/* * Copyright (c) 2015 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/x86/inv_txfm_sse2.h" #include "vpx_dsp/x86/txfm_common_sse2.h" #define RECON_AND_STORE4X4(dest, in_x) \ { \ __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); \ d0 = _mm_unpacklo_epi8(d0, zero); \ d0 = _mm_add_epi16(in_x, d0); \ d0 = _mm_packus_epi16(d0, d0); \ *(int *)(dest) = _mm_cvtsi128_si32(d0); \ } void vpx_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i zero = _mm_setzero_si128(); const __m128i eight = _mm_set1_epi16(8); const __m128i cst = _mm_setr_epi16( (int16_t)cospi_16_64, (int16_t)cospi_16_64, (int16_t)cospi_16_64, (int16_t)-cospi_16_64, (int16_t)cospi_24_64, (int16_t)-cospi_8_64, (int16_t)cospi_8_64, (int16_t)cospi_24_64); const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i input0, input1, input2, input3; // Rows input0 = load_input_data(input); input2 = load_input_data(input + 8); // Construct i3, i1, i3, i1, i2, i0, i2, i0 input0 = _mm_shufflelo_epi16(input0, 0xd8); input0 = _mm_shufflehi_epi16(input0, 0xd8); input2 = _mm_shufflelo_epi16(input2, 0xd8); input2 = _mm_shufflehi_epi16(input2, 0xd8); input1 = _mm_unpackhi_epi32(input0, input0); input0 = _mm_unpacklo_epi32(input0, input0); input3 = _mm_unpackhi_epi32(input2, input2); input2 = _mm_unpacklo_epi32(input2, input2); // Stage 1 input0 = _mm_madd_epi16(input0, cst); input1 = _mm_madd_epi16(input1, cst); input2 = _mm_madd_epi16(input2, cst); input3 = _mm_madd_epi16(input3, cst); input0 = _mm_add_epi32(input0, rounding); input1 = _mm_add_epi32(input1, rounding); input2 = _mm_add_epi32(input2, rounding); input3 = _mm_add_epi32(input3, rounding); input0 = _mm_srai_epi32(input0, DCT_CONST_BITS); input1 = _mm_srai_epi32(input1, DCT_CONST_BITS); input2 = _mm_srai_epi32(input2, DCT_CONST_BITS); input3 = _mm_srai_epi32(input3, DCT_CONST_BITS); // Stage 2 input0 = _mm_packs_epi32(input0, input1); input1 = _mm_packs_epi32(input2, input3); // Transpose input2 = _mm_unpacklo_epi16(input0, input1); input3 = _mm_unpackhi_epi16(input0, input1); input0 = _mm_unpacklo_epi32(input2, input3); input1 = _mm_unpackhi_epi32(input2, input3); // Switch column2, column 3, and then, we got: // input2: column1, column 0; input3: column2, column 3. input1 = _mm_shuffle_epi32(input1, 0x4e); input2 = _mm_add_epi16(input0, input1); input3 = _mm_sub_epi16(input0, input1); // Columns // Construct i3, i1, i3, i1, i2, i0, i2, i0 input0 = _mm_unpacklo_epi32(input2, input2); input1 = _mm_unpackhi_epi32(input2, input2); input2 = _mm_unpackhi_epi32(input3, input3); input3 = _mm_unpacklo_epi32(input3, input3); // Stage 1 input0 = _mm_madd_epi16(input0, cst); input1 = _mm_madd_epi16(input1, cst); input2 = _mm_madd_epi16(input2, cst); input3 = _mm_madd_epi16(input3, cst); input0 = _mm_add_epi32(input0, rounding); input1 = _mm_add_epi32(input1, rounding); input2 = _mm_add_epi32(input2, rounding); input3 = _mm_add_epi32(input3, rounding); input0 = _mm_srai_epi32(input0, DCT_CONST_BITS); input1 = _mm_srai_epi32(input1, DCT_CONST_BITS); input2 = _mm_srai_epi32(input2, DCT_CONST_BITS); input3 = _mm_srai_epi32(input3, DCT_CONST_BITS); // Stage 2 input0 = _mm_packs_epi32(input0, input2); input1 = _mm_packs_epi32(input1, input3); // Transpose input2 = _mm_unpacklo_epi16(input0, input1); input3 = _mm_unpackhi_epi16(input0, input1); input0 = _mm_unpacklo_epi32(input2, input3); input1 = _mm_unpackhi_epi32(input2, input3); // Switch column2, column 3, and then, we got: // input2: column1, column 0; input3: column2, column 3. input1 = _mm_shuffle_epi32(input1, 0x4e); input2 = _mm_add_epi16(input0, input1); input3 = _mm_sub_epi16(input0, input1); // Final round and shift input2 = _mm_add_epi16(input2, eight); input3 = _mm_add_epi16(input3, eight); input2 = _mm_srai_epi16(input2, 4); input3 = _mm_srai_epi16(input3, 4); // Reconstruction and Store { __m128i d0 = _mm_cvtsi32_si128(*(const int *)(dest)); __m128i d2 = _mm_cvtsi32_si128(*(const int *)(dest + stride * 2)); d0 = _mm_unpacklo_epi32(d0, _mm_cvtsi32_si128(*(const int *)(dest + stride))); d2 = _mm_unpacklo_epi32( _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)), d2); d0 = _mm_unpacklo_epi8(d0, zero); d2 = _mm_unpacklo_epi8(d2, zero); d0 = _mm_add_epi16(d0, input2); d2 = _mm_add_epi16(d2, input3); d0 = _mm_packus_epi16(d0, d2); // store input0 *(int *)dest = _mm_cvtsi128_si32(d0); // store input1 d0 = _mm_srli_si128(d0, 4); *(int *)(dest + stride) = _mm_cvtsi128_si32(d0); // store input2 d0 = _mm_srli_si128(d0, 4); *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d0); // store input3 d0 = _mm_srli_si128(d0, 4); *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d0); } } void vpx_idct4x4_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; const __m128i zero = _mm_setzero_si128(); int a; a = (int)dct_const_round_shift(input[0] * cospi_16_64); a = (int)dct_const_round_shift(a * cospi_16_64); a = ROUND_POWER_OF_TWO(a, 4); dc_value = _mm_set1_epi16(a); RECON_AND_STORE4X4(dest + 0 * stride, dc_value); RECON_AND_STORE4X4(dest + 1 * stride, dc_value); RECON_AND_STORE4X4(dest + 2 * stride, dc_value); RECON_AND_STORE4X4(dest + 3 * stride, dc_value); } static INLINE void transpose_4x4(__m128i *res) { const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]); const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]); res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1); res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1); } void idct4_sse2(__m128i *in) { const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u[8], v[8]; transpose_4x4(in); // stage 1 u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpackhi_epi16(in[0], in[1]); v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16); v[1] = _mm_madd_epi16(u[0], k__cospi_p16_m16); v[2] = _mm_madd_epi16(u[1], k__cospi_p24_m08); v[3] = _mm_madd_epi16(u[1], k__cospi_p08_p24); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); u[0] = _mm_packs_epi32(v[0], v[1]); u[1] = _mm_packs_epi32(v[3], v[2]); // stage 2 in[0] = _mm_add_epi16(u[0], u[1]); in[1] = _mm_sub_epi16(u[0], u[1]); in[1] = _mm_shuffle_epi32(in[1], 0x4E); } void iadst4_sse2(__m128i *in) { const __m128i k__sinpi_p01_p04 = pair_set_epi16(sinpi_1_9, sinpi_4_9); const __m128i k__sinpi_p03_p02 = pair_set_epi16(sinpi_3_9, sinpi_2_9); const __m128i k__sinpi_p02_m01 = pair_set_epi16(sinpi_2_9, -sinpi_1_9); const __m128i k__sinpi_p03_m04 = pair_set_epi16(sinpi_3_9, -sinpi_4_9); const __m128i k__sinpi_p03_p03 = _mm_set1_epi16((int16_t)sinpi_3_9); const __m128i kZero = _mm_set1_epi16(0); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u[8], v[8], in7; transpose_4x4(in); in7 = _mm_srli_si128(in[1], 8); in7 = _mm_add_epi16(in7, in[0]); in7 = _mm_sub_epi16(in7, in[1]); u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpackhi_epi16(in[0], in[1]); u[2] = _mm_unpacklo_epi16(in7, kZero); u[3] = _mm_unpackhi_epi16(in[0], kZero); v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p04); // s0 + s3 v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p02); // s2 + s5 v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x2 v[3] = _mm_madd_epi16(u[0], k__sinpi_p02_m01); // s1 - s4 v[4] = _mm_madd_epi16(u[1], k__sinpi_p03_m04); // s2 - s6 v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s2 u[0] = _mm_add_epi32(v[0], v[1]); u[1] = _mm_add_epi32(v[3], v[4]); u[2] = v[2]; u[3] = _mm_add_epi32(u[0], u[1]); u[4] = _mm_slli_epi32(v[5], 2); u[5] = _mm_add_epi32(u[3], v[5]); u[6] = _mm_sub_epi32(u[5], u[4]); v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); v[3] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS); in[0] = _mm_packs_epi32(u[0], u[1]); in[1] = _mm_packs_epi32(u[2], u[3]); } #define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, \ out0, out1, out2, out3, out4, out5, out6, out7) \ { \ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \ const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \ const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \ const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \ const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \ const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \ const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \ \ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \ const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \ const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \ const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \ const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \ \ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \ out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \ out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \ out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \ out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \ } #define TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, \ out0, out1, out2, out3) \ { \ const __m128i tr0_0 = _mm_unpackhi_epi16(tmp0, tmp1); \ const __m128i tr0_1 = _mm_unpacklo_epi16(tmp1, tmp0); \ const __m128i tr0_4 = _mm_unpacklo_epi16(tmp2, tmp3); \ const __m128i tr0_5 = _mm_unpackhi_epi16(tmp3, tmp2); \ \ const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \ const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \ const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \ const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \ \ out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \ out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \ out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \ out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \ } #define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \ { \ const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \ const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \ out0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \ out1 = _mm_unpackhi_epi32(tr0_0, tr0_1); \ } // Define Macro for multiplying elements by constants and adding them together. #define MULTIPLICATION_AND_ADD(lo_0, hi_0, lo_1, hi_1, \ cst0, cst1, cst2, cst3, res0, res1, res2, res3) \ { \ tmp0 = _mm_madd_epi16(lo_0, cst0); \ tmp1 = _mm_madd_epi16(hi_0, cst0); \ tmp2 = _mm_madd_epi16(lo_0, cst1); \ tmp3 = _mm_madd_epi16(hi_0, cst1); \ tmp4 = _mm_madd_epi16(lo_1, cst2); \ tmp5 = _mm_madd_epi16(hi_1, cst2); \ tmp6 = _mm_madd_epi16(lo_1, cst3); \ tmp7 = _mm_madd_epi16(hi_1, cst3); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ tmp4 = _mm_add_epi32(tmp4, rounding); \ tmp5 = _mm_add_epi32(tmp5, rounding); \ tmp6 = _mm_add_epi32(tmp6, rounding); \ tmp7 = _mm_add_epi32(tmp7, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); \ tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); \ tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); \ tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); \ \ res0 = _mm_packs_epi32(tmp0, tmp1); \ res1 = _mm_packs_epi32(tmp2, tmp3); \ res2 = _mm_packs_epi32(tmp4, tmp5); \ res3 = _mm_packs_epi32(tmp6, tmp7); \ } #define MULTIPLICATION_AND_ADD_2(lo_0, hi_0, cst0, cst1, res0, res1) \ { \ tmp0 = _mm_madd_epi16(lo_0, cst0); \ tmp1 = _mm_madd_epi16(hi_0, cst0); \ tmp2 = _mm_madd_epi16(lo_0, cst1); \ tmp3 = _mm_madd_epi16(hi_0, cst1); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ \ res0 = _mm_packs_epi32(tmp0, tmp1); \ res1 = _mm_packs_epi32(tmp2, tmp3); \ } #define IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, \ out0, out1, out2, out3, out4, out5, out6, out7) \ { \ /* Stage1 */ \ { \ const __m128i lo_17 = _mm_unpacklo_epi16(in1, in7); \ const __m128i hi_17 = _mm_unpackhi_epi16(in1, in7); \ const __m128i lo_35 = _mm_unpacklo_epi16(in3, in5); \ const __m128i hi_35 = _mm_unpackhi_epi16(in3, in5); \ \ MULTIPLICATION_AND_ADD(lo_17, hi_17, lo_35, hi_35, stg1_0, \ stg1_1, stg1_2, stg1_3, stp1_4, \ stp1_7, stp1_5, stp1_6) \ } \ \ /* Stage2 */ \ { \ const __m128i lo_04 = _mm_unpacklo_epi16(in0, in4); \ const __m128i hi_04 = _mm_unpackhi_epi16(in0, in4); \ const __m128i lo_26 = _mm_unpacklo_epi16(in2, in6); \ const __m128i hi_26 = _mm_unpackhi_epi16(in2, in6); \ \ MULTIPLICATION_AND_ADD(lo_04, hi_04, lo_26, hi_26, stg2_0, \ stg2_1, stg2_2, stg2_3, stp2_0, \ stp2_1, stp2_2, stp2_3) \ \ stp2_4 = _mm_adds_epi16(stp1_4, stp1_5); \ stp2_5 = _mm_subs_epi16(stp1_4, stp1_5); \ stp2_6 = _mm_subs_epi16(stp1_7, stp1_6); \ stp2_7 = _mm_adds_epi16(stp1_7, stp1_6); \ } \ \ /* Stage3 */ \ { \ const __m128i lo_56 = _mm_unpacklo_epi16(stp2_6, stp2_5); \ const __m128i hi_56 = _mm_unpackhi_epi16(stp2_6, stp2_5); \ \ stp1_0 = _mm_adds_epi16(stp2_0, stp2_3); \ stp1_1 = _mm_adds_epi16(stp2_1, stp2_2); \ stp1_2 = _mm_subs_epi16(stp2_1, stp2_2); \ stp1_3 = _mm_subs_epi16(stp2_0, stp2_3); \ \ tmp0 = _mm_madd_epi16(lo_56, stg2_1); \ tmp1 = _mm_madd_epi16(hi_56, stg2_1); \ tmp2 = _mm_madd_epi16(lo_56, stg2_0); \ tmp3 = _mm_madd_epi16(hi_56, stg2_0); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ \ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \ } \ \ /* Stage4 */ \ out0 = _mm_adds_epi16(stp1_0, stp2_7); \ out1 = _mm_adds_epi16(stp1_1, stp1_6); \ out2 = _mm_adds_epi16(stp1_2, stp1_5); \ out3 = _mm_adds_epi16(stp1_3, stp2_4); \ out4 = _mm_subs_epi16(stp1_3, stp2_4); \ out5 = _mm_subs_epi16(stp1_2, stp1_5); \ out6 = _mm_subs_epi16(stp1_1, stp1_6); \ out7 = _mm_subs_epi16(stp1_0, stp2_7); \ } void vpx_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i zero = _mm_setzero_si128(); const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i final_rounding = _mm_set1_epi16(1 << 4); const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64); __m128i in0, in1, in2, in3, in4, in5, in6, in7; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; int i; // Load input data. in0 = load_input_data(input); in1 = load_input_data(input + 8 * 1); in2 = load_input_data(input + 8 * 2); in3 = load_input_data(input + 8 * 3); in4 = load_input_data(input + 8 * 4); in5 = load_input_data(input + 8 * 5); in6 = load_input_data(input + 8 * 6); in7 = load_input_data(input + 8 * 7); // 2-D for (i = 0; i < 2; i++) { // 8x8 Transpose is copied from vpx_fdct8x8_sse2() TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, in5, in6, in7); // 4-stage 1D idct8x8 IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4, in5, in6, in7); } // Final rounding and shift in0 = _mm_adds_epi16(in0, final_rounding); in1 = _mm_adds_epi16(in1, final_rounding); in2 = _mm_adds_epi16(in2, final_rounding); in3 = _mm_adds_epi16(in3, final_rounding); in4 = _mm_adds_epi16(in4, final_rounding); in5 = _mm_adds_epi16(in5, final_rounding); in6 = _mm_adds_epi16(in6, final_rounding); in7 = _mm_adds_epi16(in7, final_rounding); in0 = _mm_srai_epi16(in0, 5); in1 = _mm_srai_epi16(in1, 5); in2 = _mm_srai_epi16(in2, 5); in3 = _mm_srai_epi16(in3, 5); in4 = _mm_srai_epi16(in4, 5); in5 = _mm_srai_epi16(in5, 5); in6 = _mm_srai_epi16(in6, 5); in7 = _mm_srai_epi16(in7, 5); RECON_AND_STORE(dest + 0 * stride, in0); RECON_AND_STORE(dest + 1 * stride, in1); RECON_AND_STORE(dest + 2 * stride, in2); RECON_AND_STORE(dest + 3 * stride, in3); RECON_AND_STORE(dest + 4 * stride, in4); RECON_AND_STORE(dest + 5 * stride, in5); RECON_AND_STORE(dest + 6 * stride, in6); RECON_AND_STORE(dest + 7 * stride, in7); } void vpx_idct8x8_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; const __m128i zero = _mm_setzero_si128(); int a; a = (int)dct_const_round_shift(input[0] * cospi_16_64); a = (int)dct_const_round_shift(a * cospi_16_64); a = ROUND_POWER_OF_TWO(a, 5); dc_value = _mm_set1_epi16(a); RECON_AND_STORE(dest + 0 * stride, dc_value); RECON_AND_STORE(dest + 1 * stride, dc_value); RECON_AND_STORE(dest + 2 * stride, dc_value); RECON_AND_STORE(dest + 3 * stride, dc_value); RECON_AND_STORE(dest + 4 * stride, dc_value); RECON_AND_STORE(dest + 5 * stride, dc_value); RECON_AND_STORE(dest + 6 * stride, dc_value); RECON_AND_STORE(dest + 7 * stride, dc_value); } void idct8_sse2(__m128i *in) { const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64); __m128i in0, in1, in2, in3, in4, in5, in6, in7; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; // 8x8 Transpose is copied from vpx_fdct8x8_sse2() TRANSPOSE_8X8(in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7], in0, in1, in2, in3, in4, in5, in6, in7); // 4-stage 1D idct8x8 IDCT8(in0, in1, in2, in3, in4, in5, in6, in7, in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7]); } void iadst8_sse2(__m128i *in) { const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64); const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64); const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64); const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64); const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__const_0 = _mm_set1_epi16(0); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u0, u1, u2, u3, u4, u5, u6, u7, u8, u9, u10, u11, u12, u13, u14, u15; __m128i v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15; __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15; __m128i s0, s1, s2, s3, s4, s5, s6, s7; __m128i in0, in1, in2, in3, in4, in5, in6, in7; // transpose array_transpose_8x8(in, in); // properly aligned for butterfly input in0 = in[7]; in1 = in[0]; in2 = in[5]; in3 = in[2]; in4 = in[3]; in5 = in[4]; in6 = in[1]; in7 = in[6]; // column transformation // stage 1 // interleave and multiply/add into 32-bit integer s0 = _mm_unpacklo_epi16(in0, in1); s1 = _mm_unpackhi_epi16(in0, in1); s2 = _mm_unpacklo_epi16(in2, in3); s3 = _mm_unpackhi_epi16(in2, in3); s4 = _mm_unpacklo_epi16(in4, in5); s5 = _mm_unpackhi_epi16(in4, in5); s6 = _mm_unpacklo_epi16(in6, in7); s7 = _mm_unpackhi_epi16(in6, in7); u0 = _mm_madd_epi16(s0, k__cospi_p02_p30); u1 = _mm_madd_epi16(s1, k__cospi_p02_p30); u2 = _mm_madd_epi16(s0, k__cospi_p30_m02); u3 = _mm_madd_epi16(s1, k__cospi_p30_m02); u4 = _mm_madd_epi16(s2, k__cospi_p10_p22); u5 = _mm_madd_epi16(s3, k__cospi_p10_p22); u6 = _mm_madd_epi16(s2, k__cospi_p22_m10); u7 = _mm_madd_epi16(s3, k__cospi_p22_m10); u8 = _mm_madd_epi16(s4, k__cospi_p18_p14); u9 = _mm_madd_epi16(s5, k__cospi_p18_p14); u10 = _mm_madd_epi16(s4, k__cospi_p14_m18); u11 = _mm_madd_epi16(s5, k__cospi_p14_m18); u12 = _mm_madd_epi16(s6, k__cospi_p26_p06); u13 = _mm_madd_epi16(s7, k__cospi_p26_p06); u14 = _mm_madd_epi16(s6, k__cospi_p06_m26); u15 = _mm_madd_epi16(s7, k__cospi_p06_m26); // addition w0 = _mm_add_epi32(u0, u8); w1 = _mm_add_epi32(u1, u9); w2 = _mm_add_epi32(u2, u10); w3 = _mm_add_epi32(u3, u11); w4 = _mm_add_epi32(u4, u12); w5 = _mm_add_epi32(u5, u13); w6 = _mm_add_epi32(u6, u14); w7 = _mm_add_epi32(u7, u15); w8 = _mm_sub_epi32(u0, u8); w9 = _mm_sub_epi32(u1, u9); w10 = _mm_sub_epi32(u2, u10); w11 = _mm_sub_epi32(u3, u11); w12 = _mm_sub_epi32(u4, u12); w13 = _mm_sub_epi32(u5, u13); w14 = _mm_sub_epi32(u6, u14); w15 = _mm_sub_epi32(u7, u15); // shift and rounding v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING); v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING); v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING); v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING); v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING); v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING); v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING); v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING); v8 = _mm_add_epi32(w8, k__DCT_CONST_ROUNDING); v9 = _mm_add_epi32(w9, k__DCT_CONST_ROUNDING); v10 = _mm_add_epi32(w10, k__DCT_CONST_ROUNDING); v11 = _mm_add_epi32(w11, k__DCT_CONST_ROUNDING); v12 = _mm_add_epi32(w12, k__DCT_CONST_ROUNDING); v13 = _mm_add_epi32(w13, k__DCT_CONST_ROUNDING); v14 = _mm_add_epi32(w14, k__DCT_CONST_ROUNDING); v15 = _mm_add_epi32(w15, k__DCT_CONST_ROUNDING); u0 = _mm_srai_epi32(v0, DCT_CONST_BITS); u1 = _mm_srai_epi32(v1, DCT_CONST_BITS); u2 = _mm_srai_epi32(v2, DCT_CONST_BITS); u3 = _mm_srai_epi32(v3, DCT_CONST_BITS); u4 = _mm_srai_epi32(v4, DCT_CONST_BITS); u5 = _mm_srai_epi32(v5, DCT_CONST_BITS); u6 = _mm_srai_epi32(v6, DCT_CONST_BITS); u7 = _mm_srai_epi32(v7, DCT_CONST_BITS); u8 = _mm_srai_epi32(v8, DCT_CONST_BITS); u9 = _mm_srai_epi32(v9, DCT_CONST_BITS); u10 = _mm_srai_epi32(v10, DCT_CONST_BITS); u11 = _mm_srai_epi32(v11, DCT_CONST_BITS); u12 = _mm_srai_epi32(v12, DCT_CONST_BITS); u13 = _mm_srai_epi32(v13, DCT_CONST_BITS); u14 = _mm_srai_epi32(v14, DCT_CONST_BITS); u15 = _mm_srai_epi32(v15, DCT_CONST_BITS); // back to 16-bit and pack 8 integers into __m128i in[0] = _mm_packs_epi32(u0, u1); in[1] = _mm_packs_epi32(u2, u3); in[2] = _mm_packs_epi32(u4, u5); in[3] = _mm_packs_epi32(u6, u7); in[4] = _mm_packs_epi32(u8, u9); in[5] = _mm_packs_epi32(u10, u11); in[6] = _mm_packs_epi32(u12, u13); in[7] = _mm_packs_epi32(u14, u15); // stage 2 s0 = _mm_add_epi16(in[0], in[2]); s1 = _mm_add_epi16(in[1], in[3]); s2 = _mm_sub_epi16(in[0], in[2]); s3 = _mm_sub_epi16(in[1], in[3]); u0 = _mm_unpacklo_epi16(in[4], in[5]); u1 = _mm_unpackhi_epi16(in[4], in[5]); u2 = _mm_unpacklo_epi16(in[6], in[7]); u3 = _mm_unpackhi_epi16(in[6], in[7]); v0 = _mm_madd_epi16(u0, k__cospi_p08_p24); v1 = _mm_madd_epi16(u1, k__cospi_p08_p24); v2 = _mm_madd_epi16(u0, k__cospi_p24_m08); v3 = _mm_madd_epi16(u1, k__cospi_p24_m08); v4 = _mm_madd_epi16(u2, k__cospi_m24_p08); v5 = _mm_madd_epi16(u3, k__cospi_m24_p08); v6 = _mm_madd_epi16(u2, k__cospi_p08_p24); v7 = _mm_madd_epi16(u3, k__cospi_p08_p24); w0 = _mm_add_epi32(v0, v4); w1 = _mm_add_epi32(v1, v5); w2 = _mm_add_epi32(v2, v6); w3 = _mm_add_epi32(v3, v7); w4 = _mm_sub_epi32(v0, v4); w5 = _mm_sub_epi32(v1, v5); w6 = _mm_sub_epi32(v2, v6); w7 = _mm_sub_epi32(v3, v7); v0 = _mm_add_epi32(w0, k__DCT_CONST_ROUNDING); v1 = _mm_add_epi32(w1, k__DCT_CONST_ROUNDING); v2 = _mm_add_epi32(w2, k__DCT_CONST_ROUNDING); v3 = _mm_add_epi32(w3, k__DCT_CONST_ROUNDING); v4 = _mm_add_epi32(w4, k__DCT_CONST_ROUNDING); v5 = _mm_add_epi32(w5, k__DCT_CONST_ROUNDING); v6 = _mm_add_epi32(w6, k__DCT_CONST_ROUNDING); v7 = _mm_add_epi32(w7, k__DCT_CONST_ROUNDING); u0 = _mm_srai_epi32(v0, DCT_CONST_BITS); u1 = _mm_srai_epi32(v1, DCT_CONST_BITS); u2 = _mm_srai_epi32(v2, DCT_CONST_BITS); u3 = _mm_srai_epi32(v3, DCT_CONST_BITS); u4 = _mm_srai_epi32(v4, DCT_CONST_BITS); u5 = _mm_srai_epi32(v5, DCT_CONST_BITS); u6 = _mm_srai_epi32(v6, DCT_CONST_BITS); u7 = _mm_srai_epi32(v7, DCT_CONST_BITS); // back to 16-bit intergers s4 = _mm_packs_epi32(u0, u1); s5 = _mm_packs_epi32(u2, u3); s6 = _mm_packs_epi32(u4, u5); s7 = _mm_packs_epi32(u6, u7); // stage 3 u0 = _mm_unpacklo_epi16(s2, s3); u1 = _mm_unpackhi_epi16(s2, s3); u2 = _mm_unpacklo_epi16(s6, s7); u3 = _mm_unpackhi_epi16(s6, s7); v0 = _mm_madd_epi16(u0, k__cospi_p16_p16); v1 = _mm_madd_epi16(u1, k__cospi_p16_p16); v2 = _mm_madd_epi16(u0, k__cospi_p16_m16); v3 = _mm_madd_epi16(u1, k__cospi_p16_m16); v4 = _mm_madd_epi16(u2, k__cospi_p16_p16); v5 = _mm_madd_epi16(u3, k__cospi_p16_p16); v6 = _mm_madd_epi16(u2, k__cospi_p16_m16); v7 = _mm_madd_epi16(u3, k__cospi_p16_m16); u0 = _mm_add_epi32(v0, k__DCT_CONST_ROUNDING); u1 = _mm_add_epi32(v1, k__DCT_CONST_ROUNDING); u2 = _mm_add_epi32(v2, k__DCT_CONST_ROUNDING); u3 = _mm_add_epi32(v3, k__DCT_CONST_ROUNDING); u4 = _mm_add_epi32(v4, k__DCT_CONST_ROUNDING); u5 = _mm_add_epi32(v5, k__DCT_CONST_ROUNDING); u6 = _mm_add_epi32(v6, k__DCT_CONST_ROUNDING); u7 = _mm_add_epi32(v7, k__DCT_CONST_ROUNDING); v0 = _mm_srai_epi32(u0, DCT_CONST_BITS); v1 = _mm_srai_epi32(u1, DCT_CONST_BITS); v2 = _mm_srai_epi32(u2, DCT_CONST_BITS); v3 = _mm_srai_epi32(u3, DCT_CONST_BITS); v4 = _mm_srai_epi32(u4, DCT_CONST_BITS); v5 = _mm_srai_epi32(u5, DCT_CONST_BITS); v6 = _mm_srai_epi32(u6, DCT_CONST_BITS); v7 = _mm_srai_epi32(u7, DCT_CONST_BITS); s2 = _mm_packs_epi32(v0, v1); s3 = _mm_packs_epi32(v2, v3); s6 = _mm_packs_epi32(v4, v5); s7 = _mm_packs_epi32(v6, v7); in[0] = s0; in[1] = _mm_sub_epi16(k__const_0, s4); in[2] = s6; in[3] = _mm_sub_epi16(k__const_0, s2); in[4] = s3; in[5] = _mm_sub_epi16(k__const_0, s7); in[6] = s5; in[7] = _mm_sub_epi16(k__const_0, s1); } void vpx_idct8x8_12_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i zero = _mm_setzero_si128(); const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i final_rounding = _mm_set1_epi16(1 << 4); const __m128i stg1_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg1_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg1_2 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i stg1_3 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i stg2_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg2_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg2_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i stg2_3 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i stg3_0 = pair_set_epi16(-cospi_16_64, cospi_16_64); __m128i in0, in1, in2, in3, in4, in5, in6, in7; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; // Rows. Load 4-row input data. in0 = load_input_data(input); in1 = load_input_data(input + 8 * 1); in2 = load_input_data(input + 8 * 2); in3 = load_input_data(input + 8 * 3); // 8x4 Transpose TRANSPOSE_8X8_10(in0, in1, in2, in3, in0, in1); // Stage1 { const __m128i lo_17 = _mm_unpackhi_epi16(in0, zero); const __m128i lo_35 = _mm_unpackhi_epi16(in1, zero); tmp0 = _mm_madd_epi16(lo_17, stg1_0); tmp2 = _mm_madd_epi16(lo_17, stg1_1); tmp4 = _mm_madd_epi16(lo_35, stg1_2); tmp6 = _mm_madd_epi16(lo_35, stg1_3); tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp4 = _mm_add_epi32(tmp4, rounding); tmp6 = _mm_add_epi32(tmp6, rounding); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); stp1_4 = _mm_packs_epi32(tmp0, tmp2); stp1_5 = _mm_packs_epi32(tmp4, tmp6); } // Stage2 { const __m128i lo_04 = _mm_unpacklo_epi16(in0, zero); const __m128i lo_26 = _mm_unpacklo_epi16(in1, zero); tmp0 = _mm_madd_epi16(lo_04, stg2_0); tmp2 = _mm_madd_epi16(lo_04, stg2_1); tmp4 = _mm_madd_epi16(lo_26, stg2_2); tmp6 = _mm_madd_epi16(lo_26, stg2_3); tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp4 = _mm_add_epi32(tmp4, rounding); tmp6 = _mm_add_epi32(tmp6, rounding); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); stp2_0 = _mm_packs_epi32(tmp0, tmp2); stp2_2 = _mm_packs_epi32(tmp6, tmp4); tmp0 = _mm_adds_epi16(stp1_4, stp1_5); tmp1 = _mm_subs_epi16(stp1_4, stp1_5); stp2_4 = tmp0; stp2_5 = _mm_unpacklo_epi64(tmp1, zero); stp2_6 = _mm_unpackhi_epi64(tmp1, zero); } // Stage3 { const __m128i lo_56 = _mm_unpacklo_epi16(stp2_5, stp2_6); tmp4 = _mm_adds_epi16(stp2_0, stp2_2); tmp6 = _mm_subs_epi16(stp2_0, stp2_2); stp1_2 = _mm_unpackhi_epi64(tmp6, tmp4); stp1_3 = _mm_unpacklo_epi64(tmp6, tmp4); tmp0 = _mm_madd_epi16(lo_56, stg3_0); tmp2 = _mm_madd_epi16(lo_56, stg2_0); // stg3_1 = stg2_0 tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); stp1_5 = _mm_packs_epi32(tmp0, tmp2); } // Stage4 tmp0 = _mm_adds_epi16(stp1_3, stp2_4); tmp1 = _mm_adds_epi16(stp1_2, stp1_5); tmp2 = _mm_subs_epi16(stp1_3, stp2_4); tmp3 = _mm_subs_epi16(stp1_2, stp1_5); TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, in0, in1, in2, in3) IDCT8(in0, in1, in2, in3, zero, zero, zero, zero, in0, in1, in2, in3, in4, in5, in6, in7); // Final rounding and shift in0 = _mm_adds_epi16(in0, final_rounding); in1 = _mm_adds_epi16(in1, final_rounding); in2 = _mm_adds_epi16(in2, final_rounding); in3 = _mm_adds_epi16(in3, final_rounding); in4 = _mm_adds_epi16(in4, final_rounding); in5 = _mm_adds_epi16(in5, final_rounding); in6 = _mm_adds_epi16(in6, final_rounding); in7 = _mm_adds_epi16(in7, final_rounding); in0 = _mm_srai_epi16(in0, 5); in1 = _mm_srai_epi16(in1, 5); in2 = _mm_srai_epi16(in2, 5); in3 = _mm_srai_epi16(in3, 5); in4 = _mm_srai_epi16(in4, 5); in5 = _mm_srai_epi16(in5, 5); in6 = _mm_srai_epi16(in6, 5); in7 = _mm_srai_epi16(in7, 5); RECON_AND_STORE(dest + 0 * stride, in0); RECON_AND_STORE(dest + 1 * stride, in1); RECON_AND_STORE(dest + 2 * stride, in2); RECON_AND_STORE(dest + 3 * stride, in3); RECON_AND_STORE(dest + 4 * stride, in4); RECON_AND_STORE(dest + 5 * stride, in5); RECON_AND_STORE(dest + 6 * stride, in6); RECON_AND_STORE(dest + 7 * stride, in7); } #define IDCT16 \ /* Stage2 */ \ { \ const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], in[15]); \ const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], in[15]); \ const __m128i lo_9_7 = _mm_unpacklo_epi16(in[9], in[7]); \ const __m128i hi_9_7 = _mm_unpackhi_epi16(in[9], in[7]); \ const __m128i lo_5_11 = _mm_unpacklo_epi16(in[5], in[11]); \ const __m128i hi_5_11 = _mm_unpackhi_epi16(in[5], in[11]); \ const __m128i lo_13_3 = _mm_unpacklo_epi16(in[13], in[3]); \ const __m128i hi_13_3 = _mm_unpackhi_epi16(in[13], in[3]); \ \ MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_9_7, hi_9_7, \ stg2_0, stg2_1, stg2_2, stg2_3, \ stp2_8, stp2_15, stp2_9, stp2_14) \ \ MULTIPLICATION_AND_ADD(lo_5_11, hi_5_11, lo_13_3, hi_13_3, \ stg2_4, stg2_5, stg2_6, stg2_7, \ stp2_10, stp2_13, stp2_11, stp2_12) \ } \ \ /* Stage3 */ \ { \ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], in[14]); \ const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], in[14]); \ const __m128i lo_10_6 = _mm_unpacklo_epi16(in[10], in[6]); \ const __m128i hi_10_6 = _mm_unpackhi_epi16(in[10], in[6]); \ \ MULTIPLICATION_AND_ADD(lo_2_14, hi_2_14, lo_10_6, hi_10_6, \ stg3_0, stg3_1, stg3_2, stg3_3, \ stp1_4, stp1_7, stp1_5, stp1_6) \ \ stp1_8_0 = _mm_add_epi16(stp2_8, stp2_9); \ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \ stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \ \ stp1_12_0 = _mm_add_epi16(stp2_12, stp2_13); \ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \ stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \ } \ \ /* Stage4 */ \ { \ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], in[8]); \ const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], in[8]); \ const __m128i lo_4_12 = _mm_unpacklo_epi16(in[4], in[12]); \ const __m128i hi_4_12 = _mm_unpackhi_epi16(in[4], in[12]); \ \ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ \ MULTIPLICATION_AND_ADD(lo_0_8, hi_0_8, lo_4_12, hi_4_12, \ stg4_0, stg4_1, stg4_2, stg4_3, \ stp2_0, stp2_1, stp2_2, stp2_3) \ \ stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \ stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \ \ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \ stg4_4, stg4_5, stg4_6, stg4_7, \ stp2_9, stp2_14, stp2_10, stp2_13) \ } \ \ /* Stage5 */ \ { \ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \ \ stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \ stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \ \ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ \ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \ \ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \ \ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \ } \ \ /* Stage6 */ \ { \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \ \ stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \ stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \ \ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \ stg6_0, stg4_0, stg6_0, stg4_0, \ stp2_10, stp2_13, stp2_11, stp2_12) \ } #define IDCT16_10 \ /* Stage2 */ \ { \ const __m128i lo_1_15 = _mm_unpacklo_epi16(in[1], zero); \ const __m128i hi_1_15 = _mm_unpackhi_epi16(in[1], zero); \ const __m128i lo_13_3 = _mm_unpacklo_epi16(zero, in[3]); \ const __m128i hi_13_3 = _mm_unpackhi_epi16(zero, in[3]); \ \ MULTIPLICATION_AND_ADD(lo_1_15, hi_1_15, lo_13_3, hi_13_3, \ stg2_0, stg2_1, stg2_6, stg2_7, \ stp1_8_0, stp1_15, stp1_11, stp1_12_0) \ } \ \ /* Stage3 */ \ { \ const __m128i lo_2_14 = _mm_unpacklo_epi16(in[2], zero); \ const __m128i hi_2_14 = _mm_unpackhi_epi16(in[2], zero); \ \ MULTIPLICATION_AND_ADD_2(lo_2_14, hi_2_14, \ stg3_0, stg3_1, \ stp2_4, stp2_7) \ \ stp1_9 = stp1_8_0; \ stp1_10 = stp1_11; \ \ stp1_13 = stp1_12_0; \ stp1_14 = stp1_15; \ } \ \ /* Stage4 */ \ { \ const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero); \ const __m128i hi_0_8 = _mm_unpackhi_epi16(in[0], zero); \ \ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ \ MULTIPLICATION_AND_ADD_2(lo_0_8, hi_0_8, \ stg4_0, stg4_1, \ stp1_0, stp1_1) \ stp2_5 = stp2_4; \ stp2_6 = stp2_7; \ \ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, \ stg4_4, stg4_5, stg4_6, stg4_7, \ stp2_9, stp2_14, stp2_10, stp2_13) \ } \ \ /* Stage5 */ \ { \ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \ \ stp1_2 = stp1_1; \ stp1_3 = stp1_0; \ \ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ \ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \ \ stp1_8 = _mm_add_epi16(stp1_8_0, stp1_11); \ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \ stp1_11 = _mm_sub_epi16(stp1_8_0, stp1_11); \ \ stp1_12 = _mm_sub_epi16(stp1_15, stp1_12_0); \ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \ stp1_15 = _mm_add_epi16(stp1_15, stp1_12_0); \ } \ \ /* Stage6 */ \ { \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \ \ stp2_0 = _mm_add_epi16(stp1_0, stp2_7); \ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \ stp2_3 = _mm_add_epi16(stp1_3, stp2_4); \ stp2_4 = _mm_sub_epi16(stp1_3, stp2_4); \ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \ stp2_7 = _mm_sub_epi16(stp1_0, stp2_7); \ \ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \ stg6_0, stg4_0, stg6_0, stg4_0, \ stp2_10, stp2_13, stp2_11, stp2_12) \ } void vpx_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i final_rounding = _mm_set1_epi16(1 << 5); const __m128i zero = _mm_setzero_si128(); const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64); const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64); const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64); const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64); const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64); const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64); const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64); const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64); __m128i in[16], l[16], r[16], *curr1; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7, stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15, stp1_8_0, stp1_12_0; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7, stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; int i; curr1 = l; for (i = 0; i < 2; i++) { // 1-D idct // Load input data. in[0] = load_input_data(input); in[8] = load_input_data(input + 8 * 1); in[1] = load_input_data(input + 8 * 2); in[9] = load_input_data(input + 8 * 3); in[2] = load_input_data(input + 8 * 4); in[10] = load_input_data(input + 8 * 5); in[3] = load_input_data(input + 8 * 6); in[11] = load_input_data(input + 8 * 7); in[4] = load_input_data(input + 8 * 8); in[12] = load_input_data(input + 8 * 9); in[5] = load_input_data(input + 8 * 10); in[13] = load_input_data(input + 8 * 11); in[6] = load_input_data(input + 8 * 12); in[14] = load_input_data(input + 8 * 13); in[7] = load_input_data(input + 8 * 14); in[15] = load_input_data(input + 8 * 15); array_transpose_8x8(in, in); array_transpose_8x8(in + 8, in + 8); IDCT16 // Stage7 curr1[0] = _mm_add_epi16(stp2_0, stp1_15); curr1[1] = _mm_add_epi16(stp2_1, stp1_14); curr1[2] = _mm_add_epi16(stp2_2, stp2_13); curr1[3] = _mm_add_epi16(stp2_3, stp2_12); curr1[4] = _mm_add_epi16(stp2_4, stp2_11); curr1[5] = _mm_add_epi16(stp2_5, stp2_10); curr1[6] = _mm_add_epi16(stp2_6, stp1_9); curr1[7] = _mm_add_epi16(stp2_7, stp1_8); curr1[8] = _mm_sub_epi16(stp2_7, stp1_8); curr1[9] = _mm_sub_epi16(stp2_6, stp1_9); curr1[10] = _mm_sub_epi16(stp2_5, stp2_10); curr1[11] = _mm_sub_epi16(stp2_4, stp2_11); curr1[12] = _mm_sub_epi16(stp2_3, stp2_12); curr1[13] = _mm_sub_epi16(stp2_2, stp2_13); curr1[14] = _mm_sub_epi16(stp2_1, stp1_14); curr1[15] = _mm_sub_epi16(stp2_0, stp1_15); curr1 = r; input += 128; } for (i = 0; i < 2; i++) { int j; // 1-D idct array_transpose_8x8(l + i * 8, in); array_transpose_8x8(r + i * 8, in + 8); IDCT16 // 2-D in[0] = _mm_add_epi16(stp2_0, stp1_15); in[1] = _mm_add_epi16(stp2_1, stp1_14); in[2] = _mm_add_epi16(stp2_2, stp2_13); in[3] = _mm_add_epi16(stp2_3, stp2_12); in[4] = _mm_add_epi16(stp2_4, stp2_11); in[5] = _mm_add_epi16(stp2_5, stp2_10); in[6] = _mm_add_epi16(stp2_6, stp1_9); in[7] = _mm_add_epi16(stp2_7, stp1_8); in[8] = _mm_sub_epi16(stp2_7, stp1_8); in[9] = _mm_sub_epi16(stp2_6, stp1_9); in[10] = _mm_sub_epi16(stp2_5, stp2_10); in[11] = _mm_sub_epi16(stp2_4, stp2_11); in[12] = _mm_sub_epi16(stp2_3, stp2_12); in[13] = _mm_sub_epi16(stp2_2, stp2_13); in[14] = _mm_sub_epi16(stp2_1, stp1_14); in[15] = _mm_sub_epi16(stp2_0, stp1_15); for (j = 0; j < 16; ++j) { // Final rounding and shift in[j] = _mm_adds_epi16(in[j], final_rounding); in[j] = _mm_srai_epi16(in[j], 6); RECON_AND_STORE(dest + j * stride, in[j]); } dest += 8; } } void vpx_idct16x16_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; const __m128i zero = _mm_setzero_si128(); int a, i; a = (int)dct_const_round_shift(input[0] * cospi_16_64); a = (int)dct_const_round_shift(a * cospi_16_64); a = ROUND_POWER_OF_TWO(a, 6); dc_value = _mm_set1_epi16(a); for (i = 0; i < 16; ++i) { RECON_AND_STORE(dest + 0, dc_value); RECON_AND_STORE(dest + 8, dc_value); dest += stride; } } static void iadst16_8col(__m128i *in) { // perform 16x16 1-D ADST for 8 columns __m128i s[16], x[16], u[32], v[32]; const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64); const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64); const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64); const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64); const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64); const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64); const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64); const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64); const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64); const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64); const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64); const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64); const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64); const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64); const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64); const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64); const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64); const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64); const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64); const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64); const __m128i k__cospi_m16_m16 = _mm_set1_epi16((int16_t)-cospi_16_64); const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i kZero = _mm_set1_epi16(0); u[0] = _mm_unpacklo_epi16(in[15], in[0]); u[1] = _mm_unpackhi_epi16(in[15], in[0]); u[2] = _mm_unpacklo_epi16(in[13], in[2]); u[3] = _mm_unpackhi_epi16(in[13], in[2]); u[4] = _mm_unpacklo_epi16(in[11], in[4]); u[5] = _mm_unpackhi_epi16(in[11], in[4]); u[6] = _mm_unpacklo_epi16(in[9], in[6]); u[7] = _mm_unpackhi_epi16(in[9], in[6]); u[8] = _mm_unpacklo_epi16(in[7], in[8]); u[9] = _mm_unpackhi_epi16(in[7], in[8]); u[10] = _mm_unpacklo_epi16(in[5], in[10]); u[11] = _mm_unpackhi_epi16(in[5], in[10]); u[12] = _mm_unpacklo_epi16(in[3], in[12]); u[13] = _mm_unpackhi_epi16(in[3], in[12]); u[14] = _mm_unpacklo_epi16(in[1], in[14]); u[15] = _mm_unpackhi_epi16(in[1], in[14]); v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31); v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31); v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01); v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01); v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27); v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27); v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05); v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05); v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23); v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23); v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09); v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09); v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19); v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19); v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13); v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13); v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15); v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15); v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17); v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17); v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11); v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11); v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21); v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21); v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07); v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07); v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25); v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25); v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03); v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03); v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29); v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29); u[0] = _mm_add_epi32(v[0], v[16]); u[1] = _mm_add_epi32(v[1], v[17]); u[2] = _mm_add_epi32(v[2], v[18]); u[3] = _mm_add_epi32(v[3], v[19]); u[4] = _mm_add_epi32(v[4], v[20]); u[5] = _mm_add_epi32(v[5], v[21]); u[6] = _mm_add_epi32(v[6], v[22]); u[7] = _mm_add_epi32(v[7], v[23]); u[8] = _mm_add_epi32(v[8], v[24]); u[9] = _mm_add_epi32(v[9], v[25]); u[10] = _mm_add_epi32(v[10], v[26]); u[11] = _mm_add_epi32(v[11], v[27]); u[12] = _mm_add_epi32(v[12], v[28]); u[13] = _mm_add_epi32(v[13], v[29]); u[14] = _mm_add_epi32(v[14], v[30]); u[15] = _mm_add_epi32(v[15], v[31]); u[16] = _mm_sub_epi32(v[0], v[16]); u[17] = _mm_sub_epi32(v[1], v[17]); u[18] = _mm_sub_epi32(v[2], v[18]); u[19] = _mm_sub_epi32(v[3], v[19]); u[20] = _mm_sub_epi32(v[4], v[20]); u[21] = _mm_sub_epi32(v[5], v[21]); u[22] = _mm_sub_epi32(v[6], v[22]); u[23] = _mm_sub_epi32(v[7], v[23]); u[24] = _mm_sub_epi32(v[8], v[24]); u[25] = _mm_sub_epi32(v[9], v[25]); u[26] = _mm_sub_epi32(v[10], v[26]); u[27] = _mm_sub_epi32(v[11], v[27]); u[28] = _mm_sub_epi32(v[12], v[28]); u[29] = _mm_sub_epi32(v[13], v[29]); u[30] = _mm_sub_epi32(v[14], v[30]); u[31] = _mm_sub_epi32(v[15], v[31]); v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING); v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING); v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING); v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING); v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING); v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING); v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING); v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING); v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING); v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING); v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING); v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING); v[16] = _mm_add_epi32(u[16], k__DCT_CONST_ROUNDING); v[17] = _mm_add_epi32(u[17], k__DCT_CONST_ROUNDING); v[18] = _mm_add_epi32(u[18], k__DCT_CONST_ROUNDING); v[19] = _mm_add_epi32(u[19], k__DCT_CONST_ROUNDING); v[20] = _mm_add_epi32(u[20], k__DCT_CONST_ROUNDING); v[21] = _mm_add_epi32(u[21], k__DCT_CONST_ROUNDING); v[22] = _mm_add_epi32(u[22], k__DCT_CONST_ROUNDING); v[23] = _mm_add_epi32(u[23], k__DCT_CONST_ROUNDING); v[24] = _mm_add_epi32(u[24], k__DCT_CONST_ROUNDING); v[25] = _mm_add_epi32(u[25], k__DCT_CONST_ROUNDING); v[26] = _mm_add_epi32(u[26], k__DCT_CONST_ROUNDING); v[27] = _mm_add_epi32(u[27], k__DCT_CONST_ROUNDING); v[28] = _mm_add_epi32(u[28], k__DCT_CONST_ROUNDING); v[29] = _mm_add_epi32(u[29], k__DCT_CONST_ROUNDING); v[30] = _mm_add_epi32(u[30], k__DCT_CONST_ROUNDING); v[31] = _mm_add_epi32(u[31], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS); u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS); u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS); u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS); u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS); u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS); u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS); u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS); u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS); u[16] = _mm_srai_epi32(v[16], DCT_CONST_BITS); u[17] = _mm_srai_epi32(v[17], DCT_CONST_BITS); u[18] = _mm_srai_epi32(v[18], DCT_CONST_BITS); u[19] = _mm_srai_epi32(v[19], DCT_CONST_BITS); u[20] = _mm_srai_epi32(v[20], DCT_CONST_BITS); u[21] = _mm_srai_epi32(v[21], DCT_CONST_BITS); u[22] = _mm_srai_epi32(v[22], DCT_CONST_BITS); u[23] = _mm_srai_epi32(v[23], DCT_CONST_BITS); u[24] = _mm_srai_epi32(v[24], DCT_CONST_BITS); u[25] = _mm_srai_epi32(v[25], DCT_CONST_BITS); u[26] = _mm_srai_epi32(v[26], DCT_CONST_BITS); u[27] = _mm_srai_epi32(v[27], DCT_CONST_BITS); u[28] = _mm_srai_epi32(v[28], DCT_CONST_BITS); u[29] = _mm_srai_epi32(v[29], DCT_CONST_BITS); u[30] = _mm_srai_epi32(v[30], DCT_CONST_BITS); u[31] = _mm_srai_epi32(v[31], DCT_CONST_BITS); s[0] = _mm_packs_epi32(u[0], u[1]); s[1] = _mm_packs_epi32(u[2], u[3]); s[2] = _mm_packs_epi32(u[4], u[5]); s[3] = _mm_packs_epi32(u[6], u[7]); s[4] = _mm_packs_epi32(u[8], u[9]); s[5] = _mm_packs_epi32(u[10], u[11]); s[6] = _mm_packs_epi32(u[12], u[13]); s[7] = _mm_packs_epi32(u[14], u[15]); s[8] = _mm_packs_epi32(u[16], u[17]); s[9] = _mm_packs_epi32(u[18], u[19]); s[10] = _mm_packs_epi32(u[20], u[21]); s[11] = _mm_packs_epi32(u[22], u[23]); s[12] = _mm_packs_epi32(u[24], u[25]); s[13] = _mm_packs_epi32(u[26], u[27]); s[14] = _mm_packs_epi32(u[28], u[29]); s[15] = _mm_packs_epi32(u[30], u[31]); // stage 2 u[0] = _mm_unpacklo_epi16(s[8], s[9]); u[1] = _mm_unpackhi_epi16(s[8], s[9]); u[2] = _mm_unpacklo_epi16(s[10], s[11]); u[3] = _mm_unpackhi_epi16(s[10], s[11]); u[4] = _mm_unpacklo_epi16(s[12], s[13]); u[5] = _mm_unpackhi_epi16(s[12], s[13]); u[6] = _mm_unpacklo_epi16(s[14], s[15]); u[7] = _mm_unpackhi_epi16(s[14], s[15]); v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28); v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28); v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04); v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04); v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12); v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12); v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20); v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20); v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04); v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04); v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28); v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28); v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20); v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20); v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12); v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12); u[0] = _mm_add_epi32(v[0], v[8]); u[1] = _mm_add_epi32(v[1], v[9]); u[2] = _mm_add_epi32(v[2], v[10]); u[3] = _mm_add_epi32(v[3], v[11]); u[4] = _mm_add_epi32(v[4], v[12]); u[5] = _mm_add_epi32(v[5], v[13]); u[6] = _mm_add_epi32(v[6], v[14]); u[7] = _mm_add_epi32(v[7], v[15]); u[8] = _mm_sub_epi32(v[0], v[8]); u[9] = _mm_sub_epi32(v[1], v[9]); u[10] = _mm_sub_epi32(v[2], v[10]); u[11] = _mm_sub_epi32(v[3], v[11]); u[12] = _mm_sub_epi32(v[4], v[12]); u[13] = _mm_sub_epi32(v[5], v[13]); u[14] = _mm_sub_epi32(v[6], v[14]); u[15] = _mm_sub_epi32(v[7], v[15]); v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING); v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING); v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING); v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING); v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING); v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING); v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING); v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING); v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING); v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING); v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING); v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS); u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS); u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS); u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS); u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS); u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS); u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS); u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS); u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS); x[0] = _mm_add_epi16(s[0], s[4]); x[1] = _mm_add_epi16(s[1], s[5]); x[2] = _mm_add_epi16(s[2], s[6]); x[3] = _mm_add_epi16(s[3], s[7]); x[4] = _mm_sub_epi16(s[0], s[4]); x[5] = _mm_sub_epi16(s[1], s[5]); x[6] = _mm_sub_epi16(s[2], s[6]); x[7] = _mm_sub_epi16(s[3], s[7]); x[8] = _mm_packs_epi32(u[0], u[1]); x[9] = _mm_packs_epi32(u[2], u[3]); x[10] = _mm_packs_epi32(u[4], u[5]); x[11] = _mm_packs_epi32(u[6], u[7]); x[12] = _mm_packs_epi32(u[8], u[9]); x[13] = _mm_packs_epi32(u[10], u[11]); x[14] = _mm_packs_epi32(u[12], u[13]); x[15] = _mm_packs_epi32(u[14], u[15]); // stage 3 u[0] = _mm_unpacklo_epi16(x[4], x[5]); u[1] = _mm_unpackhi_epi16(x[4], x[5]); u[2] = _mm_unpacklo_epi16(x[6], x[7]); u[3] = _mm_unpackhi_epi16(x[6], x[7]); u[4] = _mm_unpacklo_epi16(x[12], x[13]); u[5] = _mm_unpackhi_epi16(x[12], x[13]); u[6] = _mm_unpacklo_epi16(x[14], x[15]); u[7] = _mm_unpackhi_epi16(x[14], x[15]); v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24); v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24); v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08); v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08); v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08); v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08); v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24); v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24); v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08); v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08); v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08); v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08); v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24); v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24); u[0] = _mm_add_epi32(v[0], v[4]); u[1] = _mm_add_epi32(v[1], v[5]); u[2] = _mm_add_epi32(v[2], v[6]); u[3] = _mm_add_epi32(v[3], v[7]); u[4] = _mm_sub_epi32(v[0], v[4]); u[5] = _mm_sub_epi32(v[1], v[5]); u[6] = _mm_sub_epi32(v[2], v[6]); u[7] = _mm_sub_epi32(v[3], v[7]); u[8] = _mm_add_epi32(v[8], v[12]); u[9] = _mm_add_epi32(v[9], v[13]); u[10] = _mm_add_epi32(v[10], v[14]); u[11] = _mm_add_epi32(v[11], v[15]); u[12] = _mm_sub_epi32(v[8], v[12]); u[13] = _mm_sub_epi32(v[9], v[13]); u[14] = _mm_sub_epi32(v[10], v[14]); u[15] = _mm_sub_epi32(v[11], v[15]); u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); s[0] = _mm_add_epi16(x[0], x[2]); s[1] = _mm_add_epi16(x[1], x[3]); s[2] = _mm_sub_epi16(x[0], x[2]); s[3] = _mm_sub_epi16(x[1], x[3]); s[4] = _mm_packs_epi32(v[0], v[1]); s[5] = _mm_packs_epi32(v[2], v[3]); s[6] = _mm_packs_epi32(v[4], v[5]); s[7] = _mm_packs_epi32(v[6], v[7]); s[8] = _mm_add_epi16(x[8], x[10]); s[9] = _mm_add_epi16(x[9], x[11]); s[10] = _mm_sub_epi16(x[8], x[10]); s[11] = _mm_sub_epi16(x[9], x[11]); s[12] = _mm_packs_epi32(v[8], v[9]); s[13] = _mm_packs_epi32(v[10], v[11]); s[14] = _mm_packs_epi32(v[12], v[13]); s[15] = _mm_packs_epi32(v[14], v[15]); // stage 4 u[0] = _mm_unpacklo_epi16(s[2], s[3]); u[1] = _mm_unpackhi_epi16(s[2], s[3]); u[2] = _mm_unpacklo_epi16(s[6], s[7]); u[3] = _mm_unpackhi_epi16(s[6], s[7]); u[4] = _mm_unpacklo_epi16(s[10], s[11]); u[5] = _mm_unpackhi_epi16(s[10], s[11]); u[6] = _mm_unpacklo_epi16(s[14], s[15]); u[7] = _mm_unpackhi_epi16(s[14], s[15]); v[0] = _mm_madd_epi16(u[0], k__cospi_m16_m16); v[1] = _mm_madd_epi16(u[1], k__cospi_m16_m16); v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16); v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16); v[4] = _mm_madd_epi16(u[2], k__cospi_p16_p16); v[5] = _mm_madd_epi16(u[3], k__cospi_p16_p16); v[6] = _mm_madd_epi16(u[2], k__cospi_m16_p16); v[7] = _mm_madd_epi16(u[3], k__cospi_m16_p16); v[8] = _mm_madd_epi16(u[4], k__cospi_p16_p16); v[9] = _mm_madd_epi16(u[5], k__cospi_p16_p16); v[10] = _mm_madd_epi16(u[4], k__cospi_m16_p16); v[11] = _mm_madd_epi16(u[5], k__cospi_m16_p16); v[12] = _mm_madd_epi16(u[6], k__cospi_m16_m16); v[13] = _mm_madd_epi16(u[7], k__cospi_m16_m16); v[14] = _mm_madd_epi16(u[6], k__cospi_p16_m16); v[15] = _mm_madd_epi16(u[7], k__cospi_p16_m16); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); v[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); v[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); v[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); v[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); v[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); v[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); v[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); v[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); v[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); v[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); v[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); v[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); v[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); v[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); v[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); v[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); in[0] = s[0]; in[1] = _mm_sub_epi16(kZero, s[8]); in[2] = s[12]; in[3] = _mm_sub_epi16(kZero, s[4]); in[4] = _mm_packs_epi32(v[4], v[5]); in[5] = _mm_packs_epi32(v[12], v[13]); in[6] = _mm_packs_epi32(v[8], v[9]); in[7] = _mm_packs_epi32(v[0], v[1]); in[8] = _mm_packs_epi32(v[2], v[3]); in[9] = _mm_packs_epi32(v[10], v[11]); in[10] = _mm_packs_epi32(v[14], v[15]); in[11] = _mm_packs_epi32(v[6], v[7]); in[12] = s[5]; in[13] = _mm_sub_epi16(kZero, s[13]); in[14] = s[9]; in[15] = _mm_sub_epi16(kZero, s[1]); } static void idct16_8col(__m128i *in) { const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64); const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64); const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64); const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64); const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64); const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64); const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64); const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i v[16], u[16], s[16], t[16]; // stage 1 s[0] = in[0]; s[1] = in[8]; s[2] = in[4]; s[3] = in[12]; s[4] = in[2]; s[5] = in[10]; s[6] = in[6]; s[7] = in[14]; s[8] = in[1]; s[9] = in[9]; s[10] = in[5]; s[11] = in[13]; s[12] = in[3]; s[13] = in[11]; s[14] = in[7]; s[15] = in[15]; // stage 2 u[0] = _mm_unpacklo_epi16(s[8], s[15]); u[1] = _mm_unpackhi_epi16(s[8], s[15]); u[2] = _mm_unpacklo_epi16(s[9], s[14]); u[3] = _mm_unpackhi_epi16(s[9], s[14]); u[4] = _mm_unpacklo_epi16(s[10], s[13]); u[5] = _mm_unpackhi_epi16(s[10], s[13]); u[6] = _mm_unpacklo_epi16(s[11], s[12]); u[7] = _mm_unpackhi_epi16(s[11], s[12]); v[0] = _mm_madd_epi16(u[0], k__cospi_p30_m02); v[1] = _mm_madd_epi16(u[1], k__cospi_p30_m02); v[2] = _mm_madd_epi16(u[0], k__cospi_p02_p30); v[3] = _mm_madd_epi16(u[1], k__cospi_p02_p30); v[4] = _mm_madd_epi16(u[2], k__cospi_p14_m18); v[5] = _mm_madd_epi16(u[3], k__cospi_p14_m18); v[6] = _mm_madd_epi16(u[2], k__cospi_p18_p14); v[7] = _mm_madd_epi16(u[3], k__cospi_p18_p14); v[8] = _mm_madd_epi16(u[4], k__cospi_p22_m10); v[9] = _mm_madd_epi16(u[5], k__cospi_p22_m10); v[10] = _mm_madd_epi16(u[4], k__cospi_p10_p22); v[11] = _mm_madd_epi16(u[5], k__cospi_p10_p22); v[12] = _mm_madd_epi16(u[6], k__cospi_p06_m26); v[13] = _mm_madd_epi16(u[7], k__cospi_p06_m26); v[14] = _mm_madd_epi16(u[6], k__cospi_p26_p06); v[15] = _mm_madd_epi16(u[7], k__cospi_p26_p06); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); s[8] = _mm_packs_epi32(u[0], u[1]); s[15] = _mm_packs_epi32(u[2], u[3]); s[9] = _mm_packs_epi32(u[4], u[5]); s[14] = _mm_packs_epi32(u[6], u[7]); s[10] = _mm_packs_epi32(u[8], u[9]); s[13] = _mm_packs_epi32(u[10], u[11]); s[11] = _mm_packs_epi32(u[12], u[13]); s[12] = _mm_packs_epi32(u[14], u[15]); // stage 3 t[0] = s[0]; t[1] = s[1]; t[2] = s[2]; t[3] = s[3]; u[0] = _mm_unpacklo_epi16(s[4], s[7]); u[1] = _mm_unpackhi_epi16(s[4], s[7]); u[2] = _mm_unpacklo_epi16(s[5], s[6]); u[3] = _mm_unpackhi_epi16(s[5], s[6]); v[0] = _mm_madd_epi16(u[0], k__cospi_p28_m04); v[1] = _mm_madd_epi16(u[1], k__cospi_p28_m04); v[2] = _mm_madd_epi16(u[0], k__cospi_p04_p28); v[3] = _mm_madd_epi16(u[1], k__cospi_p04_p28); v[4] = _mm_madd_epi16(u[2], k__cospi_p12_m20); v[5] = _mm_madd_epi16(u[3], k__cospi_p12_m20); v[6] = _mm_madd_epi16(u[2], k__cospi_p20_p12); v[7] = _mm_madd_epi16(u[3], k__cospi_p20_p12); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); t[4] = _mm_packs_epi32(u[0], u[1]); t[7] = _mm_packs_epi32(u[2], u[3]); t[5] = _mm_packs_epi32(u[4], u[5]); t[6] = _mm_packs_epi32(u[6], u[7]); t[8] = _mm_add_epi16(s[8], s[9]); t[9] = _mm_sub_epi16(s[8], s[9]); t[10] = _mm_sub_epi16(s[11], s[10]); t[11] = _mm_add_epi16(s[10], s[11]); t[12] = _mm_add_epi16(s[12], s[13]); t[13] = _mm_sub_epi16(s[12], s[13]); t[14] = _mm_sub_epi16(s[15], s[14]); t[15] = _mm_add_epi16(s[14], s[15]); // stage 4 u[0] = _mm_unpacklo_epi16(t[0], t[1]); u[1] = _mm_unpackhi_epi16(t[0], t[1]); u[2] = _mm_unpacklo_epi16(t[2], t[3]); u[3] = _mm_unpackhi_epi16(t[2], t[3]); u[4] = _mm_unpacklo_epi16(t[9], t[14]); u[5] = _mm_unpackhi_epi16(t[9], t[14]); u[6] = _mm_unpacklo_epi16(t[10], t[13]); u[7] = _mm_unpackhi_epi16(t[10], t[13]); v[0] = _mm_madd_epi16(u[0], k__cospi_p16_p16); v[1] = _mm_madd_epi16(u[1], k__cospi_p16_p16); v[2] = _mm_madd_epi16(u[0], k__cospi_p16_m16); v[3] = _mm_madd_epi16(u[1], k__cospi_p16_m16); v[4] = _mm_madd_epi16(u[2], k__cospi_p24_m08); v[5] = _mm_madd_epi16(u[3], k__cospi_p24_m08); v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24); v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24); v[8] = _mm_madd_epi16(u[4], k__cospi_m08_p24); v[9] = _mm_madd_epi16(u[5], k__cospi_m08_p24); v[10] = _mm_madd_epi16(u[4], k__cospi_p24_p08); v[11] = _mm_madd_epi16(u[5], k__cospi_p24_p08); v[12] = _mm_madd_epi16(u[6], k__cospi_m24_m08); v[13] = _mm_madd_epi16(u[7], k__cospi_m24_m08); v[14] = _mm_madd_epi16(u[6], k__cospi_m08_p24); v[15] = _mm_madd_epi16(u[7], k__cospi_m08_p24); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[8] = _mm_add_epi32(v[8], k__DCT_CONST_ROUNDING); u[9] = _mm_add_epi32(v[9], k__DCT_CONST_ROUNDING); u[10] = _mm_add_epi32(v[10], k__DCT_CONST_ROUNDING); u[11] = _mm_add_epi32(v[11], k__DCT_CONST_ROUNDING); u[12] = _mm_add_epi32(v[12], k__DCT_CONST_ROUNDING); u[13] = _mm_add_epi32(v[13], k__DCT_CONST_ROUNDING); u[14] = _mm_add_epi32(v[14], k__DCT_CONST_ROUNDING); u[15] = _mm_add_epi32(v[15], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); u[8] = _mm_srai_epi32(u[8], DCT_CONST_BITS); u[9] = _mm_srai_epi32(u[9], DCT_CONST_BITS); u[10] = _mm_srai_epi32(u[10], DCT_CONST_BITS); u[11] = _mm_srai_epi32(u[11], DCT_CONST_BITS); u[12] = _mm_srai_epi32(u[12], DCT_CONST_BITS); u[13] = _mm_srai_epi32(u[13], DCT_CONST_BITS); u[14] = _mm_srai_epi32(u[14], DCT_CONST_BITS); u[15] = _mm_srai_epi32(u[15], DCT_CONST_BITS); s[0] = _mm_packs_epi32(u[0], u[1]); s[1] = _mm_packs_epi32(u[2], u[3]); s[2] = _mm_packs_epi32(u[4], u[5]); s[3] = _mm_packs_epi32(u[6], u[7]); s[4] = _mm_add_epi16(t[4], t[5]); s[5] = _mm_sub_epi16(t[4], t[5]); s[6] = _mm_sub_epi16(t[7], t[6]); s[7] = _mm_add_epi16(t[6], t[7]); s[8] = t[8]; s[15] = t[15]; s[9] = _mm_packs_epi32(u[8], u[9]); s[14] = _mm_packs_epi32(u[10], u[11]); s[10] = _mm_packs_epi32(u[12], u[13]); s[13] = _mm_packs_epi32(u[14], u[15]); s[11] = t[11]; s[12] = t[12]; // stage 5 t[0] = _mm_add_epi16(s[0], s[3]); t[1] = _mm_add_epi16(s[1], s[2]); t[2] = _mm_sub_epi16(s[1], s[2]); t[3] = _mm_sub_epi16(s[0], s[3]); t[4] = s[4]; t[7] = s[7]; u[0] = _mm_unpacklo_epi16(s[5], s[6]); u[1] = _mm_unpackhi_epi16(s[5], s[6]); v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16); v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16); v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16); v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); t[5] = _mm_packs_epi32(u[0], u[1]); t[6] = _mm_packs_epi32(u[2], u[3]); t[8] = _mm_add_epi16(s[8], s[11]); t[9] = _mm_add_epi16(s[9], s[10]); t[10] = _mm_sub_epi16(s[9], s[10]); t[11] = _mm_sub_epi16(s[8], s[11]); t[12] = _mm_sub_epi16(s[15], s[12]); t[13] = _mm_sub_epi16(s[14], s[13]); t[14] = _mm_add_epi16(s[13], s[14]); t[15] = _mm_add_epi16(s[12], s[15]); // stage 6 s[0] = _mm_add_epi16(t[0], t[7]); s[1] = _mm_add_epi16(t[1], t[6]); s[2] = _mm_add_epi16(t[2], t[5]); s[3] = _mm_add_epi16(t[3], t[4]); s[4] = _mm_sub_epi16(t[3], t[4]); s[5] = _mm_sub_epi16(t[2], t[5]); s[6] = _mm_sub_epi16(t[1], t[6]); s[7] = _mm_sub_epi16(t[0], t[7]); s[8] = t[8]; s[9] = t[9]; u[0] = _mm_unpacklo_epi16(t[10], t[13]); u[1] = _mm_unpackhi_epi16(t[10], t[13]); u[2] = _mm_unpacklo_epi16(t[11], t[12]); u[3] = _mm_unpackhi_epi16(t[11], t[12]); v[0] = _mm_madd_epi16(u[0], k__cospi_m16_p16); v[1] = _mm_madd_epi16(u[1], k__cospi_m16_p16); v[2] = _mm_madd_epi16(u[0], k__cospi_p16_p16); v[3] = _mm_madd_epi16(u[1], k__cospi_p16_p16); v[4] = _mm_madd_epi16(u[2], k__cospi_m16_p16); v[5] = _mm_madd_epi16(u[3], k__cospi_m16_p16); v[6] = _mm_madd_epi16(u[2], k__cospi_p16_p16); v[7] = _mm_madd_epi16(u[3], k__cospi_p16_p16); u[0] = _mm_add_epi32(v[0], k__DCT_CONST_ROUNDING); u[1] = _mm_add_epi32(v[1], k__DCT_CONST_ROUNDING); u[2] = _mm_add_epi32(v[2], k__DCT_CONST_ROUNDING); u[3] = _mm_add_epi32(v[3], k__DCT_CONST_ROUNDING); u[4] = _mm_add_epi32(v[4], k__DCT_CONST_ROUNDING); u[5] = _mm_add_epi32(v[5], k__DCT_CONST_ROUNDING); u[6] = _mm_add_epi32(v[6], k__DCT_CONST_ROUNDING); u[7] = _mm_add_epi32(v[7], k__DCT_CONST_ROUNDING); u[0] = _mm_srai_epi32(u[0], DCT_CONST_BITS); u[1] = _mm_srai_epi32(u[1], DCT_CONST_BITS); u[2] = _mm_srai_epi32(u[2], DCT_CONST_BITS); u[3] = _mm_srai_epi32(u[3], DCT_CONST_BITS); u[4] = _mm_srai_epi32(u[4], DCT_CONST_BITS); u[5] = _mm_srai_epi32(u[5], DCT_CONST_BITS); u[6] = _mm_srai_epi32(u[6], DCT_CONST_BITS); u[7] = _mm_srai_epi32(u[7], DCT_CONST_BITS); s[10] = _mm_packs_epi32(u[0], u[1]); s[13] = _mm_packs_epi32(u[2], u[3]); s[11] = _mm_packs_epi32(u[4], u[5]); s[12] = _mm_packs_epi32(u[6], u[7]); s[14] = t[14]; s[15] = t[15]; // stage 7 in[0] = _mm_add_epi16(s[0], s[15]); in[1] = _mm_add_epi16(s[1], s[14]); in[2] = _mm_add_epi16(s[2], s[13]); in[3] = _mm_add_epi16(s[3], s[12]); in[4] = _mm_add_epi16(s[4], s[11]); in[5] = _mm_add_epi16(s[5], s[10]); in[6] = _mm_add_epi16(s[6], s[9]); in[7] = _mm_add_epi16(s[7], s[8]); in[8] = _mm_sub_epi16(s[7], s[8]); in[9] = _mm_sub_epi16(s[6], s[9]); in[10] = _mm_sub_epi16(s[5], s[10]); in[11] = _mm_sub_epi16(s[4], s[11]); in[12] = _mm_sub_epi16(s[3], s[12]); in[13] = _mm_sub_epi16(s[2], s[13]); in[14] = _mm_sub_epi16(s[1], s[14]); in[15] = _mm_sub_epi16(s[0], s[15]); } void idct16_sse2(__m128i *in0, __m128i *in1) { array_transpose_16x16(in0, in1); idct16_8col(in0); idct16_8col(in1); } void iadst16_sse2(__m128i *in0, __m128i *in1) { array_transpose_16x16(in0, in1); iadst16_8col(in0); iadst16_8col(in1); } void vpx_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i final_rounding = _mm_set1_epi16(1 << 5); const __m128i zero = _mm_setzero_si128(); const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64); const __m128i stg4_7 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64); __m128i in[16], l[16]; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15, stp1_8_0, stp1_12_0; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7, stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; int i; // First 1-D inverse DCT // Load input data. in[0] = load_input_data(input); in[1] = load_input_data(input + 8 * 2); in[2] = load_input_data(input + 8 * 4); in[3] = load_input_data(input + 8 * 6); TRANSPOSE_8X4(in[0], in[1], in[2], in[3], in[0], in[1]); // Stage2 { const __m128i lo_1_15 = _mm_unpackhi_epi16(in[0], zero); const __m128i lo_13_3 = _mm_unpackhi_epi16(zero, in[1]); tmp0 = _mm_madd_epi16(lo_1_15, stg2_0); tmp2 = _mm_madd_epi16(lo_1_15, stg2_1); tmp5 = _mm_madd_epi16(lo_13_3, stg2_6); tmp7 = _mm_madd_epi16(lo_13_3, stg2_7); tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp5 = _mm_add_epi32(tmp5, rounding); tmp7 = _mm_add_epi32(tmp7, rounding); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); stp2_8 = _mm_packs_epi32(tmp0, tmp2); stp2_11 = _mm_packs_epi32(tmp5, tmp7); } // Stage3 { const __m128i lo_2_14 = _mm_unpacklo_epi16(in[1], zero); tmp0 = _mm_madd_epi16(lo_2_14, stg3_0); tmp2 = _mm_madd_epi16(lo_2_14, stg3_1); tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); stp1_13 = _mm_unpackhi_epi64(stp2_11, zero); stp1_14 = _mm_unpackhi_epi64(stp2_8, zero); stp1_4 = _mm_packs_epi32(tmp0, tmp2); } // Stage4 { const __m128i lo_0_8 = _mm_unpacklo_epi16(in[0], zero); const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp1_14); const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp1_13); tmp0 = _mm_madd_epi16(lo_0_8, stg4_0); tmp2 = _mm_madd_epi16(lo_0_8, stg4_1); tmp1 = _mm_madd_epi16(lo_9_14, stg4_4); tmp3 = _mm_madd_epi16(lo_9_14, stg4_5); tmp5 = _mm_madd_epi16(lo_10_13, stg4_6); tmp7 = _mm_madd_epi16(lo_10_13, stg4_7); tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp1 = _mm_add_epi32(tmp1, rounding); tmp3 = _mm_add_epi32(tmp3, rounding); tmp5 = _mm_add_epi32(tmp5, rounding); tmp7 = _mm_add_epi32(tmp7, rounding); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); tmp5 = _mm_srai_epi32(tmp5, DCT_CONST_BITS); tmp7 = _mm_srai_epi32(tmp7, DCT_CONST_BITS); stp1_0 = _mm_packs_epi32(tmp0, tmp0); stp1_1 = _mm_packs_epi32(tmp2, tmp2); stp2_9 = _mm_packs_epi32(tmp1, tmp3); stp2_10 = _mm_packs_epi32(tmp5, tmp7); stp2_6 = _mm_unpackhi_epi64(stp1_4, zero); } // Stage5 and Stage6 { tmp0 = _mm_add_epi16(stp2_8, stp2_11); tmp1 = _mm_sub_epi16(stp2_8, stp2_11); tmp2 = _mm_add_epi16(stp2_9, stp2_10); tmp3 = _mm_sub_epi16(stp2_9, stp2_10); stp1_9 = _mm_unpacklo_epi64(tmp2, zero); stp1_10 = _mm_unpacklo_epi64(tmp3, zero); stp1_8 = _mm_unpacklo_epi64(tmp0, zero); stp1_11 = _mm_unpacklo_epi64(tmp1, zero); stp1_13 = _mm_unpackhi_epi64(tmp3, zero); stp1_14 = _mm_unpackhi_epi64(tmp2, zero); stp1_12 = _mm_unpackhi_epi64(tmp1, zero); stp1_15 = _mm_unpackhi_epi64(tmp0, zero); } // Stage6 { const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp1_4); const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); tmp1 = _mm_madd_epi16(lo_6_5, stg4_1); tmp3 = _mm_madd_epi16(lo_6_5, stg4_0); tmp0 = _mm_madd_epi16(lo_10_13, stg6_0); tmp2 = _mm_madd_epi16(lo_10_13, stg4_0); tmp4 = _mm_madd_epi16(lo_11_12, stg6_0); tmp6 = _mm_madd_epi16(lo_11_12, stg4_0); tmp1 = _mm_add_epi32(tmp1, rounding); tmp3 = _mm_add_epi32(tmp3, rounding); tmp0 = _mm_add_epi32(tmp0, rounding); tmp2 = _mm_add_epi32(tmp2, rounding); tmp4 = _mm_add_epi32(tmp4, rounding); tmp6 = _mm_add_epi32(tmp6, rounding); tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); tmp4 = _mm_srai_epi32(tmp4, DCT_CONST_BITS); tmp6 = _mm_srai_epi32(tmp6, DCT_CONST_BITS); stp1_6 = _mm_packs_epi32(tmp3, tmp1); stp2_10 = _mm_packs_epi32(tmp0, zero); stp2_13 = _mm_packs_epi32(tmp2, zero); stp2_11 = _mm_packs_epi32(tmp4, zero); stp2_12 = _mm_packs_epi32(tmp6, zero); tmp0 = _mm_add_epi16(stp1_0, stp1_4); tmp1 = _mm_sub_epi16(stp1_0, stp1_4); tmp2 = _mm_add_epi16(stp1_1, stp1_6); tmp3 = _mm_sub_epi16(stp1_1, stp1_6); stp2_0 = _mm_unpackhi_epi64(tmp0, zero); stp2_1 = _mm_unpacklo_epi64(tmp2, zero); stp2_2 = _mm_unpackhi_epi64(tmp2, zero); stp2_3 = _mm_unpacklo_epi64(tmp0, zero); stp2_4 = _mm_unpacklo_epi64(tmp1, zero); stp2_5 = _mm_unpackhi_epi64(tmp3, zero); stp2_6 = _mm_unpacklo_epi64(tmp3, zero); stp2_7 = _mm_unpackhi_epi64(tmp1, zero); } // Stage7. Left 8x16 only. l[0] = _mm_add_epi16(stp2_0, stp1_15); l[1] = _mm_add_epi16(stp2_1, stp1_14); l[2] = _mm_add_epi16(stp2_2, stp2_13); l[3] = _mm_add_epi16(stp2_3, stp2_12); l[4] = _mm_add_epi16(stp2_4, stp2_11); l[5] = _mm_add_epi16(stp2_5, stp2_10); l[6] = _mm_add_epi16(stp2_6, stp1_9); l[7] = _mm_add_epi16(stp2_7, stp1_8); l[8] = _mm_sub_epi16(stp2_7, stp1_8); l[9] = _mm_sub_epi16(stp2_6, stp1_9); l[10] = _mm_sub_epi16(stp2_5, stp2_10); l[11] = _mm_sub_epi16(stp2_4, stp2_11); l[12] = _mm_sub_epi16(stp2_3, stp2_12); l[13] = _mm_sub_epi16(stp2_2, stp2_13); l[14] = _mm_sub_epi16(stp2_1, stp1_14); l[15] = _mm_sub_epi16(stp2_0, stp1_15); // Second 1-D inverse transform, performed per 8x16 block for (i = 0; i < 2; i++) { int j; array_transpose_4X8(l + 8 * i, in); IDCT16_10 // Stage7 in[0] = _mm_add_epi16(stp2_0, stp1_15); in[1] = _mm_add_epi16(stp2_1, stp1_14); in[2] = _mm_add_epi16(stp2_2, stp2_13); in[3] = _mm_add_epi16(stp2_3, stp2_12); in[4] = _mm_add_epi16(stp2_4, stp2_11); in[5] = _mm_add_epi16(stp2_5, stp2_10); in[6] = _mm_add_epi16(stp2_6, stp1_9); in[7] = _mm_add_epi16(stp2_7, stp1_8); in[8] = _mm_sub_epi16(stp2_7, stp1_8); in[9] = _mm_sub_epi16(stp2_6, stp1_9); in[10] = _mm_sub_epi16(stp2_5, stp2_10); in[11] = _mm_sub_epi16(stp2_4, stp2_11); in[12] = _mm_sub_epi16(stp2_3, stp2_12); in[13] = _mm_sub_epi16(stp2_2, stp2_13); in[14] = _mm_sub_epi16(stp2_1, stp1_14); in[15] = _mm_sub_epi16(stp2_0, stp1_15); for (j = 0; j < 16; ++j) { // Final rounding and shift in[j] = _mm_adds_epi16(in[j], final_rounding); in[j] = _mm_srai_epi16(in[j], 6); RECON_AND_STORE(dest + j * stride, in[j]); } dest += 8; } } #define LOAD_DQCOEFF(reg, input) \ { \ reg = load_input_data(input); \ input += 8; \ } \ #define IDCT32_34 \ /* Stage1 */ \ { \ const __m128i zero = _mm_setzero_si128();\ const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], zero); \ const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], zero); \ \ const __m128i lo_25_7= _mm_unpacklo_epi16(zero, in[7]); \ const __m128i hi_25_7 = _mm_unpackhi_epi16(zero, in[7]); \ \ const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], zero); \ const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], zero); \ \ const __m128i lo_29_3 = _mm_unpacklo_epi16(zero, in[3]); \ const __m128i hi_29_3 = _mm_unpackhi_epi16(zero, in[3]); \ \ MULTIPLICATION_AND_ADD_2(lo_1_31, hi_1_31, stg1_0, \ stg1_1, stp1_16, stp1_31); \ MULTIPLICATION_AND_ADD_2(lo_25_7, hi_25_7, stg1_6, \ stg1_7, stp1_19, stp1_28); \ MULTIPLICATION_AND_ADD_2(lo_5_27, hi_5_27, stg1_8, \ stg1_9, stp1_20, stp1_27); \ MULTIPLICATION_AND_ADD_2(lo_29_3, hi_29_3, stg1_14, \ stg1_15, stp1_23, stp1_24); \ } \ \ /* Stage2 */ \ { \ const __m128i zero = _mm_setzero_si128();\ const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], zero); \ const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], zero); \ \ const __m128i lo_26_6 = _mm_unpacklo_epi16(zero, in[6]); \ const __m128i hi_26_6 = _mm_unpackhi_epi16(zero, in[6]); \ \ MULTIPLICATION_AND_ADD_2(lo_2_30, hi_2_30, stg2_0, \ stg2_1, stp2_8, stp2_15); \ MULTIPLICATION_AND_ADD_2(lo_26_6, hi_26_6, stg2_6, \ stg2_7, stp2_11, stp2_12); \ \ stp2_16 = stp1_16; \ stp2_19 = stp1_19; \ \ stp2_20 = stp1_20; \ stp2_23 = stp1_23; \ \ stp2_24 = stp1_24; \ stp2_27 = stp1_27; \ \ stp2_28 = stp1_28; \ stp2_31 = stp1_31; \ } \ \ /* Stage3 */ \ { \ const __m128i zero = _mm_setzero_si128();\ const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], zero); \ const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], zero); \ \ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp1_16, stp1_31); \ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp1_16, stp1_31); \ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp1_19, stp1_28); \ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp1_19, stp1_28); \ \ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp1_20, stp1_27); \ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp1_20, stp1_27); \ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp1_23, stp1_24); \ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp1_23, stp2_24); \ \ MULTIPLICATION_AND_ADD_2(lo_4_28, hi_4_28, stg3_0, \ stg3_1, stp1_4, stp1_7); \ \ stp1_8 = stp2_8; \ stp1_11 = stp2_11; \ stp1_12 = stp2_12; \ stp1_15 = stp2_15; \ \ MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \ stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \ stp1_18, stp1_29) \ MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \ stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \ stp1_22, stp1_25) \ \ stp1_16 = stp2_16; \ stp1_31 = stp2_31; \ stp1_19 = stp2_19; \ stp1_20 = stp2_20; \ stp1_23 = stp2_23; \ stp1_24 = stp2_24; \ stp1_27 = stp2_27; \ stp1_28 = stp2_28; \ } \ \ /* Stage4 */ \ { \ const __m128i zero = _mm_setzero_si128();\ const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], zero); \ const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], zero); \ \ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp2_8, stp2_15); \ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp2_8, stp2_15); \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp2_11, stp2_12); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp2_11, stp2_12); \ \ MULTIPLICATION_AND_ADD_2(lo_0_16, hi_0_16, stg4_0, \ stg4_1, stp2_0, stp2_1); \ \ stp2_4 = stp1_4; \ stp2_5 = stp1_4; \ stp2_6 = stp1_7; \ stp2_7 = stp1_7; \ \ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \ stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \ stp2_10, stp2_13) \ \ stp2_8 = stp1_8; \ stp2_15 = stp1_15; \ stp2_11 = stp1_11; \ stp2_12 = stp1_12; \ \ stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \ stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \ stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \ stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \ stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \ stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \ stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \ stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \ \ stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \ stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \ stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \ stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \ stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \ stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \ stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \ stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \ } \ \ /* Stage5 */ \ { \ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \ \ const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \ const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \ \ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \ \ stp1_0 = stp2_0; \ stp1_1 = stp2_1; \ stp1_2 = stp2_1; \ stp1_3 = stp2_0; \ \ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ \ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \ \ stp1_4 = stp2_4; \ stp1_7 = stp2_7; \ \ stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \ stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \ stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \ stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \ \ stp1_16 = stp2_16; \ stp1_17 = stp2_17; \ \ MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \ stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \ stp1_19, stp1_28) \ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \ stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \ stp1_21, stp1_26) \ \ stp1_22 = stp2_22; \ stp1_23 = stp2_23; \ stp1_24 = stp2_24; \ stp1_25 = stp2_25; \ stp1_30 = stp2_30; \ stp1_31 = stp2_31; \ } \ \ /* Stage6 */ \ { \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \ \ stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \ stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \ stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \ stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \ \ stp2_8 = stp1_8; \ stp2_9 = stp1_9; \ stp2_14 = stp1_14; \ stp2_15 = stp1_15; \ \ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \ stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \ stp2_13, stp2_11, stp2_12) \ \ stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \ stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \ stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \ stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \ stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \ stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \ stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \ stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \ \ stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \ stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \ stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \ stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \ stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \ stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \ stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \ stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \ } \ \ /* Stage7 */ \ { \ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \ \ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \ const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \ const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \ \ stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \ stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \ stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \ stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \ stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \ stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \ stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \ stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \ stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \ stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \ stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \ stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \ stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \ stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \ stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \ stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \ \ stp1_16 = stp2_16; \ stp1_17 = stp2_17; \ stp1_18 = stp2_18; \ stp1_19 = stp2_19; \ \ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \ stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \ stp1_21, stp1_26) \ MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \ stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \ stp1_23, stp1_24) \ \ stp1_28 = stp2_28; \ stp1_29 = stp2_29; \ stp1_30 = stp2_30; \ stp1_31 = stp2_31; \ } #define IDCT32 \ /* Stage1 */ \ { \ const __m128i lo_1_31 = _mm_unpacklo_epi16(in[1], in[31]); \ const __m128i hi_1_31 = _mm_unpackhi_epi16(in[1], in[31]); \ const __m128i lo_17_15 = _mm_unpacklo_epi16(in[17], in[15]); \ const __m128i hi_17_15 = _mm_unpackhi_epi16(in[17], in[15]); \ \ const __m128i lo_9_23 = _mm_unpacklo_epi16(in[9], in[23]); \ const __m128i hi_9_23 = _mm_unpackhi_epi16(in[9], in[23]); \ const __m128i lo_25_7= _mm_unpacklo_epi16(in[25], in[7]); \ const __m128i hi_25_7 = _mm_unpackhi_epi16(in[25], in[7]); \ \ const __m128i lo_5_27 = _mm_unpacklo_epi16(in[5], in[27]); \ const __m128i hi_5_27 = _mm_unpackhi_epi16(in[5], in[27]); \ const __m128i lo_21_11 = _mm_unpacklo_epi16(in[21], in[11]); \ const __m128i hi_21_11 = _mm_unpackhi_epi16(in[21], in[11]); \ \ const __m128i lo_13_19 = _mm_unpacklo_epi16(in[13], in[19]); \ const __m128i hi_13_19 = _mm_unpackhi_epi16(in[13], in[19]); \ const __m128i lo_29_3 = _mm_unpacklo_epi16(in[29], in[3]); \ const __m128i hi_29_3 = _mm_unpackhi_epi16(in[29], in[3]); \ \ MULTIPLICATION_AND_ADD(lo_1_31, hi_1_31, lo_17_15, hi_17_15, stg1_0, \ stg1_1, stg1_2, stg1_3, stp1_16, stp1_31, \ stp1_17, stp1_30) \ MULTIPLICATION_AND_ADD(lo_9_23, hi_9_23, lo_25_7, hi_25_7, stg1_4, \ stg1_5, stg1_6, stg1_7, stp1_18, stp1_29, \ stp1_19, stp1_28) \ MULTIPLICATION_AND_ADD(lo_5_27, hi_5_27, lo_21_11, hi_21_11, stg1_8, \ stg1_9, stg1_10, stg1_11, stp1_20, stp1_27, \ stp1_21, stp1_26) \ MULTIPLICATION_AND_ADD(lo_13_19, hi_13_19, lo_29_3, hi_29_3, stg1_12, \ stg1_13, stg1_14, stg1_15, stp1_22, stp1_25, \ stp1_23, stp1_24) \ } \ \ /* Stage2 */ \ { \ const __m128i lo_2_30 = _mm_unpacklo_epi16(in[2], in[30]); \ const __m128i hi_2_30 = _mm_unpackhi_epi16(in[2], in[30]); \ const __m128i lo_18_14 = _mm_unpacklo_epi16(in[18], in[14]); \ const __m128i hi_18_14 = _mm_unpackhi_epi16(in[18], in[14]); \ \ const __m128i lo_10_22 = _mm_unpacklo_epi16(in[10], in[22]); \ const __m128i hi_10_22 = _mm_unpackhi_epi16(in[10], in[22]); \ const __m128i lo_26_6 = _mm_unpacklo_epi16(in[26], in[6]); \ const __m128i hi_26_6 = _mm_unpackhi_epi16(in[26], in[6]); \ \ MULTIPLICATION_AND_ADD(lo_2_30, hi_2_30, lo_18_14, hi_18_14, stg2_0, \ stg2_1, stg2_2, stg2_3, stp2_8, stp2_15, stp2_9, \ stp2_14) \ MULTIPLICATION_AND_ADD(lo_10_22, hi_10_22, lo_26_6, hi_26_6, stg2_4, \ stg2_5, stg2_6, stg2_7, stp2_10, stp2_13, \ stp2_11, stp2_12) \ \ stp2_16 = _mm_add_epi16(stp1_16, stp1_17); \ stp2_17 = _mm_sub_epi16(stp1_16, stp1_17); \ stp2_18 = _mm_sub_epi16(stp1_19, stp1_18); \ stp2_19 = _mm_add_epi16(stp1_19, stp1_18); \ \ stp2_20 = _mm_add_epi16(stp1_20, stp1_21); \ stp2_21 = _mm_sub_epi16(stp1_20, stp1_21); \ stp2_22 = _mm_sub_epi16(stp1_23, stp1_22); \ stp2_23 = _mm_add_epi16(stp1_23, stp1_22); \ \ stp2_24 = _mm_add_epi16(stp1_24, stp1_25); \ stp2_25 = _mm_sub_epi16(stp1_24, stp1_25); \ stp2_26 = _mm_sub_epi16(stp1_27, stp1_26); \ stp2_27 = _mm_add_epi16(stp1_27, stp1_26); \ \ stp2_28 = _mm_add_epi16(stp1_28, stp1_29); \ stp2_29 = _mm_sub_epi16(stp1_28, stp1_29); \ stp2_30 = _mm_sub_epi16(stp1_31, stp1_30); \ stp2_31 = _mm_add_epi16(stp1_31, stp1_30); \ } \ \ /* Stage3 */ \ { \ const __m128i lo_4_28 = _mm_unpacklo_epi16(in[4], in[28]); \ const __m128i hi_4_28 = _mm_unpackhi_epi16(in[4], in[28]); \ const __m128i lo_20_12 = _mm_unpacklo_epi16(in[20], in[12]); \ const __m128i hi_20_12 = _mm_unpackhi_epi16(in[20], in[12]); \ \ const __m128i lo_17_30 = _mm_unpacklo_epi16(stp2_17, stp2_30); \ const __m128i hi_17_30 = _mm_unpackhi_epi16(stp2_17, stp2_30); \ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \ \ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \ \ MULTIPLICATION_AND_ADD(lo_4_28, hi_4_28, lo_20_12, hi_20_12, stg3_0, \ stg3_1, stg3_2, stg3_3, stp1_4, stp1_7, stp1_5, \ stp1_6) \ \ stp1_8 = _mm_add_epi16(stp2_8, stp2_9); \ stp1_9 = _mm_sub_epi16(stp2_8, stp2_9); \ stp1_10 = _mm_sub_epi16(stp2_11, stp2_10); \ stp1_11 = _mm_add_epi16(stp2_11, stp2_10); \ stp1_12 = _mm_add_epi16(stp2_12, stp2_13); \ stp1_13 = _mm_sub_epi16(stp2_12, stp2_13); \ stp1_14 = _mm_sub_epi16(stp2_15, stp2_14); \ stp1_15 = _mm_add_epi16(stp2_15, stp2_14); \ \ MULTIPLICATION_AND_ADD(lo_17_30, hi_17_30, lo_18_29, hi_18_29, stg3_4, \ stg3_5, stg3_6, stg3_4, stp1_17, stp1_30, \ stp1_18, stp1_29) \ MULTIPLICATION_AND_ADD(lo_21_26, hi_21_26, lo_22_25, hi_22_25, stg3_8, \ stg3_9, stg3_10, stg3_8, stp1_21, stp1_26, \ stp1_22, stp1_25) \ \ stp1_16 = stp2_16; \ stp1_31 = stp2_31; \ stp1_19 = stp2_19; \ stp1_20 = stp2_20; \ stp1_23 = stp2_23; \ stp1_24 = stp2_24; \ stp1_27 = stp2_27; \ stp1_28 = stp2_28; \ } \ \ /* Stage4 */ \ { \ const __m128i lo_0_16 = _mm_unpacklo_epi16(in[0], in[16]); \ const __m128i hi_0_16 = _mm_unpackhi_epi16(in[0], in[16]); \ const __m128i lo_8_24 = _mm_unpacklo_epi16(in[8], in[24]); \ const __m128i hi_8_24 = _mm_unpackhi_epi16(in[8], in[24]); \ \ const __m128i lo_9_14 = _mm_unpacklo_epi16(stp1_9, stp1_14); \ const __m128i hi_9_14 = _mm_unpackhi_epi16(stp1_9, stp1_14); \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ \ MULTIPLICATION_AND_ADD(lo_0_16, hi_0_16, lo_8_24, hi_8_24, stg4_0, \ stg4_1, stg4_2, stg4_3, stp2_0, stp2_1, \ stp2_2, stp2_3) \ \ stp2_4 = _mm_add_epi16(stp1_4, stp1_5); \ stp2_5 = _mm_sub_epi16(stp1_4, stp1_5); \ stp2_6 = _mm_sub_epi16(stp1_7, stp1_6); \ stp2_7 = _mm_add_epi16(stp1_7, stp1_6); \ \ MULTIPLICATION_AND_ADD(lo_9_14, hi_9_14, lo_10_13, hi_10_13, stg4_4, \ stg4_5, stg4_6, stg4_4, stp2_9, stp2_14, \ stp2_10, stp2_13) \ \ stp2_8 = stp1_8; \ stp2_15 = stp1_15; \ stp2_11 = stp1_11; \ stp2_12 = stp1_12; \ \ stp2_16 = _mm_add_epi16(stp1_16, stp1_19); \ stp2_17 = _mm_add_epi16(stp1_17, stp1_18); \ stp2_18 = _mm_sub_epi16(stp1_17, stp1_18); \ stp2_19 = _mm_sub_epi16(stp1_16, stp1_19); \ stp2_20 = _mm_sub_epi16(stp1_23, stp1_20); \ stp2_21 = _mm_sub_epi16(stp1_22, stp1_21); \ stp2_22 = _mm_add_epi16(stp1_22, stp1_21); \ stp2_23 = _mm_add_epi16(stp1_23, stp1_20); \ \ stp2_24 = _mm_add_epi16(stp1_24, stp1_27); \ stp2_25 = _mm_add_epi16(stp1_25, stp1_26); \ stp2_26 = _mm_sub_epi16(stp1_25, stp1_26); \ stp2_27 = _mm_sub_epi16(stp1_24, stp1_27); \ stp2_28 = _mm_sub_epi16(stp1_31, stp1_28); \ stp2_29 = _mm_sub_epi16(stp1_30, stp1_29); \ stp2_30 = _mm_add_epi16(stp1_29, stp1_30); \ stp2_31 = _mm_add_epi16(stp1_28, stp1_31); \ } \ \ /* Stage5 */ \ { \ const __m128i lo_6_5 = _mm_unpacklo_epi16(stp2_6, stp2_5); \ const __m128i hi_6_5 = _mm_unpackhi_epi16(stp2_6, stp2_5); \ const __m128i lo_18_29 = _mm_unpacklo_epi16(stp2_18, stp2_29); \ const __m128i hi_18_29 = _mm_unpackhi_epi16(stp2_18, stp2_29); \ \ const __m128i lo_19_28 = _mm_unpacklo_epi16(stp2_19, stp2_28); \ const __m128i hi_19_28 = _mm_unpackhi_epi16(stp2_19, stp2_28); \ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \ \ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \ \ stp1_0 = _mm_add_epi16(stp2_0, stp2_3); \ stp1_1 = _mm_add_epi16(stp2_1, stp2_2); \ stp1_2 = _mm_sub_epi16(stp2_1, stp2_2); \ stp1_3 = _mm_sub_epi16(stp2_0, stp2_3); \ \ tmp0 = _mm_madd_epi16(lo_6_5, stg4_1); \ tmp1 = _mm_madd_epi16(hi_6_5, stg4_1); \ tmp2 = _mm_madd_epi16(lo_6_5, stg4_0); \ tmp3 = _mm_madd_epi16(hi_6_5, stg4_0); \ \ tmp0 = _mm_add_epi32(tmp0, rounding); \ tmp1 = _mm_add_epi32(tmp1, rounding); \ tmp2 = _mm_add_epi32(tmp2, rounding); \ tmp3 = _mm_add_epi32(tmp3, rounding); \ \ tmp0 = _mm_srai_epi32(tmp0, DCT_CONST_BITS); \ tmp1 = _mm_srai_epi32(tmp1, DCT_CONST_BITS); \ tmp2 = _mm_srai_epi32(tmp2, DCT_CONST_BITS); \ tmp3 = _mm_srai_epi32(tmp3, DCT_CONST_BITS); \ \ stp1_5 = _mm_packs_epi32(tmp0, tmp1); \ stp1_6 = _mm_packs_epi32(tmp2, tmp3); \ \ stp1_4 = stp2_4; \ stp1_7 = stp2_7; \ \ stp1_8 = _mm_add_epi16(stp2_8, stp2_11); \ stp1_9 = _mm_add_epi16(stp2_9, stp2_10); \ stp1_10 = _mm_sub_epi16(stp2_9, stp2_10); \ stp1_11 = _mm_sub_epi16(stp2_8, stp2_11); \ stp1_12 = _mm_sub_epi16(stp2_15, stp2_12); \ stp1_13 = _mm_sub_epi16(stp2_14, stp2_13); \ stp1_14 = _mm_add_epi16(stp2_14, stp2_13); \ stp1_15 = _mm_add_epi16(stp2_15, stp2_12); \ \ stp1_16 = stp2_16; \ stp1_17 = stp2_17; \ \ MULTIPLICATION_AND_ADD(lo_18_29, hi_18_29, lo_19_28, hi_19_28, stg4_4, \ stg4_5, stg4_4, stg4_5, stp1_18, stp1_29, \ stp1_19, stp1_28) \ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg4_6, \ stg4_4, stg4_6, stg4_4, stp1_20, stp1_27, \ stp1_21, stp1_26) \ \ stp1_22 = stp2_22; \ stp1_23 = stp2_23; \ stp1_24 = stp2_24; \ stp1_25 = stp2_25; \ stp1_30 = stp2_30; \ stp1_31 = stp2_31; \ } \ \ /* Stage6 */ \ { \ const __m128i lo_10_13 = _mm_unpacklo_epi16(stp1_10, stp1_13); \ const __m128i hi_10_13 = _mm_unpackhi_epi16(stp1_10, stp1_13); \ const __m128i lo_11_12 = _mm_unpacklo_epi16(stp1_11, stp1_12); \ const __m128i hi_11_12 = _mm_unpackhi_epi16(stp1_11, stp1_12); \ \ stp2_0 = _mm_add_epi16(stp1_0, stp1_7); \ stp2_1 = _mm_add_epi16(stp1_1, stp1_6); \ stp2_2 = _mm_add_epi16(stp1_2, stp1_5); \ stp2_3 = _mm_add_epi16(stp1_3, stp1_4); \ stp2_4 = _mm_sub_epi16(stp1_3, stp1_4); \ stp2_5 = _mm_sub_epi16(stp1_2, stp1_5); \ stp2_6 = _mm_sub_epi16(stp1_1, stp1_6); \ stp2_7 = _mm_sub_epi16(stp1_0, stp1_7); \ \ stp2_8 = stp1_8; \ stp2_9 = stp1_9; \ stp2_14 = stp1_14; \ stp2_15 = stp1_15; \ \ MULTIPLICATION_AND_ADD(lo_10_13, hi_10_13, lo_11_12, hi_11_12, \ stg6_0, stg4_0, stg6_0, stg4_0, stp2_10, \ stp2_13, stp2_11, stp2_12) \ \ stp2_16 = _mm_add_epi16(stp1_16, stp1_23); \ stp2_17 = _mm_add_epi16(stp1_17, stp1_22); \ stp2_18 = _mm_add_epi16(stp1_18, stp1_21); \ stp2_19 = _mm_add_epi16(stp1_19, stp1_20); \ stp2_20 = _mm_sub_epi16(stp1_19, stp1_20); \ stp2_21 = _mm_sub_epi16(stp1_18, stp1_21); \ stp2_22 = _mm_sub_epi16(stp1_17, stp1_22); \ stp2_23 = _mm_sub_epi16(stp1_16, stp1_23); \ \ stp2_24 = _mm_sub_epi16(stp1_31, stp1_24); \ stp2_25 = _mm_sub_epi16(stp1_30, stp1_25); \ stp2_26 = _mm_sub_epi16(stp1_29, stp1_26); \ stp2_27 = _mm_sub_epi16(stp1_28, stp1_27); \ stp2_28 = _mm_add_epi16(stp1_27, stp1_28); \ stp2_29 = _mm_add_epi16(stp1_26, stp1_29); \ stp2_30 = _mm_add_epi16(stp1_25, stp1_30); \ stp2_31 = _mm_add_epi16(stp1_24, stp1_31); \ } \ \ /* Stage7 */ \ { \ const __m128i lo_20_27 = _mm_unpacklo_epi16(stp2_20, stp2_27); \ const __m128i hi_20_27 = _mm_unpackhi_epi16(stp2_20, stp2_27); \ const __m128i lo_21_26 = _mm_unpacklo_epi16(stp2_21, stp2_26); \ const __m128i hi_21_26 = _mm_unpackhi_epi16(stp2_21, stp2_26); \ \ const __m128i lo_22_25 = _mm_unpacklo_epi16(stp2_22, stp2_25); \ const __m128i hi_22_25 = _mm_unpackhi_epi16(stp2_22, stp2_25); \ const __m128i lo_23_24 = _mm_unpacklo_epi16(stp2_23, stp2_24); \ const __m128i hi_23_24 = _mm_unpackhi_epi16(stp2_23, stp2_24); \ \ stp1_0 = _mm_add_epi16(stp2_0, stp2_15); \ stp1_1 = _mm_add_epi16(stp2_1, stp2_14); \ stp1_2 = _mm_add_epi16(stp2_2, stp2_13); \ stp1_3 = _mm_add_epi16(stp2_3, stp2_12); \ stp1_4 = _mm_add_epi16(stp2_4, stp2_11); \ stp1_5 = _mm_add_epi16(stp2_5, stp2_10); \ stp1_6 = _mm_add_epi16(stp2_6, stp2_9); \ stp1_7 = _mm_add_epi16(stp2_7, stp2_8); \ stp1_8 = _mm_sub_epi16(stp2_7, stp2_8); \ stp1_9 = _mm_sub_epi16(stp2_6, stp2_9); \ stp1_10 = _mm_sub_epi16(stp2_5, stp2_10); \ stp1_11 = _mm_sub_epi16(stp2_4, stp2_11); \ stp1_12 = _mm_sub_epi16(stp2_3, stp2_12); \ stp1_13 = _mm_sub_epi16(stp2_2, stp2_13); \ stp1_14 = _mm_sub_epi16(stp2_1, stp2_14); \ stp1_15 = _mm_sub_epi16(stp2_0, stp2_15); \ \ stp1_16 = stp2_16; \ stp1_17 = stp2_17; \ stp1_18 = stp2_18; \ stp1_19 = stp2_19; \ \ MULTIPLICATION_AND_ADD(lo_20_27, hi_20_27, lo_21_26, hi_21_26, stg6_0, \ stg4_0, stg6_0, stg4_0, stp1_20, stp1_27, \ stp1_21, stp1_26) \ MULTIPLICATION_AND_ADD(lo_22_25, hi_22_25, lo_23_24, hi_23_24, stg6_0, \ stg4_0, stg6_0, stg4_0, stp1_22, stp1_25, \ stp1_23, stp1_24) \ \ stp1_28 = stp2_28; \ stp1_29 = stp2_29; \ stp1_30 = stp2_30; \ stp1_31 = stp2_31; \ } // Only upper-left 8x8 has non-zero coeff void vpx_idct32x32_34_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i final_rounding = _mm_set1_epi16(1<<5); // idct constants for each stage const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64); const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64); const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64); const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64); const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64); const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64); const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64); const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64); const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64); const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64); const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64); const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64); __m128i in[32], col[32]; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7, stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15, stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22, stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29, stp1_30, stp1_31; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7, stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15, stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22, stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29, stp2_30, stp2_31; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; int i; // Load input data. Only need to load the top left 8x8 block. in[0] = load_input_data(input); in[1] = load_input_data(input + 32); in[2] = load_input_data(input + 64); in[3] = load_input_data(input + 96); in[4] = load_input_data(input + 128); in[5] = load_input_data(input + 160); in[6] = load_input_data(input + 192); in[7] = load_input_data(input + 224); for (i = 8; i < 32; ++i) { in[i] = _mm_setzero_si128(); } array_transpose_8x8(in, in); // TODO(hkuang): Following transposes are unnecessary. But remove them will // lead to performance drop on some devices. array_transpose_8x8(in + 8, in + 8); array_transpose_8x8(in + 16, in + 16); array_transpose_8x8(in + 24, in + 24); IDCT32_34 // 1_D: Store 32 intermediate results for each 8x32 block. col[0] = _mm_add_epi16(stp1_0, stp1_31); col[1] = _mm_add_epi16(stp1_1, stp1_30); col[2] = _mm_add_epi16(stp1_2, stp1_29); col[3] = _mm_add_epi16(stp1_3, stp1_28); col[4] = _mm_add_epi16(stp1_4, stp1_27); col[5] = _mm_add_epi16(stp1_5, stp1_26); col[6] = _mm_add_epi16(stp1_6, stp1_25); col[7] = _mm_add_epi16(stp1_7, stp1_24); col[8] = _mm_add_epi16(stp1_8, stp1_23); col[9] = _mm_add_epi16(stp1_9, stp1_22); col[10] = _mm_add_epi16(stp1_10, stp1_21); col[11] = _mm_add_epi16(stp1_11, stp1_20); col[12] = _mm_add_epi16(stp1_12, stp1_19); col[13] = _mm_add_epi16(stp1_13, stp1_18); col[14] = _mm_add_epi16(stp1_14, stp1_17); col[15] = _mm_add_epi16(stp1_15, stp1_16); col[16] = _mm_sub_epi16(stp1_15, stp1_16); col[17] = _mm_sub_epi16(stp1_14, stp1_17); col[18] = _mm_sub_epi16(stp1_13, stp1_18); col[19] = _mm_sub_epi16(stp1_12, stp1_19); col[20] = _mm_sub_epi16(stp1_11, stp1_20); col[21] = _mm_sub_epi16(stp1_10, stp1_21); col[22] = _mm_sub_epi16(stp1_9, stp1_22); col[23] = _mm_sub_epi16(stp1_8, stp1_23); col[24] = _mm_sub_epi16(stp1_7, stp1_24); col[25] = _mm_sub_epi16(stp1_6, stp1_25); col[26] = _mm_sub_epi16(stp1_5, stp1_26); col[27] = _mm_sub_epi16(stp1_4, stp1_27); col[28] = _mm_sub_epi16(stp1_3, stp1_28); col[29] = _mm_sub_epi16(stp1_2, stp1_29); col[30] = _mm_sub_epi16(stp1_1, stp1_30); col[31] = _mm_sub_epi16(stp1_0, stp1_31); for (i = 0; i < 4; i++) { int j; const __m128i zero = _mm_setzero_si128(); // Transpose 32x8 block to 8x32 block array_transpose_8x8(col + i * 8, in); IDCT32_34 // 2_D: Calculate the results and store them to destination. in[0] = _mm_add_epi16(stp1_0, stp1_31); in[1] = _mm_add_epi16(stp1_1, stp1_30); in[2] = _mm_add_epi16(stp1_2, stp1_29); in[3] = _mm_add_epi16(stp1_3, stp1_28); in[4] = _mm_add_epi16(stp1_4, stp1_27); in[5] = _mm_add_epi16(stp1_5, stp1_26); in[6] = _mm_add_epi16(stp1_6, stp1_25); in[7] = _mm_add_epi16(stp1_7, stp1_24); in[8] = _mm_add_epi16(stp1_8, stp1_23); in[9] = _mm_add_epi16(stp1_9, stp1_22); in[10] = _mm_add_epi16(stp1_10, stp1_21); in[11] = _mm_add_epi16(stp1_11, stp1_20); in[12] = _mm_add_epi16(stp1_12, stp1_19); in[13] = _mm_add_epi16(stp1_13, stp1_18); in[14] = _mm_add_epi16(stp1_14, stp1_17); in[15] = _mm_add_epi16(stp1_15, stp1_16); in[16] = _mm_sub_epi16(stp1_15, stp1_16); in[17] = _mm_sub_epi16(stp1_14, stp1_17); in[18] = _mm_sub_epi16(stp1_13, stp1_18); in[19] = _mm_sub_epi16(stp1_12, stp1_19); in[20] = _mm_sub_epi16(stp1_11, stp1_20); in[21] = _mm_sub_epi16(stp1_10, stp1_21); in[22] = _mm_sub_epi16(stp1_9, stp1_22); in[23] = _mm_sub_epi16(stp1_8, stp1_23); in[24] = _mm_sub_epi16(stp1_7, stp1_24); in[25] = _mm_sub_epi16(stp1_6, stp1_25); in[26] = _mm_sub_epi16(stp1_5, stp1_26); in[27] = _mm_sub_epi16(stp1_4, stp1_27); in[28] = _mm_sub_epi16(stp1_3, stp1_28); in[29] = _mm_sub_epi16(stp1_2, stp1_29); in[30] = _mm_sub_epi16(stp1_1, stp1_30); in[31] = _mm_sub_epi16(stp1_0, stp1_31); for (j = 0; j < 32; ++j) { // Final rounding and shift in[j] = _mm_adds_epi16(in[j], final_rounding); in[j] = _mm_srai_epi16(in[j], 6); RECON_AND_STORE(dest + j * stride, in[j]); } dest += 8; } } void vpx_idct32x32_1024_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i rounding = _mm_set1_epi32(DCT_CONST_ROUNDING); const __m128i final_rounding = _mm_set1_epi16(1 << 5); const __m128i zero = _mm_setzero_si128(); // idct constants for each stage const __m128i stg1_0 = pair_set_epi16(cospi_31_64, -cospi_1_64); const __m128i stg1_1 = pair_set_epi16(cospi_1_64, cospi_31_64); const __m128i stg1_2 = pair_set_epi16(cospi_15_64, -cospi_17_64); const __m128i stg1_3 = pair_set_epi16(cospi_17_64, cospi_15_64); const __m128i stg1_4 = pair_set_epi16(cospi_23_64, -cospi_9_64); const __m128i stg1_5 = pair_set_epi16(cospi_9_64, cospi_23_64); const __m128i stg1_6 = pair_set_epi16(cospi_7_64, -cospi_25_64); const __m128i stg1_7 = pair_set_epi16(cospi_25_64, cospi_7_64); const __m128i stg1_8 = pair_set_epi16(cospi_27_64, -cospi_5_64); const __m128i stg1_9 = pair_set_epi16(cospi_5_64, cospi_27_64); const __m128i stg1_10 = pair_set_epi16(cospi_11_64, -cospi_21_64); const __m128i stg1_11 = pair_set_epi16(cospi_21_64, cospi_11_64); const __m128i stg1_12 = pair_set_epi16(cospi_19_64, -cospi_13_64); const __m128i stg1_13 = pair_set_epi16(cospi_13_64, cospi_19_64); const __m128i stg1_14 = pair_set_epi16(cospi_3_64, -cospi_29_64); const __m128i stg1_15 = pair_set_epi16(cospi_29_64, cospi_3_64); const __m128i stg2_0 = pair_set_epi16(cospi_30_64, -cospi_2_64); const __m128i stg2_1 = pair_set_epi16(cospi_2_64, cospi_30_64); const __m128i stg2_2 = pair_set_epi16(cospi_14_64, -cospi_18_64); const __m128i stg2_3 = pair_set_epi16(cospi_18_64, cospi_14_64); const __m128i stg2_4 = pair_set_epi16(cospi_22_64, -cospi_10_64); const __m128i stg2_5 = pair_set_epi16(cospi_10_64, cospi_22_64); const __m128i stg2_6 = pair_set_epi16(cospi_6_64, -cospi_26_64); const __m128i stg2_7 = pair_set_epi16(cospi_26_64, cospi_6_64); const __m128i stg3_0 = pair_set_epi16(cospi_28_64, -cospi_4_64); const __m128i stg3_1 = pair_set_epi16(cospi_4_64, cospi_28_64); const __m128i stg3_2 = pair_set_epi16(cospi_12_64, -cospi_20_64); const __m128i stg3_3 = pair_set_epi16(cospi_20_64, cospi_12_64); const __m128i stg3_4 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i stg3_5 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i stg3_6 = pair_set_epi16(-cospi_28_64, -cospi_4_64); const __m128i stg3_8 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i stg3_9 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i stg3_10 = pair_set_epi16(-cospi_12_64, -cospi_20_64); const __m128i stg4_0 = pair_set_epi16(cospi_16_64, cospi_16_64); const __m128i stg4_1 = pair_set_epi16(cospi_16_64, -cospi_16_64); const __m128i stg4_2 = pair_set_epi16(cospi_24_64, -cospi_8_64); const __m128i stg4_3 = pair_set_epi16(cospi_8_64, cospi_24_64); const __m128i stg4_4 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i stg4_5 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i stg4_6 = pair_set_epi16(-cospi_24_64, -cospi_8_64); const __m128i stg6_0 = pair_set_epi16(-cospi_16_64, cospi_16_64); __m128i in[32], col[128], zero_idx[16]; __m128i stp1_0, stp1_1, stp1_2, stp1_3, stp1_4, stp1_5, stp1_6, stp1_7, stp1_8, stp1_9, stp1_10, stp1_11, stp1_12, stp1_13, stp1_14, stp1_15, stp1_16, stp1_17, stp1_18, stp1_19, stp1_20, stp1_21, stp1_22, stp1_23, stp1_24, stp1_25, stp1_26, stp1_27, stp1_28, stp1_29, stp1_30, stp1_31; __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7, stp2_8, stp2_9, stp2_10, stp2_11, stp2_12, stp2_13, stp2_14, stp2_15, stp2_16, stp2_17, stp2_18, stp2_19, stp2_20, stp2_21, stp2_22, stp2_23, stp2_24, stp2_25, stp2_26, stp2_27, stp2_28, stp2_29, stp2_30, stp2_31; __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; int i, j, i32; for (i = 0; i < 4; i++) { i32 = (i << 5); // First 1-D idct // Load input data. LOAD_DQCOEFF(in[0], input); LOAD_DQCOEFF(in[8], input); LOAD_DQCOEFF(in[16], input); LOAD_DQCOEFF(in[24], input); LOAD_DQCOEFF(in[1], input); LOAD_DQCOEFF(in[9], input); LOAD_DQCOEFF(in[17], input); LOAD_DQCOEFF(in[25], input); LOAD_DQCOEFF(in[2], input); LOAD_DQCOEFF(in[10], input); LOAD_DQCOEFF(in[18], input); LOAD_DQCOEFF(in[26], input); LOAD_DQCOEFF(in[3], input); LOAD_DQCOEFF(in[11], input); LOAD_DQCOEFF(in[19], input); LOAD_DQCOEFF(in[27], input); LOAD_DQCOEFF(in[4], input); LOAD_DQCOEFF(in[12], input); LOAD_DQCOEFF(in[20], input); LOAD_DQCOEFF(in[28], input); LOAD_DQCOEFF(in[5], input); LOAD_DQCOEFF(in[13], input); LOAD_DQCOEFF(in[21], input); LOAD_DQCOEFF(in[29], input); LOAD_DQCOEFF(in[6], input); LOAD_DQCOEFF(in[14], input); LOAD_DQCOEFF(in[22], input); LOAD_DQCOEFF(in[30], input); LOAD_DQCOEFF(in[7], input); LOAD_DQCOEFF(in[15], input); LOAD_DQCOEFF(in[23], input); LOAD_DQCOEFF(in[31], input); // checking if all entries are zero zero_idx[0] = _mm_or_si128(in[0], in[1]); zero_idx[1] = _mm_or_si128(in[2], in[3]); zero_idx[2] = _mm_or_si128(in[4], in[5]); zero_idx[3] = _mm_or_si128(in[6], in[7]); zero_idx[4] = _mm_or_si128(in[8], in[9]); zero_idx[5] = _mm_or_si128(in[10], in[11]); zero_idx[6] = _mm_or_si128(in[12], in[13]); zero_idx[7] = _mm_or_si128(in[14], in[15]); zero_idx[8] = _mm_or_si128(in[16], in[17]); zero_idx[9] = _mm_or_si128(in[18], in[19]); zero_idx[10] = _mm_or_si128(in[20], in[21]); zero_idx[11] = _mm_or_si128(in[22], in[23]); zero_idx[12] = _mm_or_si128(in[24], in[25]); zero_idx[13] = _mm_or_si128(in[26], in[27]); zero_idx[14] = _mm_or_si128(in[28], in[29]); zero_idx[15] = _mm_or_si128(in[30], in[31]); zero_idx[0] = _mm_or_si128(zero_idx[0], zero_idx[1]); zero_idx[1] = _mm_or_si128(zero_idx[2], zero_idx[3]); zero_idx[2] = _mm_or_si128(zero_idx[4], zero_idx[5]); zero_idx[3] = _mm_or_si128(zero_idx[6], zero_idx[7]); zero_idx[4] = _mm_or_si128(zero_idx[8], zero_idx[9]); zero_idx[5] = _mm_or_si128(zero_idx[10], zero_idx[11]); zero_idx[6] = _mm_or_si128(zero_idx[12], zero_idx[13]); zero_idx[7] = _mm_or_si128(zero_idx[14], zero_idx[15]); zero_idx[8] = _mm_or_si128(zero_idx[0], zero_idx[1]); zero_idx[9] = _mm_or_si128(zero_idx[2], zero_idx[3]); zero_idx[10] = _mm_or_si128(zero_idx[4], zero_idx[5]); zero_idx[11] = _mm_or_si128(zero_idx[6], zero_idx[7]); zero_idx[12] = _mm_or_si128(zero_idx[8], zero_idx[9]); zero_idx[13] = _mm_or_si128(zero_idx[10], zero_idx[11]); zero_idx[14] = _mm_or_si128(zero_idx[12], zero_idx[13]); if (_mm_movemask_epi8(_mm_cmpeq_epi32(zero_idx[14], zero)) == 0xFFFF) { col[i32 + 0] = _mm_setzero_si128(); col[i32 + 1] = _mm_setzero_si128(); col[i32 + 2] = _mm_setzero_si128(); col[i32 + 3] = _mm_setzero_si128(); col[i32 + 4] = _mm_setzero_si128(); col[i32 + 5] = _mm_setzero_si128(); col[i32 + 6] = _mm_setzero_si128(); col[i32 + 7] = _mm_setzero_si128(); col[i32 + 8] = _mm_setzero_si128(); col[i32 + 9] = _mm_setzero_si128(); col[i32 + 10] = _mm_setzero_si128(); col[i32 + 11] = _mm_setzero_si128(); col[i32 + 12] = _mm_setzero_si128(); col[i32 + 13] = _mm_setzero_si128(); col[i32 + 14] = _mm_setzero_si128(); col[i32 + 15] = _mm_setzero_si128(); col[i32 + 16] = _mm_setzero_si128(); col[i32 + 17] = _mm_setzero_si128(); col[i32 + 18] = _mm_setzero_si128(); col[i32 + 19] = _mm_setzero_si128(); col[i32 + 20] = _mm_setzero_si128(); col[i32 + 21] = _mm_setzero_si128(); col[i32 + 22] = _mm_setzero_si128(); col[i32 + 23] = _mm_setzero_si128(); col[i32 + 24] = _mm_setzero_si128(); col[i32 + 25] = _mm_setzero_si128(); col[i32 + 26] = _mm_setzero_si128(); col[i32 + 27] = _mm_setzero_si128(); col[i32 + 28] = _mm_setzero_si128(); col[i32 + 29] = _mm_setzero_si128(); col[i32 + 30] = _mm_setzero_si128(); col[i32 + 31] = _mm_setzero_si128(); continue; } // Transpose 32x8 block to 8x32 block array_transpose_8x8(in, in); array_transpose_8x8(in + 8, in + 8); array_transpose_8x8(in + 16, in + 16); array_transpose_8x8(in + 24, in + 24); IDCT32 // 1_D: Store 32 intermediate results for each 8x32 block. col[i32 + 0] = _mm_add_epi16(stp1_0, stp1_31); col[i32 + 1] = _mm_add_epi16(stp1_1, stp1_30); col[i32 + 2] = _mm_add_epi16(stp1_2, stp1_29); col[i32 + 3] = _mm_add_epi16(stp1_3, stp1_28); col[i32 + 4] = _mm_add_epi16(stp1_4, stp1_27); col[i32 + 5] = _mm_add_epi16(stp1_5, stp1_26); col[i32 + 6] = _mm_add_epi16(stp1_6, stp1_25); col[i32 + 7] = _mm_add_epi16(stp1_7, stp1_24); col[i32 + 8] = _mm_add_epi16(stp1_8, stp1_23); col[i32 + 9] = _mm_add_epi16(stp1_9, stp1_22); col[i32 + 10] = _mm_add_epi16(stp1_10, stp1_21); col[i32 + 11] = _mm_add_epi16(stp1_11, stp1_20); col[i32 + 12] = _mm_add_epi16(stp1_12, stp1_19); col[i32 + 13] = _mm_add_epi16(stp1_13, stp1_18); col[i32 + 14] = _mm_add_epi16(stp1_14, stp1_17); col[i32 + 15] = _mm_add_epi16(stp1_15, stp1_16); col[i32 + 16] = _mm_sub_epi16(stp1_15, stp1_16); col[i32 + 17] = _mm_sub_epi16(stp1_14, stp1_17); col[i32 + 18] = _mm_sub_epi16(stp1_13, stp1_18); col[i32 + 19] = _mm_sub_epi16(stp1_12, stp1_19); col[i32 + 20] = _mm_sub_epi16(stp1_11, stp1_20); col[i32 + 21] = _mm_sub_epi16(stp1_10, stp1_21); col[i32 + 22] = _mm_sub_epi16(stp1_9, stp1_22); col[i32 + 23] = _mm_sub_epi16(stp1_8, stp1_23); col[i32 + 24] = _mm_sub_epi16(stp1_7, stp1_24); col[i32 + 25] = _mm_sub_epi16(stp1_6, stp1_25); col[i32 + 26] = _mm_sub_epi16(stp1_5, stp1_26); col[i32 + 27] = _mm_sub_epi16(stp1_4, stp1_27); col[i32 + 28] = _mm_sub_epi16(stp1_3, stp1_28); col[i32 + 29] = _mm_sub_epi16(stp1_2, stp1_29); col[i32 + 30] = _mm_sub_epi16(stp1_1, stp1_30); col[i32 + 31] = _mm_sub_epi16(stp1_0, stp1_31); } for (i = 0; i < 4; i++) { // Second 1-D idct j = i << 3; // Transpose 32x8 block to 8x32 block array_transpose_8x8(col + j, in); array_transpose_8x8(col + j + 32, in + 8); array_transpose_8x8(col + j + 64, in + 16); array_transpose_8x8(col + j + 96, in + 24); IDCT32 // 2_D: Calculate the results and store them to destination. in[0] = _mm_add_epi16(stp1_0, stp1_31); in[1] = _mm_add_epi16(stp1_1, stp1_30); in[2] = _mm_add_epi16(stp1_2, stp1_29); in[3] = _mm_add_epi16(stp1_3, stp1_28); in[4] = _mm_add_epi16(stp1_4, stp1_27); in[5] = _mm_add_epi16(stp1_5, stp1_26); in[6] = _mm_add_epi16(stp1_6, stp1_25); in[7] = _mm_add_epi16(stp1_7, stp1_24); in[8] = _mm_add_epi16(stp1_8, stp1_23); in[9] = _mm_add_epi16(stp1_9, stp1_22); in[10] = _mm_add_epi16(stp1_10, stp1_21); in[11] = _mm_add_epi16(stp1_11, stp1_20); in[12] = _mm_add_epi16(stp1_12, stp1_19); in[13] = _mm_add_epi16(stp1_13, stp1_18); in[14] = _mm_add_epi16(stp1_14, stp1_17); in[15] = _mm_add_epi16(stp1_15, stp1_16); in[16] = _mm_sub_epi16(stp1_15, stp1_16); in[17] = _mm_sub_epi16(stp1_14, stp1_17); in[18] = _mm_sub_epi16(stp1_13, stp1_18); in[19] = _mm_sub_epi16(stp1_12, stp1_19); in[20] = _mm_sub_epi16(stp1_11, stp1_20); in[21] = _mm_sub_epi16(stp1_10, stp1_21); in[22] = _mm_sub_epi16(stp1_9, stp1_22); in[23] = _mm_sub_epi16(stp1_8, stp1_23); in[24] = _mm_sub_epi16(stp1_7, stp1_24); in[25] = _mm_sub_epi16(stp1_6, stp1_25); in[26] = _mm_sub_epi16(stp1_5, stp1_26); in[27] = _mm_sub_epi16(stp1_4, stp1_27); in[28] = _mm_sub_epi16(stp1_3, stp1_28); in[29] = _mm_sub_epi16(stp1_2, stp1_29); in[30] = _mm_sub_epi16(stp1_1, stp1_30); in[31] = _mm_sub_epi16(stp1_0, stp1_31); for (j = 0; j < 32; ++j) { // Final rounding and shift in[j] = _mm_adds_epi16(in[j], final_rounding); in[j] = _mm_srai_epi16(in[j], 6); RECON_AND_STORE(dest + j * stride, in[j]); } dest += 8; } } void vpx_idct32x32_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; const __m128i zero = _mm_setzero_si128(); int a, j; a = (int)dct_const_round_shift(input[0] * cospi_16_64); a = (int)dct_const_round_shift(a * cospi_16_64); a = ROUND_POWER_OF_TWO(a, 6); dc_value = _mm_set1_epi16(a); for (j = 0; j < 32; ++j) { RECON_AND_STORE(dest + 0 + j * stride, dc_value); RECON_AND_STORE(dest + 8 + j * stride, dc_value); RECON_AND_STORE(dest + 16 + j * stride, dc_value); RECON_AND_STORE(dest + 24 + j * stride, dc_value); } } #if CONFIG_VP9_HIGHBITDEPTH static INLINE __m128i clamp_high_sse2(__m128i value, int bd) { __m128i ubounded, retval; const __m128i zero = _mm_set1_epi16(0); const __m128i one = _mm_set1_epi16(1); const __m128i max = _mm_subs_epi16(_mm_slli_epi16(one, bd), one); ubounded = _mm_cmpgt_epi16(value, max); retval = _mm_andnot_si128(ubounded, value); ubounded = _mm_and_si128(ubounded, max); retval = _mm_or_si128(retval, ubounded); retval = _mm_and_si128(retval, _mm_cmpgt_epi16(retval, zero)); return retval; } void vpx_highbd_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest8, int stride, int bd) { tran_low_t out[4 * 4]; tran_low_t *outptr = out; int i, j; __m128i inptr[4]; __m128i sign_bits[2]; __m128i temp_mm, min_input, max_input; int test; uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); int optimised_cols = 0; const __m128i zero = _mm_set1_epi16(0); const __m128i eight = _mm_set1_epi16(8); const __m128i max = _mm_set1_epi16(12043); const __m128i min = _mm_set1_epi16(-12043); // Load input into __m128i inptr[0] = _mm_loadu_si128((const __m128i *)input); inptr[1] = _mm_loadu_si128((const __m128i *)(input + 4)); inptr[2] = _mm_loadu_si128((const __m128i *)(input + 8)); inptr[3] = _mm_loadu_si128((const __m128i *)(input + 12)); // Pack to 16 bits inptr[0] = _mm_packs_epi32(inptr[0], inptr[1]); inptr[1] = _mm_packs_epi32(inptr[2], inptr[3]); max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp_mm = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp_mm); if (!test) { // Do the row transform idct4_sse2(inptr); // Check the min & max values max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp_mm = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp_mm); if (test) { transpose_4x4(inptr); sign_bits[0] = _mm_cmplt_epi16(inptr[0], zero); sign_bits[1] = _mm_cmplt_epi16(inptr[1], zero); inptr[3] = _mm_unpackhi_epi16(inptr[1], sign_bits[1]); inptr[2] = _mm_unpacklo_epi16(inptr[1], sign_bits[1]); inptr[1] = _mm_unpackhi_epi16(inptr[0], sign_bits[0]); inptr[0] = _mm_unpacklo_epi16(inptr[0], sign_bits[0]); _mm_storeu_si128((__m128i *)outptr, inptr[0]); _mm_storeu_si128((__m128i *)(outptr + 4), inptr[1]); _mm_storeu_si128((__m128i *)(outptr + 8), inptr[2]); _mm_storeu_si128((__m128i *)(outptr + 12), inptr[3]); } else { // Set to use the optimised transform for the column optimised_cols = 1; } } else { // Run the un-optimised row transform for (i = 0; i < 4; ++i) { vpx_highbd_idct4_c(input, outptr, bd); input += 4; outptr += 4; } } if (optimised_cols) { idct4_sse2(inptr); // Final round and shift inptr[0] = _mm_add_epi16(inptr[0], eight); inptr[1] = _mm_add_epi16(inptr[1], eight); inptr[0] = _mm_srai_epi16(inptr[0], 4); inptr[1] = _mm_srai_epi16(inptr[1], 4); // Reconstruction and Store { __m128i d0 = _mm_loadl_epi64((const __m128i *)dest); __m128i d2 = _mm_loadl_epi64((const __m128i *)(dest + stride * 2)); d0 = _mm_unpacklo_epi64( d0, _mm_loadl_epi64((const __m128i *)(dest + stride))); d2 = _mm_unpacklo_epi64( d2, _mm_loadl_epi64((const __m128i *)(dest + stride * 3))); d0 = clamp_high_sse2(_mm_adds_epi16(d0, inptr[0]), bd); d2 = clamp_high_sse2(_mm_adds_epi16(d2, inptr[1]), bd); // store input0 _mm_storel_epi64((__m128i *)dest, d0); // store input1 d0 = _mm_srli_si128(d0, 8); _mm_storel_epi64((__m128i *)(dest + stride), d0); // store input2 _mm_storel_epi64((__m128i *)(dest + stride * 2), d2); // store input3 d2 = _mm_srli_si128(d2, 8); _mm_storel_epi64((__m128i *)(dest + stride * 3), d2); } } else { // Run the un-optimised column transform tran_low_t temp_in[4], temp_out[4]; // Columns for (i = 0; i < 4; ++i) { for (j = 0; j < 4; ++j) temp_in[j] = out[j * 4 + i]; vpx_highbd_idct4_c(temp_in, temp_out, bd); for (j = 0; j < 4; ++j) { dest[j * stride + i] = highbd_clip_pixel_add( dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd); } } } } void vpx_highbd_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest8, int stride, int bd) { tran_low_t out[8 * 8]; tran_low_t *outptr = out; int i, j, test; __m128i inptr[8]; __m128i min_input, max_input, temp1, temp2, sign_bits; uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); const __m128i zero = _mm_set1_epi16(0); const __m128i sixteen = _mm_set1_epi16(16); const __m128i max = _mm_set1_epi16(6201); const __m128i min = _mm_set1_epi16(-6201); int optimised_cols = 0; // Load input into __m128i & pack to 16 bits for (i = 0; i < 8; i++) { temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i)); temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4)); inptr[i] = _mm_packs_epi32(temp1, temp2); } // Find the min & max for the row transform max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 8; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (!test) { // Do the row transform idct8_sse2(inptr); // Find the min & max for the column transform max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 8; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (test) { array_transpose_8x8(inptr, inptr); for (i = 0; i < 8; i++) { sign_bits = _mm_cmplt_epi16(inptr[i], zero); temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits); temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits); _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1); _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2); } } else { // Set to use the optimised transform for the column optimised_cols = 1; } } else { // Run the un-optimised row transform for (i = 0; i < 8; ++i) { vpx_highbd_idct8_c(input, outptr, bd); input += 8; outptr += 8; } } if (optimised_cols) { idct8_sse2(inptr); // Final round & shift and Reconstruction and Store { __m128i d[8]; for (i = 0; i < 8; i++) { inptr[i] = _mm_add_epi16(inptr[i], sixteen); d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i)); inptr[i] = _mm_srai_epi16(inptr[i], 5); d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd); // Store _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]); } } } else { // Run the un-optimised column transform tran_low_t temp_in[8], temp_out[8]; for (i = 0; i < 8; ++i) { for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i]; vpx_highbd_idct8_c(temp_in, temp_out, bd); for (j = 0; j < 8; ++j) { dest[j * stride + i] = highbd_clip_pixel_add( dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd); } } } } void vpx_highbd_idct8x8_10_add_sse2(const tran_low_t *input, uint8_t *dest8, int stride, int bd) { tran_low_t out[8 * 8] = { 0 }; tran_low_t *outptr = out; int i, j, test; __m128i inptr[8]; __m128i min_input, max_input, temp1, temp2, sign_bits; uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); const __m128i zero = _mm_set1_epi16(0); const __m128i sixteen = _mm_set1_epi16(16); const __m128i max = _mm_set1_epi16(6201); const __m128i min = _mm_set1_epi16(-6201); int optimised_cols = 0; // Load input into __m128i & pack to 16 bits for (i = 0; i < 8; i++) { temp1 = _mm_loadu_si128((const __m128i *)(input + 8 * i)); temp2 = _mm_loadu_si128((const __m128i *)(input + 8 * i + 4)); inptr[i] = _mm_packs_epi32(temp1, temp2); } // Find the min & max for the row transform // only first 4 row has non-zero coefs max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 4; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (!test) { // Do the row transform idct8_sse2(inptr); // Find the min & max for the column transform // N.B. Only first 4 cols contain non-zero coeffs max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 8; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (test) { // Use fact only first 4 rows contain non-zero coeffs array_transpose_4X8(inptr, inptr); for (i = 0; i < 4; i++) { sign_bits = _mm_cmplt_epi16(inptr[i], zero); temp1 = _mm_unpackhi_epi16(inptr[i], sign_bits); temp2 = _mm_unpacklo_epi16(inptr[i], sign_bits); _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i + 1)), temp1); _mm_storeu_si128((__m128i *)(outptr + 4 * (2 * i)), temp2); } } else { // Set to use the optimised transform for the column optimised_cols = 1; } } else { // Run the un-optimised row transform for (i = 0; i < 4; ++i) { vpx_highbd_idct8_c(input, outptr, bd); input += 8; outptr += 8; } } if (optimised_cols) { idct8_sse2(inptr); // Final round & shift and Reconstruction and Store { __m128i d[8]; for (i = 0; i < 8; i++) { inptr[i] = _mm_add_epi16(inptr[i], sixteen); d[i] = _mm_loadu_si128((const __m128i *)(dest + stride*i)); inptr[i] = _mm_srai_epi16(inptr[i], 5); d[i] = clamp_high_sse2(_mm_adds_epi16(d[i], inptr[i]), bd); // Store _mm_storeu_si128((__m128i *)(dest + stride*i), d[i]); } } } else { // Run the un-optimised column transform tran_low_t temp_in[8], temp_out[8]; for (i = 0; i < 8; ++i) { for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i]; vpx_highbd_idct8_c(temp_in, temp_out, bd); for (j = 0; j < 8; ++j) { dest[j * stride + i] = highbd_clip_pixel_add( dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd); } } } } void vpx_highbd_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest8, int stride, int bd) { tran_low_t out[16 * 16]; tran_low_t *outptr = out; int i, j, test; __m128i inptr[32]; __m128i min_input, max_input, temp1, temp2, sign_bits; uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); const __m128i zero = _mm_set1_epi16(0); const __m128i rounding = _mm_set1_epi16(32); const __m128i max = _mm_set1_epi16(3155); const __m128i min = _mm_set1_epi16(-3155); int optimised_cols = 0; // Load input into __m128i & pack to 16 bits for (i = 0; i < 16; i++) { temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i)); temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4)); inptr[i] = _mm_packs_epi32(temp1, temp2); temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8)); temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12)); inptr[i + 16] = _mm_packs_epi32(temp1, temp2); } // Find the min & max for the row transform max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 32; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (!test) { // Do the row transform idct16_sse2(inptr, inptr + 16); // Find the min & max for the column transform max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 32; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (test) { array_transpose_16x16(inptr, inptr + 16); for (i = 0; i < 16; i++) { sign_bits = _mm_cmplt_epi16(inptr[i], zero); temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits); temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2); sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero); temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits); temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2); } } else { // Set to use the optimised transform for the column optimised_cols = 1; } } else { // Run the un-optimised row transform for (i = 0; i < 16; ++i) { vpx_highbd_idct16_c(input, outptr, bd); input += 16; outptr += 16; } } if (optimised_cols) { idct16_sse2(inptr, inptr + 16); // Final round & shift and Reconstruction and Store { __m128i d[2]; for (i = 0; i < 16; i++) { inptr[i ] = _mm_add_epi16(inptr[i ], rounding); inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding); d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i)); d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8)); inptr[i ] = _mm_srai_epi16(inptr[i ], 6); inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6); d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd); d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd); // Store _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]); _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]); } } } else { // Run the un-optimised column transform tran_low_t temp_in[16], temp_out[16]; for (i = 0; i < 16; ++i) { for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i]; vpx_highbd_idct16_c(temp_in, temp_out, bd); for (j = 0; j < 16; ++j) { dest[j * stride + i] = highbd_clip_pixel_add( dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd); } } } } void vpx_highbd_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest8, int stride, int bd) { tran_low_t out[16 * 16] = { 0 }; tran_low_t *outptr = out; int i, j, test; __m128i inptr[32]; __m128i min_input, max_input, temp1, temp2, sign_bits; uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); const __m128i zero = _mm_set1_epi16(0); const __m128i rounding = _mm_set1_epi16(32); const __m128i max = _mm_set1_epi16(3155); const __m128i min = _mm_set1_epi16(-3155); int optimised_cols = 0; // Load input into __m128i & pack to 16 bits for (i = 0; i < 16; i++) { temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i)); temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 4)); inptr[i] = _mm_packs_epi32(temp1, temp2); temp1 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 8)); temp2 = _mm_loadu_si128((const __m128i *)(input + 16 * i + 12)); inptr[i + 16] = _mm_packs_epi32(temp1, temp2); } // Find the min & max for the row transform // Since all non-zero dct coefficients are in upper-left 4x4 area, // we only need to consider first 4 rows here. max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 4; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (!test) { // Do the row transform (N.B. This transposes inptr) idct16_sse2(inptr, inptr + 16); // Find the min & max for the column transform // N.B. Only first 4 cols contain non-zero coeffs max_input = _mm_max_epi16(inptr[0], inptr[1]); min_input = _mm_min_epi16(inptr[0], inptr[1]); for (i = 2; i < 16; i++) { max_input = _mm_max_epi16(max_input, inptr[i]); min_input = _mm_min_epi16(min_input, inptr[i]); } max_input = _mm_cmpgt_epi16(max_input, max); min_input = _mm_cmplt_epi16(min_input, min); temp1 = _mm_or_si128(max_input, min_input); test = _mm_movemask_epi8(temp1); if (test) { // Use fact only first 4 rows contain non-zero coeffs array_transpose_8x8(inptr, inptr); array_transpose_8x8(inptr + 8, inptr + 16); for (i = 0; i < 4; i++) { sign_bits = _mm_cmplt_epi16(inptr[i], zero); temp1 = _mm_unpacklo_epi16(inptr[i], sign_bits); temp2 = _mm_unpackhi_epi16(inptr[i], sign_bits); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4)), temp1); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 1)), temp2); sign_bits = _mm_cmplt_epi16(inptr[i + 16], zero); temp1 = _mm_unpacklo_epi16(inptr[i + 16], sign_bits); temp2 = _mm_unpackhi_epi16(inptr[i + 16], sign_bits); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 2)), temp1); _mm_storeu_si128((__m128i *)(outptr + 4 * (i * 4 + 3)), temp2); } } else { // Set to use the optimised transform for the column optimised_cols = 1; } } else { // Run the un-optimised row transform for (i = 0; i < 4; ++i) { vpx_highbd_idct16_c(input, outptr, bd); input += 16; outptr += 16; } } if (optimised_cols) { idct16_sse2(inptr, inptr + 16); // Final round & shift and Reconstruction and Store { __m128i d[2]; for (i = 0; i < 16; i++) { inptr[i ] = _mm_add_epi16(inptr[i ], rounding); inptr[i+16] = _mm_add_epi16(inptr[i+16], rounding); d[0] = _mm_loadu_si128((const __m128i *)(dest + stride*i)); d[1] = _mm_loadu_si128((const __m128i *)(dest + stride*i + 8)); inptr[i ] = _mm_srai_epi16(inptr[i ], 6); inptr[i+16] = _mm_srai_epi16(inptr[i+16], 6); d[0] = clamp_high_sse2(_mm_add_epi16(d[0], inptr[i ]), bd); d[1] = clamp_high_sse2(_mm_add_epi16(d[1], inptr[i+16]), bd); // Store _mm_storeu_si128((__m128i *)(dest + stride*i), d[0]); _mm_storeu_si128((__m128i *)(dest + stride*i + 8), d[1]); } } } else { // Run the un-optimised column transform tran_low_t temp_in[16], temp_out[16]; for (i = 0; i < 16; ++i) { for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i]; vpx_highbd_idct16_c(temp_in, temp_out, bd); for (j = 0; j < 16; ++j) { dest[j * stride + i] = highbd_clip_pixel_add( dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd); } } } } #endif // CONFIG_VP9_HIGHBITDEPTH