+ 0));
c = _mm_crc32_u32(c, *CONST_WORD32_CAST(s+ 4));
c = _mm_crc32_u32(c, *CONST_WORD32_CAST(s+ 8));
c = _mm_crc32_u32(c, *CONST_WORD32_CAST(s+12));
}
for(; n >= 4; s+=4, n-=4)
c = _mm_crc32_u32(c, *(const word32 *)(void*)s);
c = _mm_crc32_u32(c, *CONST_WORD32_CAST(s));
for(; n > 0; s++, n--)
c = _mm_crc32_u8(c, *s);