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PPU: some instructions replaced

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This commit is contained in:
Nekotekina 2015-03-26 21:42:12 +03:00
parent 75fa95c7ff
commit d640aba903
4 changed files with 38 additions and 118 deletions
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10
Utilities/BEType.h
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@ -307,16 +307,6 @@ union _CRT_ALIGN(16) u128
return fromV(_mm_cmpeq_epi8(left.vi, right.vi));
}
static __forceinline u128 gtu8(const u128& left, const u128& right)
{
return fromV(_mm_cmpgt_epu8(left.vi, right.vi));
}
static __forceinline u128 leu8(const u128& left, const u128& right)
{
return fromV(_mm_cmple_epu8(left.vi, right.vi));
}
bool operator == (const u128& right) const
{
return (_u64[0] == right._u64[0]) && (_u64[1] == right._u64[1]);

18
Utilities/GNU.h
View file

@ -342,15 +342,21 @@ static __forceinline uint64_t cntlz64(uint64_t arg)
}
// compare 16 packed unsigned bytes (greater than)
static __forceinline __m128i _mm_cmpgt_epu8(__m128i A, __m128i B)
inline __m128i sse_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)));
const auto sign = _mm_set1_epi32(0x80808080);
return _mm_cmpgt_epi8(_mm_xor_si128(A, sign), _mm_xor_si128(B, sign));
}
// compare 16 packed unsigned bytes (less or equal)
static __forceinline __m128i _mm_cmple_epu8(__m128i A, __m128i B)
inline __m128i sse_cmpgt_epu16(__m128i A, __m128i B)
{
// ((B xor 0x80) > (A xor 0x80)) || A == B
return _mm_or_si128(_mm_cmpgt_epu8(B, A), _mm_cmpeq_epi8(A, B));
const auto sign = _mm_set1_epi32(0x80008000);
return _mm_cmpgt_epi16(_mm_xor_si128(A, sign), _mm_xor_si128(B, sign));
}
inline __m128i sse_cmpgt_epu32(__m128i A, __m128i B)
{
const auto sign = _mm_set1_epi32(0x80000000);
return _mm_cmpgt_epi32(_mm_xor_si128(A, sign), _mm_xor_si128(B, sign));
}