Small fixes

This commit is contained in:
Nekotekina 2014-10-08 18:26:08 +04:00
parent 9a02add930
commit 266c3d4753
6 changed files with 11 additions and 10 deletions

View file

@ -225,14 +225,14 @@ static __forceinline uint64_t cntlz64(uint64_t arg)
#endif
}
// compare 16 packed unsigned byte values (greater than)
// compare 16 packed unsigned bytes (greater than)
static __forceinline __m128i _mm_cmpgt_epu8(__m128i A, __m128i B)
{
// (A xor 0x80) > (B xor 0x80)
return _mm_cmpgt_epi8(_mm_xor_si128(A, _mm_set1_epi8(-128)), _mm_xor_si128(B, _mm_set1_epi8(-128)));
}
// compare 16 packed unsigned byte values (less or equal)
// compare 16 packed unsigned bytes (less or equal)
static __forceinline __m128i _mm_cmple_epu8(__m128i A, __m128i B)
{
// ((B xor 0x80) > (A xor 0x80)) || A == B