ref: 80a3e2615ae5da48c09a71be6bce106e24c2bcf5
dir: /vp10/encoder/x86/dct_sse2.c/
/* * Copyright (c) 2012 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 <assert.h> #include <emmintrin.h> // SSE2 #include "./vp10_rtcd.h" #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/txfm_common.h" #include "vpx_dsp/x86/fwd_txfm_sse2.h" #include "vpx_dsp/x86/txfm_common_sse2.h" #include "vpx_ports/mem.h" static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in, int stride) { const __m128i k__nonzero_bias_a = _mm_setr_epi16(0, 1, 1, 1, 1, 1, 1, 1); const __m128i k__nonzero_bias_b = _mm_setr_epi16(1, 0, 0, 0, 0, 0, 0, 0); __m128i mask; in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride)); in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride)); in[0] = _mm_slli_epi16(in[0], 4); in[1] = _mm_slli_epi16(in[1], 4); in[2] = _mm_slli_epi16(in[2], 4); in[3] = _mm_slli_epi16(in[3], 4); mask = _mm_cmpeq_epi16(in[0], k__nonzero_bias_a); in[0] = _mm_add_epi16(in[0], mask); in[0] = _mm_add_epi16(in[0], k__nonzero_bias_b); } static INLINE void write_buffer_4x4(tran_low_t *output, __m128i *res) { const __m128i kOne = _mm_set1_epi16(1); __m128i in01 = _mm_unpacklo_epi64(res[0], res[1]); __m128i in23 = _mm_unpacklo_epi64(res[2], res[3]); __m128i out01 = _mm_add_epi16(in01, kOne); __m128i out23 = _mm_add_epi16(in23, kOne); out01 = _mm_srai_epi16(out01, 2); out23 = _mm_srai_epi16(out23, 2); store_output(&out01, (output + 0 * 8)); store_output(&out23, (output + 1 * 8)); } static INLINE void transpose_4x4(__m128i *res) { // Combine and transpose // 00 01 02 03 20 21 22 23 // 10 11 12 13 30 31 32 33 const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]); const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]); // 00 10 01 11 02 12 03 13 // 20 30 21 31 22 32 23 33 res[0] = _mm_unpacklo_epi32(tr0_0, tr0_1); res[2] = _mm_unpackhi_epi32(tr0_0, tr0_1); // 00 10 20 30 01 11 21 31 // 02 12 22 32 03 13 23 33 // only use the first 4 16-bit integers res[1] = _mm_unpackhi_epi64(res[0], res[0]); res[3] = _mm_unpackhi_epi64(res[2], res[2]); } static void fdct4_sse2(__m128i *in) { 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_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__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u[4], v[4]; u[0]=_mm_unpacklo_epi16(in[0], in[1]); u[1]=_mm_unpacklo_epi16(in[3], in[2]); v[0] = _mm_add_epi16(u[0], u[1]); v[1] = _mm_sub_epi16(u[0], u[1]); u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); // 0 u[1] = _mm_madd_epi16(v[0], k__cospi_p16_m16); // 2 u[2] = _mm_madd_epi16(v[1], k__cospi_p08_p24); // 1 u[3] = _mm_madd_epi16(v[1], k__cospi_p24_m08); // 3 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); 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]); transpose_4x4(in); } static void fadst4_sse2(__m128i *in) { const __m128i k__sinpi_p01_p02 = pair_set_epi16(sinpi_1_9, sinpi_2_9); const __m128i k__sinpi_p04_m01 = pair_set_epi16(sinpi_4_9, -sinpi_1_9); const __m128i k__sinpi_p03_p04 = pair_set_epi16(sinpi_3_9, sinpi_4_9); const __m128i k__sinpi_m03_p02 = pair_set_epi16(-sinpi_3_9, sinpi_2_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]; __m128i in7 = _mm_add_epi16(in[0], in[1]); u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpacklo_epi16(in[2], in[3]); u[2] = _mm_unpacklo_epi16(in7, kZero); u[3] = _mm_unpacklo_epi16(in[2], kZero); u[4] = _mm_unpacklo_epi16(in[3], kZero); v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2 v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5 v[2] = _mm_madd_epi16(u[2], k__sinpi_p03_p03); // x1 v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3 v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6 v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4 v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03); u[0] = _mm_add_epi32(v[0], v[1]); u[1] = _mm_sub_epi32(v[2], v[6]); u[2] = _mm_add_epi32(v[3], v[4]); u[3] = _mm_sub_epi32(u[2], u[0]); u[4] = _mm_slli_epi32(v[5], 2); u[5] = _mm_sub_epi32(u[4], v[5]); u[6] = _mm_add_epi32(u[3], u[5]); 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[2]); in[1] = _mm_packs_epi32(u[1], u[3]); transpose_4x4(in); } void vp10_fht4x4_sse2(const int16_t *input, tran_low_t *output, int stride, int tx_type) { __m128i in[4]; switch (tx_type) { case DCT_DCT: vpx_fdct4x4_sse2(input, output, stride); break; case ADST_DCT: load_buffer_4x4(input, in, stride); fadst4_sse2(in); fdct4_sse2(in); write_buffer_4x4(output, in); break; case DCT_ADST: load_buffer_4x4(input, in, stride); fdct4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; case ADST_ADST: load_buffer_4x4(input, in, stride); fadst4_sse2(in); fadst4_sse2(in); write_buffer_4x4(output, in); break; default: assert(0); break; } } void vp10_fdct8x8_quant_sse2(const int16_t *input, int stride, int16_t* coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t* zbin_ptr, const int16_t* round_ptr, const int16_t* quant_ptr, const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr, int16_t* dqcoeff_ptr, const int16_t* dequant_ptr, uint16_t* eob_ptr, const int16_t* scan_ptr, const int16_t* iscan_ptr) { __m128i zero; int pass; // Constants // When we use them, in one case, they are all the same. In all others // it's a pair of them that we need to repeat four times. This is done // by constructing the 32 bit constant corresponding to that pair. 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_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); // Load input __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride)); __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride)); __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride)); __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride)); __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride)); __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride)); __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride)); __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride)); __m128i *in[8]; int index = 0; (void)scan_ptr; (void)zbin_ptr; (void)quant_shift_ptr; (void)coeff_ptr; // Pre-condition input (shift by two) in0 = _mm_slli_epi16(in0, 2); in1 = _mm_slli_epi16(in1, 2); in2 = _mm_slli_epi16(in2, 2); in3 = _mm_slli_epi16(in3, 2); in4 = _mm_slli_epi16(in4, 2); in5 = _mm_slli_epi16(in5, 2); in6 = _mm_slli_epi16(in6, 2); in7 = _mm_slli_epi16(in7, 2); in[0] = &in0; in[1] = &in1; in[2] = &in2; in[3] = &in3; in[4] = &in4; in[5] = &in5; in[6] = &in6; in[7] = &in7; // We do two passes, first the columns, then the rows. The results of the // first pass are transposed so that the same column code can be reused. The // results of the second pass are also transposed so that the rows (processed // as columns) are put back in row positions. for (pass = 0; pass < 2; pass++) { // To store results of each pass before the transpose. __m128i res0, res1, res2, res3, res4, res5, res6, res7; // Add/subtract const __m128i q0 = _mm_add_epi16(in0, in7); const __m128i q1 = _mm_add_epi16(in1, in6); const __m128i q2 = _mm_add_epi16(in2, in5); const __m128i q3 = _mm_add_epi16(in3, in4); const __m128i q4 = _mm_sub_epi16(in3, in4); const __m128i q5 = _mm_sub_epi16(in2, in5); const __m128i q6 = _mm_sub_epi16(in1, in6); const __m128i q7 = _mm_sub_epi16(in0, in7); // Work on first four results { // Add/subtract const __m128i r0 = _mm_add_epi16(q0, q3); const __m128i r1 = _mm_add_epi16(q1, q2); const __m128i r2 = _mm_sub_epi16(q1, q2); const __m128i r3 = _mm_sub_epi16(q0, q3); // Interleave to do the multiply by constants which gets us into 32bits const __m128i t0 = _mm_unpacklo_epi16(r0, r1); const __m128i t1 = _mm_unpackhi_epi16(r0, r1); const __m128i t2 = _mm_unpacklo_epi16(r2, r3); const __m128i t3 = _mm_unpackhi_epi16(r2, r3); const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16); const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16); const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16); const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16); const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08); const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08); const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24); const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24); // dct_const_round_shift const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS); const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS); const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS); const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS); // Combine res0 = _mm_packs_epi32(w0, w1); res4 = _mm_packs_epi32(w2, w3); res2 = _mm_packs_epi32(w4, w5); res6 = _mm_packs_epi32(w6, w7); } // Work on next four results { // Interleave to do the multiply by constants which gets us into 32bits const __m128i d0 = _mm_unpacklo_epi16(q6, q5); const __m128i d1 = _mm_unpackhi_epi16(q6, q5); const __m128i e0 = _mm_madd_epi16(d0, k__cospi_p16_m16); const __m128i e1 = _mm_madd_epi16(d1, k__cospi_p16_m16); const __m128i e2 = _mm_madd_epi16(d0, k__cospi_p16_p16); const __m128i e3 = _mm_madd_epi16(d1, k__cospi_p16_p16); // dct_const_round_shift const __m128i f0 = _mm_add_epi32(e0, k__DCT_CONST_ROUNDING); const __m128i f1 = _mm_add_epi32(e1, k__DCT_CONST_ROUNDING); const __m128i f2 = _mm_add_epi32(e2, k__DCT_CONST_ROUNDING); const __m128i f3 = _mm_add_epi32(e3, k__DCT_CONST_ROUNDING); const __m128i s0 = _mm_srai_epi32(f0, DCT_CONST_BITS); const __m128i s1 = _mm_srai_epi32(f1, DCT_CONST_BITS); const __m128i s2 = _mm_srai_epi32(f2, DCT_CONST_BITS); const __m128i s3 = _mm_srai_epi32(f3, DCT_CONST_BITS); // Combine const __m128i r0 = _mm_packs_epi32(s0, s1); const __m128i r1 = _mm_packs_epi32(s2, s3); // Add/subtract const __m128i x0 = _mm_add_epi16(q4, r0); const __m128i x1 = _mm_sub_epi16(q4, r0); const __m128i x2 = _mm_sub_epi16(q7, r1); const __m128i x3 = _mm_add_epi16(q7, r1); // Interleave to do the multiply by constants which gets us into 32bits const __m128i t0 = _mm_unpacklo_epi16(x0, x3); const __m128i t1 = _mm_unpackhi_epi16(x0, x3); const __m128i t2 = _mm_unpacklo_epi16(x1, x2); const __m128i t3 = _mm_unpackhi_epi16(x1, x2); const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04); const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04); const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28); const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28); const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20); const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20); const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12); const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12); // dct_const_round_shift const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS); const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS); const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS); const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS); // Combine res1 = _mm_packs_epi32(w0, w1); res7 = _mm_packs_epi32(w2, w3); res5 = _mm_packs_epi32(w4, w5); res3 = _mm_packs_epi32(w6, w7); } // Transpose the 8x8. { // 00 01 02 03 04 05 06 07 // 10 11 12 13 14 15 16 17 // 20 21 22 23 24 25 26 27 // 30 31 32 33 34 35 36 37 // 40 41 42 43 44 45 46 47 // 50 51 52 53 54 55 56 57 // 60 61 62 63 64 65 66 67 // 70 71 72 73 74 75 76 77 const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1); const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3); const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1); const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3); const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5); const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7); const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5); const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7); // 00 10 01 11 02 12 03 13 // 20 30 21 31 22 32 23 33 // 04 14 05 15 06 16 07 17 // 24 34 25 35 26 36 27 37 // 40 50 41 51 42 52 43 53 // 60 70 61 71 62 72 63 73 // 54 54 55 55 56 56 57 57 // 64 74 65 75 66 76 67 77 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); // 00 10 20 30 01 11 21 31 // 40 50 60 70 41 51 61 71 // 02 12 22 32 03 13 23 33 // 42 52 62 72 43 53 63 73 // 04 14 24 34 05 15 21 36 // 44 54 64 74 45 55 61 76 // 06 16 26 36 07 17 27 37 // 46 56 66 76 47 57 67 77 in0 = _mm_unpacklo_epi64(tr1_0, tr1_4); in1 = _mm_unpackhi_epi64(tr1_0, tr1_4); in2 = _mm_unpacklo_epi64(tr1_2, tr1_6); in3 = _mm_unpackhi_epi64(tr1_2, tr1_6); in4 = _mm_unpacklo_epi64(tr1_1, tr1_5); in5 = _mm_unpackhi_epi64(tr1_1, tr1_5); in6 = _mm_unpacklo_epi64(tr1_3, tr1_7); in7 = _mm_unpackhi_epi64(tr1_3, tr1_7); // 00 10 20 30 40 50 60 70 // 01 11 21 31 41 51 61 71 // 02 12 22 32 42 52 62 72 // 03 13 23 33 43 53 63 73 // 04 14 24 34 44 54 64 74 // 05 15 25 35 45 55 65 75 // 06 16 26 36 46 56 66 76 // 07 17 27 37 47 57 67 77 } } // Post-condition output and store it { // Post-condition (division by two) // division of two 16 bits signed numbers using shifts // n / 2 = (n - (n >> 15)) >> 1 const __m128i sign_in0 = _mm_srai_epi16(in0, 15); const __m128i sign_in1 = _mm_srai_epi16(in1, 15); const __m128i sign_in2 = _mm_srai_epi16(in2, 15); const __m128i sign_in3 = _mm_srai_epi16(in3, 15); const __m128i sign_in4 = _mm_srai_epi16(in4, 15); const __m128i sign_in5 = _mm_srai_epi16(in5, 15); const __m128i sign_in6 = _mm_srai_epi16(in6, 15); const __m128i sign_in7 = _mm_srai_epi16(in7, 15); in0 = _mm_sub_epi16(in0, sign_in0); in1 = _mm_sub_epi16(in1, sign_in1); in2 = _mm_sub_epi16(in2, sign_in2); in3 = _mm_sub_epi16(in3, sign_in3); in4 = _mm_sub_epi16(in4, sign_in4); in5 = _mm_sub_epi16(in5, sign_in5); in6 = _mm_sub_epi16(in6, sign_in6); in7 = _mm_sub_epi16(in7, sign_in7); in0 = _mm_srai_epi16(in0, 1); in1 = _mm_srai_epi16(in1, 1); in2 = _mm_srai_epi16(in2, 1); in3 = _mm_srai_epi16(in3, 1); in4 = _mm_srai_epi16(in4, 1); in5 = _mm_srai_epi16(in5, 1); in6 = _mm_srai_epi16(in6, 1); in7 = _mm_srai_epi16(in7, 1); } iscan_ptr += n_coeffs; qcoeff_ptr += n_coeffs; dqcoeff_ptr += n_coeffs; n_coeffs = -n_coeffs; zero = _mm_setzero_si128(); if (!skip_block) { __m128i eob; __m128i round, quant, dequant; { __m128i coeff0, coeff1; // Setup global values { round = _mm_load_si128((const __m128i*)round_ptr); quant = _mm_load_si128((const __m128i*)quant_ptr); dequant = _mm_load_si128((const __m128i*)dequant_ptr); } { __m128i coeff0_sign, coeff1_sign; __m128i qcoeff0, qcoeff1; __m128i qtmp0, qtmp1; // Do DC and first 15 AC coeff0 = *in[0]; coeff1 = *in[1]; // Poor man's sign extract coeff0_sign = _mm_srai_epi16(coeff0, 15); coeff1_sign = _mm_srai_epi16(coeff1, 15); qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign); qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign); qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); qcoeff0 = _mm_adds_epi16(qcoeff0, round); round = _mm_unpackhi_epi64(round, round); qcoeff1 = _mm_adds_epi16(qcoeff1, round); qtmp0 = _mm_mulhi_epi16(qcoeff0, quant); quant = _mm_unpackhi_epi64(quant, quant); qtmp1 = _mm_mulhi_epi16(qcoeff1, quant); // Reinsert signs qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign); qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign); qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0); _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1); coeff0 = _mm_mullo_epi16(qcoeff0, dequant); dequant = _mm_unpackhi_epi64(dequant, dequant); coeff1 = _mm_mullo_epi16(qcoeff1, dequant); _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0); _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1); } { // Scan for eob __m128i zero_coeff0, zero_coeff1; __m128i nzero_coeff0, nzero_coeff1; __m128i iscan0, iscan1; __m128i eob1; zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero); zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero); nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero); nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero); iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs)); iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1); // Add one to convert from indices to counts iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0); iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1); eob = _mm_and_si128(iscan0, nzero_coeff0); eob1 = _mm_and_si128(iscan1, nzero_coeff1); eob = _mm_max_epi16(eob, eob1); } n_coeffs += 8 * 2; } // AC only loop index = 2; while (n_coeffs < 0) { __m128i coeff0, coeff1; { __m128i coeff0_sign, coeff1_sign; __m128i qcoeff0, qcoeff1; __m128i qtmp0, qtmp1; assert(index < (int)(sizeof(in) / sizeof(in[0])) - 1); coeff0 = *in[index]; coeff1 = *in[index + 1]; // Poor man's sign extract coeff0_sign = _mm_srai_epi16(coeff0, 15); coeff1_sign = _mm_srai_epi16(coeff1, 15); qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign); qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign); qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); qcoeff0 = _mm_adds_epi16(qcoeff0, round); qcoeff1 = _mm_adds_epi16(qcoeff1, round); qtmp0 = _mm_mulhi_epi16(qcoeff0, quant); qtmp1 = _mm_mulhi_epi16(qcoeff1, quant); // Reinsert signs qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign); qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign); qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0); _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1); coeff0 = _mm_mullo_epi16(qcoeff0, dequant); coeff1 = _mm_mullo_epi16(qcoeff1, dequant); _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0); _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1); } { // Scan for eob __m128i zero_coeff0, zero_coeff1; __m128i nzero_coeff0, nzero_coeff1; __m128i iscan0, iscan1; __m128i eob0, eob1; zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero); zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero); nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero); nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero); iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs)); iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1); // Add one to convert from indices to counts iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0); iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1); eob0 = _mm_and_si128(iscan0, nzero_coeff0); eob1 = _mm_and_si128(iscan1, nzero_coeff1); eob0 = _mm_max_epi16(eob0, eob1); eob = _mm_max_epi16(eob, eob0); } n_coeffs += 8 * 2; index += 2; } // Accumulate EOB { __m128i eob_shuffled; eob_shuffled = _mm_shuffle_epi32(eob, 0xe); eob = _mm_max_epi16(eob, eob_shuffled); eob_shuffled = _mm_shufflelo_epi16(eob, 0xe); eob = _mm_max_epi16(eob, eob_shuffled); eob_shuffled = _mm_shufflelo_epi16(eob, 0x1); eob = _mm_max_epi16(eob, eob_shuffled); *eob_ptr = _mm_extract_epi16(eob, 1); } } else { do { _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero); _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero); _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero); _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero); n_coeffs += 8 * 2; } while (n_coeffs < 0); *eob_ptr = 0; } } // load 8x8 array static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in, int stride) { in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride)); in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride)); in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride)); in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride)); in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride)); in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride)); in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride)); in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride)); in[0] = _mm_slli_epi16(in[0], 2); in[1] = _mm_slli_epi16(in[1], 2); in[2] = _mm_slli_epi16(in[2], 2); in[3] = _mm_slli_epi16(in[3], 2); in[4] = _mm_slli_epi16(in[4], 2); in[5] = _mm_slli_epi16(in[5], 2); in[6] = _mm_slli_epi16(in[6], 2); in[7] = _mm_slli_epi16(in[7], 2); } // right shift and rounding static INLINE void right_shift_8x8(__m128i *res, const int bit) { __m128i sign0 = _mm_srai_epi16(res[0], 15); __m128i sign1 = _mm_srai_epi16(res[1], 15); __m128i sign2 = _mm_srai_epi16(res[2], 15); __m128i sign3 = _mm_srai_epi16(res[3], 15); __m128i sign4 = _mm_srai_epi16(res[4], 15); __m128i sign5 = _mm_srai_epi16(res[5], 15); __m128i sign6 = _mm_srai_epi16(res[6], 15); __m128i sign7 = _mm_srai_epi16(res[7], 15); if (bit == 2) { const __m128i const_rounding = _mm_set1_epi16(1); res[0] = _mm_add_epi16(res[0], const_rounding); res[1] = _mm_add_epi16(res[1], const_rounding); res[2] = _mm_add_epi16(res[2], const_rounding); res[3] = _mm_add_epi16(res[3], const_rounding); res[4] = _mm_add_epi16(res[4], const_rounding); res[5] = _mm_add_epi16(res[5], const_rounding); res[6] = _mm_add_epi16(res[6], const_rounding); res[7] = _mm_add_epi16(res[7], const_rounding); } res[0] = _mm_sub_epi16(res[0], sign0); res[1] = _mm_sub_epi16(res[1], sign1); res[2] = _mm_sub_epi16(res[2], sign2); res[3] = _mm_sub_epi16(res[3], sign3); res[4] = _mm_sub_epi16(res[4], sign4); res[5] = _mm_sub_epi16(res[5], sign5); res[6] = _mm_sub_epi16(res[6], sign6); res[7] = _mm_sub_epi16(res[7], sign7); if (bit == 1) { res[0] = _mm_srai_epi16(res[0], 1); res[1] = _mm_srai_epi16(res[1], 1); res[2] = _mm_srai_epi16(res[2], 1); res[3] = _mm_srai_epi16(res[3], 1); res[4] = _mm_srai_epi16(res[4], 1); res[5] = _mm_srai_epi16(res[5], 1); res[6] = _mm_srai_epi16(res[6], 1); res[7] = _mm_srai_epi16(res[7], 1); } else { res[0] = _mm_srai_epi16(res[0], 2); res[1] = _mm_srai_epi16(res[1], 2); res[2] = _mm_srai_epi16(res[2], 2); res[3] = _mm_srai_epi16(res[3], 2); res[4] = _mm_srai_epi16(res[4], 2); res[5] = _mm_srai_epi16(res[5], 2); res[6] = _mm_srai_epi16(res[6], 2); res[7] = _mm_srai_epi16(res[7], 2); } } // write 8x8 array static INLINE void write_buffer_8x8(tran_low_t *output, __m128i *res, int stride) { store_output(&res[0], (output + 0 * stride)); store_output(&res[1], (output + 1 * stride)); store_output(&res[2], (output + 2 * stride)); store_output(&res[3], (output + 3 * stride)); store_output(&res[4], (output + 4 * stride)); store_output(&res[5], (output + 5 * stride)); store_output(&res[6], (output + 6 * stride)); store_output(&res[7], (output + 7 * stride)); } // perform in-place transpose static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) { const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]); const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]); const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]); const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]); const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]); const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]); const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]); const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]); // 00 10 01 11 02 12 03 13 // 20 30 21 31 22 32 23 33 // 04 14 05 15 06 16 07 17 // 24 34 25 35 26 36 27 37 // 40 50 41 51 42 52 43 53 // 60 70 61 71 62 72 63 73 // 44 54 45 55 46 56 47 57 // 64 74 65 75 66 76 67 77 const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5); const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5); const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3); const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3); const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); // 00 10 20 30 01 11 21 31 // 40 50 60 70 41 51 61 71 // 02 12 22 32 03 13 23 33 // 42 52 62 72 43 53 63 73 // 04 14 24 34 05 15 25 35 // 44 54 64 74 45 55 65 75 // 06 16 26 36 07 17 27 37 // 46 56 66 76 47 57 67 77 res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1); res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1); res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3); res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3); res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5); res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5); res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7); res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7); // 00 10 20 30 40 50 60 70 // 01 11 21 31 41 51 61 71 // 02 12 22 32 42 52 62 72 // 03 13 23 33 43 53 63 73 // 04 14 24 34 44 54 64 74 // 05 15 25 35 45 55 65 75 // 06 16 26 36 46 56 66 76 // 07 17 27 37 47 57 67 77 } static void fdct8_sse2(__m128i *in) { // constants 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_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u0, u1, u2, u3, u4, u5, u6, u7; __m128i v0, v1, v2, v3, v4, v5, v6, v7; __m128i s0, s1, s2, s3, s4, s5, s6, s7; // stage 1 s0 = _mm_add_epi16(in[0], in[7]); s1 = _mm_add_epi16(in[1], in[6]); s2 = _mm_add_epi16(in[2], in[5]); s3 = _mm_add_epi16(in[3], in[4]); s4 = _mm_sub_epi16(in[3], in[4]); s5 = _mm_sub_epi16(in[2], in[5]); s6 = _mm_sub_epi16(in[1], in[6]); s7 = _mm_sub_epi16(in[0], in[7]); u0 = _mm_add_epi16(s0, s3); u1 = _mm_add_epi16(s1, s2); u2 = _mm_sub_epi16(s1, s2); u3 = _mm_sub_epi16(s0, s3); // interleave and perform butterfly multiplication/addition v0 = _mm_unpacklo_epi16(u0, u1); v1 = _mm_unpackhi_epi16(u0, u1); v2 = _mm_unpacklo_epi16(u2, u3); v3 = _mm_unpackhi_epi16(u2, u3); u0 = _mm_madd_epi16(v0, k__cospi_p16_p16); u1 = _mm_madd_epi16(v1, k__cospi_p16_p16); u2 = _mm_madd_epi16(v0, k__cospi_p16_m16); u3 = _mm_madd_epi16(v1, k__cospi_p16_m16); u4 = _mm_madd_epi16(v2, k__cospi_p24_p08); u5 = _mm_madd_epi16(v3, k__cospi_p24_p08); u6 = _mm_madd_epi16(v2, k__cospi_m08_p24); u7 = _mm_madd_epi16(v3, k__cospi_m08_p24); // shift and rounding v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); v7 = _mm_add_epi32(u7, 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); in[0] = _mm_packs_epi32(u0, u1); in[2] = _mm_packs_epi32(u4, u5); in[4] = _mm_packs_epi32(u2, u3); in[6] = _mm_packs_epi32(u6, u7); // stage 2 // interleave and perform butterfly multiplication/addition u0 = _mm_unpacklo_epi16(s6, s5); u1 = _mm_unpackhi_epi16(s6, s5); v0 = _mm_madd_epi16(u0, k__cospi_p16_m16); v1 = _mm_madd_epi16(u1, k__cospi_p16_m16); v2 = _mm_madd_epi16(u0, k__cospi_p16_p16); v3 = _mm_madd_epi16(u1, k__cospi_p16_p16); // shift and rounding 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); 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); u0 = _mm_packs_epi32(v0, v1); u1 = _mm_packs_epi32(v2, v3); // stage 3 s0 = _mm_add_epi16(s4, u0); s1 = _mm_sub_epi16(s4, u0); s2 = _mm_sub_epi16(s7, u1); s3 = _mm_add_epi16(s7, u1); // stage 4 u0 = _mm_unpacklo_epi16(s0, s3); u1 = _mm_unpackhi_epi16(s0, s3); u2 = _mm_unpacklo_epi16(s1, s2); u3 = _mm_unpackhi_epi16(s1, s2); v0 = _mm_madd_epi16(u0, k__cospi_p28_p04); v1 = _mm_madd_epi16(u1, k__cospi_p28_p04); v2 = _mm_madd_epi16(u2, k__cospi_p12_p20); v3 = _mm_madd_epi16(u3, k__cospi_p12_p20); v4 = _mm_madd_epi16(u2, k__cospi_m20_p12); v5 = _mm_madd_epi16(u3, k__cospi_m20_p12); v6 = _mm_madd_epi16(u0, k__cospi_m04_p28); v7 = _mm_madd_epi16(u1, k__cospi_m04_p28); // shift and rounding 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); in[1] = _mm_packs_epi32(v0, v1); in[3] = _mm_packs_epi32(v4, v5); in[5] = _mm_packs_epi32(v2, v3); in[7] = _mm_packs_epi32(v6, v7); // transpose array_transpose_8x8(in, in); } static void fadst8_sse2(__m128i *in) { // Constants 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; // 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); // FIXME(jingning): do subtract using bit inversion? 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); // transpose array_transpose_8x8(in, in); } void vp10_fht8x8_sse2(const int16_t *input, tran_low_t *output, int stride, int tx_type) { __m128i in[8]; switch (tx_type) { case DCT_DCT: vpx_fdct8x8_sse2(input, output, stride); break; case ADST_DCT: load_buffer_8x8(input, in, stride); fadst8_sse2(in); fdct8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case DCT_ADST: load_buffer_8x8(input, in, stride); fdct8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; case ADST_ADST: load_buffer_8x8(input, in, stride); fadst8_sse2(in); fadst8_sse2(in); right_shift_8x8(in, 1); write_buffer_8x8(output, in, 8); break; default: assert(0); break; } } static INLINE void load_buffer_16x16(const int16_t* input, __m128i *in0, __m128i *in1, int stride) { // load first 8 columns load_buffer_8x8(input, in0, stride); load_buffer_8x8(input + 8 * stride, in0 + 8, stride); input += 8; // load second 8 columns load_buffer_8x8(input, in1, stride); load_buffer_8x8(input + 8 * stride, in1 + 8, stride); } static INLINE void write_buffer_16x16(tran_low_t *output, __m128i *in0, __m128i *in1, int stride) { // write first 8 columns write_buffer_8x8(output, in0, stride); write_buffer_8x8(output + 8 * stride, in0 + 8, stride); // write second 8 columns output += 8; write_buffer_8x8(output, in1, stride); write_buffer_8x8(output + 8 * stride, in1 + 8, stride); } static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) { __m128i tbuf[8]; array_transpose_8x8(res0, res0); array_transpose_8x8(res1, tbuf); array_transpose_8x8(res0 + 8, res1); array_transpose_8x8(res1 + 8, res1 + 8); res0[8] = tbuf[0]; res0[9] = tbuf[1]; res0[10] = tbuf[2]; res0[11] = tbuf[3]; res0[12] = tbuf[4]; res0[13] = tbuf[5]; res0[14] = tbuf[6]; res0[15] = tbuf[7]; } static INLINE void right_shift_16x16(__m128i *res0, __m128i *res1) { // perform rounding operations right_shift_8x8(res0, 2); right_shift_8x8(res0 + 8, 2); right_shift_8x8(res1, 2); right_shift_8x8(res1 + 8, 2); } static void fdct16_8col(__m128i *in) { // perform 16x16 1-D DCT for 8 columns __m128i i[8], s[8], p[8], t[8], u[16], v[16]; 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__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); const __m128i k__cospi_p08_m24 = 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_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); const __m128i k__cospi_p30_p02 = pair_set_epi16(cospi_30_64, cospi_2_64); const __m128i k__cospi_p14_p18 = pair_set_epi16(cospi_14_64, cospi_18_64); const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64); const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64); const __m128i k__cospi_p22_p10 = pair_set_epi16(cospi_22_64, cospi_10_64); const __m128i k__cospi_p06_p26 = pair_set_epi16(cospi_6_64, cospi_26_64); const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64); const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64); const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); // stage 1 i[0] = _mm_add_epi16(in[0], in[15]); i[1] = _mm_add_epi16(in[1], in[14]); i[2] = _mm_add_epi16(in[2], in[13]); i[3] = _mm_add_epi16(in[3], in[12]); i[4] = _mm_add_epi16(in[4], in[11]); i[5] = _mm_add_epi16(in[5], in[10]); i[6] = _mm_add_epi16(in[6], in[9]); i[7] = _mm_add_epi16(in[7], in[8]); s[0] = _mm_sub_epi16(in[7], in[8]); s[1] = _mm_sub_epi16(in[6], in[9]); s[2] = _mm_sub_epi16(in[5], in[10]); s[3] = _mm_sub_epi16(in[4], in[11]); s[4] = _mm_sub_epi16(in[3], in[12]); s[5] = _mm_sub_epi16(in[2], in[13]); s[6] = _mm_sub_epi16(in[1], in[14]); s[7] = _mm_sub_epi16(in[0], in[15]); p[0] = _mm_add_epi16(i[0], i[7]); p[1] = _mm_add_epi16(i[1], i[6]); p[2] = _mm_add_epi16(i[2], i[5]); p[3] = _mm_add_epi16(i[3], i[4]); p[4] = _mm_sub_epi16(i[3], i[4]); p[5] = _mm_sub_epi16(i[2], i[5]); p[6] = _mm_sub_epi16(i[1], i[6]); p[7] = _mm_sub_epi16(i[0], i[7]); u[0] = _mm_add_epi16(p[0], p[3]); u[1] = _mm_add_epi16(p[1], p[2]); u[2] = _mm_sub_epi16(p[1], p[2]); u[3] = _mm_sub_epi16(p[0], p[3]); v[0] = _mm_unpacklo_epi16(u[0], u[1]); v[1] = _mm_unpackhi_epi16(u[0], u[1]); v[2] = _mm_unpacklo_epi16(u[2], u[3]); v[3] = _mm_unpackhi_epi16(u[2], u[3]); u[0] = _mm_madd_epi16(v[0], k__cospi_p16_p16); u[1] = _mm_madd_epi16(v[1], k__cospi_p16_p16); u[2] = _mm_madd_epi16(v[0], k__cospi_p16_m16); u[3] = _mm_madd_epi16(v[1], k__cospi_p16_m16); u[4] = _mm_madd_epi16(v[2], k__cospi_p24_p08); u[5] = _mm_madd_epi16(v[3], k__cospi_p24_p08); u[6] = _mm_madd_epi16(v[2], k__cospi_m08_p24); u[7] = _mm_madd_epi16(v[3], k__cospi_m08_p24); 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); 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); in[0] = _mm_packs_epi32(u[0], u[1]); in[4] = _mm_packs_epi32(u[4], u[5]); in[8] = _mm_packs_epi32(u[2], u[3]); in[12] = _mm_packs_epi32(u[6], u[7]); u[0] = _mm_unpacklo_epi16(p[5], p[6]); u[1] = _mm_unpackhi_epi16(p[5], p[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); 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[2], v[3]); t[0] = _mm_add_epi16(p[4], u[0]); t[1] = _mm_sub_epi16(p[4], u[0]); t[2] = _mm_sub_epi16(p[7], u[1]); t[3] = _mm_add_epi16(p[7], u[1]); u[0] = _mm_unpacklo_epi16(t[0], t[3]); u[1] = _mm_unpackhi_epi16(t[0], t[3]); u[2] = _mm_unpacklo_epi16(t[1], t[2]); u[3] = _mm_unpackhi_epi16(t[1], t[2]); v[0] = _mm_madd_epi16(u[0], k__cospi_p28_p04); v[1] = _mm_madd_epi16(u[1], k__cospi_p28_p04); v[2] = _mm_madd_epi16(u[2], k__cospi_p12_p20); v[3] = _mm_madd_epi16(u[3], k__cospi_p12_p20); v[4] = _mm_madd_epi16(u[2], k__cospi_m20_p12); v[5] = _mm_madd_epi16(u[3], k__cospi_m20_p12); v[6] = _mm_madd_epi16(u[0], k__cospi_m04_p28); v[7] = _mm_madd_epi16(u[1], k__cospi_m04_p28); 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); 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); in[2] = _mm_packs_epi32(v[0], v[1]); in[6] = _mm_packs_epi32(v[4], v[5]); in[10] = _mm_packs_epi32(v[2], v[3]); in[14] = _mm_packs_epi32(v[6], v[7]); // stage 2 u[0] = _mm_unpacklo_epi16(s[2], s[5]); u[1] = _mm_unpackhi_epi16(s[2], s[5]); u[2] = _mm_unpacklo_epi16(s[3], s[4]); u[3] = _mm_unpackhi_epi16(s[3], s[4]); 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[2], k__cospi_m16_p16); v[3] = _mm_madd_epi16(u[3], k__cospi_m16_p16); 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[0], k__cospi_p16_p16); v[7] = _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[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); 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); t[2] = _mm_packs_epi32(v[0], v[1]); t[3] = _mm_packs_epi32(v[2], v[3]); t[4] = _mm_packs_epi32(v[4], v[5]); t[5] = _mm_packs_epi32(v[6], v[7]); // stage 3 p[0] = _mm_add_epi16(s[0], t[3]); p[1] = _mm_add_epi16(s[1], t[2]); p[2] = _mm_sub_epi16(s[1], t[2]); p[3] = _mm_sub_epi16(s[0], t[3]); p[4] = _mm_sub_epi16(s[7], t[4]); p[5] = _mm_sub_epi16(s[6], t[5]); p[6] = _mm_add_epi16(s[6], t[5]); p[7] = _mm_add_epi16(s[7], t[4]); // stage 4 u[0] = _mm_unpacklo_epi16(p[1], p[6]); u[1] = _mm_unpackhi_epi16(p[1], p[6]); u[2] = _mm_unpacklo_epi16(p[2], p[5]); u[3] = _mm_unpackhi_epi16(p[2], p[5]); v[0] = _mm_madd_epi16(u[0], k__cospi_m08_p24); v[1] = _mm_madd_epi16(u[1], k__cospi_m08_p24); v[2] = _mm_madd_epi16(u[2], k__cospi_p24_p08); v[3] = _mm_madd_epi16(u[3], k__cospi_p24_p08); v[4] = _mm_madd_epi16(u[2], k__cospi_p08_m24); v[5] = _mm_madd_epi16(u[3], k__cospi_p08_m24); v[6] = _mm_madd_epi16(u[0], k__cospi_p24_p08); v[7] = _mm_madd_epi16(u[1], k__cospi_p24_p08); 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); 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); t[1] = _mm_packs_epi32(v[0], v[1]); t[2] = _mm_packs_epi32(v[2], v[3]); t[5] = _mm_packs_epi32(v[4], v[5]); t[6] = _mm_packs_epi32(v[6], v[7]); // stage 5 s[0] = _mm_add_epi16(p[0], t[1]); s[1] = _mm_sub_epi16(p[0], t[1]); s[2] = _mm_add_epi16(p[3], t[2]); s[3] = _mm_sub_epi16(p[3], t[2]); s[4] = _mm_sub_epi16(p[4], t[5]); s[5] = _mm_add_epi16(p[4], t[5]); s[6] = _mm_sub_epi16(p[7], t[6]); s[7] = _mm_add_epi16(p[7], t[6]); // stage 6 u[0] = _mm_unpacklo_epi16(s[0], s[7]); u[1] = _mm_unpackhi_epi16(s[0], s[7]); u[2] = _mm_unpacklo_epi16(s[1], s[6]); u[3] = _mm_unpackhi_epi16(s[1], s[6]); u[4] = _mm_unpacklo_epi16(s[2], s[5]); u[5] = _mm_unpackhi_epi16(s[2], s[5]); u[6] = _mm_unpacklo_epi16(s[3], s[4]); u[7] = _mm_unpackhi_epi16(s[3], s[4]); v[0] = _mm_madd_epi16(u[0], k__cospi_p30_p02); v[1] = _mm_madd_epi16(u[1], k__cospi_p30_p02); v[2] = _mm_madd_epi16(u[2], k__cospi_p14_p18); v[3] = _mm_madd_epi16(u[3], k__cospi_p14_p18); v[4] = _mm_madd_epi16(u[4], k__cospi_p22_p10); v[5] = _mm_madd_epi16(u[5], k__cospi_p22_p10); v[6] = _mm_madd_epi16(u[6], k__cospi_p06_p26); v[7] = _mm_madd_epi16(u[7], k__cospi_p06_p26); v[8] = _mm_madd_epi16(u[6], k__cospi_m26_p06); v[9] = _mm_madd_epi16(u[7], k__cospi_m26_p06); v[10] = _mm_madd_epi16(u[4], k__cospi_m10_p22); v[11] = _mm_madd_epi16(u[5], k__cospi_m10_p22); v[12] = _mm_madd_epi16(u[2], k__cospi_m18_p14); v[13] = _mm_madd_epi16(u[3], k__cospi_m18_p14); v[14] = _mm_madd_epi16(u[0], k__cospi_m02_p30); v[15] = _mm_madd_epi16(u[1], k__cospi_m02_p30); 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[1] = _mm_packs_epi32(v[0], v[1]); in[9] = _mm_packs_epi32(v[2], v[3]); in[5] = _mm_packs_epi32(v[4], v[5]); in[13] = _mm_packs_epi32(v[6], v[7]); in[3] = _mm_packs_epi32(v[8], v[9]); in[11] = _mm_packs_epi32(v[10], v[11]); in[7] = _mm_packs_epi32(v[12], v[13]); in[15] = _mm_packs_epi32(v[14], v[15]); } static void fadst16_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 fdct16_sse2(__m128i *in0, __m128i *in1) { fdct16_8col(in0); fdct16_8col(in1); array_transpose_16x16(in0, in1); } static void fadst16_sse2(__m128i *in0, __m128i *in1) { fadst16_8col(in0); fadst16_8col(in1); array_transpose_16x16(in0, in1); } void vp10_fht16x16_sse2(const int16_t *input, tran_low_t *output, int stride, int tx_type) { __m128i in0[16], in1[16]; switch (tx_type) { case DCT_DCT: vpx_fdct16x16_sse2(input, output, stride); break; case ADST_DCT: load_buffer_16x16(input, in0, in1, stride); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fdct16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case DCT_ADST: load_buffer_16x16(input, in0, in1, stride); fdct16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; case ADST_ADST: load_buffer_16x16(input, in0, in1, stride); fadst16_sse2(in0, in1); right_shift_16x16(in0, in1); fadst16_sse2(in0, in1); write_buffer_16x16(output, in0, in1, 16); break; default: assert(0); break; } }