From: levytamar82 Date: Thu, 24 Jul 2014 07:42:13 +0000 (-0700) Subject: Fix bug 805 X-Git-Tag: v1.4.0~1140 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4ba92dc5ab706c02ddae282fdeb4d3d098595eaf;p=libvpx Fix bug 805 Remove all the redundant dct functions (dct4x4, dct8x8) in avx2 except dct32x32 those functions were copied originally from dct_sse2 Change-Id: I742576fbf5175f3ac09f2076976a9247b259323e --- diff --git a/test/dct16x16_test.cc b/test/dct16x16_test.cc index bd7ddd8b6..ee417ce2e 100644 --- a/test/dct16x16_test.cc +++ b/test/dct16x16_test.cc @@ -606,29 +606,4 @@ INSTANTIATE_TEST_CASE_P( ::testing::Values( make_tuple(&vp9_fdct16x16_c, &vp9_idct16x16_256_add_ssse3, 0))); #endif - -#if HAVE_AVX2 -// TODO(jzern): these prototypes can be removed after the avx2 versions are -// reenabled in vp9_rtcd_defs.pl. -extern "C" { -void vp9_fdct16x16_avx2(const int16_t *input, int16_t *output, int stride); -void vp9_fht16x16_avx2(const int16_t *input, int16_t *output, int stride, - int tx_type); -} -INSTANTIATE_TEST_CASE_P( - DISABLED_AVX2, Trans16x16DCT, - ::testing::Values( - make_tuple(&vp9_fdct16x16_avx2, - &vp9_idct16x16_256_add_c, 0))); -INSTANTIATE_TEST_CASE_P( - AVX2, Trans16x16HT, - ::testing::Values( - make_tuple(&vp9_fht16x16_avx2, &vp9_iht16x16_256_add_c, 3))); -INSTANTIATE_TEST_CASE_P( - DISABLED_AVX2, Trans16x16HT, - ::testing::Values( - make_tuple(&vp9_fht16x16_avx2, &vp9_iht16x16_256_add_c, 0), - make_tuple(&vp9_fht16x16_avx2, &vp9_iht16x16_256_add_c, 1), - make_tuple(&vp9_fht16x16_avx2, &vp9_iht16x16_256_add_c, 2))); -#endif } // namespace diff --git a/test/fdct4x4_test.cc b/test/fdct4x4_test.cc index bea19f188..7c4826086 100644 --- a/test/fdct4x4_test.cc +++ b/test/fdct4x4_test.cc @@ -376,19 +376,4 @@ INSTANTIATE_TEST_CASE_P( make_tuple(&vp9_fht4x4_sse2, &vp9_iht4x4_16_add_sse2, 3))); #endif -#if HAVE_AVX2 -INSTANTIATE_TEST_CASE_P( - AVX2, Trans4x4DCT, - ::testing::Values( - make_tuple(&vp9_fdct4x4_avx2, - &vp9_idct4x4_16_add_c, 0))); -INSTANTIATE_TEST_CASE_P( - AVX2, Trans4x4HT, - ::testing::Values( - make_tuple(&vp9_fht4x4_avx2, &vp9_iht4x4_16_add_c, 0), - make_tuple(&vp9_fht4x4_avx2, &vp9_iht4x4_16_add_c, 1), - make_tuple(&vp9_fht4x4_avx2, &vp9_iht4x4_16_add_c, 2), - make_tuple(&vp9_fht4x4_avx2, &vp9_iht4x4_16_add_c, 3))); -#endif - } // namespace diff --git a/test/fdct8x8_test.cc b/test/fdct8x8_test.cc index 25908374a..6a5d6bb98 100644 --- a/test/fdct8x8_test.cc +++ b/test/fdct8x8_test.cc @@ -367,18 +367,4 @@ INSTANTIATE_TEST_CASE_P( ::testing::Values( make_tuple(&vp9_fdct8x8_ssse3, &vp9_idct8x8_64_add_ssse3, 0))); #endif - -#if HAVE_AVX2 -INSTANTIATE_TEST_CASE_P( - AVX2, FwdTrans8x8DCT, - ::testing::Values( - make_tuple(&vp9_fdct8x8_avx2, &vp9_idct8x8_64_add_c, 0))); -INSTANTIATE_TEST_CASE_P( - AVX2, FwdTrans8x8HT, - ::testing::Values( - make_tuple(&vp9_fht8x8_avx2, &vp9_iht8x8_64_add_c, 0), - make_tuple(&vp9_fht8x8_avx2, &vp9_iht8x8_64_add_c, 1), - make_tuple(&vp9_fht8x8_avx2, &vp9_iht8x8_64_add_c, 2), - make_tuple(&vp9_fht8x8_avx2, &vp9_iht8x8_64_add_c, 3))); -#endif } // namespace diff --git a/vp9/common/vp9_rtcd_defs.pl b/vp9/common/vp9_rtcd_defs.pl index ef5caf327..666afa4dc 100644 --- a/vp9/common/vp9_rtcd_defs.pl +++ b/vp9/common/vp9_rtcd_defs.pl @@ -739,10 +739,10 @@ if (vpx_config("CONFIG_INTERNAL_STATS") eq "yes") { # fdct functions add_proto qw/void vp9_fht4x4/, "const int16_t *input, int16_t *output, int stride, int tx_type"; -specialize qw/vp9_fht4x4 sse2 avx2/; +specialize qw/vp9_fht4x4 sse2/; add_proto qw/void vp9_fht8x8/, "const int16_t *input, int16_t *output, int stride, int tx_type"; -specialize qw/vp9_fht8x8 sse2 avx2/; +specialize qw/vp9_fht8x8 sse2/; add_proto qw/void vp9_fht16x16/, "const int16_t *input, int16_t *output, int stride, int tx_type"; specialize qw/vp9_fht16x16 sse2/; @@ -754,13 +754,13 @@ add_proto qw/void vp9_fdct4x4_1/, "const int16_t *input, int16_t *output, int st specialize qw/vp9_fdct4x4_1 sse2/; add_proto qw/void vp9_fdct4x4/, "const int16_t *input, int16_t *output, int stride"; -specialize qw/vp9_fdct4x4 sse2 avx2/; +specialize qw/vp9_fdct4x4 sse2/; add_proto qw/void vp9_fdct8x8_1/, "const int16_t *input, int16_t *output, int stride"; specialize qw/vp9_fdct8x8_1 sse2/; add_proto qw/void vp9_fdct8x8/, "const int16_t *input, int16_t *output, int stride"; -specialize qw/vp9_fdct8x8 sse2 avx2/, "$ssse3_x86_64"; +specialize qw/vp9_fdct8x8 sse2/, "$ssse3_x86_64"; add_proto qw/void vp9_fdct16x16_1/, "const int16_t *input, int16_t *output, int stride"; specialize qw/vp9_fdct16x16_1 sse2/; diff --git a/vp9/encoder/x86/vp9_dct_avx2.c b/vp9/encoder/x86/vp9_dct_avx2.c index b5269ed03..3a19f5274 100644 --- a/vp9/encoder/x86/vp9_dct_avx2.c +++ b/vp9/encoder/x86/vp9_dct_avx2.c @@ -12,2572 +12,6 @@ #include "vp9/common/vp9_idct.h" // for cospi constants #include "vpx_ports/mem.h" -void vp9_fdct4x4_avx2(const int16_t *input, int16_t *output, int stride) { - // The 2D transform is done with two passes which are actually pretty - // similar. In the first one, we transform the columns and transpose - // the results. In the second one, we transform the rows. To achieve that, - // as the first pass results are transposed, we transpose the columns (that - // is the transposed rows) and transpose the results (so that it goes back - // in normal/row positions). - 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(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__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); - 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); - const __m128i kOne = _mm_set1_epi16(1); - __m128i in0, in1, in2, in3; - // Load inputs. - { - in0 = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); - in1 = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); - in2 = _mm_loadl_epi64((const __m128i *)(input + 2 * stride)); - in3 = _mm_loadl_epi64((const __m128i *)(input + 3 * stride)); - // x = x << 4 - in0 = _mm_slli_epi16(in0, 4); - in1 = _mm_slli_epi16(in1, 4); - in2 = _mm_slli_epi16(in2, 4); - in3 = _mm_slli_epi16(in3, 4); - // if (i == 0 && input[0]) input[0] += 1; - { - // The mask will only contain whether the first value is zero, all - // other comparison will fail as something shifted by 4 (above << 4) - // can never be equal to one. To increment in the non-zero case, we - // add the mask and one for the first element: - // - if zero, mask = -1, v = v - 1 + 1 = v - // - if non-zero, mask = 0, v = v + 0 + 1 = v + 1 - __m128i mask = _mm_cmpeq_epi16(in0, k__nonzero_bias_a); - in0 = _mm_add_epi16(in0, mask); - in0 = _mm_add_epi16(in0, k__nonzero_bias_b); - } - } - // Do the two transform/transpose passes - for (pass = 0; pass < 2; ++pass) { - // Transform 1/2: Add/subtract - const __m128i r0 = _mm_add_epi16(in0, in3); - const __m128i r1 = _mm_add_epi16(in1, in2); - const __m128i r2 = _mm_sub_epi16(in1, in2); - const __m128i r3 = _mm_sub_epi16(in0, in3); - // Transform 1/2: Interleave to do the multiply by constants which gets us - // into 32 bits. - const __m128i t0 = _mm_unpacklo_epi16(r0, r1); - const __m128i t2 = _mm_unpacklo_epi16(r2, r3); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16); - const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16); - const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08); - const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24); - const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); - const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); - const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); - const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); - const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); - const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); - const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); - const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); - // Combine and transpose - const __m128i res0 = _mm_packs_epi32(w0, w2); - const __m128i res1 = _mm_packs_epi32(w4, w6); - // 00 01 02 03 20 21 22 23 - // 10 11 12 13 30 31 32 33 - const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1); - const __m128i tr0_1 = _mm_unpackhi_epi16(res0, res1); - // 00 10 01 11 02 12 03 13 - // 20 30 21 31 22 32 23 33 - in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); - in2 = _mm_unpackhi_epi32(tr0_0, tr0_1); - // 00 10 20 30 01 11 21 31 in0 contains 0 followed by 1 - // 02 12 22 32 03 13 23 33 in2 contains 2 followed by 3 - if (0 == pass) { - // Extract values in the high part for second pass as transform code - // only uses the first four values. - in1 = _mm_unpackhi_epi64(in0, in0); - in3 = _mm_unpackhi_epi64(in2, in2); - } else { - // Post-condition output and store it (v + 1) >> 2, taking advantage - // of the fact 1/3 are stored just after 0/2. - __m128i out01 = _mm_add_epi16(in0, kOne); - __m128i out23 = _mm_add_epi16(in2, kOne); - out01 = _mm_srai_epi16(out01, 2); - out23 = _mm_srai_epi16(out23, 2); - _mm_storeu_si128((__m128i *)(output + 0 * 4), out01); - _mm_storeu_si128((__m128i *)(output + 2 * 4), out23); - } - } -} - -static INLINE void load_buffer_4x4_avx2(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_avx2(int16_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); - _mm_store_si128((__m128i *)(output + 0 * 8), out01); - _mm_store_si128((__m128i *)(output + 1 * 8), out23); -} - -static INLINE void transpose_4x4_avx2(__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]); -} - -void fdct4_avx2(__m128i *in) { - const __m128i k__cospi_p16_p16 = _mm_set1_epi16(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_avx2(in); -} - -void fadst4_avx2(__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(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_avx2(in); -} - -void vp9_fht4x4_avx2(const int16_t *input, int16_t *output, - int stride, int tx_type) { - __m128i in[4]; - - switch (tx_type) { - case DCT_DCT: - vp9_fdct4x4_avx2(input, output, stride); - break; - case ADST_DCT: - load_buffer_4x4_avx2(input, in, stride); - fadst4_avx2(in); - fdct4_avx2(in); - write_buffer_4x4_avx2(output, in); - break; - case DCT_ADST: - load_buffer_4x4_avx2(input, in, stride); - fdct4_avx2(in); - fadst4_avx2(in); - write_buffer_4x4_avx2(output, in); - break; - case ADST_ADST: - load_buffer_4x4_avx2(input, in, stride); - fadst4_avx2(in); - fadst4_avx2(in); - write_buffer_4x4_avx2(output, in); - break; - default: - assert(0); - break; - } -} - -void vp9_fdct8x8_avx2(const int16_t *input, int16_t *output, int stride) { - 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(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)); - // 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); - - // 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); - // store results - _mm_store_si128((__m128i *)(output + 0 * 8), in0); - _mm_store_si128((__m128i *)(output + 1 * 8), in1); - _mm_store_si128((__m128i *)(output + 2 * 8), in2); - _mm_store_si128((__m128i *)(output + 3 * 8), in3); - _mm_store_si128((__m128i *)(output + 4 * 8), in4); - _mm_store_si128((__m128i *)(output + 5 * 8), in5); - _mm_store_si128((__m128i *)(output + 6 * 8), in6); - _mm_store_si128((__m128i *)(output + 7 * 8), in7); - } -} - -// load 8x8 array -static INLINE void load_buffer_8x8_avx2(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_avx2(__m128i *res, int const bit) { - const __m128i kOne = _mm_set1_epi16(1); - const int bit_m02 = bit - 2; - __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_m02 >= 0) { - __m128i k_const_rounding = _mm_slli_epi16(kOne, bit_m02); - res[0] = _mm_add_epi16(res[0], k_const_rounding); - res[1] = _mm_add_epi16(res[1], k_const_rounding); - res[2] = _mm_add_epi16(res[2], k_const_rounding); - res[3] = _mm_add_epi16(res[3], k_const_rounding); - res[4] = _mm_add_epi16(res[4], k_const_rounding); - res[5] = _mm_add_epi16(res[5], k_const_rounding); - res[6] = _mm_add_epi16(res[6], k_const_rounding); - res[7] = _mm_add_epi16(res[7], k_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); - - res[0] = _mm_srai_epi16(res[0], bit); - res[1] = _mm_srai_epi16(res[1], bit); - res[2] = _mm_srai_epi16(res[2], bit); - res[3] = _mm_srai_epi16(res[3], bit); - res[4] = _mm_srai_epi16(res[4], bit); - res[5] = _mm_srai_epi16(res[5], bit); - res[6] = _mm_srai_epi16(res[6], bit); - res[7] = _mm_srai_epi16(res[7], bit); -} - -// write 8x8 array -static INLINE void write_buffer_8x8_avx2(int16_t *output, __m128i *res, int stride) { - _mm_store_si128((__m128i *)(output + 0 * stride), res[0]); - _mm_store_si128((__m128i *)(output + 1 * stride), res[1]); - _mm_store_si128((__m128i *)(output + 2 * stride), res[2]); - _mm_store_si128((__m128i *)(output + 3 * stride), res[3]); - _mm_store_si128((__m128i *)(output + 4 * stride), res[4]); - _mm_store_si128((__m128i *)(output + 5 * stride), res[5]); - _mm_store_si128((__m128i *)(output + 6 * stride), res[6]); - _mm_store_si128((__m128i *)(output + 7 * stride), res[7]); -} - -// perform in-place transpose -static INLINE void array_transpose_8x8_avx2(__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 -} - -void fdct8_avx2(__m128i *in) { - // constants - const __m128i k__cospi_p16_p16 = _mm_set1_epi16(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_avx2(in, in); -} - -void fadst8_avx2(__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(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_avx2(in, in); -} - -void vp9_fht8x8_avx2(const int16_t *input, int16_t *output, - int stride, int tx_type) { - __m128i in[8]; - - switch (tx_type) { - case DCT_DCT: - vp9_fdct8x8_avx2(input, output, stride); - break; - case ADST_DCT: - load_buffer_8x8_avx2(input, in, stride); - fadst8_avx2(in); - fdct8_avx2(in); - right_shift_8x8_avx2(in, 1); - write_buffer_8x8_avx2(output, in, 8); - break; - case DCT_ADST: - load_buffer_8x8_avx2(input, in, stride); - fdct8_avx2(in); - fadst8_avx2(in); - right_shift_8x8_avx2(in, 1); - write_buffer_8x8_avx2(output, in, 8); - break; - case ADST_ADST: - load_buffer_8x8_avx2(input, in, stride); - fadst8_avx2(in); - fadst8_avx2(in); - right_shift_8x8_avx2(in, 1); - write_buffer_8x8_avx2(output, in, 8); - break; - default: - assert(0); - break; - } -} - -void vp9_fdct16x16_avx2(const int16_t *input, int16_t *output, int stride) { - // The 2D transform is done with two passes which are actually pretty - // similar. In the first one, we transform the columns and transpose - // the results. In the second one, we transform the rows. To achieve that, - // as the first pass results are transposed, we transpose the columns (that - // is the transposed rows) and transpose the results (so that it goes back - // in normal/row positions). - int pass; - // We need an intermediate buffer between passes. - DECLARE_ALIGNED_ARRAY(16, int16_t, intermediate, 256); - const int16_t *in = input; - int16_t *out = intermediate; - // 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(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_m24_m08 = 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__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); - const __m128i kOne = _mm_set1_epi16(1); - // Do the two transform/transpose passes - for (pass = 0; pass < 2; ++pass) { - // We process eight columns (transposed rows in second pass) at a time. - int column_start; - for (column_start = 0; column_start < 16; column_start += 8) { - __m128i in00, in01, in02, in03, in04, in05, in06, in07; - __m128i in08, in09, in10, in11, in12, in13, in14, in15; - __m128i input0, input1, input2, input3, input4, input5, input6, input7; - __m128i step1_0, step1_1, step1_2, step1_3; - __m128i step1_4, step1_5, step1_6, step1_7; - __m128i step2_1, step2_2, step2_3, step2_4, step2_5, step2_6; - __m128i step3_0, step3_1, step3_2, step3_3; - __m128i step3_4, step3_5, step3_6, step3_7; - __m128i res00, res01, res02, res03, res04, res05, res06, res07; - __m128i res08, res09, res10, res11, res12, res13, res14, res15; - // Load and pre-condition input. - if (0 == pass) { - in00 = _mm_load_si128((const __m128i *)(in + 0 * stride)); - in01 = _mm_load_si128((const __m128i *)(in + 1 * stride)); - in02 = _mm_load_si128((const __m128i *)(in + 2 * stride)); - in03 = _mm_load_si128((const __m128i *)(in + 3 * stride)); - in04 = _mm_load_si128((const __m128i *)(in + 4 * stride)); - in05 = _mm_load_si128((const __m128i *)(in + 5 * stride)); - in06 = _mm_load_si128((const __m128i *)(in + 6 * stride)); - in07 = _mm_load_si128((const __m128i *)(in + 7 * stride)); - in08 = _mm_load_si128((const __m128i *)(in + 8 * stride)); - in09 = _mm_load_si128((const __m128i *)(in + 9 * stride)); - in10 = _mm_load_si128((const __m128i *)(in + 10 * stride)); - in11 = _mm_load_si128((const __m128i *)(in + 11 * stride)); - in12 = _mm_load_si128((const __m128i *)(in + 12 * stride)); - in13 = _mm_load_si128((const __m128i *)(in + 13 * stride)); - in14 = _mm_load_si128((const __m128i *)(in + 14 * stride)); - in15 = _mm_load_si128((const __m128i *)(in + 15 * stride)); - // x = x << 2 - in00 = _mm_slli_epi16(in00, 2); - in01 = _mm_slli_epi16(in01, 2); - in02 = _mm_slli_epi16(in02, 2); - in03 = _mm_slli_epi16(in03, 2); - in04 = _mm_slli_epi16(in04, 2); - in05 = _mm_slli_epi16(in05, 2); - in06 = _mm_slli_epi16(in06, 2); - in07 = _mm_slli_epi16(in07, 2); - in08 = _mm_slli_epi16(in08, 2); - in09 = _mm_slli_epi16(in09, 2); - in10 = _mm_slli_epi16(in10, 2); - in11 = _mm_slli_epi16(in11, 2); - in12 = _mm_slli_epi16(in12, 2); - in13 = _mm_slli_epi16(in13, 2); - in14 = _mm_slli_epi16(in14, 2); - in15 = _mm_slli_epi16(in15, 2); - } else { - in00 = _mm_load_si128((const __m128i *)(in + 0 * 16)); - in01 = _mm_load_si128((const __m128i *)(in + 1 * 16)); - in02 = _mm_load_si128((const __m128i *)(in + 2 * 16)); - in03 = _mm_load_si128((const __m128i *)(in + 3 * 16)); - in04 = _mm_load_si128((const __m128i *)(in + 4 * 16)); - in05 = _mm_load_si128((const __m128i *)(in + 5 * 16)); - in06 = _mm_load_si128((const __m128i *)(in + 6 * 16)); - in07 = _mm_load_si128((const __m128i *)(in + 7 * 16)); - in08 = _mm_load_si128((const __m128i *)(in + 8 * 16)); - in09 = _mm_load_si128((const __m128i *)(in + 9 * 16)); - in10 = _mm_load_si128((const __m128i *)(in + 10 * 16)); - in11 = _mm_load_si128((const __m128i *)(in + 11 * 16)); - in12 = _mm_load_si128((const __m128i *)(in + 12 * 16)); - in13 = _mm_load_si128((const __m128i *)(in + 13 * 16)); - in14 = _mm_load_si128((const __m128i *)(in + 14 * 16)); - in15 = _mm_load_si128((const __m128i *)(in + 15 * 16)); - // x = (x + 1) >> 2 - in00 = _mm_add_epi16(in00, kOne); - in01 = _mm_add_epi16(in01, kOne); - in02 = _mm_add_epi16(in02, kOne); - in03 = _mm_add_epi16(in03, kOne); - in04 = _mm_add_epi16(in04, kOne); - in05 = _mm_add_epi16(in05, kOne); - in06 = _mm_add_epi16(in06, kOne); - in07 = _mm_add_epi16(in07, kOne); - in08 = _mm_add_epi16(in08, kOne); - in09 = _mm_add_epi16(in09, kOne); - in10 = _mm_add_epi16(in10, kOne); - in11 = _mm_add_epi16(in11, kOne); - in12 = _mm_add_epi16(in12, kOne); - in13 = _mm_add_epi16(in13, kOne); - in14 = _mm_add_epi16(in14, kOne); - in15 = _mm_add_epi16(in15, kOne); - in00 = _mm_srai_epi16(in00, 2); - in01 = _mm_srai_epi16(in01, 2); - in02 = _mm_srai_epi16(in02, 2); - in03 = _mm_srai_epi16(in03, 2); - in04 = _mm_srai_epi16(in04, 2); - in05 = _mm_srai_epi16(in05, 2); - in06 = _mm_srai_epi16(in06, 2); - in07 = _mm_srai_epi16(in07, 2); - in08 = _mm_srai_epi16(in08, 2); - in09 = _mm_srai_epi16(in09, 2); - in10 = _mm_srai_epi16(in10, 2); - in11 = _mm_srai_epi16(in11, 2); - in12 = _mm_srai_epi16(in12, 2); - in13 = _mm_srai_epi16(in13, 2); - in14 = _mm_srai_epi16(in14, 2); - in15 = _mm_srai_epi16(in15, 2); - } - in += 8; - // Calculate input for the first 8 results. - { - input0 = _mm_add_epi16(in00, in15); - input1 = _mm_add_epi16(in01, in14); - input2 = _mm_add_epi16(in02, in13); - input3 = _mm_add_epi16(in03, in12); - input4 = _mm_add_epi16(in04, in11); - input5 = _mm_add_epi16(in05, in10); - input6 = _mm_add_epi16(in06, in09); - input7 = _mm_add_epi16(in07, in08); - } - // Calculate input for the next 8 results. - { - step1_0 = _mm_sub_epi16(in07, in08); - step1_1 = _mm_sub_epi16(in06, in09); - step1_2 = _mm_sub_epi16(in05, in10); - step1_3 = _mm_sub_epi16(in04, in11); - step1_4 = _mm_sub_epi16(in03, in12); - step1_5 = _mm_sub_epi16(in02, in13); - step1_6 = _mm_sub_epi16(in01, in14); - step1_7 = _mm_sub_epi16(in00, in15); - } - // Work on the first eight values; fdct8(input, even_results); - { - // Add/subtract - const __m128i q0 = _mm_add_epi16(input0, input7); - const __m128i q1 = _mm_add_epi16(input1, input6); - const __m128i q2 = _mm_add_epi16(input2, input5); - const __m128i q3 = _mm_add_epi16(input3, input4); - const __m128i q4 = _mm_sub_epi16(input3, input4); - const __m128i q5 = _mm_sub_epi16(input2, input5); - const __m128i q6 = _mm_sub_epi16(input1, input6); - const __m128i q7 = _mm_sub_epi16(input0, input7); - // 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 32 bits. - 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 - res00 = _mm_packs_epi32(w0, w1); - res08 = _mm_packs_epi32(w2, w3); - res04 = _mm_packs_epi32(w4, w5); - res12 = _mm_packs_epi32(w6, w7); - } - // Work on next four results - { - // Interleave to do the multiply by constants which gets us - // into 32 bits. - 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 32 bits. - 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 - res02 = _mm_packs_epi32(w0, w1); - res14 = _mm_packs_epi32(w2, w3); - res10 = _mm_packs_epi32(w4, w5); - res06 = _mm_packs_epi32(w6, w7); - } - } - // Work on the next eight values; step1 -> odd_results - { - // step 2 - { - const __m128i t0 = _mm_unpacklo_epi16(step1_5, step1_2); - const __m128i t1 = _mm_unpackhi_epi16(step1_5, step1_2); - const __m128i t2 = _mm_unpacklo_epi16(step1_4, step1_3); - const __m128i t3 = _mm_unpackhi_epi16(step1_4, step1_3); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_m16); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_m16); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_p16_m16); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_p16_m16); - // 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 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); - // Combine - step2_2 = _mm_packs_epi32(w0, w1); - step2_3 = _mm_packs_epi32(w2, w3); - } - { - const __m128i t0 = _mm_unpacklo_epi16(step1_5, step1_2); - const __m128i t1 = _mm_unpackhi_epi16(step1_5, step1_2); - const __m128i t2 = _mm_unpacklo_epi16(step1_4, step1_3); - const __m128i t3 = _mm_unpackhi_epi16(step1_4, step1_3); - 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(t2, k__cospi_p16_p16); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_p16_p16); - // 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 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); - // Combine - step2_5 = _mm_packs_epi32(w0, w1); - step2_4 = _mm_packs_epi32(w2, w3); - } - // step 3 - { - step3_0 = _mm_add_epi16(step1_0, step2_3); - step3_1 = _mm_add_epi16(step1_1, step2_2); - step3_2 = _mm_sub_epi16(step1_1, step2_2); - step3_3 = _mm_sub_epi16(step1_0, step2_3); - step3_4 = _mm_sub_epi16(step1_7, step2_4); - step3_5 = _mm_sub_epi16(step1_6, step2_5); - step3_6 = _mm_add_epi16(step1_6, step2_5); - step3_7 = _mm_add_epi16(step1_7, step2_4); - } - // step 4 - { - const __m128i t0 = _mm_unpacklo_epi16(step3_1, step3_6); - const __m128i t1 = _mm_unpackhi_epi16(step3_1, step3_6); - const __m128i t2 = _mm_unpacklo_epi16(step3_2, step3_5); - const __m128i t3 = _mm_unpackhi_epi16(step3_2, step3_5); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_m08_p24); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_m08_p24); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_m24_m08); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_m24_m08); - // 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 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); - // Combine - step2_1 = _mm_packs_epi32(w0, w1); - step2_2 = _mm_packs_epi32(w2, w3); - } - { - const __m128i t0 = _mm_unpacklo_epi16(step3_1, step3_6); - const __m128i t1 = _mm_unpackhi_epi16(step3_1, step3_6); - const __m128i t2 = _mm_unpacklo_epi16(step3_2, step3_5); - const __m128i t3 = _mm_unpackhi_epi16(step3_2, step3_5); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p24_p08); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p24_p08); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_m08_p24); - const __m128i u3 = _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 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); - // Combine - step2_6 = _mm_packs_epi32(w0, w1); - step2_5 = _mm_packs_epi32(w2, w3); - } - // step 5 - { - step1_0 = _mm_add_epi16(step3_0, step2_1); - step1_1 = _mm_sub_epi16(step3_0, step2_1); - step1_2 = _mm_sub_epi16(step3_3, step2_2); - step1_3 = _mm_add_epi16(step3_3, step2_2); - step1_4 = _mm_add_epi16(step3_4, step2_5); - step1_5 = _mm_sub_epi16(step3_4, step2_5); - step1_6 = _mm_sub_epi16(step3_7, step2_6); - step1_7 = _mm_add_epi16(step3_7, step2_6); - } - // step 6 - { - const __m128i t0 = _mm_unpacklo_epi16(step1_0, step1_7); - const __m128i t1 = _mm_unpackhi_epi16(step1_0, step1_7); - const __m128i t2 = _mm_unpacklo_epi16(step1_1, step1_6); - const __m128i t3 = _mm_unpackhi_epi16(step1_1, step1_6); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p30_p02); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p30_p02); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_p14_p18); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_p14_p18); - // 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 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); - // Combine - res01 = _mm_packs_epi32(w0, w1); - res09 = _mm_packs_epi32(w2, w3); - } - { - const __m128i t0 = _mm_unpacklo_epi16(step1_2, step1_5); - const __m128i t1 = _mm_unpackhi_epi16(step1_2, step1_5); - const __m128i t2 = _mm_unpacklo_epi16(step1_3, step1_4); - const __m128i t3 = _mm_unpackhi_epi16(step1_3, step1_4); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p22_p10); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p22_p10); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_p06_p26); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_p06_p26); - // 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 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); - // Combine - res05 = _mm_packs_epi32(w0, w1); - res13 = _mm_packs_epi32(w2, w3); - } - { - const __m128i t0 = _mm_unpacklo_epi16(step1_2, step1_5); - const __m128i t1 = _mm_unpackhi_epi16(step1_2, step1_5); - const __m128i t2 = _mm_unpacklo_epi16(step1_3, step1_4); - const __m128i t3 = _mm_unpackhi_epi16(step1_3, step1_4); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_m10_p22); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_m10_p22); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_m26_p06); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_m26_p06); - // 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 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); - // Combine - res11 = _mm_packs_epi32(w0, w1); - res03 = _mm_packs_epi32(w2, w3); - } - { - const __m128i t0 = _mm_unpacklo_epi16(step1_0, step1_7); - const __m128i t1 = _mm_unpackhi_epi16(step1_0, step1_7); - const __m128i t2 = _mm_unpacklo_epi16(step1_1, step1_6); - const __m128i t3 = _mm_unpackhi_epi16(step1_1, step1_6); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_m02_p30); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_m02_p30); - const __m128i u2 = _mm_madd_epi16(t2, k__cospi_m18_p14); - const __m128i u3 = _mm_madd_epi16(t3, k__cospi_m18_p14); - // 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 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); - // Combine - res15 = _mm_packs_epi32(w0, w1); - res07 = _mm_packs_epi32(w2, w3); - } - } - // Transpose the results, do it as two 8x8 transposes. - { - // 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(res00, res01); - const __m128i tr0_1 = _mm_unpacklo_epi16(res02, res03); - const __m128i tr0_2 = _mm_unpackhi_epi16(res00, res01); - const __m128i tr0_3 = _mm_unpackhi_epi16(res02, res03); - const __m128i tr0_4 = _mm_unpacklo_epi16(res04, res05); - const __m128i tr0_5 = _mm_unpacklo_epi16(res06, res07); - const __m128i tr0_6 = _mm_unpackhi_epi16(res04, res05); - const __m128i tr0_7 = _mm_unpackhi_epi16(res06, res07); - // 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 - const __m128i tr2_0 = _mm_unpacklo_epi64(tr1_0, tr1_4); - const __m128i tr2_1 = _mm_unpackhi_epi64(tr1_0, tr1_4); - const __m128i tr2_2 = _mm_unpacklo_epi64(tr1_2, tr1_6); - const __m128i tr2_3 = _mm_unpackhi_epi64(tr1_2, tr1_6); - const __m128i tr2_4 = _mm_unpacklo_epi64(tr1_1, tr1_5); - const __m128i tr2_5 = _mm_unpackhi_epi64(tr1_1, tr1_5); - const __m128i tr2_6 = _mm_unpacklo_epi64(tr1_3, tr1_7); - const __m128i tr2_7 = _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 - _mm_storeu_si128((__m128i *)(out + 0 * 16), tr2_0); - _mm_storeu_si128((__m128i *)(out + 1 * 16), tr2_1); - _mm_storeu_si128((__m128i *)(out + 2 * 16), tr2_2); - _mm_storeu_si128((__m128i *)(out + 3 * 16), tr2_3); - _mm_storeu_si128((__m128i *)(out + 4 * 16), tr2_4); - _mm_storeu_si128((__m128i *)(out + 5 * 16), tr2_5); - _mm_storeu_si128((__m128i *)(out + 6 * 16), tr2_6); - _mm_storeu_si128((__m128i *)(out + 7 * 16), tr2_7); - } - { - // 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(res08, res09); - const __m128i tr0_1 = _mm_unpacklo_epi16(res10, res11); - const __m128i tr0_2 = _mm_unpackhi_epi16(res08, res09); - const __m128i tr0_3 = _mm_unpackhi_epi16(res10, res11); - const __m128i tr0_4 = _mm_unpacklo_epi16(res12, res13); - const __m128i tr0_5 = _mm_unpacklo_epi16(res14, res15); - const __m128i tr0_6 = _mm_unpackhi_epi16(res12, res13); - const __m128i tr0_7 = _mm_unpackhi_epi16(res14, res15); - // 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 - const __m128i tr2_0 = _mm_unpacklo_epi64(tr1_0, tr1_4); - const __m128i tr2_1 = _mm_unpackhi_epi64(tr1_0, tr1_4); - const __m128i tr2_2 = _mm_unpacklo_epi64(tr1_2, tr1_6); - const __m128i tr2_3 = _mm_unpackhi_epi64(tr1_2, tr1_6); - const __m128i tr2_4 = _mm_unpacklo_epi64(tr1_1, tr1_5); - const __m128i tr2_5 = _mm_unpackhi_epi64(tr1_1, tr1_5); - const __m128i tr2_6 = _mm_unpacklo_epi64(tr1_3, tr1_7); - const __m128i tr2_7 = _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 - // Store results - _mm_store_si128((__m128i *)(out + 8 + 0 * 16), tr2_0); - _mm_store_si128((__m128i *)(out + 8 + 1 * 16), tr2_1); - _mm_store_si128((__m128i *)(out + 8 + 2 * 16), tr2_2); - _mm_store_si128((__m128i *)(out + 8 + 3 * 16), tr2_3); - _mm_store_si128((__m128i *)(out + 8 + 4 * 16), tr2_4); - _mm_store_si128((__m128i *)(out + 8 + 5 * 16), tr2_5); - _mm_store_si128((__m128i *)(out + 8 + 6 * 16), tr2_6); - _mm_store_si128((__m128i *)(out + 8 + 7 * 16), tr2_7); - } - out += 8*16; - } - // Setup in/out for next pass. - in = intermediate; - out = output; - } -} - -static INLINE void load_buffer_16x16_avx2(const int16_t* input, __m128i *in0, - __m128i *in1, int stride) { - // load first 8 columns - load_buffer_8x8_avx2(input, in0, stride); - load_buffer_8x8_avx2(input + 8 * stride, in0 + 8, stride); - - input += 8; - // load second 8 columns - load_buffer_8x8_avx2(input, in1, stride); - load_buffer_8x8_avx2(input + 8 * stride, in1 + 8, stride); -} - -static INLINE void write_buffer_16x16_avx2(int16_t *output, __m128i *in0, - __m128i *in1, int stride) { - // write first 8 columns - write_buffer_8x8_avx2(output, in0, stride); - write_buffer_8x8_avx2(output + 8 * stride, in0 + 8, stride); - // write second 8 columns - output += 8; - write_buffer_8x8_avx2(output, in1, stride); - write_buffer_8x8_avx2(output + 8 * stride, in1 + 8, stride); -} - -static INLINE void array_transpose_16x16_avx2(__m128i *res0, __m128i *res1) { - __m128i tbuf[8]; - array_transpose_8x8_avx2(res0, res0); - array_transpose_8x8_avx2(res1, tbuf); - array_transpose_8x8_avx2(res0 + 8, res1); - array_transpose_8x8_avx2(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_avx2(__m128i *res0, __m128i *res1) { - // perform rounding operations - right_shift_8x8_avx2(res0, 2); - right_shift_8x8_avx2(res0 + 8, 2); - right_shift_8x8_avx2(res1, 2); - right_shift_8x8_avx2(res1 + 8, 2); -} - -void fdct16_8col_avx2(__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(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_m24_m08 = 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__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_m24_m08); - v[3] = _mm_madd_epi16(u[3], k__cospi_m24_m08); - v[4] = _mm_madd_epi16(u[2], k__cospi_m08_p24); - v[5] = _mm_madd_epi16(u[3], k__cospi_m08_p24); - 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_sub_epi16(p[3], t[2]); - s[3] = _mm_add_epi16(p[3], t[2]); - s[4] = _mm_add_epi16(p[4], t[5]); - s[5] = _mm_sub_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]); -} - -void fadst16_8col_avx2(__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(-cospi_16_64); - const __m128i k__cospi_p16_p16 = _mm_set1_epi16(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]); -} - -void fdct16_avx2(__m128i *in0, __m128i *in1) { - fdct16_8col_avx2(in0); - fdct16_8col_avx2(in1); - array_transpose_16x16_avx2(in0, in1); -} - -void fadst16_avx2(__m128i *in0, __m128i *in1) { - fadst16_8col_avx2(in0); - fadst16_8col_avx2(in1); - array_transpose_16x16_avx2(in0, in1); -} - -void vp9_fht16x16_avx2(const int16_t *input, int16_t *output, - int stride, int tx_type) { - __m128i in0[16], in1[16]; - - switch (tx_type) { - case DCT_DCT: - vp9_fdct16x16_avx2(input, output, stride); - break; - case ADST_DCT: - load_buffer_16x16_avx2(input, in0, in1, stride); - fadst16_avx2(in0, in1); - right_shift_16x16_avx2(in0, in1); - fdct16_avx2(in0, in1); - write_buffer_16x16_avx2(output, in0, in1, 16); - break; - case DCT_ADST: - load_buffer_16x16_avx2(input, in0, in1, stride); - fdct16_avx2(in0, in1); - right_shift_16x16_avx2(in0, in1); - fadst16_avx2(in0, in1); - write_buffer_16x16_avx2(output, in0, in1, 16); - break; - case ADST_ADST: - load_buffer_16x16_avx2(input, in0, in1, stride); - fadst16_avx2(in0, in1); - right_shift_16x16_avx2(in0, in1); - fadst16_avx2(in0, in1); - write_buffer_16x16_avx2(output, in0, in1, 16); - break; - default: - assert(0); - break; - } -} #define FDCT32x32_2D_AVX2 vp9_fdct32x32_rd_avx2 #define FDCT32x32_HIGH_PRECISION 0