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misaligment fixes

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This commit is contained in:
nillerusr
2022-05-15 21:09:59 +03:00
parent 1218fa659c
commit 3a73624b7e
39 changed files with 7592 additions and 6056 deletions
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12
tier1/checksum_crc.cpp
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@@ -105,6 +105,8 @@ void CRC32_ProcessBuffer(CRC32_t *pulCRC, const void *pBuffer, int nBuffer)
unsigned int nFront;
int nMain;
CRC32_t tmp;
JustAfew:
switch (nBuffer)
@@ -119,7 +121,8 @@ JustAfew:
ulCrc = pulCRCTable[*pb++ ^ (unsigned char)ulCrc] ^ (ulCrc >> 8);
case 4:
ulCrc ^= LittleLong( *(CRC32_t *)pb );
memcpy( &tmp, pb, sizeof(CRC32_t) );
ulCrc ^= LittleLong( tmp );
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
@@ -162,12 +165,15 @@ JustAfew:
nMain = nBuffer >> 3;
while (nMain--)
{
ulCrc ^= LittleLong( *(CRC32_t *)pb );
memcpy( &tmp, pb, sizeof(CRC32_t) );
ulCrc ^= LittleLong( tmp );
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc ^= LittleLong( *(CRC32_t *)(pb + 4) );
memcpy( &tmp, pb+4, sizeof(CRC32_t) );
ulCrc ^= LittleLong( tmp );
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);
ulCrc = pulCRCTable[(unsigned char)ulCrc] ^ (ulCrc >> 8);

6
tier1/processor_detect_linux.cpp
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@@ -12,9 +12,9 @@ bool CheckSSETechnology(void) { return false; }
bool CheckSSE2Technology(void) { return false; }
bool Check3DNowTechnology(void) { return false; }
#elif defined (__arm__)
bool CheckMMXTechnology(void) { return true; }
bool CheckSSETechnology(void) { return true; }
bool CheckSSE2Technology(void) { return true; }
bool CheckMMXTechnology(void) { return false; }
bool CheckSSETechnology(void) { return false; }
bool CheckSSE2Technology(void) { return false; }
bool Check3DNowTechnology(void) { return false; }
#else

3
tier1/snappy-stubs-internal.h
View File

@@ -100,7 +100,8 @@ static const int64 kint64max = static_cast<int64>(0x7FFFFFFFFFFFFFFFLL);
// x86 and PowerPC can simply do these loads and stores native.
#if defined(__i386__) || defined(__x86_64__) || defined(__powerpc__)
// fuck this shit
#if 0 // defined(__i386__) || defined(__x86_64__) || defined(__powerpc__)
#define UNALIGNED_LOAD16(_p) (*reinterpret_cast<const uint16 *>(_p))
#define UNALIGNED_LOAD32(_p) (*reinterpret_cast<const uint32 *>(_p))