diff options
Diffstat (limited to 'libvpx/vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c')
| -rw-r--r-- | libvpx/vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/libvpx/vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c b/libvpx/vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c index cf28d8d2b..c4efa6565 100644 --- a/libvpx/vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c +++ b/libvpx/vp9/common/x86/vp9_subpixel_8t_intrin_ssse3.c @@ -44,7 +44,7 @@ void vp9_filter_block1d4_h8_intrin_ssse3(unsigned char *src_ptr, unsigned int output_pitch, unsigned int output_height, int16_t *filter) { - __m128i firstFilters, secondFilters, thirdFilters, forthFilters; + __m128i firstFilters, secondFilters, shuffle1, shuffle2; __m128i srcRegFilt1, srcRegFilt2, srcRegFilt3, srcRegFilt4; __m128i addFilterReg64, filtersReg, srcReg, minReg; unsigned int i; @@ -61,20 +61,22 @@ void vp9_filter_block1d4_h8_intrin_ssse3(unsigned char *src_ptr, // duplicate only the third 16 bit in the filter into the first lane secondFilters = _mm_shufflelo_epi16(filtersReg, 0xAAu); // duplicate only the seconds 16 bits in the filter into the second lane + // firstFilters: k0 k1 k0 k1 k0 k1 k0 k1 k2 k3 k2 k3 k2 k3 k2 k3 firstFilters = _mm_shufflehi_epi16(firstFilters, 0x55u); // duplicate only the forth 16 bits in the filter into the second lane + // secondFilters: k4 k5 k4 k5 k4 k5 k4 k5 k6 k7 k6 k7 k6 k7 k6 k7 secondFilters = _mm_shufflehi_epi16(secondFilters, 0xFFu); // loading the local filters - thirdFilters =_mm_load_si128((__m128i const *)filt1_4_h8); - forthFilters = _mm_load_si128((__m128i const *)filt2_4_h8); + shuffle1 =_mm_load_si128((__m128i const *)filt1_4_h8); + shuffle2 = _mm_load_si128((__m128i const *)filt2_4_h8); for (i = 0; i < output_height; i++) { srcReg = _mm_loadu_si128((__m128i *)(src_ptr-3)); // filter the source buffer - srcRegFilt1= _mm_shuffle_epi8(srcReg, thirdFilters); - srcRegFilt2= _mm_shuffle_epi8(srcReg, forthFilters); + srcRegFilt1= _mm_shuffle_epi8(srcReg, shuffle1); + srcRegFilt2= _mm_shuffle_epi8(srcReg, shuffle2); // multiply 2 adjacent elements with the filter and add the result srcRegFilt1 = _mm_maddubs_epi16(srcRegFilt1, firstFilters); @@ -164,12 +166,12 @@ void vp9_filter_block1d8_h8_intrin_ssse3(unsigned char *src_ptr, srcRegFilt4 = _mm_maddubs_epi16(srcRegFilt4, forthFilters); // add and saturate all the results together - minReg = _mm_min_epi16(srcRegFilt4, srcRegFilt3); - srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, srcRegFilt2); + minReg = _mm_min_epi16(srcRegFilt2, srcRegFilt3); + srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, srcRegFilt4); - srcRegFilt4= _mm_max_epi16(srcRegFilt4, srcRegFilt3); + srcRegFilt2= _mm_max_epi16(srcRegFilt2, srcRegFilt3); srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, minReg); - srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, srcRegFilt4); + srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, srcRegFilt2); srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, addFilterReg64); // shift by 7 bit each 16 bits @@ -229,21 +231,21 @@ void vp9_filter_block1d16_h8_intrin_ssse3(unsigned char *src_ptr, // filter the source buffer srcRegFilt1_1= _mm_shuffle_epi8(srcReg1, filt1Reg); - srcRegFilt2= _mm_shuffle_epi8(srcReg1, filt2Reg); + srcRegFilt2= _mm_shuffle_epi8(srcReg1, filt4Reg); // multiply 2 adjacent elements with the filter and add the result srcRegFilt1_1 = _mm_maddubs_epi16(srcRegFilt1_1, firstFilters); - srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2, secondFilters); + srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2, forthFilters); // add and saturate the results together srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1, srcRegFilt2); // filter the source buffer - srcRegFilt3= _mm_shuffle_epi8(srcReg1, filt4Reg); + srcRegFilt3= _mm_shuffle_epi8(srcReg1, filt2Reg); srcRegFilt2= _mm_shuffle_epi8(srcReg1, filt3Reg); // multiply 2 adjacent elements with the filter and add the result - srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3, forthFilters); + srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3, secondFilters); srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2, thirdFilters); // add and saturate the results together @@ -260,21 +262,21 @@ void vp9_filter_block1d16_h8_intrin_ssse3(unsigned char *src_ptr, // filter the source buffer srcRegFilt2_1= _mm_shuffle_epi8(srcReg2, filt1Reg); - srcRegFilt2= _mm_shuffle_epi8(srcReg2, filt2Reg); + srcRegFilt2= _mm_shuffle_epi8(srcReg2, filt4Reg); // multiply 2 adjacent elements with the filter and add the result srcRegFilt2_1 = _mm_maddubs_epi16(srcRegFilt2_1, firstFilters); - srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2, secondFilters); + srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2, forthFilters); // add and saturate the results together srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1, srcRegFilt2); // filter the source buffer - srcRegFilt3= _mm_shuffle_epi8(srcReg2, filt4Reg); + srcRegFilt3= _mm_shuffle_epi8(srcReg2, filt2Reg); srcRegFilt2= _mm_shuffle_epi8(srcReg2, filt3Reg); // multiply 2 adjacent elements with the filter and add the result - srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3, forthFilters); + srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3, secondFilters); srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2, thirdFilters); // add and saturate the results together |