/* * 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 // SSE2 #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/x86/inv_txfm_sse2.h" #include "vpx_dsp/x86/transpose_sse2.h" #include "vpx_dsp/x86/txfm_common_sse2.h" static INLINE void transpose_16bit_4(__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 vpx_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i eight = _mm_set1_epi16(8); __m128i in[2]; // Rows in[0] = load_input_data8(input); in[1] = load_input_data8(input + 8); idct4_sse2(in); // Columns idct4_sse2(in); // Final round and shift in[0] = _mm_add_epi16(in[0], eight); in[1] = _mm_add_epi16(in[1], eight); in[0] = _mm_srai_epi16(in[0], 4); in[1] = _mm_srai_epi16(in[1], 4); recon_and_store4x4_sse2(in, dest, stride); } void vpx_idct4x4_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { const __m128i zero = _mm_setzero_si128(); int a; __m128i dc_value, d[2]; 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); // Reconstruction and Store d[0] = _mm_cvtsi32_si128(*(const int *)(dest)); d[1] = _mm_cvtsi32_si128(*(const int *)(dest + stride * 3)); d[0] = _mm_unpacklo_epi32(d[0], _mm_cvtsi32_si128(*(const int *)(dest + stride))); d[1] = _mm_unpacklo_epi32( _mm_cvtsi32_si128(*(const int *)(dest + stride * 2)), d[1]); d[0] = _mm_unpacklo_epi8(d[0], zero); d[1] = _mm_unpacklo_epi8(d[1], zero); d[0] = _mm_add_epi16(d[0], dc_value); d[1] = _mm_add_epi16(d[1], dc_value); d[0] = _mm_packus_epi16(d[0], d[1]); *(int *)dest = _mm_cvtsi128_si32(d[0]); d[0] = _mm_srli_si128(d[0], 4); *(int *)(dest + stride) = _mm_cvtsi128_si32(d[0]); d[0] = _mm_srli_si128(d[0], 4); *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d[0]); d[0] = _mm_srli_si128(d[0], 4); *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d[0]); } 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); __m128i u[2]; transpose_16bit_4(in); // stage 1 u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpackhi_epi16(in[0], in[1]); u[0] = idct_calc_wraplow_sse2(k__cospi_p16_p16, k__cospi_p16_m16, u[0]); u[1] = idct_calc_wraplow_sse2(k__cospi_p08_p24, k__cospi_p24_m08, u[1]); // 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_16bit_4(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]); } void vpx_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i in[8]; int i; // Load input data. load_buffer_8x8(input, in); // 2-D for (i = 0; i < 2; i++) { idct8_sse2(in); } write_buffer_8x8(in, dest, stride); } void vpx_idct8x8_12_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i io[8]; io[0] = load_input_data4(input + 0 * 8); io[1] = load_input_data4(input + 1 * 8); io[2] = load_input_data4(input + 2 * 8); io[3] = load_input_data4(input + 3 * 8); idct8x8_12_add_kernel_sse2(io); write_buffer_8x8(io, dest, stride); } static INLINE void recon_and_store_8_dual(uint8_t *const dest, const __m128i in_x, const int stride) { const __m128i zero = _mm_setzero_si128(); __m128i d0, d1; d0 = _mm_loadl_epi64((__m128i *)(dest + 0 * stride)); d1 = _mm_loadl_epi64((__m128i *)(dest + 1 * stride)); d0 = _mm_unpacklo_epi8(d0, zero); d1 = _mm_unpacklo_epi8(d1, zero); d0 = _mm_add_epi16(in_x, d0); d1 = _mm_add_epi16(in_x, d1); d0 = _mm_packus_epi16(d0, d1); _mm_storel_epi64((__m128i *)(dest + 0 * stride), d0); _mm_storeh_pi((__m64 *)(dest + 1 * stride), _mm_castsi128_ps(d0)); } void vpx_idct8x8_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; tran_high_t a1; tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64)); out = WRAPLOW(dct_const_round_shift(out * cospi_16_64)); a1 = ROUND_POWER_OF_TWO(out, 5); dc_value = _mm_set1_epi16((int16_t)a1); recon_and_store_8_dual(dest, dc_value, stride); dest += 2 * stride; recon_and_store_8_dual(dest, dc_value, stride); dest += 2 * stride; recon_and_store_8_dual(dest, dc_value, stride); dest += 2 * stride; recon_and_store_8_dual(dest, dc_value, stride); } void idct8_sse2(__m128i *in) { // 8x8 Transpose is copied from vpx_fdct8x8_sse2() transpose_16bit_8x8(in, in); // 4-stage 1D idct8x8 idct8(in, in); } 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 transpose_16bit_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); s2 = idct_calc_wraplow_sse2(u0, u1, k__cospi_p16_p16); s3 = idct_calc_wraplow_sse2(u0, u1, k__cospi_p16_m16); s6 = idct_calc_wraplow_sse2(u2, u3, k__cospi_p16_p16); s7 = idct_calc_wraplow_sse2(u2, u3, k__cospi_p16_m16); 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); } static INLINE void idct16_load8x8(const tran_low_t *const input, __m128i *const in) { in[0] = load_input_data8(input + 0 * 16); in[1] = load_input_data8(input + 1 * 16); in[2] = load_input_data8(input + 2 * 16); in[3] = load_input_data8(input + 3 * 16); in[4] = load_input_data8(input + 4 * 16); in[5] = load_input_data8(input + 5 * 16); in[6] = load_input_data8(input + 6 * 16); in[7] = load_input_data8(input + 7 * 16); } static INLINE void write_buffer_8x1(uint8_t *const dest, const __m128i in) { const __m128i final_rounding = _mm_set1_epi16(1 << 5); __m128i out; out = _mm_adds_epi16(in, final_rounding); out = _mm_srai_epi16(out, 6); recon_and_store(dest, out); } void vpx_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i l[16], r[16], out[16], *in; int i; in = l; for (i = 0; i < 2; i++) { idct16_load8x8(input, in); transpose_16bit_8x8(in, in); idct16_load8x8(input + 8, in + 8); transpose_16bit_8x8(in + 8, in + 8); idct16_8col(in); in = r; input += 128; } for (i = 0; i < 16; i += 8) { int j; transpose_16bit_8x8(l + i, out); transpose_16bit_8x8(r + i, out + 8); idct16_8col(out); for (j = 0; j < 16; ++j) { write_buffer_8x1(dest + j * stride, out[j]); } dest += 8; } } void vpx_idct16x16_38_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i in[16], out[16]; int i; idct16_load8x8(input, in); transpose_16bit_8x8(in, in); in[8] = _mm_setzero_si128(); in[9] = _mm_setzero_si128(); in[10] = _mm_setzero_si128(); in[11] = _mm_setzero_si128(); in[12] = _mm_setzero_si128(); in[13] = _mm_setzero_si128(); in[14] = _mm_setzero_si128(); in[15] = _mm_setzero_si128(); idct16_8col(in); for (i = 0; i < 16; i += 8) { int j; transpose_16bit_8x8(in + i, out); out[8] = _mm_setzero_si128(); out[9] = _mm_setzero_si128(); out[10] = _mm_setzero_si128(); out[11] = _mm_setzero_si128(); out[12] = _mm_setzero_si128(); out[13] = _mm_setzero_si128(); out[14] = _mm_setzero_si128(); out[15] = _mm_setzero_si128(); idct16_8col(out); for (j = 0; j < 16; ++j) { write_buffer_8x1(dest + j * stride, out[j]); } dest += 8; } } void vpx_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i in[16], l[16]; int i; // First 1-D inverse DCT // Load input data. in[0] = load_input_data4(input + 0 * 16); in[1] = load_input_data4(input + 1 * 16); in[2] = load_input_data4(input + 2 * 16); in[3] = load_input_data4(input + 3 * 16); idct16x16_10_pass1(in, l); // Second 1-D inverse transform, performed per 8x16 block for (i = 0; i < 16; i += 8) { int j; idct16x16_10_pass2(l + i, in); for (j = 0; j < 16; ++j) { write_buffer_8x1(dest + j * stride, in[j]); } dest += 8; } } static INLINE void recon_and_store_16(uint8_t *const dest, const __m128i in_x) { const __m128i zero = _mm_setzero_si128(); __m128i d0, d1; d0 = _mm_load_si128((__m128i *)(dest)); d1 = _mm_unpackhi_epi8(d0, zero); d0 = _mm_unpacklo_epi8(d0, zero); d0 = _mm_add_epi16(in_x, d0); d1 = _mm_add_epi16(in_x, d1); d0 = _mm_packus_epi16(d0, d1); _mm_store_si128((__m128i *)(dest), d0); } void vpx_idct16x16_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; int i; tran_high_t a1; tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64)); out = WRAPLOW(dct_const_round_shift(out * cospi_16_64)); a1 = ROUND_POWER_OF_TWO(out, 6); dc_value = _mm_set1_epi16((int16_t)a1); for (i = 0; i < 16; ++i) { recon_and_store_16(dest, 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]); in[7] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_m16_m16); in[8] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_m16); in[4] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_p16); in[11] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_m16_p16); in[6] = idct_calc_wraplow_sse2(u[4], u[5], k__cospi_p16_p16); in[9] = idct_calc_wraplow_sse2(u[4], u[5], k__cospi_m16_p16); in[5] = idct_calc_wraplow_sse2(u[6], u[7], k__cospi_m16_m16); in[10] = idct_calc_wraplow_sse2(u[6], u[7], k__cospi_p16_m16); 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[12] = s[5]; in[13] = _mm_sub_epi16(kZero, s[13]); in[14] = s[9]; in[15] = _mm_sub_epi16(kZero, s[1]); } void idct16_sse2(__m128i *in0, __m128i *in1) { transpose_16bit_16x16(in0, in1); idct16_8col(in0); idct16_8col(in1); } void iadst16_sse2(__m128i *in0, __m128i *in1) { transpose_16bit_16x16(in0, in1); iadst16_8col(in0); iadst16_8col(in1); } // For each 8x32 block __m128i in[32], // Input with index, 0, 4 // output pixels: 0-7 in __m128i out[32] static INLINE void idct32x32_34_8x32_quarter_1(const __m128i *in /*in[32]*/, __m128i *out /*out[8]*/) { const __m128i zero = _mm_setzero_si128(); __m128i step1[32], step2[32]; // stage 3 butterfly(in[4], zero, (int)cospi_28_64, (int)cospi_4_64, &step1[4], &step1[7]); // stage 4 butterfly(in[0], zero, (int)cospi_16_64, (int)cospi_16_64, &step2[1], &step2[0]); step2[4] = step1[4]; step2[5] = step1[4]; step2[6] = step1[7]; step2[7] = step1[7]; // stage 5 step1[0] = step2[0]; step1[1] = step2[1]; step1[2] = step2[1]; step1[3] = step2[0]; step1[4] = step2[4]; butterfly(step2[6], step2[5], (int)cospi_16_64, (int)cospi_16_64, &step1[5], &step1[6]); step1[7] = step2[7]; // stage 6 out[0] = _mm_add_epi16(step1[0], step1[7]); out[1] = _mm_add_epi16(step1[1], step1[6]); out[2] = _mm_add_epi16(step1[2], step1[5]); out[3] = _mm_add_epi16(step1[3], step1[4]); out[4] = _mm_sub_epi16(step1[3], step1[4]); out[5] = _mm_sub_epi16(step1[2], step1[5]); out[6] = _mm_sub_epi16(step1[1], step1[6]); out[7] = _mm_sub_epi16(step1[0], step1[7]); } // For each 8x32 block __m128i in[32], // Input with index, 2, 6 // output pixels: 8-15 in __m128i out[32] static INLINE void idct32x32_34_8x32_quarter_2(const __m128i *in /*in[32]*/, __m128i *out /*out[16]*/) { const __m128i zero = _mm_setzero_si128(); __m128i step1[32], step2[32]; // stage 2 butterfly(in[2], zero, (int)cospi_30_64, (int)cospi_2_64, &step2[8], &step2[15]); butterfly(zero, zero, (int)cospi_14_64, (int)cospi_18_64, &step2[9], &step2[14]); butterfly(zero, zero, (int)cospi_22_64, (int)cospi_10_64, &step2[10], &step2[13]); butterfly(zero, in[6], (int)cospi_6_64, (int)cospi_26_64, &step2[11], &step2[12]); // stage 3 step1[8] = _mm_add_epi16(step2[8], step2[9]); step1[9] = _mm_sub_epi16(step2[8], step2[9]); step1[14] = _mm_sub_epi16(step2[15], step2[14]); step1[15] = _mm_add_epi16(step2[15], step2[14]); step1[10] = _mm_sub_epi16(step2[11], step2[10]); step1[11] = _mm_add_epi16(step2[11], step2[10]); step1[12] = _mm_add_epi16(step2[12], step2[13]); step1[13] = _mm_sub_epi16(step2[12], step2[13]); // stage 4 step2[8] = step1[8]; step2[15] = step1[15]; butterfly(step1[14], step1[9], (int)cospi_24_64, (int)cospi_8_64, &step2[9], &step2[14]); butterfly(step1[13], step1[10], -(int)cospi_8_64, (int)cospi_24_64, &step2[10], &step2[13]); step2[11] = step1[11]; step2[12] = step1[12]; // stage 5 step1[8] = _mm_add_epi16(step2[8], step2[11]); step1[9] = _mm_add_epi16(step2[9], step2[10]); step1[10] = _mm_sub_epi16(step2[9], step2[10]); step1[11] = _mm_sub_epi16(step2[8], step2[11]); step1[12] = _mm_sub_epi16(step2[15], step2[12]); step1[13] = _mm_sub_epi16(step2[14], step2[13]); step1[14] = _mm_add_epi16(step2[14], step2[13]); step1[15] = _mm_add_epi16(step2[15], step2[12]); // stage 6 out[8] = step1[8]; out[9] = step1[9]; butterfly(step1[13], step1[10], (int)cospi_16_64, (int)cospi_16_64, &out[10], &out[13]); butterfly(step1[12], step1[11], (int)cospi_16_64, (int)cospi_16_64, &out[11], &out[12]); out[14] = step1[14]; out[15] = step1[15]; } // For each 8x32 block __m128i in[32], // Input with odd index, 1, 3, 5, 7, 9, 11, 13, 15 // output pixels: 16-23, 24-31 in __m128i out[32] static INLINE void idct32x32_34_8x32_quarter_3_4(const __m128i *in /*in[32]*/, __m128i *out /*out[32]*/) { const __m128i zero = _mm_setzero_si128(); __m128i step1[32], step2[32]; // stage 1 butterfly(in[1], zero, (int)cospi_31_64, (int)cospi_1_64, &step1[16], &step1[31]); butterfly(zero, in[7], (int)cospi_7_64, (int)cospi_25_64, &step1[19], &step1[28]); butterfly(in[5], zero, (int)cospi_27_64, (int)cospi_5_64, &step1[20], &step1[27]); butterfly(zero, in[3], (int)cospi_3_64, (int)cospi_29_64, &step1[23], &step1[24]); // stage 2 step2[16] = step1[16]; step2[17] = step1[16]; step2[18] = step1[19]; step2[19] = step1[19]; step2[20] = step1[20]; step2[21] = step1[20]; step2[22] = step1[23]; step2[23] = step1[23]; step2[24] = step1[24]; step2[25] = step1[24]; step2[26] = step1[27]; step2[27] = step1[27]; step2[28] = step1[28]; step2[29] = step1[28]; step2[30] = step1[31]; step2[31] = step1[31]; // stage 3 step1[16] = step2[16]; step1[31] = step2[31]; butterfly(step2[30], step2[17], (int)cospi_28_64, (int)cospi_4_64, &step1[17], &step1[30]); butterfly(step2[29], step2[18], -(int)cospi_4_64, (int)cospi_28_64, &step1[18], &step1[29]); step1[19] = step2[19]; step1[20] = step2[20]; butterfly(step2[26], step2[21], (int)cospi_12_64, (int)cospi_20_64, &step1[21], &step1[26]); butterfly(step2[25], step2[22], -(int)cospi_20_64, (int)cospi_12_64, &step1[22], &step1[25]); step1[23] = step2[23]; step1[24] = step2[24]; step1[27] = step2[27]; step1[28] = step2[28]; // stage 4 step2[16] = _mm_add_epi16(step1[16], step1[19]); step2[17] = _mm_add_epi16(step1[17], step1[18]); step2[18] = _mm_sub_epi16(step1[17], step1[18]); step2[19] = _mm_sub_epi16(step1[16], step1[19]); step2[20] = _mm_sub_epi16(step1[23], step1[20]); step2[21] = _mm_sub_epi16(step1[22], step1[21]); step2[22] = _mm_add_epi16(step1[22], step1[21]); step2[23] = _mm_add_epi16(step1[23], step1[20]); step2[24] = _mm_add_epi16(step1[24], step1[27]); step2[25] = _mm_add_epi16(step1[25], step1[26]); step2[26] = _mm_sub_epi16(step1[25], step1[26]); step2[27] = _mm_sub_epi16(step1[24], step1[27]); step2[28] = _mm_sub_epi16(step1[31], step1[28]); step2[29] = _mm_sub_epi16(step1[30], step1[29]); step2[30] = _mm_add_epi16(step1[29], step1[30]); step2[31] = _mm_add_epi16(step1[28], step1[31]); // stage 5 step1[16] = step2[16]; step1[17] = step2[17]; butterfly(step2[29], step2[18], (int)cospi_24_64, (int)cospi_8_64, &step1[18], &step1[29]); butterfly(step2[28], step2[19], (int)cospi_24_64, (int)cospi_8_64, &step1[19], &step1[28]); butterfly(step2[27], step2[20], -(int)cospi_8_64, (int)cospi_24_64, &step1[20], &step1[27]); butterfly(step2[26], step2[21], -(int)cospi_8_64, (int)cospi_24_64, &step1[21], &step1[26]); step1[22] = step2[22]; step1[23] = step2[23]; step1[24] = step2[24]; step1[25] = step2[25]; step1[30] = step2[30]; step1[31] = step2[31]; // stage 6 step2[16] = _mm_add_epi16(step1[16], step1[23]); step2[17] = _mm_add_epi16(step1[17], step1[22]); step2[18] = _mm_add_epi16(step1[18], step1[21]); step2[19] = _mm_add_epi16(step1[19], step1[20]); step2[20] = _mm_sub_epi16(step1[19], step1[20]); step2[21] = _mm_sub_epi16(step1[18], step1[21]); step2[22] = _mm_sub_epi16(step1[17], step1[22]); step2[23] = _mm_sub_epi16(step1[16], step1[23]); step2[24] = _mm_sub_epi16(step1[31], step1[24]); step2[25] = _mm_sub_epi16(step1[30], step1[25]); step2[26] = _mm_sub_epi16(step1[29], step1[26]); step2[27] = _mm_sub_epi16(step1[28], step1[27]); step2[28] = _mm_add_epi16(step1[27], step1[28]); step2[29] = _mm_add_epi16(step1[26], step1[29]); step2[30] = _mm_add_epi16(step1[25], step1[30]); step2[31] = _mm_add_epi16(step1[24], step1[31]); // stage 7 out[16] = step2[16]; out[17] = step2[17]; out[18] = step2[18]; out[19] = step2[19]; butterfly(step2[27], step2[20], (int)cospi_16_64, (int)cospi_16_64, &out[20], &out[27]); butterfly(step2[26], step2[21], (int)cospi_16_64, (int)cospi_16_64, &out[21], &out[26]); butterfly(step2[25], step2[22], (int)cospi_16_64, (int)cospi_16_64, &out[22], &out[25]); butterfly(step2[24], step2[23], (int)cospi_16_64, (int)cospi_16_64, &out[23], &out[24]); out[28] = step2[28]; out[29] = step2[29]; out[30] = step2[30]; out[31] = step2[31]; } static INLINE void idct32x32_34_8x32(const __m128i *in /*in[32]*/, __m128i *out /*out[32]*/) { __m128i step1[32], step2[32]; transpose_16bit_8x8(in, out); idct32x32_34_8x32_quarter_1(out, step2); idct32x32_34_8x32_quarter_2(out, step2); // stage 7 add_sub_butterfly(step2, step1, 16); idct32x32_34_8x32_quarter_3_4(out, step1); // final stage add_sub_butterfly(step1, out, 32); } // Only upper-left 8x8 has non-zero coeff void vpx_idct32x32_34_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i in[8], col[32], out[32]; int i; // Load input data. Only need to load the top left 8x8 block. in[0] = load_input_data8(input + 0 * 32); in[1] = load_input_data8(input + 1 * 32); in[2] = load_input_data8(input + 2 * 32); in[3] = load_input_data8(input + 3 * 32); in[4] = load_input_data8(input + 4 * 32); in[5] = load_input_data8(input + 5 * 32); in[6] = load_input_data8(input + 6 * 32); in[7] = load_input_data8(input + 7 * 32); idct32x32_34_8x32(in, col); for (i = 0; i < 32; i += 8) { int j; idct32x32_34_8x32(col + i, out); for (j = 0; j < 32; ++j) { write_buffer_8x1(dest + j * stride, out[j]); } dest += 8; } } // For each 8x32 block __m128i in[32], // Input with index, 0, 4, 8, 12, 16, 20, 24, 28 // output pixels: 0-7 in __m128i out[32] static INLINE void idct32_full_8x32_quarter_1(const __m128i *in /*in[32]*/, __m128i *out /*out[8]*/) { __m128i step1[32], step2[32]; // stage 3 butterfly(in[4], in[28], (int)cospi_28_64, (int)cospi_4_64, &step1[4], &step1[7]); butterfly(in[20], in[12], (int)cospi_12_64, (int)cospi_20_64, &step1[5], &step1[6]); // stage 4 butterfly(in[0], in[16], (int)cospi_16_64, (int)cospi_16_64, &step2[1], &step2[0]); butterfly(in[8], in[24], (int)cospi_24_64, (int)cospi_8_64, &step2[2], &step2[3]); step2[4] = _mm_add_epi16(step1[4], step1[5]); step2[5] = _mm_sub_epi16(step1[4], step1[5]); step2[6] = _mm_sub_epi16(step1[7], step1[6]); step2[7] = _mm_add_epi16(step1[7], step1[6]); // stage 5 step1[0] = _mm_add_epi16(step2[0], step2[3]); step1[1] = _mm_add_epi16(step2[1], step2[2]); step1[2] = _mm_sub_epi16(step2[1], step2[2]); step1[3] = _mm_sub_epi16(step2[0], step2[3]); step1[4] = step2[4]; butterfly(step2[6], step2[5], (int)cospi_16_64, (int)cospi_16_64, &step1[5], &step1[6]); step1[7] = step2[7]; // stage 6 out[0] = _mm_add_epi16(step1[0], step1[7]); out[1] = _mm_add_epi16(step1[1], step1[6]); out[2] = _mm_add_epi16(step1[2], step1[5]); out[3] = _mm_add_epi16(step1[3], step1[4]); out[4] = _mm_sub_epi16(step1[3], step1[4]); out[5] = _mm_sub_epi16(step1[2], step1[5]); out[6] = _mm_sub_epi16(step1[1], step1[6]); out[7] = _mm_sub_epi16(step1[0], step1[7]); } // For each 8x32 block __m128i in[32], // Input with index, 2, 6, 10, 14, 18, 22, 26, 30 // output pixels: 8-15 in __m128i out[32] static INLINE void idct32_full_8x32_quarter_2(const __m128i *in /*in[32]*/, __m128i *out /*out[16]*/) { __m128i step1[32], step2[32]; // stage 2 butterfly(in[2], in[30], (int)cospi_30_64, (int)cospi_2_64, &step2[8], &step2[15]); butterfly(in[18], in[14], (int)cospi_14_64, (int)cospi_18_64, &step2[9], &step2[14]); butterfly(in[10], in[22], (int)cospi_22_64, (int)cospi_10_64, &step2[10], &step2[13]); butterfly(in[26], in[6], (int)cospi_6_64, (int)cospi_26_64, &step2[11], &step2[12]); // stage 3 step1[8] = _mm_add_epi16(step2[8], step2[9]); step1[9] = _mm_sub_epi16(step2[8], step2[9]); step1[14] = _mm_sub_epi16(step2[15], step2[14]); step1[15] = _mm_add_epi16(step2[15], step2[14]); step1[10] = _mm_sub_epi16(step2[11], step2[10]); step1[11] = _mm_add_epi16(step2[11], step2[10]); step1[12] = _mm_add_epi16(step2[12], step2[13]); step1[13] = _mm_sub_epi16(step2[12], step2[13]); // stage 4 step2[8] = step1[8]; step2[15] = step1[15]; butterfly(step1[14], step1[9], (int)cospi_24_64, (int)cospi_8_64, &step2[9], &step2[14]); butterfly(step1[13], step1[10], -(int)cospi_8_64, (int)cospi_24_64, &step2[10], &step2[13]); step2[11] = step1[11]; step2[12] = step1[12]; // stage 5 step1[8] = _mm_add_epi16(step2[8], step2[11]); step1[9] = _mm_add_epi16(step2[9], step2[10]); step1[10] = _mm_sub_epi16(step2[9], step2[10]); step1[11] = _mm_sub_epi16(step2[8], step2[11]); step1[12] = _mm_sub_epi16(step2[15], step2[12]); step1[13] = _mm_sub_epi16(step2[14], step2[13]); step1[14] = _mm_add_epi16(step2[14], step2[13]); step1[15] = _mm_add_epi16(step2[15], step2[12]); // stage 6 out[8] = step1[8]; out[9] = step1[9]; butterfly(step1[13], step1[10], (int)cospi_16_64, (int)cospi_16_64, &out[10], &out[13]); butterfly(step1[12], step1[11], (int)cospi_16_64, (int)cospi_16_64, &out[11], &out[12]); out[14] = step1[14]; out[15] = step1[15]; } // For each 8x32 block __m128i in[32], // Input with odd index, // 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 // output pixels: 16-23, 24-31 in __m128i out[32] static INLINE void idct32_full_8x32_quarter_3_4(const __m128i *in /*in[32]*/, __m128i *out /*out[32]*/) { __m128i step1[32], step2[32]; // stage 1 butterfly(in[1], in[31], (int)cospi_31_64, (int)cospi_1_64, &step1[16], &step1[31]); butterfly(in[17], in[15], (int)cospi_15_64, (int)cospi_17_64, &step1[17], &step1[30]); butterfly(in[9], in[23], (int)cospi_23_64, (int)cospi_9_64, &step1[18], &step1[29]); butterfly(in[25], in[7], (int)cospi_7_64, (int)cospi_25_64, &step1[19], &step1[28]); butterfly(in[5], in[27], (int)cospi_27_64, (int)cospi_5_64, &step1[20], &step1[27]); butterfly(in[21], in[11], (int)cospi_11_64, (int)cospi_21_64, &step1[21], &step1[26]); butterfly(in[13], in[19], (int)cospi_19_64, (int)cospi_13_64, &step1[22], &step1[25]); butterfly(in[29], in[3], (int)cospi_3_64, (int)cospi_29_64, &step1[23], &step1[24]); // stage 2 step2[16] = _mm_add_epi16(step1[16], step1[17]); step2[17] = _mm_sub_epi16(step1[16], step1[17]); step2[18] = _mm_sub_epi16(step1[19], step1[18]); step2[19] = _mm_add_epi16(step1[19], step1[18]); step2[20] = _mm_add_epi16(step1[20], step1[21]); step2[21] = _mm_sub_epi16(step1[20], step1[21]); step2[22] = _mm_sub_epi16(step1[23], step1[22]); step2[23] = _mm_add_epi16(step1[23], step1[22]); step2[24] = _mm_add_epi16(step1[24], step1[25]); step2[25] = _mm_sub_epi16(step1[24], step1[25]); step2[26] = _mm_sub_epi16(step1[27], step1[26]); step2[27] = _mm_add_epi16(step1[27], step1[26]); step2[28] = _mm_add_epi16(step1[28], step1[29]); step2[29] = _mm_sub_epi16(step1[28], step1[29]); step2[30] = _mm_sub_epi16(step1[31], step1[30]); step2[31] = _mm_add_epi16(step1[31], step1[30]); // stage 3 step1[16] = step2[16]; step1[31] = step2[31]; butterfly(step2[30], step2[17], (int)cospi_28_64, (int)cospi_4_64, &step1[17], &step1[30]); butterfly(step2[29], step2[18], -(int)cospi_4_64, (int)cospi_28_64, &step1[18], &step1[29]); step1[19] = step2[19]; step1[20] = step2[20]; butterfly(step2[26], step2[21], (int)cospi_12_64, (int)cospi_20_64, &step1[21], &step1[26]); butterfly(step2[25], step2[22], -(int)cospi_20_64, (int)cospi_12_64, &step1[22], &step1[25]); step1[23] = step2[23]; step1[24] = step2[24]; step1[27] = step2[27]; step1[28] = step2[28]; // stage 4 step2[16] = _mm_add_epi16(step1[16], step1[19]); step2[17] = _mm_add_epi16(step1[17], step1[18]); step2[18] = _mm_sub_epi16(step1[17], step1[18]); step2[19] = _mm_sub_epi16(step1[16], step1[19]); step2[20] = _mm_sub_epi16(step1[23], step1[20]); step2[21] = _mm_sub_epi16(step1[22], step1[21]); step2[22] = _mm_add_epi16(step1[22], step1[21]); step2[23] = _mm_add_epi16(step1[23], step1[20]); step2[24] = _mm_add_epi16(step1[24], step1[27]); step2[25] = _mm_add_epi16(step1[25], step1[26]); step2[26] = _mm_sub_epi16(step1[25], step1[26]); step2[27] = _mm_sub_epi16(step1[24], step1[27]); step2[28] = _mm_sub_epi16(step1[31], step1[28]); step2[29] = _mm_sub_epi16(step1[30], step1[29]); step2[30] = _mm_add_epi16(step1[29], step1[30]); step2[31] = _mm_add_epi16(step1[28], step1[31]); // stage 5 step1[16] = step2[16]; step1[17] = step2[17]; butterfly(step2[29], step2[18], (int)cospi_24_64, (int)cospi_8_64, &step1[18], &step1[29]); butterfly(step2[28], step2[19], (int)cospi_24_64, (int)cospi_8_64, &step1[19], &step1[28]); butterfly(step2[27], step2[20], -(int)cospi_8_64, (int)cospi_24_64, &step1[20], &step1[27]); butterfly(step2[26], step2[21], -(int)cospi_8_64, (int)cospi_24_64, &step1[21], &step1[26]); step1[22] = step2[22]; step1[23] = step2[23]; step1[24] = step2[24]; step1[25] = step2[25]; step1[30] = step2[30]; step1[31] = step2[31]; // stage 6 step2[16] = _mm_add_epi16(step1[16], step1[23]); step2[17] = _mm_add_epi16(step1[17], step1[22]); step2[18] = _mm_add_epi16(step1[18], step1[21]); step2[19] = _mm_add_epi16(step1[19], step1[20]); step2[20] = _mm_sub_epi16(step1[19], step1[20]); step2[21] = _mm_sub_epi16(step1[18], step1[21]); step2[22] = _mm_sub_epi16(step1[17], step1[22]); step2[23] = _mm_sub_epi16(step1[16], step1[23]); step2[24] = _mm_sub_epi16(step1[31], step1[24]); step2[25] = _mm_sub_epi16(step1[30], step1[25]); step2[26] = _mm_sub_epi16(step1[29], step1[26]); step2[27] = _mm_sub_epi16(step1[28], step1[27]); step2[28] = _mm_add_epi16(step1[27], step1[28]); step2[29] = _mm_add_epi16(step1[26], step1[29]); step2[30] = _mm_add_epi16(step1[25], step1[30]); step2[31] = _mm_add_epi16(step1[24], step1[31]); // stage 7 out[16] = step2[16]; out[17] = step2[17]; out[18] = step2[18]; out[19] = step2[19]; butterfly(step2[27], step2[20], (int)cospi_16_64, (int)cospi_16_64, &out[20], &out[27]); butterfly(step2[26], step2[21], (int)cospi_16_64, (int)cospi_16_64, &out[21], &out[26]); butterfly(step2[25], step2[22], (int)cospi_16_64, (int)cospi_16_64, &out[22], &out[25]); butterfly(step2[24], step2[23], (int)cospi_16_64, (int)cospi_16_64, &out[23], &out[24]); out[28] = step2[28]; out[29] = step2[29]; out[30] = step2[30]; out[31] = step2[31]; } static void idct32_full_8x32(const __m128i *in /*in[32]*/, __m128i *out /*out[32]*/) { __m128i step1[32], step2[32]; idct32_full_8x32_quarter_1(in, step2); idct32_full_8x32_quarter_2(in, step2); // stage 7 add_sub_butterfly(step2, step1, 16); idct32_full_8x32_quarter_3_4(in, step1); // final stage add_sub_butterfly(step1, out, 32); } static void idct32_load_buffer_8x16(const tran_low_t *input, __m128i *in) { int i; for (i = 0; i < 8; ++i) { in[i] = load_input_data8(input); in[i + 8] = load_input_data8(input + 8); input += 32; } } static void load_buffer_8x32(const tran_low_t *input, __m128i *in) { int i; for (i = 0; i < 8; ++i) { in[i] = load_input_data8(input); in[i + 8] = load_input_data8(input + 8); in[i + 16] = load_input_data8(input + 16); in[i + 24] = load_input_data8(input + 24); input += 32; } } void vpx_idct32x32_1024_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i col[128], in[32]; int i; // rows for (i = 0; i < 4 * 32; i += 32) { load_buffer_8x32(input, in); input += 32 << 3; // Transpose 32x8 block to 8x32 block transpose_16bit_8x8(in, in); transpose_16bit_8x8(in + 8, in + 8); transpose_16bit_8x8(in + 16, in + 16); transpose_16bit_8x8(in + 24, in + 24); idct32_full_8x32(in, col + i); } // columns for (i = 0; i < 32; i += 8) { // Transpose 32x8 block to 8x32 block transpose_16bit_8x8(col + i, in); transpose_16bit_8x8(col + i + 32, in + 8); transpose_16bit_8x8(col + i + 64, in + 16); transpose_16bit_8x8(col + i + 96, in + 24); idct32_full_8x32(in, in); store_buffer_8x32(in, dest, stride); dest += 8; } } void vpx_idct32x32_135_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i col[64], in[32]; int i, j; // rows for (i = 0; i < 2 * 32; i += 32) { idct32_load_buffer_8x16(input, in); input += 32 << 3; // Transpose 32x8 block to 8x32 block transpose_16bit_8x8(in, in); transpose_16bit_8x8(in + 8, in + 8); for (j = 16; j < 32; j++) { in[j] = _mm_setzero_si128(); } idct32_full_8x32(in, col + i); } // columns for (i = 0; i < 32; i += 8) { // Transpose 32x8 block to 8x32 block transpose_16bit_8x8(col + i, in); transpose_16bit_8x8(col + i + 32, in + 8); for (j = 16; j < 32; j++) { in[j] = _mm_setzero_si128(); } idct32_full_8x32(in, in); store_buffer_8x32(in, dest, stride); dest += 8; } } void vpx_idct32x32_1_add_sse2(const tran_low_t *input, uint8_t *dest, int stride) { __m128i dc_value; int j; tran_high_t a1; tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64)); out = WRAPLOW(dct_const_round_shift(out * cospi_16_64)); a1 = ROUND_POWER_OF_TWO(out, 6); dc_value = _mm_set1_epi16((int16_t)a1); for (j = 0; j < 32; ++j) { recon_and_store_16(dest + j * stride + 0, dc_value); recon_and_store_16(dest + j * stride + 16, dc_value); } }