diff options
Diffstat (limited to 'thirdparty/jpeg-compressor/jpgd_idct.h')
| -rw-r--r-- | thirdparty/jpeg-compressor/jpgd_idct.h | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/thirdparty/jpeg-compressor/jpgd_idct.h b/thirdparty/jpeg-compressor/jpgd_idct.h new file mode 100644 index 0000000000..876425a959 --- /dev/null +++ b/thirdparty/jpeg-compressor/jpgd_idct.h @@ -0,0 +1,462 @@ +// Copyright 2009 Intel Corporation +// All Rights Reserved +// +// Permission is granted to use, copy, distribute and prepare derivative works of this +// software for any purpose and without fee, provided, that the above copyright notice +// and this statement appear in all copies. Intel makes no representations about the +// suitability of this software for any purpose. THIS SOFTWARE IS PROVIDED "AS IS." +// INTEL SPECIFICALLY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, AND ALL LIABILITY, +// INCLUDING CONSEQUENTIAL AND OTHER INDIRECT DAMAGES, FOR THE USE OF THIS SOFTWARE, +// INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY RIGHTS, AND INCLUDING THE +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Intel does not +// assume any responsibility for any errors which may appear in this software nor any +// responsibility to update it. +// +// From: +// https://software.intel.com/sites/default/files/m/d/4/1/d/8/UsingIntelAVXToImplementIDCT-r1_5.pdf +// https://software.intel.com/file/29048 +// +// Requires SSE +// +#ifdef _MSC_VER +#include <intrin.h> +#endif +#include <immintrin.h> + +#ifdef _MSC_VER + #define JPGD_SIMD_ALIGN(type, name) __declspec(align(16)) type name +#else + #define JPGD_SIMD_ALIGN(type, name) type name __attribute__((aligned(16))) +#endif + +#define BITS_INV_ACC 4 +#define SHIFT_INV_ROW 16 - BITS_INV_ACC +#define SHIFT_INV_COL 1 + BITS_INV_ACC +const short IRND_INV_ROW = 1024 * (6 - BITS_INV_ACC); //1 << (SHIFT_INV_ROW-1) +const short IRND_INV_COL = 16 * (BITS_INV_ACC - 3); // 1 << (SHIFT_INV_COL-1) +const short IRND_INV_CORR = IRND_INV_COL - 1; // correction -1.0 and round + +JPGD_SIMD_ALIGN(short, shortM128_one_corr[8]) = {1, 1, 1, 1, 1, 1, 1, 1}; +JPGD_SIMD_ALIGN(short, shortM128_round_inv_row[8]) = {IRND_INV_ROW, 0, IRND_INV_ROW, 0, IRND_INV_ROW, 0, IRND_INV_ROW, 0}; +JPGD_SIMD_ALIGN(short, shortM128_round_inv_col[8]) = {IRND_INV_COL, IRND_INV_COL, IRND_INV_COL, IRND_INV_COL, IRND_INV_COL, IRND_INV_COL, IRND_INV_COL, IRND_INV_COL}; +JPGD_SIMD_ALIGN(short, shortM128_round_inv_corr[8])= {IRND_INV_CORR, IRND_INV_CORR, IRND_INV_CORR, IRND_INV_CORR, IRND_INV_CORR, IRND_INV_CORR, IRND_INV_CORR, IRND_INV_CORR}; +JPGD_SIMD_ALIGN(short, shortM128_tg_1_16[8]) = {13036, 13036, 13036, 13036, 13036, 13036, 13036, 13036}; // tg * (2<<16) + 0.5 +JPGD_SIMD_ALIGN(short, shortM128_tg_2_16[8]) = {27146, 27146, 27146, 27146, 27146, 27146, 27146, 27146}; // tg * (2<<16) + 0.5 +JPGD_SIMD_ALIGN(short, shortM128_tg_3_16[8]) = {-21746, -21746, -21746, -21746, -21746, -21746, -21746, -21746}; // tg * (2<<16) + 0.5 +JPGD_SIMD_ALIGN(short, shortM128_cos_4_16[8]) = {-19195, -19195, -19195, -19195, -19195, -19195, -19195, -19195};// cos * (2<<16) + 0.5 + +//----------------------------------------------------------------------------- +// Table for rows 0,4 - constants are multiplied on cos_4_16 +// w15 w14 w11 w10 w07 w06 w03 w02 +// w29 w28 w25 w24 w21 w20 w17 w16 +// w31 w30 w27 w26 w23 w22 w19 w18 +//movq -> w05 w04 w01 w00 +JPGD_SIMD_ALIGN(short, shortM128_tab_i_04[]) = { + 16384, 21407, 16384, 8867, + 16384, -8867, 16384, -21407, // w13 w12 w09 w08 + 16384, 8867, -16384, -21407, // w07 w06 w03 w02 + -16384, 21407, 16384, -8867, // w15 w14 w11 w10 + 22725, 19266, 19266, -4520, // w21 w20 w17 w16 + 12873, -22725, 4520, -12873, // w29 w28 w25 w24 + 12873, 4520, -22725, -12873, // w23 w22 w19 w18 + 4520, 19266, 19266, -22725}; // w31 w30 w27 w26 + + // Table for rows 1,7 - constants are multiplied on cos_1_16 +//movq -> w05 w04 w01 w00 +JPGD_SIMD_ALIGN(short, shortM128_tab_i_17[]) = { + 22725, 29692, 22725, 12299, + 22725, -12299, 22725, -29692, // w13 w12 w09 w08 + 22725, 12299, -22725, -29692, // w07 w06 w03 w02 + -22725, 29692, 22725, -12299, // w15 w14 w11 w10 + 31521, 26722, 26722, -6270, // w21 w20 w17 w16 + 17855, -31521, 6270, -17855, // w29 w28 w25 w24 + 17855, 6270, -31521, -17855, // w23 w22 w19 w18 + 6270, 26722, 26722, -31521}; // w31 w30 w27 w26 + +// Table for rows 2,6 - constants are multiplied on cos_2_16 +//movq -> w05 w04 w01 w00 +JPGD_SIMD_ALIGN(short, shortM128_tab_i_26[]) = { + 21407, 27969, 21407, 11585, + 21407, -11585, 21407, -27969, // w13 w12 w09 w08 + 21407, 11585, -21407, -27969, // w07 w06 w03 w02 + -21407, 27969, 21407, -11585, // w15 w14 w11 w10 + 29692, 25172, 25172, -5906, // w21 w20 w17 w16 + 16819, -29692, 5906, -16819, // w29 w28 w25 w24 + 16819, 5906, -29692, -16819, // w23 w22 w19 w18 + 5906, 25172, 25172, -29692}; // w31 w30 w27 w26 +// Table for rows 3,5 - constants are multiplied on cos_3_16 +//movq -> w05 w04 w01 w00 +JPGD_SIMD_ALIGN(short, shortM128_tab_i_35[]) = { + 19266, 25172, 19266, 10426, + 19266, -10426, 19266, -25172, // w13 w12 w09 w08 + 19266, 10426, -19266, -25172, // w07 w06 w03 w02 + -19266, 25172, 19266, -10426, // w15 w14 w11 w10 + 26722, 22654, 22654, -5315, // w21 w20 w17 w16 + 15137, -26722, 5315, -15137, // w29 w28 w25 w24 + 15137, 5315, -26722, -15137, // w23 w22 w19 w18 + 5315, 22654, 22654, -26722}; // w31 w30 w27 w26 + +JPGD_SIMD_ALIGN(short, shortM128_128[8]) = { 128, 128, 128, 128, 128, 128, 128, 128 }; + +void idctSSEShortU8(const short *pInput, uint8_t * pOutputUB) +{ + __m128i r_xmm0, r_xmm4; + __m128i r_xmm1, r_xmm2, r_xmm3, r_xmm5, r_xmm6, r_xmm7; + __m128i row0, row1, row2, row3, row4, row5, row6, row7; + short * pTab_i_04 = shortM128_tab_i_04; + short * pTab_i_26 = shortM128_tab_i_26; + + //Get pointers for this input and output + pTab_i_04 = shortM128_tab_i_04; + pTab_i_26 = shortM128_tab_i_26; + + //Row 1 and Row 3 + r_xmm0 = _mm_load_si128((__m128i *) pInput); + r_xmm4 = _mm_load_si128((__m128i *) (&pInput[2*8])); + + // *** Work on the data in xmm0 + //low shuffle mask = 0xd8 = 11 01 10 00 + //get short 2 and short 0 into ls 32-bits + r_xmm0 = _mm_shufflelo_epi16(r_xmm0, 0xd8); + + // copy short 2 and short 0 to all locations + r_xmm1 = _mm_shuffle_epi32(r_xmm0, 0); + + // add to those copies + r_xmm1 = _mm_madd_epi16(r_xmm1, *((__m128i *) pTab_i_04)); + + // shuffle mask = 0x55 = 01 01 01 01 + // copy short 3 and short 1 to all locations + r_xmm3 = _mm_shuffle_epi32(r_xmm0, 0x55); + + // high shuffle mask = 0xd8 = 11 01 10 00 + // get short 6 and short 4 into bit positions 64-95 + // get short 7 and short 5 into bit positions 96-127 + r_xmm0 = _mm_shufflehi_epi16(r_xmm0, 0xd8); + + // add to short 3 and short 1 + r_xmm3 = _mm_madd_epi16(r_xmm3, *((__m128i *) &pTab_i_04[16])); + + // shuffle mask = 0xaa = 10 10 10 10 + // copy short 6 and short 4 to all locations + r_xmm2 = _mm_shuffle_epi32(r_xmm0, 0xaa); + + // shuffle mask = 0xaa = 11 11 11 11 + // copy short 7 and short 5 to all locations + r_xmm0 = _mm_shuffle_epi32(r_xmm0, 0xff); + + // add to short 6 and short 4 + r_xmm2 = _mm_madd_epi16(r_xmm2, *((__m128i *) &pTab_i_04[8])); + + // *** Work on the data in xmm4 + // high shuffle mask = 0xd8 11 01 10 00 + // get short 6 and short 4 into bit positions 64-95 + // get short 7 and short 5 into bit positions 96-127 + r_xmm4 = _mm_shufflehi_epi16(r_xmm4, 0xd8); + + // (xmm0 short 2 and short 0 plus pSi) + some constants + r_xmm1 = _mm_add_epi32(r_xmm1, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_shufflelo_epi16(r_xmm4, 0xd8); + r_xmm0 = _mm_madd_epi16(r_xmm0, *((__m128i *) &pTab_i_04[24])); + r_xmm5 = _mm_shuffle_epi32(r_xmm4, 0); + r_xmm6 = _mm_shuffle_epi32(r_xmm4, 0xaa); + r_xmm5 = _mm_madd_epi16(r_xmm5, *((__m128i *) &shortM128_tab_i_26[0])); + r_xmm1 = _mm_add_epi32(r_xmm1, r_xmm2); + r_xmm2 = r_xmm1; + r_xmm7 = _mm_shuffle_epi32(r_xmm4, 0x55); + r_xmm6 = _mm_madd_epi16(r_xmm6, *((__m128i *) &shortM128_tab_i_26[8])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm3); + r_xmm4 = _mm_shuffle_epi32(r_xmm4, 0xff); + r_xmm2 = _mm_sub_epi32(r_xmm2, r_xmm0); + r_xmm7 = _mm_madd_epi16(r_xmm7, *((__m128i *) &shortM128_tab_i_26[16])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm1); + r_xmm2 = _mm_srai_epi32(r_xmm2, 12); + r_xmm5 = _mm_add_epi32(r_xmm5, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_madd_epi16(r_xmm4, *((__m128i *) &shortM128_tab_i_26[24])); + r_xmm5 = _mm_add_epi32(r_xmm5, r_xmm6); + r_xmm6 = r_xmm5; + r_xmm0 = _mm_srai_epi32(r_xmm0, 12); + r_xmm2 = _mm_shuffle_epi32(r_xmm2, 0x1b); + row0 = _mm_packs_epi32(r_xmm0, r_xmm2); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm7); + r_xmm6 = _mm_sub_epi32(r_xmm6, r_xmm4); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm5); + r_xmm6 = _mm_srai_epi32(r_xmm6, 12); + r_xmm4 = _mm_srai_epi32(r_xmm4, 12); + r_xmm6 = _mm_shuffle_epi32(r_xmm6, 0x1b); + row2 = _mm_packs_epi32(r_xmm4, r_xmm6); + + //Row 5 and row 7 + r_xmm0 = _mm_load_si128((__m128i *) (&pInput[4*8])); + r_xmm4 = _mm_load_si128((__m128i *) (&pInput[6*8])); + + r_xmm0 = _mm_shufflelo_epi16(r_xmm0, 0xd8); + r_xmm1 = _mm_shuffle_epi32(r_xmm0, 0); + r_xmm1 = _mm_madd_epi16(r_xmm1, *((__m128i *) pTab_i_04)); + r_xmm3 = _mm_shuffle_epi32(r_xmm0, 0x55); + r_xmm0 = _mm_shufflehi_epi16(r_xmm0, 0xd8); + r_xmm3 = _mm_madd_epi16(r_xmm3, *((__m128i *) &pTab_i_04[16])); + r_xmm2 = _mm_shuffle_epi32(r_xmm0, 0xaa); + r_xmm0 = _mm_shuffle_epi32(r_xmm0, 0xff); + r_xmm2 = _mm_madd_epi16(r_xmm2, *((__m128i *) &pTab_i_04[8])); + r_xmm4 = _mm_shufflehi_epi16(r_xmm4, 0xd8); + r_xmm1 = _mm_add_epi32(r_xmm1, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_shufflelo_epi16(r_xmm4, 0xd8); + r_xmm0 = _mm_madd_epi16(r_xmm0, *((__m128i *) &pTab_i_04[24])); + r_xmm5 = _mm_shuffle_epi32(r_xmm4, 0); + r_xmm6 = _mm_shuffle_epi32(r_xmm4, 0xaa); + r_xmm5 = _mm_madd_epi16(r_xmm5, *((__m128i *) &shortM128_tab_i_26[0])); + r_xmm1 = _mm_add_epi32(r_xmm1, r_xmm2); + r_xmm2 = r_xmm1; + r_xmm7 = _mm_shuffle_epi32(r_xmm4, 0x55); + r_xmm6 = _mm_madd_epi16(r_xmm6, *((__m128i *) &shortM128_tab_i_26[8])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm3); + r_xmm4 = _mm_shuffle_epi32(r_xmm4, 0xff); + r_xmm2 = _mm_sub_epi32(r_xmm2, r_xmm0); + r_xmm7 = _mm_madd_epi16(r_xmm7, *((__m128i *) &shortM128_tab_i_26[16])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm1); + r_xmm2 = _mm_srai_epi32(r_xmm2, 12); + r_xmm5 = _mm_add_epi32(r_xmm5, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_madd_epi16(r_xmm4, *((__m128i *) &shortM128_tab_i_26[24])); + r_xmm5 = _mm_add_epi32(r_xmm5, r_xmm6); + r_xmm6 = r_xmm5; + r_xmm0 = _mm_srai_epi32(r_xmm0, 12); + r_xmm2 = _mm_shuffle_epi32(r_xmm2, 0x1b); + row4 = _mm_packs_epi32(r_xmm0, r_xmm2); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm7); + r_xmm6 = _mm_sub_epi32(r_xmm6, r_xmm4); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm5); + r_xmm6 = _mm_srai_epi32(r_xmm6, 12); + r_xmm4 = _mm_srai_epi32(r_xmm4, 12); + r_xmm6 = _mm_shuffle_epi32(r_xmm6, 0x1b); + row6 = _mm_packs_epi32(r_xmm4, r_xmm6); + + //Row 4 and row 2 + pTab_i_04 = shortM128_tab_i_35; + pTab_i_26 = shortM128_tab_i_17; + r_xmm0 = _mm_load_si128((__m128i *) (&pInput[3*8])); + r_xmm4 = _mm_load_si128((__m128i *) (&pInput[1*8])); + + r_xmm0 = _mm_shufflelo_epi16(r_xmm0, 0xd8); + r_xmm1 = _mm_shuffle_epi32(r_xmm0, 0); + r_xmm1 = _mm_madd_epi16(r_xmm1, *((__m128i *) pTab_i_04)); + r_xmm3 = _mm_shuffle_epi32(r_xmm0, 0x55); + r_xmm0 = _mm_shufflehi_epi16(r_xmm0, 0xd8); + r_xmm3 = _mm_madd_epi16(r_xmm3, *((__m128i *) &pTab_i_04[16])); + r_xmm2 = _mm_shuffle_epi32(r_xmm0, 0xaa); + r_xmm0 = _mm_shuffle_epi32(r_xmm0, 0xff); + r_xmm2 = _mm_madd_epi16(r_xmm2, *((__m128i *) &pTab_i_04[8])); + r_xmm4 = _mm_shufflehi_epi16(r_xmm4, 0xd8); + r_xmm1 = _mm_add_epi32(r_xmm1, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_shufflelo_epi16(r_xmm4, 0xd8); + r_xmm0 = _mm_madd_epi16(r_xmm0, *((__m128i *) &pTab_i_04[24])); + r_xmm5 = _mm_shuffle_epi32(r_xmm4, 0); + r_xmm6 = _mm_shuffle_epi32(r_xmm4, 0xaa); + r_xmm5 = _mm_madd_epi16(r_xmm5, *((__m128i *) &pTab_i_26[0])); + r_xmm1 = _mm_add_epi32(r_xmm1, r_xmm2); + r_xmm2 = r_xmm1; + r_xmm7 = _mm_shuffle_epi32(r_xmm4, 0x55); + r_xmm6 = _mm_madd_epi16(r_xmm6, *((__m128i *) &pTab_i_26[8])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm3); + r_xmm4 = _mm_shuffle_epi32(r_xmm4, 0xff); + r_xmm2 = _mm_sub_epi32(r_xmm2, r_xmm0); + r_xmm7 = _mm_madd_epi16(r_xmm7, *((__m128i *) &pTab_i_26[16])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm1); + r_xmm2 = _mm_srai_epi32(r_xmm2, 12); + r_xmm5 = _mm_add_epi32(r_xmm5, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_madd_epi16(r_xmm4, *((__m128i *) &pTab_i_26[24])); + r_xmm5 = _mm_add_epi32(r_xmm5, r_xmm6); + r_xmm6 = r_xmm5; + r_xmm0 = _mm_srai_epi32(r_xmm0, 12); + r_xmm2 = _mm_shuffle_epi32(r_xmm2, 0x1b); + row3 = _mm_packs_epi32(r_xmm0, r_xmm2); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm7); + r_xmm6 = _mm_sub_epi32(r_xmm6, r_xmm4); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm5); + r_xmm6 = _mm_srai_epi32(r_xmm6, 12); + r_xmm4 = _mm_srai_epi32(r_xmm4, 12); + r_xmm6 = _mm_shuffle_epi32(r_xmm6, 0x1b); + row1 = _mm_packs_epi32(r_xmm4, r_xmm6); + + //Row 6 and row 8 + r_xmm0 = _mm_load_si128((__m128i *) (&pInput[5*8])); + r_xmm4 = _mm_load_si128((__m128i *) (&pInput[7*8])); + + r_xmm0 = _mm_shufflelo_epi16(r_xmm0, 0xd8); + r_xmm1 = _mm_shuffle_epi32(r_xmm0, 0); + r_xmm1 = _mm_madd_epi16(r_xmm1, *((__m128i *) pTab_i_04)); + r_xmm3 = _mm_shuffle_epi32(r_xmm0, 0x55); + r_xmm0 = _mm_shufflehi_epi16(r_xmm0, 0xd8); + r_xmm3 = _mm_madd_epi16(r_xmm3, *((__m128i *) &pTab_i_04[16])); + r_xmm2 = _mm_shuffle_epi32(r_xmm0, 0xaa); + r_xmm0 = _mm_shuffle_epi32(r_xmm0, 0xff); + r_xmm2 = _mm_madd_epi16(r_xmm2, *((__m128i *) &pTab_i_04[8])); + r_xmm4 = _mm_shufflehi_epi16(r_xmm4, 0xd8); + r_xmm1 = _mm_add_epi32(r_xmm1, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_shufflelo_epi16(r_xmm4, 0xd8); + r_xmm0 = _mm_madd_epi16(r_xmm0, *((__m128i *) &pTab_i_04[24])); + r_xmm5 = _mm_shuffle_epi32(r_xmm4, 0); + r_xmm6 = _mm_shuffle_epi32(r_xmm4, 0xaa); + r_xmm5 = _mm_madd_epi16(r_xmm5, *((__m128i *) &pTab_i_26[0])); + r_xmm1 = _mm_add_epi32(r_xmm1, r_xmm2); + r_xmm2 = r_xmm1; + r_xmm7 = _mm_shuffle_epi32(r_xmm4, 0x55); + r_xmm6 = _mm_madd_epi16(r_xmm6, *((__m128i *) &pTab_i_26[8])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm3); + r_xmm4 = _mm_shuffle_epi32(r_xmm4, 0xff); + r_xmm2 = _mm_sub_epi32(r_xmm2, r_xmm0); + r_xmm7 = _mm_madd_epi16(r_xmm7, *((__m128i *) &pTab_i_26[16])); + r_xmm0 = _mm_add_epi32(r_xmm0, r_xmm1); + r_xmm2 = _mm_srai_epi32(r_xmm2, 12); + r_xmm5 = _mm_add_epi32(r_xmm5, *((__m128i *) shortM128_round_inv_row)); + r_xmm4 = _mm_madd_epi16(r_xmm4, *((__m128i *) &pTab_i_26[24])); + r_xmm5 = _mm_add_epi32(r_xmm5, r_xmm6); + r_xmm6 = r_xmm5; + r_xmm0 = _mm_srai_epi32(r_xmm0, 12); + r_xmm2 = _mm_shuffle_epi32(r_xmm2, 0x1b); + row5 = _mm_packs_epi32(r_xmm0, r_xmm2); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm7); + r_xmm6 = _mm_sub_epi32(r_xmm6, r_xmm4); + r_xmm4 = _mm_add_epi32(r_xmm4, r_xmm5); + r_xmm6 = _mm_srai_epi32(r_xmm6, 12); + r_xmm4 = _mm_srai_epi32(r_xmm4, 12); + r_xmm6 = _mm_shuffle_epi32(r_xmm6, 0x1b); + row7 = _mm_packs_epi32(r_xmm4, r_xmm6); + + r_xmm1 = _mm_load_si128((__m128i *) shortM128_tg_3_16); + r_xmm2 = row5; + r_xmm3 = row3; + r_xmm0 = _mm_mulhi_epi16(row5, r_xmm1); + + r_xmm1 = _mm_mulhi_epi16(r_xmm1, r_xmm3); + r_xmm5 = _mm_load_si128((__m128i *) shortM128_tg_1_16); + r_xmm6 = row7; + r_xmm4 = _mm_mulhi_epi16(row7, r_xmm5); + + r_xmm0 = _mm_adds_epi16(r_xmm0, r_xmm2); + r_xmm5 = _mm_mulhi_epi16(r_xmm5, row1); + r_xmm1 = _mm_adds_epi16(r_xmm1, r_xmm3); + r_xmm7 = row6; + + r_xmm0 = _mm_adds_epi16(r_xmm0, r_xmm3); + r_xmm3 = _mm_load_si128((__m128i *) shortM128_tg_2_16); + r_xmm2 = _mm_subs_epi16(r_xmm2, r_xmm1); + r_xmm7 = _mm_mulhi_epi16(r_xmm7, r_xmm3); + r_xmm1 = r_xmm0; + r_xmm3 = _mm_mulhi_epi16(r_xmm3, row2); + r_xmm5 = _mm_subs_epi16(r_xmm5, r_xmm6); + r_xmm4 = _mm_adds_epi16(r_xmm4, row1); + r_xmm0 = _mm_adds_epi16(r_xmm0, r_xmm4); + r_xmm0 = _mm_adds_epi16(r_xmm0, *((__m128i *) shortM128_one_corr)); + r_xmm4 = _mm_subs_epi16(r_xmm4, r_xmm1); + r_xmm6 = r_xmm5; + r_xmm5 = _mm_subs_epi16(r_xmm5, r_xmm2); + r_xmm5 = _mm_adds_epi16(r_xmm5, *((__m128i *) shortM128_one_corr)); + r_xmm6 = _mm_adds_epi16(r_xmm6, r_xmm2); + + //Intermediate results, needed later + __m128i temp3, temp7; + temp7 = r_xmm0; + + r_xmm1 = r_xmm4; + r_xmm0 = _mm_load_si128((__m128i *) shortM128_cos_4_16); + r_xmm4 = _mm_adds_epi16(r_xmm4, r_xmm5); + r_xmm2 = _mm_load_si128((__m128i *) shortM128_cos_4_16); + r_xmm2 = _mm_mulhi_epi16(r_xmm2, r_xmm4); + + //Intermediate results, needed later + temp3 = r_xmm6; + + r_xmm1 = _mm_subs_epi16(r_xmm1, r_xmm5); + r_xmm7 = _mm_adds_epi16(r_xmm7, row2); + r_xmm3 = _mm_subs_epi16(r_xmm3, row6); + r_xmm6 = row0; + r_xmm0 = _mm_mulhi_epi16(r_xmm0, r_xmm1); + r_xmm5 = row4; + r_xmm5 = _mm_adds_epi16(r_xmm5, r_xmm6); + r_xmm6 = _mm_subs_epi16(r_xmm6, row4); + r_xmm4 = _mm_adds_epi16(r_xmm4, r_xmm2); + + r_xmm4 = _mm_or_si128(r_xmm4, *((__m128i *) shortM128_one_corr)); + r_xmm0 = _mm_adds_epi16(r_xmm0, r_xmm1); + r_xmm0 = _mm_or_si128(r_xmm0, *((__m128i *) shortM128_one_corr)); + + r_xmm2 = r_xmm5; + r_xmm5 = _mm_adds_epi16(r_xmm5, r_xmm7); + r_xmm1 = r_xmm6; + r_xmm5 = _mm_adds_epi16(r_xmm5, *((__m128i *) shortM128_round_inv_col)); + r_xmm2 = _mm_subs_epi16(r_xmm2, r_xmm7); + r_xmm7 = temp7; + r_xmm6 = _mm_adds_epi16(r_xmm6, r_xmm3); + r_xmm6 = _mm_adds_epi16(r_xmm6, *((__m128i *) shortM128_round_inv_col)); + r_xmm7 = _mm_adds_epi16(r_xmm7, r_xmm5); + r_xmm7 = _mm_srai_epi16(r_xmm7, SHIFT_INV_COL); + r_xmm1 = _mm_subs_epi16(r_xmm1, r_xmm3); + r_xmm1 = _mm_adds_epi16(r_xmm1, *((__m128i *) shortM128_round_inv_corr)); + r_xmm3 = r_xmm6; + r_xmm2 = _mm_adds_epi16(r_xmm2, *((__m128i *) shortM128_round_inv_corr)); + r_xmm6 = _mm_adds_epi16(r_xmm6, r_xmm4); + + //Store results for row 0 + //_mm_store_si128((__m128i *) pOutput, r_xmm7); + __m128i r0 = r_xmm7; + + r_xmm6 = _mm_srai_epi16(r_xmm6, SHIFT_INV_COL); + r_xmm7 = r_xmm1; + r_xmm1 = _mm_adds_epi16(r_xmm1, r_xmm0); + + //Store results for row 1 + //_mm_store_si128((__m128i *) (&pOutput[1*8]), r_xmm6); + __m128i r1 = r_xmm6; + + r_xmm1 = _mm_srai_epi16(r_xmm1, SHIFT_INV_COL); + r_xmm6 = temp3; + r_xmm7 = _mm_subs_epi16(r_xmm7, r_xmm0); + r_xmm7 = _mm_srai_epi16(r_xmm7, SHIFT_INV_COL); + + //Store results for row 2 + //_mm_store_si128((__m128i *) (&pOutput[2*8]), r_xmm1); + __m128i r2 = r_xmm1; + + r_xmm5 = _mm_subs_epi16(r_xmm5, temp7); + r_xmm5 = _mm_srai_epi16(r_xmm5, SHIFT_INV_COL); + + //Store results for row 7 + //_mm_store_si128((__m128i *) (&pOutput[7*8]), r_xmm5); + __m128i r7 = r_xmm5; + + r_xmm3 = _mm_subs_epi16(r_xmm3, r_xmm4); + r_xmm6 = _mm_adds_epi16(r_xmm6, r_xmm2); + r_xmm2 = _mm_subs_epi16(r_xmm2, temp3); + r_xmm6 = _mm_srai_epi16(r_xmm6, SHIFT_INV_COL); + r_xmm2 = _mm_srai_epi16(r_xmm2, SHIFT_INV_COL); + + //Store results for row 3 + //_mm_store_si128((__m128i *) (&pOutput[3*8]), r_xmm6); + __m128i r3 = r_xmm6; + + r_xmm3 = _mm_srai_epi16(r_xmm3, SHIFT_INV_COL); + + //Store results for rows 4, 5, and 6 + //_mm_store_si128((__m128i *) (&pOutput[4*8]), r_xmm2); + //_mm_store_si128((__m128i *) (&pOutput[5*8]), r_xmm7); + //_mm_store_si128((__m128i *) (&pOutput[6*8]), r_xmm3); + + __m128i r4 = r_xmm2; + __m128i r5 = r_xmm7; + __m128i r6 = r_xmm3; + + r0 = _mm_add_epi16(*(const __m128i *)shortM128_128, r0); + r1 = _mm_add_epi16(*(const __m128i *)shortM128_128, r1); + r2 = _mm_add_epi16(*(const __m128i *)shortM128_128, r2); + r3 = _mm_add_epi16(*(const __m128i *)shortM128_128, r3); + r4 = _mm_add_epi16(*(const __m128i *)shortM128_128, r4); + r5 = _mm_add_epi16(*(const __m128i *)shortM128_128, r5); + r6 = _mm_add_epi16(*(const __m128i *)shortM128_128, r6); + r7 = _mm_add_epi16(*(const __m128i *)shortM128_128, r7); + + ((__m128i *)pOutputUB)[0] = _mm_packus_epi16(r0, r1); + ((__m128i *)pOutputUB)[1] = _mm_packus_epi16(r2, r3); + ((__m128i *)pOutputUB)[2] = _mm_packus_epi16(r4, r5); + ((__m128i *)pOutputUB)[3] = _mm_packus_epi16(r6, r7); +} |