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pyrDown and pyrUp SSE2 implementations replaced with wide universal intrinsics implementations

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This commit is contained in:
Vitaly Tuzov
2018-10-09 20:37:11 +03:00
parent c4d434fd6f
commit cc10e6b344
2 changed files with 188 additions and 627 deletions
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modules/core/include/opencv2/core/hal/intrin_sse.hpp
+20
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@@ -472,6 +472,9 @@ void v_rshr_pack_store(ushort* ptr, const v_uint32x4& a)
inline v_uint16x8 v_pack_u(const v_int32x4& a, const v_int32x4& b)
{
#if CV_SSE4_1
return v_uint16x8(_mm_packus_epi32(a.val, b.val));
#else
__m128i delta32 = _mm_set1_epi32(32768);
// preliminary saturate negative values to zero
@@ -480,34 +483,51 @@ inline v_uint16x8 v_pack_u(const v_int32x4& a, const v_int32x4& b)
__m128i r = _mm_packs_epi32(_mm_sub_epi32(a1, delta32), _mm_sub_epi32(b1, delta32));
return v_uint16x8(_mm_sub_epi16(r, _mm_set1_epi16(-32768)));
#endif
}
inline void v_pack_u_store(ushort* ptr, const v_int32x4& a)
{
#if CV_SSE4_1
_mm_storel_epi64((__m128i*)ptr, _mm_packus_epi32(a.val, a.val));
#else
__m128i delta32 = _mm_set1_epi32(32768);
__m128i a1 = _mm_sub_epi32(a.val, delta32);
__m128i r = _mm_sub_epi16(_mm_packs_epi32(a1, a1), _mm_set1_epi16(-32768));
_mm_storel_epi64((__m128i*)ptr, r);
#endif
}
template<int n> inline
v_uint16x8 v_rshr_pack_u(const v_int32x4& a, const v_int32x4& b)
{
#if CV_SSE4_1
__m128i delta = _mm_set1_epi32(1 << (n - 1));
return v_uint16x8(_mm_packus_epi32(_mm_srai_epi32(_mm_add_epi32(a.val, delta), n),
_mm_srai_epi32(_mm_add_epi32(b.val, delta), n)));
#else
__m128i delta = _mm_set1_epi32(1 << (n-1)), delta32 = _mm_set1_epi32(32768);
__m128i a1 = _mm_sub_epi32(_mm_srai_epi32(_mm_add_epi32(a.val, delta), n), delta32);
__m128i a2 = _mm_sub_epi16(_mm_packs_epi32(a1, a1), _mm_set1_epi16(-32768));
__m128i b1 = _mm_sub_epi32(_mm_srai_epi32(_mm_add_epi32(b.val, delta), n), delta32);
__m128i b2 = _mm_sub_epi16(_mm_packs_epi32(b1, b1), _mm_set1_epi16(-32768));
return v_uint16x8(_mm_unpacklo_epi64(a2, b2));
#endif
}
template<int n> inline
void v_rshr_pack_u_store(ushort* ptr, const v_int32x4& a)
{
#if CV_SSE4_1
__m128i delta = _mm_set1_epi32(1 << (n - 1));
__m128i a1 = _mm_srai_epi32(_mm_add_epi32(a.val, delta), n);
_mm_storel_epi64((__m128i*)ptr, _mm_packus_epi32(a1, a1));
#else
__m128i delta = _mm_set1_epi32(1 << (n-1)), delta32 = _mm_set1_epi32(32768);
__m128i a1 = _mm_sub_epi32(_mm_srai_epi32(_mm_add_epi32(a.val, delta), n), delta32);
__m128i a2 = _mm_sub_epi16(_mm_packs_epi32(a1, a1), _mm_set1_epi16(-32768));
_mm_storel_epi64((__m128i*)ptr, a2);
#endif
}
inline v_int16x8 v_pack(const v_int32x4& a, const v_int32x4& b)