}
};
+#elif CV_SSE2
+
+#if CV_SSE4_1
+
+template <>
+struct Mul_SIMD<ushort, float>
+{
+ Mul_SIMD()
+ {
+ haveSSE = checkHardwareSupport(CV_CPU_SSE4_1);
+ }
+
+ int operator() (const ushort * src1, const ushort * src2, ushort * dst, int width, float scale) const
+ {
+ int x = 0;
+
+ if (!haveSSE)
+ return x;
+
+ __m128i v_zero = _mm_setzero_si128();
+
+ if( scale != 1.0f )
+ {
+ __m128 v_scale = _mm_set1_ps(scale);
+ for ( ; x <= width - 8; x += 8)
+ {
+ __m128i v_src1 = _mm_loadu_si128((__m128i const *)(src1 + x));
+ __m128i v_src2 = _mm_loadu_si128((__m128i const *)(src2 + x));
+
+ __m128 v_dst1 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_unpacklo_epi16(v_src1, v_zero)),
+ _mm_cvtepi32_ps(_mm_unpacklo_epi16(v_src2, v_zero)));
+ v_dst1 = _mm_mul_ps(v_dst1, v_scale);
+
+ __m128 v_dst2 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_unpackhi_epi16(v_src1, v_zero)),
+ _mm_cvtepi32_ps(_mm_unpackhi_epi16(v_src2, v_zero)));
+ v_dst2 = _mm_mul_ps(v_dst2, v_scale);
+
+ __m128i v_dsti = _mm_packus_epi32(_mm_cvtps_epi32(v_dst1), _mm_cvtps_epi32(v_dst2));
+ _mm_storeu_si128((__m128i *)(dst + x), v_dsti);
+ }
+ }
+
+ return x;
+ }
+
+ bool haveSSE;
+};
+
+#endif
+
+template <>
+struct Mul_SIMD<schar, float>
+{
+ Mul_SIMD()
+ {
+ haveSSE = checkHardwareSupport(CV_CPU_SSE2);
+ }
+
+ int operator() (const schar * src1, const schar * src2, schar * dst, int width, float scale) const
+ {
+ int x = 0;
+
+ if (!haveSSE)
+ return x;
+
+ __m128i v_zero = _mm_setzero_si128();
+
+ if( scale == 1.0f )
+ for ( ; x <= width - 8; x += 8)
+ {
+ __m128i v_src1 = _mm_loadl_epi64((__m128i const *)(src1 + x));
+ __m128i v_src2 = _mm_loadl_epi64((__m128i const *)(src2 + x));
+
+ v_src1 = _mm_srai_epi16(_mm_unpacklo_epi8(v_zero, v_src1), 8);
+ v_src2 = _mm_srai_epi16(_mm_unpacklo_epi8(v_zero, v_src2), 8);
+
+ __m128 v_dst1 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src1), 16)),
+ _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src2), 16)));
+
+ __m128 v_dst2 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src1), 16)),
+ _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src2), 16)));
+
+ __m128i v_dsti = _mm_packs_epi32(_mm_cvtps_epi32(v_dst1), _mm_cvtps_epi32(v_dst2));
+ _mm_storel_epi64((__m128i *)(dst + x), _mm_packs_epi16(v_dsti, v_zero));
+ }
+ else
+ {
+ __m128 v_scale = _mm_set1_ps(scale);
+ for ( ; x <= width - 8; x += 8)
+ {
+ __m128i v_src1 = _mm_loadl_epi64((__m128i const *)(src1 + x));
+ __m128i v_src2 = _mm_loadl_epi64((__m128i const *)(src2 + x));
+
+ v_src1 = _mm_srai_epi16(_mm_unpacklo_epi8(v_zero, v_src1), 8);
+ v_src2 = _mm_srai_epi16(_mm_unpacklo_epi8(v_zero, v_src2), 8);
+
+ __m128 v_dst1 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src1), 16)),
+ _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src2), 16)));
+ v_dst1 = _mm_mul_ps(v_dst1, v_scale);
+
+ __m128 v_dst2 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src1), 16)),
+ _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src2), 16)));
+ v_dst2 = _mm_mul_ps(v_dst2, v_scale);
+
+ __m128i v_dsti = _mm_packs_epi32(_mm_cvtps_epi32(v_dst1), _mm_cvtps_epi32(v_dst2));
+ _mm_storel_epi64((__m128i *)(dst + x), _mm_packs_epi16(v_dsti, v_zero));
+ }
+ }
+
+ return x;
+ }
+
+ bool haveSSE;
+};
+
+template <>
+struct Mul_SIMD<short, float>
+{
+ Mul_SIMD()
+ {
+ haveSSE = checkHardwareSupport(CV_CPU_SSE2);
+ }
+
+ int operator() (const short * src1, const short * src2, short * dst, int width, float scale) const
+ {
+ int x = 0;
+
+ if (!haveSSE)
+ return x;
+
+ __m128i v_zero = _mm_setzero_si128();
+
+ if( scale != 1.0f )
+ {
+ __m128 v_scale = _mm_set1_ps(scale);
+ for ( ; x <= width - 8; x += 8)
+ {
+ __m128i v_src1 = _mm_loadu_si128((__m128i const *)(src1 + x));
+ __m128i v_src2 = _mm_loadu_si128((__m128i const *)(src2 + x));
+
+ __m128 v_dst1 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src1), 16)),
+ _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(v_zero, v_src2), 16)));
+ v_dst1 = _mm_mul_ps(v_dst1, v_scale);
+
+ __m128 v_dst2 = _mm_mul_ps(_mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src1), 16)),
+ _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(v_zero, v_src2), 16)));
+ v_dst2 = _mm_mul_ps(v_dst2, v_scale);
+
+ __m128i v_dsti = _mm_packs_epi32(_mm_cvtps_epi32(v_dst1), _mm_cvtps_epi32(v_dst2));
+ _mm_storeu_si128((__m128i *)(dst + x), v_dsti);
+ }
+ }
+
+ return x;
+ }
+
+ bool haveSSE;
+};
+
#endif
template<typename T, typename WT> static void