// 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 #endif #include #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); }