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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/common/x86/highbd_inv_txfm_sse4.c | 5348 |
1 files changed, 5348 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/highbd_inv_txfm_sse4.c b/third_party/aom/av1/common/x86/highbd_inv_txfm_sse4.c new file mode 100644 index 0000000000..e29e0baf50 --- /dev/null +++ b/third_party/aom/av1/common/x86/highbd_inv_txfm_sse4.c @@ -0,0 +1,5348 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ +#include <assert.h> +#include <smmintrin.h> /* SSE4.1 */ + +#include "config/aom_config.h" +#include "config/av1_rtcd.h" + +#include "av1/common/av1_inv_txfm1d_cfg.h" +#include "av1/common/idct.h" +#include "av1/common/x86/av1_inv_txfm_ssse3.h" +#include "av1/common/x86/av1_txfm_sse4.h" +#include "av1/common/x86/highbd_txfm_utility_sse4.h" + +static INLINE __m128i highbd_clamp_epi16(__m128i u, int bd) { + const __m128i zero = _mm_setzero_si128(); + const __m128i one = _mm_set1_epi16(1); + const __m128i max = _mm_sub_epi16(_mm_slli_epi16(one, bd), one); + __m128i clamped, mask; + + mask = _mm_cmpgt_epi16(u, max); + clamped = _mm_andnot_si128(mask, u); + mask = _mm_and_si128(mask, max); + clamped = _mm_or_si128(mask, clamped); + mask = _mm_cmpgt_epi16(clamped, zero); + clamped = _mm_and_si128(clamped, mask); + + return clamped; +} + +static INLINE __m128i highbd_get_recon_8x8_sse4_1(const __m128i pred, + __m128i res0, __m128i res1, + const int bd) { + __m128i x0 = _mm_cvtepi16_epi32(pred); + __m128i x1 = _mm_cvtepi16_epi32(_mm_srli_si128(pred, 8)); + + x0 = _mm_add_epi32(res0, x0); + x1 = _mm_add_epi32(res1, x1); + x0 = _mm_packus_epi32(x0, x1); + x0 = highbd_clamp_epi16(x0, bd); + return x0; +} + +static INLINE void highbd_write_buffer_8xn_sse4_1(__m128i *in, uint16_t *output, + int stride, int flipud, + int height, const int bd) { + int j = flipud ? (height - 1) : 0; + const int step = flipud ? -1 : 1; + for (int i = 0; i < height; ++i, j += step) { + __m128i v = _mm_loadu_si128((__m128i const *)(output + i * stride)); + __m128i u = highbd_get_recon_8x8_sse4_1(v, in[j], in[j + height], bd); + + _mm_storeu_si128((__m128i *)(output + i * stride), u); + } +} + +static INLINE void load_buffer_32bit_input(const int32_t *in, int stride, + __m128i *out, int out_size) { + for (int i = 0; i < out_size; ++i) { + out[i] = _mm_loadu_si128((const __m128i *)(in + i * stride)); + } +} + +static INLINE void load_buffer_4x4(const int32_t *coeff, __m128i *in) { + in[0] = _mm_load_si128((const __m128i *)(coeff + 0)); + in[1] = _mm_load_si128((const __m128i *)(coeff + 4)); + in[2] = _mm_load_si128((const __m128i *)(coeff + 8)); + in[3] = _mm_load_si128((const __m128i *)(coeff + 12)); +} + +static void addsub_sse4_1(const __m128i in0, const __m128i in1, __m128i *out0, + __m128i *out1, const __m128i *clamp_lo, + const __m128i *clamp_hi) { + __m128i a0 = _mm_add_epi32(in0, in1); + __m128i a1 = _mm_sub_epi32(in0, in1); + + a0 = _mm_max_epi32(a0, *clamp_lo); + a0 = _mm_min_epi32(a0, *clamp_hi); + a1 = _mm_max_epi32(a1, *clamp_lo); + a1 = _mm_min_epi32(a1, *clamp_hi); + + *out0 = a0; + *out1 = a1; +} + +static void addsub_no_clamp_sse4_1(const __m128i in0, const __m128i in1, + __m128i *out0, __m128i *out1) { + __m128i a0 = _mm_add_epi32(in0, in1); + __m128i a1 = _mm_sub_epi32(in0, in1); + + *out0 = a0; + *out1 = a1; +} + +static void addsub_shift_sse4_1(const __m128i in0, const __m128i in1, + __m128i *out0, __m128i *out1, + const __m128i *clamp_lo, + const __m128i *clamp_hi, int shift) { + __m128i offset = _mm_set1_epi32((1 << shift) >> 1); + __m128i in0_w_offset = _mm_add_epi32(in0, offset); + __m128i a0 = _mm_add_epi32(in0_w_offset, in1); + __m128i a1 = _mm_sub_epi32(in0_w_offset, in1); + + a0 = _mm_sra_epi32(a0, _mm_cvtsi32_si128(shift)); + a1 = _mm_sra_epi32(a1, _mm_cvtsi32_si128(shift)); + + a0 = _mm_max_epi32(a0, *clamp_lo); + a0 = _mm_min_epi32(a0, *clamp_hi); + a1 = _mm_max_epi32(a1, *clamp_lo); + a1 = _mm_min_epi32(a1, *clamp_hi); + + *out0 = a0; + *out1 = a1; +} + +static INLINE void idct32_stage4_sse4_1( + __m128i *bf1, const __m128i *cospim8, const __m128i *cospi56, + const __m128i *cospi8, const __m128i *cospim56, const __m128i *cospim40, + const __m128i *cospi24, const __m128i *cospi40, const __m128i *cospim24, + const __m128i *rounding, int bit) { + __m128i temp1, temp2; + temp1 = half_btf_sse4_1(cospim8, &bf1[17], cospi56, &bf1[30], rounding, bit); + bf1[30] = half_btf_sse4_1(cospi56, &bf1[17], cospi8, &bf1[30], rounding, bit); + bf1[17] = temp1; + + temp2 = half_btf_sse4_1(cospim56, &bf1[18], cospim8, &bf1[29], rounding, bit); + bf1[29] = + half_btf_sse4_1(cospim8, &bf1[18], cospi56, &bf1[29], rounding, bit); + bf1[18] = temp2; + + temp1 = half_btf_sse4_1(cospim40, &bf1[21], cospi24, &bf1[26], rounding, bit); + bf1[26] = + half_btf_sse4_1(cospi24, &bf1[21], cospi40, &bf1[26], rounding, bit); + bf1[21] = temp1; + + temp2 = + half_btf_sse4_1(cospim24, &bf1[22], cospim40, &bf1[25], rounding, bit); + bf1[25] = + half_btf_sse4_1(cospim40, &bf1[22], cospi24, &bf1[25], rounding, bit); + bf1[22] = temp2; +} + +static INLINE void idct32_stage5_sse4_1( + __m128i *bf1, const __m128i *cospim16, const __m128i *cospi48, + const __m128i *cospi16, const __m128i *cospim48, const __m128i *clamp_lo, + const __m128i *clamp_hi, const __m128i *rounding, int bit) { + __m128i temp1, temp2; + temp1 = half_btf_sse4_1(cospim16, &bf1[9], cospi48, &bf1[14], rounding, bit); + bf1[14] = half_btf_sse4_1(cospi48, &bf1[9], cospi16, &bf1[14], rounding, bit); + bf1[9] = temp1; + + temp2 = + half_btf_sse4_1(cospim48, &bf1[10], cospim16, &bf1[13], rounding, bit); + bf1[13] = + half_btf_sse4_1(cospim16, &bf1[10], cospi48, &bf1[13], rounding, bit); + bf1[10] = temp2; + + addsub_sse4_1(bf1[16], bf1[19], bf1 + 16, bf1 + 19, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[17], bf1[18], bf1 + 17, bf1 + 18, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[23], bf1[20], bf1 + 23, bf1 + 20, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[22], bf1[21], bf1 + 22, bf1 + 21, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[24], bf1[27], bf1 + 24, bf1 + 27, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[25], bf1[26], bf1 + 25, bf1 + 26, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[31], bf1[28], bf1 + 31, bf1 + 28, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[30], bf1[29], bf1 + 30, bf1 + 29, clamp_lo, clamp_hi); +} + +static INLINE void idct32_stage6_sse4_1( + __m128i *bf1, const __m128i *cospim32, const __m128i *cospi32, + const __m128i *cospim16, const __m128i *cospi48, const __m128i *cospi16, + const __m128i *cospim48, const __m128i *clamp_lo, const __m128i *clamp_hi, + const __m128i *rounding, int bit) { + __m128i temp1, temp2; + temp1 = half_btf_sse4_1(cospim32, &bf1[5], cospi32, &bf1[6], rounding, bit); + bf1[6] = half_btf_sse4_1(cospi32, &bf1[5], cospi32, &bf1[6], rounding, bit); + bf1[5] = temp1; + + addsub_sse4_1(bf1[8], bf1[11], bf1 + 8, bf1 + 11, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[9], bf1[10], bf1 + 9, bf1 + 10, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[15], bf1[12], bf1 + 15, bf1 + 12, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[14], bf1[13], bf1 + 14, bf1 + 13, clamp_lo, clamp_hi); + + temp1 = half_btf_sse4_1(cospim16, &bf1[18], cospi48, &bf1[29], rounding, bit); + bf1[29] = + half_btf_sse4_1(cospi48, &bf1[18], cospi16, &bf1[29], rounding, bit); + bf1[18] = temp1; + temp2 = half_btf_sse4_1(cospim16, &bf1[19], cospi48, &bf1[28], rounding, bit); + bf1[28] = + half_btf_sse4_1(cospi48, &bf1[19], cospi16, &bf1[28], rounding, bit); + bf1[19] = temp2; + temp1 = + half_btf_sse4_1(cospim48, &bf1[20], cospim16, &bf1[27], rounding, bit); + bf1[27] = + half_btf_sse4_1(cospim16, &bf1[20], cospi48, &bf1[27], rounding, bit); + bf1[20] = temp1; + temp2 = + half_btf_sse4_1(cospim48, &bf1[21], cospim16, &bf1[26], rounding, bit); + bf1[26] = + half_btf_sse4_1(cospim16, &bf1[21], cospi48, &bf1[26], rounding, bit); + bf1[21] = temp2; +} + +static INLINE void idct32_stage7_sse4_1(__m128i *bf1, const __m128i *cospim32, + const __m128i *cospi32, + const __m128i *clamp_lo, + const __m128i *clamp_hi, + const __m128i *rounding, int bit) { + __m128i temp1, temp2; + addsub_sse4_1(bf1[0], bf1[7], bf1 + 0, bf1 + 7, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[1], bf1[6], bf1 + 1, bf1 + 6, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[2], bf1[5], bf1 + 2, bf1 + 5, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[3], bf1[4], bf1 + 3, bf1 + 4, clamp_lo, clamp_hi); + + temp1 = half_btf_sse4_1(cospim32, &bf1[10], cospi32, &bf1[13], rounding, bit); + bf1[13] = + half_btf_sse4_1(cospi32, &bf1[10], cospi32, &bf1[13], rounding, bit); + bf1[10] = temp1; + temp2 = half_btf_sse4_1(cospim32, &bf1[11], cospi32, &bf1[12], rounding, bit); + bf1[12] = + half_btf_sse4_1(cospi32, &bf1[11], cospi32, &bf1[12], rounding, bit); + bf1[11] = temp2; + + addsub_sse4_1(bf1[16], bf1[23], bf1 + 16, bf1 + 23, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[17], bf1[22], bf1 + 17, bf1 + 22, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[18], bf1[21], bf1 + 18, bf1 + 21, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[19], bf1[20], bf1 + 19, bf1 + 20, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[31], bf1[24], bf1 + 31, bf1 + 24, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[30], bf1[25], bf1 + 30, bf1 + 25, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[29], bf1[26], bf1 + 29, bf1 + 26, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[28], bf1[27], bf1 + 28, bf1 + 27, clamp_lo, clamp_hi); +} + +static INLINE void idct32_stage8_sse4_1(__m128i *bf1, const __m128i *cospim32, + const __m128i *cospi32, + const __m128i *clamp_lo, + const __m128i *clamp_hi, + const __m128i *rounding, int bit) { + __m128i temp1, temp2; + addsub_sse4_1(bf1[0], bf1[15], bf1 + 0, bf1 + 15, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[1], bf1[14], bf1 + 1, bf1 + 14, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[2], bf1[13], bf1 + 2, bf1 + 13, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[3], bf1[12], bf1 + 3, bf1 + 12, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[4], bf1[11], bf1 + 4, bf1 + 11, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[5], bf1[10], bf1 + 5, bf1 + 10, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[6], bf1[9], bf1 + 6, bf1 + 9, clamp_lo, clamp_hi); + addsub_sse4_1(bf1[7], bf1[8], bf1 + 7, bf1 + 8, clamp_lo, clamp_hi); + + temp1 = half_btf_sse4_1(cospim32, &bf1[20], cospi32, &bf1[27], rounding, bit); + bf1[27] = + half_btf_sse4_1(cospi32, &bf1[20], cospi32, &bf1[27], rounding, bit); + bf1[20] = temp1; + temp2 = half_btf_sse4_1(cospim32, &bf1[21], cospi32, &bf1[26], rounding, bit); + bf1[26] = + half_btf_sse4_1(cospi32, &bf1[21], cospi32, &bf1[26], rounding, bit); + bf1[21] = temp2; + temp1 = half_btf_sse4_1(cospim32, &bf1[22], cospi32, &bf1[25], rounding, bit); + bf1[25] = + half_btf_sse4_1(cospi32, &bf1[22], cospi32, &bf1[25], rounding, bit); + bf1[22] = temp1; + temp2 = half_btf_sse4_1(cospim32, &bf1[23], cospi32, &bf1[24], rounding, bit); + bf1[24] = + half_btf_sse4_1(cospi32, &bf1[23], cospi32, &bf1[24], rounding, bit); + bf1[23] = temp2; +} + +static INLINE void idct32_stage9_sse4_1(__m128i *bf1, __m128i *out, + const int do_cols, const int bd, + const int out_shift, + const int log_range) { + if (do_cols) { + addsub_no_clamp_sse4_1(bf1[0], bf1[31], out + 0, out + 31); + addsub_no_clamp_sse4_1(bf1[1], bf1[30], out + 1, out + 30); + addsub_no_clamp_sse4_1(bf1[2], bf1[29], out + 2, out + 29); + addsub_no_clamp_sse4_1(bf1[3], bf1[28], out + 3, out + 28); + addsub_no_clamp_sse4_1(bf1[4], bf1[27], out + 4, out + 27); + addsub_no_clamp_sse4_1(bf1[5], bf1[26], out + 5, out + 26); + addsub_no_clamp_sse4_1(bf1[6], bf1[25], out + 6, out + 25); + addsub_no_clamp_sse4_1(bf1[7], bf1[24], out + 7, out + 24); + addsub_no_clamp_sse4_1(bf1[8], bf1[23], out + 8, out + 23); + addsub_no_clamp_sse4_1(bf1[9], bf1[22], out + 9, out + 22); + addsub_no_clamp_sse4_1(bf1[10], bf1[21], out + 10, out + 21); + addsub_no_clamp_sse4_1(bf1[11], bf1[20], out + 11, out + 20); + addsub_no_clamp_sse4_1(bf1[12], bf1[19], out + 12, out + 19); + addsub_no_clamp_sse4_1(bf1[13], bf1[18], out + 13, out + 18); + addsub_no_clamp_sse4_1(bf1[14], bf1[17], out + 14, out + 17); + addsub_no_clamp_sse4_1(bf1[15], bf1[16], out + 15, out + 16); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + addsub_shift_sse4_1(bf1[0], bf1[31], out + 0, out + 31, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[1], bf1[30], out + 1, out + 30, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[2], bf1[29], out + 2, out + 29, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[3], bf1[28], out + 3, out + 28, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[4], bf1[27], out + 4, out + 27, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[5], bf1[26], out + 5, out + 26, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[6], bf1[25], out + 6, out + 25, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[7], bf1[24], out + 7, out + 24, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[8], bf1[23], out + 8, out + 23, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[9], bf1[22], out + 9, out + 22, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[10], bf1[21], out + 10, out + 21, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[11], bf1[20], out + 11, out + 20, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[12], bf1[19], out + 12, out + 19, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[13], bf1[18], out + 13, out + 18, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[14], bf1[17], out + 14, out + 17, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf1[15], bf1[16], out + 15, out + 16, &clamp_lo_out, + &clamp_hi_out, out_shift); + } +} + +static void neg_shift_sse4_1(const __m128i in0, const __m128i in1, + __m128i *out0, __m128i *out1, + const __m128i *clamp_lo, const __m128i *clamp_hi, + int shift) { + __m128i offset = _mm_set1_epi32((1 << shift) >> 1); + __m128i a0 = _mm_add_epi32(offset, in0); + __m128i a1 = _mm_sub_epi32(offset, in1); + + a0 = _mm_sra_epi32(a0, _mm_cvtsi32_si128(shift)); + a1 = _mm_sra_epi32(a1, _mm_cvtsi32_si128(shift)); + + a0 = _mm_max_epi32(a0, *clamp_lo); + a0 = _mm_min_epi32(a0, *clamp_hi); + a1 = _mm_max_epi32(a1, *clamp_lo); + a1 = _mm_min_epi32(a1, *clamp_hi); + + *out0 = a0; + *out1 = a1; +} + +static void idct4x4_sse4_1(__m128i *in, int bit, int do_cols, int bd) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + + __m128i u0, u1, u2, u3; + __m128i v0, v1, v2, v3, x, y; + + v0 = _mm_unpacklo_epi32(in[0], in[1]); + v1 = _mm_unpackhi_epi32(in[0], in[1]); + v2 = _mm_unpacklo_epi32(in[2], in[3]); + v3 = _mm_unpackhi_epi32(in[2], in[3]); + + u0 = _mm_unpacklo_epi64(v0, v2); + u1 = _mm_unpackhi_epi64(v0, v2); + u2 = _mm_unpacklo_epi64(v1, v3); + u3 = _mm_unpackhi_epi64(v1, v3); + + x = _mm_mullo_epi32(u0, cospi32); + y = _mm_mullo_epi32(u2, cospi32); + v0 = _mm_add_epi32(x, y); + v0 = _mm_add_epi32(v0, rnding); + v0 = _mm_srai_epi32(v0, bit); + + v1 = _mm_sub_epi32(x, y); + v1 = _mm_add_epi32(v1, rnding); + v1 = _mm_srai_epi32(v1, bit); + + x = _mm_mullo_epi32(u1, cospi48); + y = _mm_mullo_epi32(u3, cospim16); + v2 = _mm_add_epi32(x, y); + v2 = _mm_add_epi32(v2, rnding); + v2 = _mm_srai_epi32(v2, bit); + + x = _mm_mullo_epi32(u1, cospi16); + y = _mm_mullo_epi32(u3, cospi48); + v3 = _mm_add_epi32(x, y); + v3 = _mm_add_epi32(v3, rnding); + v3 = _mm_srai_epi32(v3, bit); + + if (do_cols) { + addsub_no_clamp_sse4_1(v0, v3, in + 0, in + 3); + addsub_no_clamp_sse4_1(v1, v2, in + 1, in + 2); + } else { + const int log_range = AOMMAX(16, bd + 6); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + addsub_sse4_1(v0, v3, in + 0, in + 3, &clamp_lo, &clamp_hi); + addsub_sse4_1(v1, v2, in + 1, in + 2, &clamp_lo, &clamp_hi); + } +} + +static void iadst4x4_sse4_1(__m128i *in, int bit, int do_cols, int bd) { + const int32_t *sinpi = sinpi_arr(bit); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const __m128i sinpi1 = _mm_set1_epi32((int)sinpi[1]); + const __m128i sinpi2 = _mm_set1_epi32((int)sinpi[2]); + const __m128i sinpi3 = _mm_set1_epi32((int)sinpi[3]); + const __m128i sinpi4 = _mm_set1_epi32((int)sinpi[4]); + __m128i t; + __m128i s0, s1, s2, s3, s4, s5, s6, s7; + __m128i x0, x1, x2, x3; + __m128i u0, u1, u2, u3; + __m128i v0, v1, v2, v3; + + v0 = _mm_unpacklo_epi32(in[0], in[1]); + v1 = _mm_unpackhi_epi32(in[0], in[1]); + v2 = _mm_unpacklo_epi32(in[2], in[3]); + v3 = _mm_unpackhi_epi32(in[2], in[3]); + + x0 = _mm_unpacklo_epi64(v0, v2); + x1 = _mm_unpackhi_epi64(v0, v2); + x2 = _mm_unpacklo_epi64(v1, v3); + x3 = _mm_unpackhi_epi64(v1, v3); + + s0 = _mm_mullo_epi32(x0, sinpi1); + s1 = _mm_mullo_epi32(x0, sinpi2); + s2 = _mm_mullo_epi32(x1, sinpi3); + s3 = _mm_mullo_epi32(x2, sinpi4); + s4 = _mm_mullo_epi32(x2, sinpi1); + s5 = _mm_mullo_epi32(x3, sinpi2); + s6 = _mm_mullo_epi32(x3, sinpi4); + t = _mm_sub_epi32(x0, x2); + s7 = _mm_add_epi32(t, x3); + + t = _mm_add_epi32(s0, s3); + s0 = _mm_add_epi32(t, s5); + t = _mm_sub_epi32(s1, s4); + s1 = _mm_sub_epi32(t, s6); + s3 = s2; + s2 = _mm_mullo_epi32(s7, sinpi3); + + u0 = _mm_add_epi32(s0, s3); + u1 = _mm_add_epi32(s1, s3); + u2 = s2; + t = _mm_add_epi32(s0, s1); + u3 = _mm_sub_epi32(t, s3); + + u0 = _mm_add_epi32(u0, rnding); + u0 = _mm_srai_epi32(u0, bit); + + u1 = _mm_add_epi32(u1, rnding); + u1 = _mm_srai_epi32(u1, bit); + + u2 = _mm_add_epi32(u2, rnding); + u2 = _mm_srai_epi32(u2, bit); + + u3 = _mm_add_epi32(u3, rnding); + u3 = _mm_srai_epi32(u3, bit); + + if (!do_cols) { + const int log_range = AOMMAX(16, bd + 6); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + + u0 = _mm_max_epi32(u0, clamp_lo); + u0 = _mm_min_epi32(u0, clamp_hi); + u1 = _mm_max_epi32(u1, clamp_lo); + u1 = _mm_min_epi32(u1, clamp_hi); + u2 = _mm_max_epi32(u2, clamp_lo); + u2 = _mm_min_epi32(u2, clamp_hi); + u3 = _mm_max_epi32(u3, clamp_lo); + u3 = _mm_min_epi32(u3, clamp_hi); + } + + in[0] = u0; + in[1] = u1; + in[2] = u2; + in[3] = u3; +} + +static INLINE void round_shift_4x4(__m128i *in, int shift) { + __m128i rnding = _mm_set1_epi32(1 << (shift - 1)); + + in[0] = _mm_add_epi32(in[0], rnding); + in[1] = _mm_add_epi32(in[1], rnding); + in[2] = _mm_add_epi32(in[2], rnding); + in[3] = _mm_add_epi32(in[3], rnding); + + in[0] = _mm_srai_epi32(in[0], shift); + in[1] = _mm_srai_epi32(in[1], shift); + in[2] = _mm_srai_epi32(in[2], shift); + in[3] = _mm_srai_epi32(in[3], shift); +} + +static void write_buffer_4x4(__m128i *in, uint16_t *output, int stride, + int fliplr, int flipud, int shift, int bd) { + const __m128i zero = _mm_setzero_si128(); + __m128i u0, u1, u2, u3; + __m128i v0, v1, v2, v3; + + round_shift_4x4(in, shift); + + v0 = _mm_loadl_epi64((__m128i const *)(output + 0 * stride)); + v1 = _mm_loadl_epi64((__m128i const *)(output + 1 * stride)); + v2 = _mm_loadl_epi64((__m128i const *)(output + 2 * stride)); + v3 = _mm_loadl_epi64((__m128i const *)(output + 3 * stride)); + + v0 = _mm_unpacklo_epi16(v0, zero); + v1 = _mm_unpacklo_epi16(v1, zero); + v2 = _mm_unpacklo_epi16(v2, zero); + v3 = _mm_unpacklo_epi16(v3, zero); + + if (fliplr) { + in[0] = _mm_shuffle_epi32(in[0], 0x1B); + in[1] = _mm_shuffle_epi32(in[1], 0x1B); + in[2] = _mm_shuffle_epi32(in[2], 0x1B); + in[3] = _mm_shuffle_epi32(in[3], 0x1B); + } + + if (flipud) { + u0 = _mm_add_epi32(in[3], v0); + u1 = _mm_add_epi32(in[2], v1); + u2 = _mm_add_epi32(in[1], v2); + u3 = _mm_add_epi32(in[0], v3); + } else { + u0 = _mm_add_epi32(in[0], v0); + u1 = _mm_add_epi32(in[1], v1); + u2 = _mm_add_epi32(in[2], v2); + u3 = _mm_add_epi32(in[3], v3); + } + + v0 = _mm_packus_epi32(u0, u1); + v2 = _mm_packus_epi32(u2, u3); + + u0 = highbd_clamp_epi16(v0, bd); + u2 = highbd_clamp_epi16(v2, bd); + + v0 = _mm_unpacklo_epi64(u0, u0); + v1 = _mm_unpackhi_epi64(u0, u0); + v2 = _mm_unpacklo_epi64(u2, u2); + v3 = _mm_unpackhi_epi64(u2, u2); + + _mm_storel_epi64((__m128i *)(output + 0 * stride), v0); + _mm_storel_epi64((__m128i *)(output + 1 * stride), v1); + _mm_storel_epi64((__m128i *)(output + 2 * stride), v2); + _mm_storel_epi64((__m128i *)(output + 3 * stride), v3); +} + +void av1_inv_txfm2d_add_4x4_sse4_1(const int32_t *coeff, uint16_t *output, + int stride, TX_TYPE tx_type, int bd) { + __m128i in[4]; + const int8_t *shift = inv_txfm_shift_ls[TX_4X4]; + const int txw_idx = get_txw_idx(TX_4X4); + const int txh_idx = get_txh_idx(TX_4X4); + + switch (tx_type) { + case DCT_DCT: + load_buffer_4x4(coeff, in); + idct4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + idct4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd); + break; + case ADST_DCT: + load_buffer_4x4(coeff, in); + idct4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + iadst4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd); + break; + case DCT_ADST: + load_buffer_4x4(coeff, in); + iadst4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + idct4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd); + break; + case ADST_ADST: + load_buffer_4x4(coeff, in); + iadst4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + iadst4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd); + break; + case FLIPADST_DCT: + load_buffer_4x4(coeff, in); + idct4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + iadst4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd); + break; + case DCT_FLIPADST: + load_buffer_4x4(coeff, in); + iadst4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + idct4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd); + break; + case FLIPADST_FLIPADST: + load_buffer_4x4(coeff, in); + iadst4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + iadst4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 1, 1, -shift[1], bd); + break; + case ADST_FLIPADST: + load_buffer_4x4(coeff, in); + iadst4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + iadst4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd); + break; + case FLIPADST_ADST: + load_buffer_4x4(coeff, in); + iadst4x4_sse4_1(in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd); + iadst4x4_sse4_1(in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd); + write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd); + break; + default: assert(0); + } +} + +// 8x8 +static void load_buffer_8x8(const int32_t *coeff, __m128i *in) { + in[0] = _mm_load_si128((const __m128i *)(coeff + 0)); + in[1] = _mm_load_si128((const __m128i *)(coeff + 4)); + in[2] = _mm_load_si128((const __m128i *)(coeff + 8)); + in[3] = _mm_load_si128((const __m128i *)(coeff + 12)); + in[4] = _mm_load_si128((const __m128i *)(coeff + 16)); + in[5] = _mm_load_si128((const __m128i *)(coeff + 20)); + in[6] = _mm_load_si128((const __m128i *)(coeff + 24)); + in[7] = _mm_load_si128((const __m128i *)(coeff + 28)); + in[8] = _mm_load_si128((const __m128i *)(coeff + 32)); + in[9] = _mm_load_si128((const __m128i *)(coeff + 36)); + in[10] = _mm_load_si128((const __m128i *)(coeff + 40)); + in[11] = _mm_load_si128((const __m128i *)(coeff + 44)); + in[12] = _mm_load_si128((const __m128i *)(coeff + 48)); + in[13] = _mm_load_si128((const __m128i *)(coeff + 52)); + in[14] = _mm_load_si128((const __m128i *)(coeff + 56)); + in[15] = _mm_load_si128((const __m128i *)(coeff + 60)); +} + +static void idct8x8_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u0, u1, u2, u3, u4, u5, u6, u7; + __m128i v0, v1, v2, v3, v4, v5, v6, v7; + __m128i x, y; + int col; + + // Note: + // Even column: 0, 2, ..., 14 + // Odd column: 1, 3, ..., 15 + // one even column plus one odd column constructs one row (8 coeffs) + // total we have 8 rows (8x8). + for (col = 0; col < 2; ++col) { + // stage 0 + // stage 1 + // stage 2 + u0 = in[0 * 2 + col]; + u1 = in[4 * 2 + col]; + u2 = in[2 * 2 + col]; + u3 = in[6 * 2 + col]; + + x = _mm_mullo_epi32(in[1 * 2 + col], cospi56); + y = _mm_mullo_epi32(in[7 * 2 + col], cospim8); + u4 = _mm_add_epi32(x, y); + u4 = _mm_add_epi32(u4, rnding); + u4 = _mm_srai_epi32(u4, bit); + + x = _mm_mullo_epi32(in[1 * 2 + col], cospi8); + y = _mm_mullo_epi32(in[7 * 2 + col], cospi56); + u7 = _mm_add_epi32(x, y); + u7 = _mm_add_epi32(u7, rnding); + u7 = _mm_srai_epi32(u7, bit); + + x = _mm_mullo_epi32(in[5 * 2 + col], cospi24); + y = _mm_mullo_epi32(in[3 * 2 + col], cospim40); + u5 = _mm_add_epi32(x, y); + u5 = _mm_add_epi32(u5, rnding); + u5 = _mm_srai_epi32(u5, bit); + + x = _mm_mullo_epi32(in[5 * 2 + col], cospi40); + y = _mm_mullo_epi32(in[3 * 2 + col], cospi24); + u6 = _mm_add_epi32(x, y); + u6 = _mm_add_epi32(u6, rnding); + u6 = _mm_srai_epi32(u6, bit); + + // stage 3 + x = _mm_mullo_epi32(u0, cospi32); + y = _mm_mullo_epi32(u1, cospi32); + v0 = _mm_add_epi32(x, y); + v0 = _mm_add_epi32(v0, rnding); + v0 = _mm_srai_epi32(v0, bit); + + v1 = _mm_sub_epi32(x, y); + v1 = _mm_add_epi32(v1, rnding); + v1 = _mm_srai_epi32(v1, bit); + + x = _mm_mullo_epi32(u2, cospi48); + y = _mm_mullo_epi32(u3, cospim16); + v2 = _mm_add_epi32(x, y); + v2 = _mm_add_epi32(v2, rnding); + v2 = _mm_srai_epi32(v2, bit); + + x = _mm_mullo_epi32(u2, cospi16); + y = _mm_mullo_epi32(u3, cospi48); + v3 = _mm_add_epi32(x, y); + v3 = _mm_add_epi32(v3, rnding); + v3 = _mm_srai_epi32(v3, bit); + + addsub_sse4_1(u4, u5, &v4, &v5, &clamp_lo, &clamp_hi); + addsub_sse4_1(u7, u6, &v7, &v6, &clamp_lo, &clamp_hi); + + // stage 4 + addsub_sse4_1(v0, v3, &u0, &u3, &clamp_lo, &clamp_hi); + addsub_sse4_1(v1, v2, &u1, &u2, &clamp_lo, &clamp_hi); + u4 = v4; + u7 = v7; + + x = _mm_mullo_epi32(v5, cospi32); + y = _mm_mullo_epi32(v6, cospi32); + u6 = _mm_add_epi32(y, x); + u6 = _mm_add_epi32(u6, rnding); + u6 = _mm_srai_epi32(u6, bit); + + u5 = _mm_sub_epi32(y, x); + u5 = _mm_add_epi32(u5, rnding); + u5 = _mm_srai_epi32(u5, bit); + + // stage 5 + if (do_cols) { + addsub_no_clamp_sse4_1(u0, u7, out + 0 * 2 + col, out + 7 * 2 + col); + addsub_no_clamp_sse4_1(u1, u6, out + 1 * 2 + col, out + 6 * 2 + col); + addsub_no_clamp_sse4_1(u2, u5, out + 2 * 2 + col, out + 5 * 2 + col); + addsub_no_clamp_sse4_1(u3, u4, out + 3 * 2 + col, out + 4 * 2 + col); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + addsub_shift_sse4_1(u0, u7, out + 0 * 2 + col, out + 7 * 2 + col, + &clamp_lo_out, &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u1, u6, out + 1 * 2 + col, out + 6 * 2 + col, + &clamp_lo_out, &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u2, u5, out + 2 * 2 + col, out + 5 * 2 + col, + &clamp_lo_out, &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u3, u4, out + 3 * 2 + col, out + 4 * 2 + col, + &clamp_lo_out, &clamp_hi_out, out_shift); + } + } +} + +static void iadst8x8_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi36 = _mm_set1_epi32(cospi[36]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi52 = _mm_set1_epi32(cospi[52]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const __m128i kZero = _mm_setzero_si128(); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u[8], v[8], x; + + // Even 8 points: 0, 2, ..., 14 + // stage 0 + // stage 1 + // stage 2 + // (1) + u[0] = _mm_mullo_epi32(in[14], cospi4); + x = _mm_mullo_epi32(in[0], cospi60); + u[0] = _mm_add_epi32(u[0], x); + u[0] = _mm_add_epi32(u[0], rnding); + u[0] = _mm_srai_epi32(u[0], bit); + + u[1] = _mm_mullo_epi32(in[14], cospi60); + x = _mm_mullo_epi32(in[0], cospi4); + u[1] = _mm_sub_epi32(u[1], x); + u[1] = _mm_add_epi32(u[1], rnding); + u[1] = _mm_srai_epi32(u[1], bit); + + // (2) + u[2] = _mm_mullo_epi32(in[10], cospi20); + x = _mm_mullo_epi32(in[4], cospi44); + u[2] = _mm_add_epi32(u[2], x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_mullo_epi32(in[10], cospi44); + x = _mm_mullo_epi32(in[4], cospi20); + u[3] = _mm_sub_epi32(u[3], x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + // (3) + u[4] = _mm_mullo_epi32(in[6], cospi36); + x = _mm_mullo_epi32(in[8], cospi28); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + u[5] = _mm_mullo_epi32(in[6], cospi28); + x = _mm_mullo_epi32(in[8], cospi36); + u[5] = _mm_sub_epi32(u[5], x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + // (4) + u[6] = _mm_mullo_epi32(in[2], cospi52); + x = _mm_mullo_epi32(in[12], cospi12); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_mullo_epi32(in[2], cospi12); + x = _mm_mullo_epi32(in[12], cospi52); + u[7] = _mm_sub_epi32(u[7], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 3 + addsub_sse4_1(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi); + + // stage 4 + u[0] = v[0]; + u[1] = v[1]; + u[2] = v[2]; + u[3] = v[3]; + + u[4] = _mm_mullo_epi32(v[4], cospi16); + x = _mm_mullo_epi32(v[5], cospi48); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + u[5] = _mm_mullo_epi32(v[4], cospi48); + x = _mm_mullo_epi32(v[5], cospi16); + u[5] = _mm_sub_epi32(u[5], x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + u[6] = _mm_mullo_epi32(v[6], cospim48); + x = _mm_mullo_epi32(v[7], cospi16); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_mullo_epi32(v[6], cospi16); + x = _mm_mullo_epi32(v[7], cospim48); + u[7] = _mm_sub_epi32(u[7], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 5 + addsub_sse4_1(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi); + + // stage 6 + u[0] = v[0]; + u[1] = v[1]; + u[4] = v[4]; + u[5] = v[5]; + + v[0] = _mm_mullo_epi32(v[2], cospi32); + x = _mm_mullo_epi32(v[3], cospi32); + u[2] = _mm_add_epi32(v[0], x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_sub_epi32(v[0], x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + v[0] = _mm_mullo_epi32(v[6], cospi32); + x = _mm_mullo_epi32(v[7], cospi32); + u[6] = _mm_add_epi32(v[0], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_sub_epi32(v[0], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 7 + if (do_cols) { + out[0] = u[0]; + out[2] = _mm_sub_epi32(kZero, u[4]); + out[4] = u[6]; + out[6] = _mm_sub_epi32(kZero, u[2]); + out[8] = u[3]; + out[10] = _mm_sub_epi32(kZero, u[7]); + out[12] = u[5]; + out[14] = _mm_sub_epi32(kZero, u[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(u[0], u[4], out + 0, out + 2, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[6], u[2], out + 4, out + 6, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[3], u[7], out + 8, out + 10, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[5], u[1], out + 12, out + 14, &clamp_lo_out, + &clamp_hi_out, out_shift); + } + + // Odd 8 points: 1, 3, ..., 15 + // stage 0 + // stage 1 + // stage 2 + // (1) + u[0] = _mm_mullo_epi32(in[15], cospi4); + x = _mm_mullo_epi32(in[1], cospi60); + u[0] = _mm_add_epi32(u[0], x); + u[0] = _mm_add_epi32(u[0], rnding); + u[0] = _mm_srai_epi32(u[0], bit); + + u[1] = _mm_mullo_epi32(in[15], cospi60); + x = _mm_mullo_epi32(in[1], cospi4); + u[1] = _mm_sub_epi32(u[1], x); + u[1] = _mm_add_epi32(u[1], rnding); + u[1] = _mm_srai_epi32(u[1], bit); + + // (2) + u[2] = _mm_mullo_epi32(in[11], cospi20); + x = _mm_mullo_epi32(in[5], cospi44); + u[2] = _mm_add_epi32(u[2], x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_mullo_epi32(in[11], cospi44); + x = _mm_mullo_epi32(in[5], cospi20); + u[3] = _mm_sub_epi32(u[3], x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + // (3) + u[4] = _mm_mullo_epi32(in[7], cospi36); + x = _mm_mullo_epi32(in[9], cospi28); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + u[5] = _mm_mullo_epi32(in[7], cospi28); + x = _mm_mullo_epi32(in[9], cospi36); + u[5] = _mm_sub_epi32(u[5], x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + // (4) + u[6] = _mm_mullo_epi32(in[3], cospi52); + x = _mm_mullo_epi32(in[13], cospi12); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_mullo_epi32(in[3], cospi12); + x = _mm_mullo_epi32(in[13], cospi52); + u[7] = _mm_sub_epi32(u[7], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 3 + addsub_sse4_1(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi); + + // stage 4 + u[0] = v[0]; + u[1] = v[1]; + u[2] = v[2]; + u[3] = v[3]; + + u[4] = _mm_mullo_epi32(v[4], cospi16); + x = _mm_mullo_epi32(v[5], cospi48); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + u[5] = _mm_mullo_epi32(v[4], cospi48); + x = _mm_mullo_epi32(v[5], cospi16); + u[5] = _mm_sub_epi32(u[5], x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + u[6] = _mm_mullo_epi32(v[6], cospim48); + x = _mm_mullo_epi32(v[7], cospi16); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_mullo_epi32(v[6], cospi16); + x = _mm_mullo_epi32(v[7], cospim48); + u[7] = _mm_sub_epi32(u[7], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 5 + addsub_sse4_1(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi); + + // stage 6 + u[0] = v[0]; + u[1] = v[1]; + u[4] = v[4]; + u[5] = v[5]; + + v[0] = _mm_mullo_epi32(v[2], cospi32); + x = _mm_mullo_epi32(v[3], cospi32); + u[2] = _mm_add_epi32(v[0], x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_sub_epi32(v[0], x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + v[0] = _mm_mullo_epi32(v[6], cospi32); + x = _mm_mullo_epi32(v[7], cospi32); + u[6] = _mm_add_epi32(v[0], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_sub_epi32(v[0], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 7 + if (do_cols) { + out[1] = u[0]; + out[3] = _mm_sub_epi32(kZero, u[4]); + out[5] = u[6]; + out[7] = _mm_sub_epi32(kZero, u[2]); + out[9] = u[3]; + out[11] = _mm_sub_epi32(kZero, u[7]); + out[13] = u[5]; + out[15] = _mm_sub_epi32(kZero, u[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(u[0], u[4], out + 1, out + 3, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[6], u[2], out + 5, out + 7, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[3], u[7], out + 9, out + 11, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[5], u[1], out + 13, out + 15, &clamp_lo_out, + &clamp_hi_out, out_shift); + } +} + +static void round_shift_8x8(__m128i *in, int shift) { + round_shift_4x4(&in[0], shift); + round_shift_4x4(&in[4], shift); + round_shift_4x4(&in[8], shift); + round_shift_4x4(&in[12], shift); +} + +static __m128i get_recon_8x8(const __m128i pred, __m128i res_lo, __m128i res_hi, + int fliplr, int bd) { + __m128i x0, x1; + const __m128i zero = _mm_setzero_si128(); + + x0 = _mm_unpacklo_epi16(pred, zero); + x1 = _mm_unpackhi_epi16(pred, zero); + + if (fliplr) { + res_lo = _mm_shuffle_epi32(res_lo, 0x1B); + res_hi = _mm_shuffle_epi32(res_hi, 0x1B); + x0 = _mm_add_epi32(res_hi, x0); + x1 = _mm_add_epi32(res_lo, x1); + + } else { + x0 = _mm_add_epi32(res_lo, x0); + x1 = _mm_add_epi32(res_hi, x1); + } + + x0 = _mm_packus_epi32(x0, x1); + return highbd_clamp_epi16(x0, bd); +} + +static void write_buffer_8x8(__m128i *in, uint16_t *output, int stride, + int fliplr, int flipud, int shift, int bd) { + __m128i u0, u1, u2, u3, u4, u5, u6, u7; + __m128i v0, v1, v2, v3, v4, v5, v6, v7; + + round_shift_8x8(in, shift); + + v0 = _mm_load_si128((__m128i const *)(output + 0 * stride)); + v1 = _mm_load_si128((__m128i const *)(output + 1 * stride)); + v2 = _mm_load_si128((__m128i const *)(output + 2 * stride)); + v3 = _mm_load_si128((__m128i const *)(output + 3 * stride)); + v4 = _mm_load_si128((__m128i const *)(output + 4 * stride)); + v5 = _mm_load_si128((__m128i const *)(output + 5 * stride)); + v6 = _mm_load_si128((__m128i const *)(output + 6 * stride)); + v7 = _mm_load_si128((__m128i const *)(output + 7 * stride)); + + if (flipud) { + u0 = get_recon_8x8(v0, in[14], in[15], fliplr, bd); + u1 = get_recon_8x8(v1, in[12], in[13], fliplr, bd); + u2 = get_recon_8x8(v2, in[10], in[11], fliplr, bd); + u3 = get_recon_8x8(v3, in[8], in[9], fliplr, bd); + u4 = get_recon_8x8(v4, in[6], in[7], fliplr, bd); + u5 = get_recon_8x8(v5, in[4], in[5], fliplr, bd); + u6 = get_recon_8x8(v6, in[2], in[3], fliplr, bd); + u7 = get_recon_8x8(v7, in[0], in[1], fliplr, bd); + } else { + u0 = get_recon_8x8(v0, in[0], in[1], fliplr, bd); + u1 = get_recon_8x8(v1, in[2], in[3], fliplr, bd); + u2 = get_recon_8x8(v2, in[4], in[5], fliplr, bd); + u3 = get_recon_8x8(v3, in[6], in[7], fliplr, bd); + u4 = get_recon_8x8(v4, in[8], in[9], fliplr, bd); + u5 = get_recon_8x8(v5, in[10], in[11], fliplr, bd); + u6 = get_recon_8x8(v6, in[12], in[13], fliplr, bd); + u7 = get_recon_8x8(v7, in[14], in[15], fliplr, bd); + } + + _mm_store_si128((__m128i *)(output + 0 * stride), u0); + _mm_store_si128((__m128i *)(output + 1 * stride), u1); + _mm_store_si128((__m128i *)(output + 2 * stride), u2); + _mm_store_si128((__m128i *)(output + 3 * stride), u3); + _mm_store_si128((__m128i *)(output + 4 * stride), u4); + _mm_store_si128((__m128i *)(output + 5 * stride), u5); + _mm_store_si128((__m128i *)(output + 6 * stride), u6); + _mm_store_si128((__m128i *)(output + 7 * stride), u7); +} + +void av1_inv_txfm2d_add_8x8_sse4_1(const int32_t *coeff, uint16_t *output, + int stride, TX_TYPE tx_type, int bd) { + __m128i in[16], out[16]; + const int8_t *shift = inv_txfm_shift_ls[TX_8X8]; + const int txw_idx = get_txw_idx(TX_8X8); + const int txh_idx = get_txh_idx(TX_8X8); + + switch (tx_type) { + case DCT_DCT: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + idct8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + idct8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd); + break; + case DCT_ADST: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + idct8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd); + break; + case ADST_DCT: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + idct8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd); + break; + case ADST_ADST: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd); + break; + case FLIPADST_DCT: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + idct8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 0, 1, -shift[1], bd); + break; + case DCT_FLIPADST: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + idct8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 1, 0, -shift[1], bd); + break; + case ADST_FLIPADST: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 1, 0, -shift[1], bd); + break; + case FLIPADST_FLIPADST: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 1, 1, -shift[1], bd); + break; + case FLIPADST_ADST: + load_buffer_8x8(coeff, in); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, + -shift[0]); + transpose_8x8(in, out); + iadst8x8_sse4_1(out, in, inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + write_buffer_8x8(in, output, stride, 0, 1, -shift[1], bd); + break; + default: assert(0); + } +} + +static void idct8x8_low1_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + __m128i x; + + // stage 0 + // stage 1 + // stage 2 + // stage 3 + x = _mm_mullo_epi32(in[0], cospi32); + x = _mm_add_epi32(x, rnding); + x = _mm_srai_epi32(x, bit); + + // stage 4 + // stage 5 + if (!do_cols) { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + __m128i offset = _mm_set1_epi32((1 << out_shift) >> 1); + x = _mm_add_epi32(x, offset); + x = _mm_sra_epi32(x, _mm_cvtsi32_si128(out_shift)); + x = _mm_max_epi32(x, clamp_lo_out); + x = _mm_min_epi32(x, clamp_hi_out); + } + + out[0] = x; + out[1] = x; + out[2] = x; + out[3] = x; + out[4] = x; + out[5] = x; + out[6] = x; + out[7] = x; +} + +static void idct8x8_new_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u0, u1, u2, u3, u4, u5, u6, u7; + __m128i v0, v1, v2, v3, v4, v5, v6, v7; + __m128i x, y; + + // stage 0 + // stage 1 + // stage 2 + u0 = in[0]; + u1 = in[4]; + u2 = in[2]; + u3 = in[6]; + + x = _mm_mullo_epi32(in[1], cospi56); + y = _mm_mullo_epi32(in[7], cospim8); + u4 = _mm_add_epi32(x, y); + u4 = _mm_add_epi32(u4, rnding); + u4 = _mm_srai_epi32(u4, bit); + + x = _mm_mullo_epi32(in[1], cospi8); + y = _mm_mullo_epi32(in[7], cospi56); + u7 = _mm_add_epi32(x, y); + u7 = _mm_add_epi32(u7, rnding); + u7 = _mm_srai_epi32(u7, bit); + + x = _mm_mullo_epi32(in[5], cospi24); + y = _mm_mullo_epi32(in[3], cospim40); + u5 = _mm_add_epi32(x, y); + u5 = _mm_add_epi32(u5, rnding); + u5 = _mm_srai_epi32(u5, bit); + + x = _mm_mullo_epi32(in[5], cospi40); + y = _mm_mullo_epi32(in[3], cospi24); + u6 = _mm_add_epi32(x, y); + u6 = _mm_add_epi32(u6, rnding); + u6 = _mm_srai_epi32(u6, bit); + + // stage 3 + x = _mm_mullo_epi32(u0, cospi32); + y = _mm_mullo_epi32(u1, cospi32); + v0 = _mm_add_epi32(x, y); + v0 = _mm_add_epi32(v0, rnding); + v0 = _mm_srai_epi32(v0, bit); + + v1 = _mm_sub_epi32(x, y); + v1 = _mm_add_epi32(v1, rnding); + v1 = _mm_srai_epi32(v1, bit); + + x = _mm_mullo_epi32(u2, cospi48); + y = _mm_mullo_epi32(u3, cospim16); + v2 = _mm_add_epi32(x, y); + v2 = _mm_add_epi32(v2, rnding); + v2 = _mm_srai_epi32(v2, bit); + + x = _mm_mullo_epi32(u2, cospi16); + y = _mm_mullo_epi32(u3, cospi48); + v3 = _mm_add_epi32(x, y); + v3 = _mm_add_epi32(v3, rnding); + v3 = _mm_srai_epi32(v3, bit); + + addsub_sse4_1(u4, u5, &v4, &v5, &clamp_lo, &clamp_hi); + addsub_sse4_1(u7, u6, &v7, &v6, &clamp_lo, &clamp_hi); + + // stage 4 + addsub_sse4_1(v0, v3, &u0, &u3, &clamp_lo, &clamp_hi); + addsub_sse4_1(v1, v2, &u1, &u2, &clamp_lo, &clamp_hi); + u4 = v4; + u7 = v7; + + x = _mm_mullo_epi32(v5, cospi32); + y = _mm_mullo_epi32(v6, cospi32); + u6 = _mm_add_epi32(y, x); + u6 = _mm_add_epi32(u6, rnding); + u6 = _mm_srai_epi32(u6, bit); + + u5 = _mm_sub_epi32(y, x); + u5 = _mm_add_epi32(u5, rnding); + u5 = _mm_srai_epi32(u5, bit); + + // stage 5 + if (do_cols) { + addsub_no_clamp_sse4_1(u0, u7, out + 0, out + 7); + addsub_no_clamp_sse4_1(u1, u6, out + 1, out + 6); + addsub_no_clamp_sse4_1(u2, u5, out + 2, out + 5); + addsub_no_clamp_sse4_1(u3, u4, out + 3, out + 4); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + addsub_shift_sse4_1(u0, u7, out + 0, out + 7, &clamp_lo_out, &clamp_hi_out, + out_shift); + addsub_shift_sse4_1(u1, u6, out + 1, out + 6, &clamp_lo_out, &clamp_hi_out, + out_shift); + addsub_shift_sse4_1(u2, u5, out + 2, out + 5, &clamp_lo_out, &clamp_hi_out, + out_shift); + addsub_shift_sse4_1(u3, u4, out + 3, out + 4, &clamp_lo_out, &clamp_hi_out, + out_shift); + } +} + +static void iadst8x8_low1_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const __m128i kZero = _mm_setzero_si128(); + __m128i u[8], x; + + // stage 0 + // stage 1 + // stage 2 + + x = _mm_mullo_epi32(in[0], cospi60); + u[0] = _mm_add_epi32(x, rnding); + u[0] = _mm_srai_epi32(u[0], bit); + + x = _mm_mullo_epi32(in[0], cospi4); + u[1] = _mm_sub_epi32(kZero, x); + u[1] = _mm_add_epi32(u[1], rnding); + u[1] = _mm_srai_epi32(u[1], bit); + + // stage 3 + // stage 4 + __m128i temp1, temp2; + temp1 = _mm_mullo_epi32(u[0], cospi16); + x = _mm_mullo_epi32(u[1], cospi48); + temp1 = _mm_add_epi32(temp1, x); + temp1 = _mm_add_epi32(temp1, rnding); + temp1 = _mm_srai_epi32(temp1, bit); + u[4] = temp1; + + temp2 = _mm_mullo_epi32(u[0], cospi48); + x = _mm_mullo_epi32(u[1], cospi16); + u[5] = _mm_sub_epi32(temp2, x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + // stage 5 + // stage 6 + temp1 = _mm_mullo_epi32(u[0], cospi32); + x = _mm_mullo_epi32(u[1], cospi32); + u[2] = _mm_add_epi32(temp1, x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_sub_epi32(temp1, x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + temp1 = _mm_mullo_epi32(u[4], cospi32); + x = _mm_mullo_epi32(u[5], cospi32); + u[6] = _mm_add_epi32(temp1, x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_sub_epi32(temp1, x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 7 + if (do_cols) { + out[0] = u[0]; + out[1] = _mm_sub_epi32(kZero, u[4]); + out[2] = u[6]; + out[3] = _mm_sub_epi32(kZero, u[2]); + out[4] = u[3]; + out[5] = _mm_sub_epi32(kZero, u[7]); + out[6] = u[5]; + out[7] = _mm_sub_epi32(kZero, u[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(u[0], u[4], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[6], u[2], out + 2, out + 3, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[3], u[7], out + 4, out + 5, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[5], u[1], out + 6, out + 7, &clamp_lo_out, &clamp_hi_out, + out_shift); + } +} + +static void iadst8x8_new_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi36 = _mm_set1_epi32(cospi[36]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi52 = _mm_set1_epi32(cospi[52]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const __m128i kZero = _mm_setzero_si128(); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u[8], v[8], x; + + // stage 0 + // stage 1 + // stage 2 + + u[0] = _mm_mullo_epi32(in[7], cospi4); + x = _mm_mullo_epi32(in[0], cospi60); + u[0] = _mm_add_epi32(u[0], x); + u[0] = _mm_add_epi32(u[0], rnding); + u[0] = _mm_srai_epi32(u[0], bit); + + u[1] = _mm_mullo_epi32(in[7], cospi60); + x = _mm_mullo_epi32(in[0], cospi4); + u[1] = _mm_sub_epi32(u[1], x); + u[1] = _mm_add_epi32(u[1], rnding); + u[1] = _mm_srai_epi32(u[1], bit); + + // (2) + u[2] = _mm_mullo_epi32(in[5], cospi20); + x = _mm_mullo_epi32(in[2], cospi44); + u[2] = _mm_add_epi32(u[2], x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_mullo_epi32(in[5], cospi44); + x = _mm_mullo_epi32(in[2], cospi20); + u[3] = _mm_sub_epi32(u[3], x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + // (3) + u[4] = _mm_mullo_epi32(in[3], cospi36); + x = _mm_mullo_epi32(in[4], cospi28); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + u[5] = _mm_mullo_epi32(in[3], cospi28); + x = _mm_mullo_epi32(in[4], cospi36); + u[5] = _mm_sub_epi32(u[5], x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + // (4) + u[6] = _mm_mullo_epi32(in[1], cospi52); + x = _mm_mullo_epi32(in[6], cospi12); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_mullo_epi32(in[1], cospi12); + x = _mm_mullo_epi32(in[6], cospi52); + u[7] = _mm_sub_epi32(u[7], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 3 + addsub_sse4_1(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi); + + // stage 4 + u[0] = v[0]; + u[1] = v[1]; + u[2] = v[2]; + u[3] = v[3]; + + u[4] = _mm_mullo_epi32(v[4], cospi16); + x = _mm_mullo_epi32(v[5], cospi48); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + u[5] = _mm_mullo_epi32(v[4], cospi48); + x = _mm_mullo_epi32(v[5], cospi16); + u[5] = _mm_sub_epi32(u[5], x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + u[6] = _mm_mullo_epi32(v[6], cospim48); + x = _mm_mullo_epi32(v[7], cospi16); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_mullo_epi32(v[6], cospi16); + x = _mm_mullo_epi32(v[7], cospim48); + u[7] = _mm_sub_epi32(u[7], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 5 + addsub_sse4_1(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi); + + // stage 6 + u[0] = v[0]; + u[1] = v[1]; + u[4] = v[4]; + u[5] = v[5]; + + v[0] = _mm_mullo_epi32(v[2], cospi32); + x = _mm_mullo_epi32(v[3], cospi32); + u[2] = _mm_add_epi32(v[0], x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_sub_epi32(v[0], x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + v[0] = _mm_mullo_epi32(v[6], cospi32); + x = _mm_mullo_epi32(v[7], cospi32); + u[6] = _mm_add_epi32(v[0], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_sub_epi32(v[0], x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + // stage 7 + if (do_cols) { + out[0] = u[0]; + out[1] = _mm_sub_epi32(kZero, u[4]); + out[2] = u[6]; + out[3] = _mm_sub_epi32(kZero, u[2]); + out[4] = u[3]; + out[5] = _mm_sub_epi32(kZero, u[7]); + out[6] = u[5]; + out[7] = _mm_sub_epi32(kZero, u[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(u[0], u[4], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[6], u[2], out + 2, out + 3, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[3], u[7], out + 4, out + 5, &clamp_lo_out, &clamp_hi_out, + out_shift); + neg_shift_sse4_1(u[5], u[1], out + 6, out + 7, &clamp_lo_out, &clamp_hi_out, + out_shift); + } +} + +static void idct16x16_low1_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + + { + // stage 0 + // stage 1 + // stage 2 + // stage 3 + // stage 4 + in[0] = _mm_mullo_epi32(in[0], cospi32); + in[0] = _mm_add_epi32(in[0], rnding); + in[0] = _mm_srai_epi32(in[0], bit); + + // stage 5 + // stage 6 + // stage 7 + if (do_cols) { + in[0] = _mm_max_epi32(in[0], clamp_lo); + in[0] = _mm_min_epi32(in[0], clamp_hi); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + __m128i offset = _mm_set1_epi32((1 << out_shift) >> 1); + in[0] = _mm_add_epi32(in[0], offset); + in[0] = _mm_sra_epi32(in[0], _mm_cvtsi32_si128(out_shift)); + in[0] = _mm_max_epi32(in[0], clamp_lo_out); + in[0] = _mm_min_epi32(in[0], clamp_hi_out); + } + + out[0] = in[0]; + out[1] = in[0]; + out[2] = in[0]; + out[3] = in[0]; + out[4] = in[0]; + out[5] = in[0]; + out[6] = in[0]; + out[7] = in[0]; + out[8] = in[0]; + out[9] = in[0]; + out[10] = in[0]; + out[11] = in[0]; + out[12] = in[0]; + out[13] = in[0]; + out[14] = in[0]; + out[15] = in[0]; + } +} + +static void idct16x16_low8_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u[16], x, y; + + { + // stage 0 + // stage 1 + u[0] = in[0]; + u[2] = in[4]; + u[4] = in[2]; + u[6] = in[6]; + u[8] = in[1]; + u[10] = in[5]; + u[12] = in[3]; + u[14] = in[7]; + + // stage 2 + u[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit); + u[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit); + + u[9] = half_btf_0_sse4_1(&cospim36, &u[14], &rnding, bit); + u[14] = half_btf_0_sse4_1(&cospi28, &u[14], &rnding, bit); + + u[13] = half_btf_0_sse4_1(&cospi20, &u[10], &rnding, bit); + u[10] = half_btf_0_sse4_1(&cospi44, &u[10], &rnding, bit); + + u[11] = half_btf_0_sse4_1(&cospim52, &u[12], &rnding, bit); + u[12] = half_btf_0_sse4_1(&cospi12, &u[12], &rnding, bit); + + // stage 3 + u[7] = half_btf_0_sse4_1(&cospi8, &u[4], &rnding, bit); + u[4] = half_btf_0_sse4_1(&cospi56, &u[4], &rnding, bit); + u[5] = half_btf_0_sse4_1(&cospim40, &u[6], &rnding, bit); + u[6] = half_btf_0_sse4_1(&cospi24, &u[6], &rnding, bit); + + addsub_sse4_1(u[8], u[9], &u[8], &u[9], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[11], u[10], &u[11], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[12], u[13], &u[12], &u[13], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[15], u[14], &u[15], &u[14], &clamp_lo, &clamp_hi); + + // stage 4 + x = _mm_mullo_epi32(u[0], cospi32); + u[0] = _mm_add_epi32(x, rnding); + u[0] = _mm_srai_epi32(u[0], bit); + u[1] = u[0]; + + u[3] = half_btf_0_sse4_1(&cospi16, &u[2], &rnding, bit); + u[2] = half_btf_0_sse4_1(&cospi48, &u[2], &rnding, bit); + + addsub_sse4_1(u[4], u[5], &u[4], &u[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[7], u[6], &u[7], &u[6], &clamp_lo, &clamp_hi); + + x = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit); + u[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit); + u[9] = x; + y = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit); + u[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit); + u[10] = y; + + // stage 5 + addsub_sse4_1(u[0], u[3], &u[0], &u[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[2], &u[1], &u[2], &clamp_lo, &clamp_hi); + + x = _mm_mullo_epi32(u[5], cospi32); + y = _mm_mullo_epi32(u[6], cospi32); + u[5] = _mm_sub_epi32(y, x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + u[6] = _mm_add_epi32(y, x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + addsub_sse4_1(u[8], u[11], &u[8], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[9], u[10], &u[9], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[15], u[12], &u[15], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[14], u[13], &u[14], &u[13], &clamp_lo, &clamp_hi); + + // stage 6 + addsub_sse4_1(u[0], u[7], &u[0], &u[7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[6], &u[1], &u[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[5], &u[2], &u[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[4], &u[3], &u[4], &clamp_lo, &clamp_hi); + + x = _mm_mullo_epi32(u[10], cospi32); + y = _mm_mullo_epi32(u[13], cospi32); + u[10] = _mm_sub_epi32(y, x); + u[10] = _mm_add_epi32(u[10], rnding); + u[10] = _mm_srai_epi32(u[10], bit); + + u[13] = _mm_add_epi32(x, y); + u[13] = _mm_add_epi32(u[13], rnding); + u[13] = _mm_srai_epi32(u[13], bit); + + x = _mm_mullo_epi32(u[11], cospi32); + y = _mm_mullo_epi32(u[12], cospi32); + u[11] = _mm_sub_epi32(y, x); + u[11] = _mm_add_epi32(u[11], rnding); + u[11] = _mm_srai_epi32(u[11], bit); + + u[12] = _mm_add_epi32(x, y); + u[12] = _mm_add_epi32(u[12], rnding); + u[12] = _mm_srai_epi32(u[12], bit); + // stage 7 + if (do_cols) { + addsub_no_clamp_sse4_1(u[0], u[15], out + 0, out + 15); + addsub_no_clamp_sse4_1(u[1], u[14], out + 1, out + 14); + addsub_no_clamp_sse4_1(u[2], u[13], out + 2, out + 13); + addsub_no_clamp_sse4_1(u[3], u[12], out + 3, out + 12); + addsub_no_clamp_sse4_1(u[4], u[11], out + 4, out + 11); + addsub_no_clamp_sse4_1(u[5], u[10], out + 5, out + 10); + addsub_no_clamp_sse4_1(u[6], u[9], out + 6, out + 9); + addsub_no_clamp_sse4_1(u[7], u[8], out + 7, out + 8); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + addsub_shift_sse4_1(u[0], u[15], out + 0, out + 15, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[1], u[14], out + 1, out + 14, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[2], u[13], out + 2, out + 13, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[3], u[12], out + 3, out + 12, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[4], u[11], out + 4, out + 11, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[5], u[10], out + 5, out + 10, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[6], u[9], out + 6, out + 9, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(u[7], u[8], out + 7, out + 8, &clamp_lo_out, + &clamp_hi_out, out_shift); + } + } +} + +static void iadst16x16_low1_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const __m128i zero = _mm_setzero_si128(); + __m128i v[16], x, y, temp1, temp2; + + // Calculate the column 0, 1, 2, 3 + { + // stage 0 + // stage 1 + // stage 2 + x = _mm_mullo_epi32(in[0], cospi62); + v[0] = _mm_add_epi32(x, rnding); + v[0] = _mm_srai_epi32(v[0], bit); + + x = _mm_mullo_epi32(in[0], cospi2); + v[1] = _mm_sub_epi32(zero, x); + v[1] = _mm_add_epi32(v[1], rnding); + v[1] = _mm_srai_epi32(v[1], bit); + + // stage 3 + v[8] = v[0]; + v[9] = v[1]; + + // stage 4 + temp1 = _mm_mullo_epi32(v[8], cospi8); + x = _mm_mullo_epi32(v[9], cospi56); + temp1 = _mm_add_epi32(temp1, x); + temp1 = _mm_add_epi32(temp1, rnding); + temp1 = _mm_srai_epi32(temp1, bit); + + temp2 = _mm_mullo_epi32(v[8], cospi56); + x = _mm_mullo_epi32(v[9], cospi8); + temp2 = _mm_sub_epi32(temp2, x); + temp2 = _mm_add_epi32(temp2, rnding); + temp2 = _mm_srai_epi32(temp2, bit); + v[8] = temp1; + v[9] = temp2; + + // stage 5 + v[4] = v[0]; + v[5] = v[1]; + v[12] = v[8]; + v[13] = v[9]; + + // stage 6 + temp1 = _mm_mullo_epi32(v[4], cospi16); + x = _mm_mullo_epi32(v[5], cospi48); + temp1 = _mm_add_epi32(temp1, x); + temp1 = _mm_add_epi32(temp1, rnding); + temp1 = _mm_srai_epi32(temp1, bit); + + temp2 = _mm_mullo_epi32(v[4], cospi48); + x = _mm_mullo_epi32(v[5], cospi16); + temp2 = _mm_sub_epi32(temp2, x); + temp2 = _mm_add_epi32(temp2, rnding); + temp2 = _mm_srai_epi32(temp2, bit); + v[4] = temp1; + v[5] = temp2; + + temp1 = _mm_mullo_epi32(v[12], cospi16); + x = _mm_mullo_epi32(v[13], cospi48); + temp1 = _mm_add_epi32(temp1, x); + temp1 = _mm_add_epi32(temp1, rnding); + temp1 = _mm_srai_epi32(temp1, bit); + + temp2 = _mm_mullo_epi32(v[12], cospi48); + x = _mm_mullo_epi32(v[13], cospi16); + temp2 = _mm_sub_epi32(temp2, x); + temp2 = _mm_add_epi32(temp2, rnding); + temp2 = _mm_srai_epi32(temp2, bit); + v[12] = temp1; + v[13] = temp2; + + // stage 7 + v[2] = v[0]; + v[3] = v[1]; + v[6] = v[4]; + v[7] = v[5]; + v[10] = v[8]; + v[11] = v[9]; + v[14] = v[12]; + v[15] = v[13]; + + // stage 8 + y = _mm_mullo_epi32(v[2], cospi32); + x = _mm_mullo_epi32(v[3], cospi32); + v[2] = _mm_add_epi32(y, x); + v[2] = _mm_add_epi32(v[2], rnding); + v[2] = _mm_srai_epi32(v[2], bit); + + v[3] = _mm_sub_epi32(y, x); + v[3] = _mm_add_epi32(v[3], rnding); + v[3] = _mm_srai_epi32(v[3], bit); + + y = _mm_mullo_epi32(v[6], cospi32); + x = _mm_mullo_epi32(v[7], cospi32); + v[6] = _mm_add_epi32(y, x); + v[6] = _mm_add_epi32(v[6], rnding); + v[6] = _mm_srai_epi32(v[6], bit); + + v[7] = _mm_sub_epi32(y, x); + v[7] = _mm_add_epi32(v[7], rnding); + v[7] = _mm_srai_epi32(v[7], bit); + + y = _mm_mullo_epi32(v[10], cospi32); + x = _mm_mullo_epi32(v[11], cospi32); + v[10] = _mm_add_epi32(y, x); + v[10] = _mm_add_epi32(v[10], rnding); + v[10] = _mm_srai_epi32(v[10], bit); + + v[11] = _mm_sub_epi32(y, x); + v[11] = _mm_add_epi32(v[11], rnding); + v[11] = _mm_srai_epi32(v[11], bit); + + y = _mm_mullo_epi32(v[14], cospi32); + x = _mm_mullo_epi32(v[15], cospi32); + v[14] = _mm_add_epi32(y, x); + v[14] = _mm_add_epi32(v[14], rnding); + v[14] = _mm_srai_epi32(v[14], bit); + + v[15] = _mm_sub_epi32(y, x); + v[15] = _mm_add_epi32(v[15], rnding); + v[15] = _mm_srai_epi32(v[15], bit); + + // stage 9 + if (do_cols) { + out[0] = v[0]; + out[1] = _mm_sub_epi32(_mm_setzero_si128(), v[8]); + out[2] = v[12]; + out[3] = _mm_sub_epi32(_mm_setzero_si128(), v[4]); + out[4] = v[6]; + out[5] = _mm_sub_epi32(_mm_setzero_si128(), v[14]); + out[6] = v[10]; + out[7] = _mm_sub_epi32(_mm_setzero_si128(), v[2]); + out[8] = v[3]; + out[9] = _mm_sub_epi32(_mm_setzero_si128(), v[11]); + out[10] = v[15]; + out[11] = _mm_sub_epi32(_mm_setzero_si128(), v[7]); + out[12] = v[5]; + out[13] = _mm_sub_epi32(_mm_setzero_si128(), v[13]); + out[14] = v[9]; + out[15] = _mm_sub_epi32(_mm_setzero_si128(), v[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = + _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(v[0], v[8], out + 0, out + 1, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[12], v[4], out + 2, out + 3, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[6], v[14], out + 4, out + 5, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[10], v[2], out + 6, out + 7, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[3], v[11], out + 8, out + 9, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[15], v[7], out + 10, out + 11, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[5], v[13], out + 12, out + 13, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[9], v[1], out + 14, out + 15, &clamp_lo_out, + &clamp_hi_out, out_shift); + } + } +} + +static void iadst16x16_low8_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi18 = _mm_set1_epi32(cospi[18]); + const __m128i cospi46 = _mm_set1_epi32(cospi[46]); + const __m128i cospi26 = _mm_set1_epi32(cospi[26]); + const __m128i cospi38 = _mm_set1_epi32(cospi[38]); + const __m128i cospi34 = _mm_set1_epi32(cospi[34]); + const __m128i cospi30 = _mm_set1_epi32(cospi[30]); + const __m128i cospi42 = _mm_set1_epi32(cospi[42]); + const __m128i cospi22 = _mm_set1_epi32(cospi[22]); + const __m128i cospi50 = _mm_set1_epi32(cospi[50]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi58 = _mm_set1_epi32(cospi[58]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u[16], x, y; + + // Calculate the column 0, 1, 2, 3 + { + // stage 0 + // stage 1 + // stage 2 + __m128i zero = _mm_setzero_si128(); + x = _mm_mullo_epi32(in[0], cospi62); + u[0] = _mm_add_epi32(x, rnding); + u[0] = _mm_srai_epi32(u[0], bit); + + x = _mm_mullo_epi32(in[0], cospi2); + u[1] = _mm_sub_epi32(zero, x); + u[1] = _mm_add_epi32(u[1], rnding); + u[1] = _mm_srai_epi32(u[1], bit); + + x = _mm_mullo_epi32(in[2], cospi54); + u[2] = _mm_add_epi32(x, rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + x = _mm_mullo_epi32(in[2], cospi10); + u[3] = _mm_sub_epi32(zero, x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + + x = _mm_mullo_epi32(in[4], cospi46); + u[4] = _mm_add_epi32(x, rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + x = _mm_mullo_epi32(in[4], cospi18); + u[5] = _mm_sub_epi32(zero, x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + x = _mm_mullo_epi32(in[6], cospi38); + u[6] = _mm_add_epi32(x, rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + x = _mm_mullo_epi32(in[6], cospi26); + u[7] = _mm_sub_epi32(zero, x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + u[8] = _mm_mullo_epi32(in[7], cospi34); + u[8] = _mm_add_epi32(u[8], rnding); + u[8] = _mm_srai_epi32(u[8], bit); + + u[9] = _mm_mullo_epi32(in[7], cospi30); + u[9] = _mm_add_epi32(u[9], rnding); + u[9] = _mm_srai_epi32(u[9], bit); + + u[10] = _mm_mullo_epi32(in[5], cospi42); + u[10] = _mm_add_epi32(u[10], rnding); + u[10] = _mm_srai_epi32(u[10], bit); + + u[11] = _mm_mullo_epi32(in[5], cospi22); + u[11] = _mm_add_epi32(u[11], rnding); + u[11] = _mm_srai_epi32(u[11], bit); + + u[12] = _mm_mullo_epi32(in[3], cospi50); + u[12] = _mm_add_epi32(u[12], rnding); + u[12] = _mm_srai_epi32(u[12], bit); + + u[13] = _mm_mullo_epi32(in[3], cospi14); + u[13] = _mm_add_epi32(u[13], rnding); + u[13] = _mm_srai_epi32(u[13], bit); + + u[14] = _mm_mullo_epi32(in[1], cospi58); + u[14] = _mm_add_epi32(u[14], rnding); + u[14] = _mm_srai_epi32(u[14], bit); + + u[15] = _mm_mullo_epi32(in[1], cospi6); + u[15] = _mm_add_epi32(u[15], rnding); + u[15] = _mm_srai_epi32(u[15], bit); + + // stage 3 + addsub_sse4_1(u[0], u[8], &u[0], &u[8], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[9], &u[1], &u[9], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[10], &u[2], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[11], &u[3], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[4], u[12], &u[4], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[5], u[13], &u[5], &u[13], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[6], u[14], &u[6], &u[14], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[7], u[15], &u[7], &u[15], &clamp_lo, &clamp_hi); + + // stage 4 + y = _mm_mullo_epi32(u[8], cospi56); + x = _mm_mullo_epi32(u[9], cospi56); + u[8] = _mm_mullo_epi32(u[8], cospi8); + u[8] = _mm_add_epi32(u[8], x); + u[8] = _mm_add_epi32(u[8], rnding); + u[8] = _mm_srai_epi32(u[8], bit); + + x = _mm_mullo_epi32(u[9], cospi8); + u[9] = _mm_sub_epi32(y, x); + u[9] = _mm_add_epi32(u[9], rnding); + u[9] = _mm_srai_epi32(u[9], bit); + + x = _mm_mullo_epi32(u[11], cospi24); + y = _mm_mullo_epi32(u[10], cospi24); + u[10] = _mm_mullo_epi32(u[10], cospi40); + u[10] = _mm_add_epi32(u[10], x); + u[10] = _mm_add_epi32(u[10], rnding); + u[10] = _mm_srai_epi32(u[10], bit); + + x = _mm_mullo_epi32(u[11], cospi40); + u[11] = _mm_sub_epi32(y, x); + u[11] = _mm_add_epi32(u[11], rnding); + u[11] = _mm_srai_epi32(u[11], bit); + + x = _mm_mullo_epi32(u[13], cospi8); + y = _mm_mullo_epi32(u[12], cospi8); + u[12] = _mm_mullo_epi32(u[12], cospim56); + u[12] = _mm_add_epi32(u[12], x); + u[12] = _mm_add_epi32(u[12], rnding); + u[12] = _mm_srai_epi32(u[12], bit); + + x = _mm_mullo_epi32(u[13], cospim56); + u[13] = _mm_sub_epi32(y, x); + u[13] = _mm_add_epi32(u[13], rnding); + u[13] = _mm_srai_epi32(u[13], bit); + + x = _mm_mullo_epi32(u[15], cospi40); + y = _mm_mullo_epi32(u[14], cospi40); + u[14] = _mm_mullo_epi32(u[14], cospim24); + u[14] = _mm_add_epi32(u[14], x); + u[14] = _mm_add_epi32(u[14], rnding); + u[14] = _mm_srai_epi32(u[14], bit); + + x = _mm_mullo_epi32(u[15], cospim24); + u[15] = _mm_sub_epi32(y, x); + u[15] = _mm_add_epi32(u[15], rnding); + u[15] = _mm_srai_epi32(u[15], bit); + + // stage 5 + addsub_sse4_1(u[0], u[4], &u[0], &u[4], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[5], &u[1], &u[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[6], &u[2], &u[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[7], &u[3], &u[7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[8], u[12], &u[8], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[9], u[13], &u[9], &u[13], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[10], u[14], &u[10], &u[14], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[11], u[15], &u[11], &u[15], &clamp_lo, &clamp_hi); + + // stage 6 + x = _mm_mullo_epi32(u[5], cospi48); + y = _mm_mullo_epi32(u[4], cospi48); + u[4] = _mm_mullo_epi32(u[4], cospi16); + u[4] = _mm_add_epi32(u[4], x); + u[4] = _mm_add_epi32(u[4], rnding); + u[4] = _mm_srai_epi32(u[4], bit); + + x = _mm_mullo_epi32(u[5], cospi16); + u[5] = _mm_sub_epi32(y, x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + x = _mm_mullo_epi32(u[7], cospi16); + y = _mm_mullo_epi32(u[6], cospi16); + u[6] = _mm_mullo_epi32(u[6], cospim48); + u[6] = _mm_add_epi32(u[6], x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + x = _mm_mullo_epi32(u[7], cospim48); + u[7] = _mm_sub_epi32(y, x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + x = _mm_mullo_epi32(u[13], cospi48); + y = _mm_mullo_epi32(u[12], cospi48); + u[12] = _mm_mullo_epi32(u[12], cospi16); + u[12] = _mm_add_epi32(u[12], x); + u[12] = _mm_add_epi32(u[12], rnding); + u[12] = _mm_srai_epi32(u[12], bit); + + x = _mm_mullo_epi32(u[13], cospi16); + u[13] = _mm_sub_epi32(y, x); + u[13] = _mm_add_epi32(u[13], rnding); + u[13] = _mm_srai_epi32(u[13], bit); + + x = _mm_mullo_epi32(u[15], cospi16); + y = _mm_mullo_epi32(u[14], cospi16); + u[14] = _mm_mullo_epi32(u[14], cospim48); + u[14] = _mm_add_epi32(u[14], x); + u[14] = _mm_add_epi32(u[14], rnding); + u[14] = _mm_srai_epi32(u[14], bit); + + x = _mm_mullo_epi32(u[15], cospim48); + u[15] = _mm_sub_epi32(y, x); + u[15] = _mm_add_epi32(u[15], rnding); + u[15] = _mm_srai_epi32(u[15], bit); + + // stage 7 + addsub_sse4_1(u[0], u[2], &u[0], &u[2], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[3], &u[1], &u[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[4], u[6], &u[4], &u[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[5], u[7], &u[5], &u[7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[8], u[10], &u[8], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[9], u[11], &u[9], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[12], u[14], &u[12], &u[14], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[13], u[15], &u[13], &u[15], &clamp_lo, &clamp_hi); + + // stage 8 + y = _mm_mullo_epi32(u[2], cospi32); + x = _mm_mullo_epi32(u[3], cospi32); + u[2] = _mm_add_epi32(y, x); + u[2] = _mm_add_epi32(u[2], rnding); + u[2] = _mm_srai_epi32(u[2], bit); + + u[3] = _mm_sub_epi32(y, x); + u[3] = _mm_add_epi32(u[3], rnding); + u[3] = _mm_srai_epi32(u[3], bit); + y = _mm_mullo_epi32(u[6], cospi32); + x = _mm_mullo_epi32(u[7], cospi32); + u[6] = _mm_add_epi32(y, x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = _mm_sub_epi32(y, x); + u[7] = _mm_add_epi32(u[7], rnding); + u[7] = _mm_srai_epi32(u[7], bit); + + y = _mm_mullo_epi32(u[10], cospi32); + x = _mm_mullo_epi32(u[11], cospi32); + u[10] = _mm_add_epi32(y, x); + u[10] = _mm_add_epi32(u[10], rnding); + u[10] = _mm_srai_epi32(u[10], bit); + + u[11] = _mm_sub_epi32(y, x); + u[11] = _mm_add_epi32(u[11], rnding); + u[11] = _mm_srai_epi32(u[11], bit); + + y = _mm_mullo_epi32(u[14], cospi32); + x = _mm_mullo_epi32(u[15], cospi32); + u[14] = _mm_add_epi32(y, x); + u[14] = _mm_add_epi32(u[14], rnding); + u[14] = _mm_srai_epi32(u[14], bit); + + u[15] = _mm_sub_epi32(y, x); + u[15] = _mm_add_epi32(u[15], rnding); + u[15] = _mm_srai_epi32(u[15], bit); + + // stage 9 + if (do_cols) { + out[0] = u[0]; + out[1] = _mm_sub_epi32(_mm_setzero_si128(), u[8]); + out[2] = u[12]; + out[3] = _mm_sub_epi32(_mm_setzero_si128(), u[4]); + out[4] = u[6]; + out[5] = _mm_sub_epi32(_mm_setzero_si128(), u[14]); + out[6] = u[10]; + out[7] = _mm_sub_epi32(_mm_setzero_si128(), u[2]); + out[8] = u[3]; + out[9] = _mm_sub_epi32(_mm_setzero_si128(), u[11]); + out[10] = u[15]; + out[11] = _mm_sub_epi32(_mm_setzero_si128(), u[7]); + out[12] = u[5]; + out[13] = _mm_sub_epi32(_mm_setzero_si128(), u[13]); + out[14] = u[9]; + out[15] = _mm_sub_epi32(_mm_setzero_si128(), u[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = + _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(u[0], u[8], out + 0, out + 1, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[12], u[4], out + 2, out + 3, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[6], u[14], out + 4, out + 5, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[10], u[2], out + 6, out + 7, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[3], u[11], out + 8, out + 9, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[15], u[7], out + 10, out + 11, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[5], u[13], out + 12, out + 13, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(u[9], u[1], out + 14, out + 15, &clamp_lo_out, + &clamp_hi_out, out_shift); + } + } +} + +static void idct16x16_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospim4 = _mm_set1_epi32(-cospi[4]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospim20 = _mm_set1_epi32(-cospi[20]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospi52 = _mm_set1_epi32(cospi[52]); + const __m128i cospi36 = _mm_set1_epi32(cospi[36]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u[16], v[16], x, y; + + { + // stage 0 + // stage 1 + u[0] = in[0]; + u[1] = in[8]; + u[2] = in[4]; + u[3] = in[12]; + u[4] = in[2]; + u[5] = in[10]; + u[6] = in[6]; + u[7] = in[14]; + u[8] = in[1]; + u[9] = in[9]; + u[10] = in[5]; + u[11] = in[13]; + u[12] = in[3]; + u[13] = in[11]; + u[14] = in[7]; + u[15] = in[15]; + + // stage 2 + v[0] = u[0]; + v[1] = u[1]; + v[2] = u[2]; + v[3] = u[3]; + v[4] = u[4]; + v[5] = u[5]; + v[6] = u[6]; + v[7] = u[7]; + + v[8] = half_btf_sse4_1(&cospi60, &u[8], &cospim4, &u[15], &rnding, bit); + v[9] = half_btf_sse4_1(&cospi28, &u[9], &cospim36, &u[14], &rnding, bit); + v[10] = half_btf_sse4_1(&cospi44, &u[10], &cospim20, &u[13], &rnding, bit); + v[11] = half_btf_sse4_1(&cospi12, &u[11], &cospim52, &u[12], &rnding, bit); + v[12] = half_btf_sse4_1(&cospi52, &u[11], &cospi12, &u[12], &rnding, bit); + v[13] = half_btf_sse4_1(&cospi20, &u[10], &cospi44, &u[13], &rnding, bit); + v[14] = half_btf_sse4_1(&cospi36, &u[9], &cospi28, &u[14], &rnding, bit); + v[15] = half_btf_sse4_1(&cospi4, &u[8], &cospi60, &u[15], &rnding, bit); + + // stage 3 + u[0] = v[0]; + u[1] = v[1]; + u[2] = v[2]; + u[3] = v[3]; + u[4] = half_btf_sse4_1(&cospi56, &v[4], &cospim8, &v[7], &rnding, bit); + u[5] = half_btf_sse4_1(&cospi24, &v[5], &cospim40, &v[6], &rnding, bit); + u[6] = half_btf_sse4_1(&cospi40, &v[5], &cospi24, &v[6], &rnding, bit); + u[7] = half_btf_sse4_1(&cospi8, &v[4], &cospi56, &v[7], &rnding, bit); + addsub_sse4_1(v[8], v[9], &u[8], &u[9], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[11], v[10], &u[11], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[12], v[13], &u[12], &u[13], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[15], v[14], &u[15], &u[14], &clamp_lo, &clamp_hi); + + // stage 4 + x = _mm_mullo_epi32(u[0], cospi32); + y = _mm_mullo_epi32(u[1], cospi32); + v[0] = _mm_add_epi32(x, y); + v[0] = _mm_add_epi32(v[0], rnding); + v[0] = _mm_srai_epi32(v[0], bit); + + v[1] = _mm_sub_epi32(x, y); + v[1] = _mm_add_epi32(v[1], rnding); + v[1] = _mm_srai_epi32(v[1], bit); + + v[2] = half_btf_sse4_1(&cospi48, &u[2], &cospim16, &u[3], &rnding, bit); + v[3] = half_btf_sse4_1(&cospi16, &u[2], &cospi48, &u[3], &rnding, bit); + addsub_sse4_1(u[4], u[5], &v[4], &v[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[7], u[6], &v[7], &v[6], &clamp_lo, &clamp_hi); + v[8] = u[8]; + v[9] = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit); + v[10] = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit); + v[11] = u[11]; + v[12] = u[12]; + v[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit); + v[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit); + v[15] = u[15]; + + // stage 5 + addsub_sse4_1(v[0], v[3], &u[0], &u[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[1], v[2], &u[1], &u[2], &clamp_lo, &clamp_hi); + u[4] = v[4]; + + x = _mm_mullo_epi32(v[5], cospi32); + y = _mm_mullo_epi32(v[6], cospi32); + u[5] = _mm_sub_epi32(y, x); + u[5] = _mm_add_epi32(u[5], rnding); + u[5] = _mm_srai_epi32(u[5], bit); + + u[6] = _mm_add_epi32(y, x); + u[6] = _mm_add_epi32(u[6], rnding); + u[6] = _mm_srai_epi32(u[6], bit); + + u[7] = v[7]; + addsub_sse4_1(v[8], v[11], &u[8], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[9], v[10], &u[9], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[15], v[12], &u[15], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[14], v[13], &u[14], &u[13], &clamp_lo, &clamp_hi); + + // stage 6 + addsub_sse4_1(u[0], u[7], &v[0], &v[7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[1], u[6], &v[1], &v[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[2], u[5], &v[2], &v[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[3], u[4], &v[3], &v[4], &clamp_lo, &clamp_hi); + v[8] = u[8]; + v[9] = u[9]; + + x = _mm_mullo_epi32(u[10], cospi32); + y = _mm_mullo_epi32(u[13], cospi32); + v[10] = _mm_sub_epi32(y, x); + v[10] = _mm_add_epi32(v[10], rnding); + v[10] = _mm_srai_epi32(v[10], bit); + + v[13] = _mm_add_epi32(x, y); + v[13] = _mm_add_epi32(v[13], rnding); + v[13] = _mm_srai_epi32(v[13], bit); + + x = _mm_mullo_epi32(u[11], cospi32); + y = _mm_mullo_epi32(u[12], cospi32); + v[11] = _mm_sub_epi32(y, x); + v[11] = _mm_add_epi32(v[11], rnding); + v[11] = _mm_srai_epi32(v[11], bit); + + v[12] = _mm_add_epi32(x, y); + v[12] = _mm_add_epi32(v[12], rnding); + v[12] = _mm_srai_epi32(v[12], bit); + + v[14] = u[14]; + v[15] = u[15]; + + // stage 7 + if (do_cols) { + addsub_no_clamp_sse4_1(v[0], v[15], out + 0, out + 15); + addsub_no_clamp_sse4_1(v[1], v[14], out + 1, out + 14); + addsub_no_clamp_sse4_1(v[2], v[13], out + 2, out + 13); + addsub_no_clamp_sse4_1(v[3], v[12], out + 3, out + 12); + addsub_no_clamp_sse4_1(v[4], v[11], out + 4, out + 11); + addsub_no_clamp_sse4_1(v[5], v[10], out + 5, out + 10); + addsub_no_clamp_sse4_1(v[6], v[9], out + 6, out + 9); + addsub_no_clamp_sse4_1(v[7], v[8], out + 7, out + 8); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + addsub_shift_sse4_1(v[0], v[15], out + 0, out + 15, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[1], v[14], out + 1, out + 14, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[2], v[13], out + 2, out + 13, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[3], v[12], out + 3, out + 12, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[4], v[11], out + 4, out + 11, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[5], v[10], out + 5, out + 10, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[6], v[9], out + 6, out + 9, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(v[7], v[8], out + 7, out + 8, &clamp_lo_out, + &clamp_hi_out, out_shift); + } + } +} + +static void iadst16x16_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi18 = _mm_set1_epi32(cospi[18]); + const __m128i cospi46 = _mm_set1_epi32(cospi[46]); + const __m128i cospi26 = _mm_set1_epi32(cospi[26]); + const __m128i cospi38 = _mm_set1_epi32(cospi[38]); + const __m128i cospi34 = _mm_set1_epi32(cospi[34]); + const __m128i cospi30 = _mm_set1_epi32(cospi[30]); + const __m128i cospi42 = _mm_set1_epi32(cospi[42]); + const __m128i cospi22 = _mm_set1_epi32(cospi[22]); + const __m128i cospi50 = _mm_set1_epi32(cospi[50]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi58 = _mm_set1_epi32(cospi[58]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i u[16], v[16], x, y; + + // Calculate the column 0, 1, 2, 3 + { + // stage 0 + // stage 1 + // stage 2 + v[0] = _mm_mullo_epi32(in[15], cospi2); + x = _mm_mullo_epi32(in[0], cospi62); + v[0] = _mm_add_epi32(v[0], x); + v[0] = _mm_add_epi32(v[0], rnding); + v[0] = _mm_srai_epi32(v[0], bit); + + v[1] = _mm_mullo_epi32(in[15], cospi62); + x = _mm_mullo_epi32(in[0], cospi2); + v[1] = _mm_sub_epi32(v[1], x); + v[1] = _mm_add_epi32(v[1], rnding); + v[1] = _mm_srai_epi32(v[1], bit); + + v[2] = _mm_mullo_epi32(in[13], cospi10); + x = _mm_mullo_epi32(in[2], cospi54); + v[2] = _mm_add_epi32(v[2], x); + v[2] = _mm_add_epi32(v[2], rnding); + v[2] = _mm_srai_epi32(v[2], bit); + + v[3] = _mm_mullo_epi32(in[13], cospi54); + x = _mm_mullo_epi32(in[2], cospi10); + v[3] = _mm_sub_epi32(v[3], x); + v[3] = _mm_add_epi32(v[3], rnding); + v[3] = _mm_srai_epi32(v[3], bit); + + v[4] = _mm_mullo_epi32(in[11], cospi18); + x = _mm_mullo_epi32(in[4], cospi46); + v[4] = _mm_add_epi32(v[4], x); + v[4] = _mm_add_epi32(v[4], rnding); + v[4] = _mm_srai_epi32(v[4], bit); + + v[5] = _mm_mullo_epi32(in[11], cospi46); + x = _mm_mullo_epi32(in[4], cospi18); + v[5] = _mm_sub_epi32(v[5], x); + v[5] = _mm_add_epi32(v[5], rnding); + v[5] = _mm_srai_epi32(v[5], bit); + + v[6] = _mm_mullo_epi32(in[9], cospi26); + x = _mm_mullo_epi32(in[6], cospi38); + v[6] = _mm_add_epi32(v[6], x); + v[6] = _mm_add_epi32(v[6], rnding); + v[6] = _mm_srai_epi32(v[6], bit); + + v[7] = _mm_mullo_epi32(in[9], cospi38); + x = _mm_mullo_epi32(in[6], cospi26); + v[7] = _mm_sub_epi32(v[7], x); + v[7] = _mm_add_epi32(v[7], rnding); + v[7] = _mm_srai_epi32(v[7], bit); + + v[8] = _mm_mullo_epi32(in[7], cospi34); + x = _mm_mullo_epi32(in[8], cospi30); + v[8] = _mm_add_epi32(v[8], x); + v[8] = _mm_add_epi32(v[8], rnding); + v[8] = _mm_srai_epi32(v[8], bit); + + v[9] = _mm_mullo_epi32(in[7], cospi30); + x = _mm_mullo_epi32(in[8], cospi34); + v[9] = _mm_sub_epi32(v[9], x); + v[9] = _mm_add_epi32(v[9], rnding); + v[9] = _mm_srai_epi32(v[9], bit); + + v[10] = _mm_mullo_epi32(in[5], cospi42); + x = _mm_mullo_epi32(in[10], cospi22); + v[10] = _mm_add_epi32(v[10], x); + v[10] = _mm_add_epi32(v[10], rnding); + v[10] = _mm_srai_epi32(v[10], bit); + + v[11] = _mm_mullo_epi32(in[5], cospi22); + x = _mm_mullo_epi32(in[10], cospi42); + v[11] = _mm_sub_epi32(v[11], x); + v[11] = _mm_add_epi32(v[11], rnding); + v[11] = _mm_srai_epi32(v[11], bit); + + v[12] = _mm_mullo_epi32(in[3], cospi50); + x = _mm_mullo_epi32(in[12], cospi14); + v[12] = _mm_add_epi32(v[12], x); + v[12] = _mm_add_epi32(v[12], rnding); + v[12] = _mm_srai_epi32(v[12], bit); + + v[13] = _mm_mullo_epi32(in[3], cospi14); + x = _mm_mullo_epi32(in[12], cospi50); + v[13] = _mm_sub_epi32(v[13], x); + v[13] = _mm_add_epi32(v[13], rnding); + v[13] = _mm_srai_epi32(v[13], bit); + + v[14] = _mm_mullo_epi32(in[1], cospi58); + x = _mm_mullo_epi32(in[14], cospi6); + v[14] = _mm_add_epi32(v[14], x); + v[14] = _mm_add_epi32(v[14], rnding); + v[14] = _mm_srai_epi32(v[14], bit); + + v[15] = _mm_mullo_epi32(in[1], cospi6); + x = _mm_mullo_epi32(in[14], cospi58); + v[15] = _mm_sub_epi32(v[15], x); + v[15] = _mm_add_epi32(v[15], rnding); + v[15] = _mm_srai_epi32(v[15], bit); + + // stage 3 + addsub_sse4_1(v[0], v[8], &u[0], &u[8], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[1], v[9], &u[1], &u[9], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[2], v[10], &u[2], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[3], v[11], &u[3], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[4], v[12], &u[4], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[5], v[13], &u[5], &u[13], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[6], v[14], &u[6], &u[14], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[7], v[15], &u[7], &u[15], &clamp_lo, &clamp_hi); + + // stage 4 + v[0] = u[0]; + v[1] = u[1]; + v[2] = u[2]; + v[3] = u[3]; + v[4] = u[4]; + v[5] = u[5]; + v[6] = u[6]; + v[7] = u[7]; + + v[8] = _mm_mullo_epi32(u[8], cospi8); + x = _mm_mullo_epi32(u[9], cospi56); + v[8] = _mm_add_epi32(v[8], x); + v[8] = _mm_add_epi32(v[8], rnding); + v[8] = _mm_srai_epi32(v[8], bit); + + v[9] = _mm_mullo_epi32(u[8], cospi56); + x = _mm_mullo_epi32(u[9], cospi8); + v[9] = _mm_sub_epi32(v[9], x); + v[9] = _mm_add_epi32(v[9], rnding); + v[9] = _mm_srai_epi32(v[9], bit); + + v[10] = _mm_mullo_epi32(u[10], cospi40); + x = _mm_mullo_epi32(u[11], cospi24); + v[10] = _mm_add_epi32(v[10], x); + v[10] = _mm_add_epi32(v[10], rnding); + v[10] = _mm_srai_epi32(v[10], bit); + + v[11] = _mm_mullo_epi32(u[10], cospi24); + x = _mm_mullo_epi32(u[11], cospi40); + v[11] = _mm_sub_epi32(v[11], x); + v[11] = _mm_add_epi32(v[11], rnding); + v[11] = _mm_srai_epi32(v[11], bit); + + v[12] = _mm_mullo_epi32(u[12], cospim56); + x = _mm_mullo_epi32(u[13], cospi8); + v[12] = _mm_add_epi32(v[12], x); + v[12] = _mm_add_epi32(v[12], rnding); + v[12] = _mm_srai_epi32(v[12], bit); + + v[13] = _mm_mullo_epi32(u[12], cospi8); + x = _mm_mullo_epi32(u[13], cospim56); + v[13] = _mm_sub_epi32(v[13], x); + v[13] = _mm_add_epi32(v[13], rnding); + v[13] = _mm_srai_epi32(v[13], bit); + + v[14] = _mm_mullo_epi32(u[14], cospim24); + x = _mm_mullo_epi32(u[15], cospi40); + v[14] = _mm_add_epi32(v[14], x); + v[14] = _mm_add_epi32(v[14], rnding); + v[14] = _mm_srai_epi32(v[14], bit); + + v[15] = _mm_mullo_epi32(u[14], cospi40); + x = _mm_mullo_epi32(u[15], cospim24); + v[15] = _mm_sub_epi32(v[15], x); + v[15] = _mm_add_epi32(v[15], rnding); + v[15] = _mm_srai_epi32(v[15], bit); + + // stage 5 + addsub_sse4_1(v[0], v[4], &u[0], &u[4], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[1], v[5], &u[1], &u[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[2], v[6], &u[2], &u[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[3], v[7], &u[3], &u[7], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[8], v[12], &u[8], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[9], v[13], &u[9], &u[13], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[10], v[14], &u[10], &u[14], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[11], v[15], &u[11], &u[15], &clamp_lo, &clamp_hi); + + // stage 6 + v[0] = u[0]; + v[1] = u[1]; + v[2] = u[2]; + v[3] = u[3]; + + v[4] = _mm_mullo_epi32(u[4], cospi16); + x = _mm_mullo_epi32(u[5], cospi48); + v[4] = _mm_add_epi32(v[4], x); + v[4] = _mm_add_epi32(v[4], rnding); + v[4] = _mm_srai_epi32(v[4], bit); + + v[5] = _mm_mullo_epi32(u[4], cospi48); + x = _mm_mullo_epi32(u[5], cospi16); + v[5] = _mm_sub_epi32(v[5], x); + v[5] = _mm_add_epi32(v[5], rnding); + v[5] = _mm_srai_epi32(v[5], bit); + + v[6] = _mm_mullo_epi32(u[6], cospim48); + x = _mm_mullo_epi32(u[7], cospi16); + v[6] = _mm_add_epi32(v[6], x); + v[6] = _mm_add_epi32(v[6], rnding); + v[6] = _mm_srai_epi32(v[6], bit); + + v[7] = _mm_mullo_epi32(u[6], cospi16); + x = _mm_mullo_epi32(u[7], cospim48); + v[7] = _mm_sub_epi32(v[7], x); + v[7] = _mm_add_epi32(v[7], rnding); + v[7] = _mm_srai_epi32(v[7], bit); + + v[8] = u[8]; + v[9] = u[9]; + v[10] = u[10]; + v[11] = u[11]; + + v[12] = _mm_mullo_epi32(u[12], cospi16); + x = _mm_mullo_epi32(u[13], cospi48); + v[12] = _mm_add_epi32(v[12], x); + v[12] = _mm_add_epi32(v[12], rnding); + v[12] = _mm_srai_epi32(v[12], bit); + + v[13] = _mm_mullo_epi32(u[12], cospi48); + x = _mm_mullo_epi32(u[13], cospi16); + v[13] = _mm_sub_epi32(v[13], x); + v[13] = _mm_add_epi32(v[13], rnding); + v[13] = _mm_srai_epi32(v[13], bit); + + v[14] = _mm_mullo_epi32(u[14], cospim48); + x = _mm_mullo_epi32(u[15], cospi16); + v[14] = _mm_add_epi32(v[14], x); + v[14] = _mm_add_epi32(v[14], rnding); + v[14] = _mm_srai_epi32(v[14], bit); + + v[15] = _mm_mullo_epi32(u[14], cospi16); + x = _mm_mullo_epi32(u[15], cospim48); + v[15] = _mm_sub_epi32(v[15], x); + v[15] = _mm_add_epi32(v[15], rnding); + v[15] = _mm_srai_epi32(v[15], bit); + + // stage 7 + addsub_sse4_1(v[0], v[2], &u[0], &u[2], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[1], v[3], &u[1], &u[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[4], v[6], &u[4], &u[6], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[5], v[7], &u[5], &u[7], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[8], v[10], &u[8], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[9], v[11], &u[9], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[12], v[14], &u[12], &u[14], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[13], v[15], &u[13], &u[15], &clamp_lo, &clamp_hi); + + // stage 8 + v[0] = u[0]; + v[1] = u[1]; + + y = _mm_mullo_epi32(u[2], cospi32); + x = _mm_mullo_epi32(u[3], cospi32); + v[2] = _mm_add_epi32(y, x); + v[2] = _mm_add_epi32(v[2], rnding); + v[2] = _mm_srai_epi32(v[2], bit); + + v[3] = _mm_sub_epi32(y, x); + v[3] = _mm_add_epi32(v[3], rnding); + v[3] = _mm_srai_epi32(v[3], bit); + + v[4] = u[4]; + v[5] = u[5]; + + y = _mm_mullo_epi32(u[6], cospi32); + x = _mm_mullo_epi32(u[7], cospi32); + v[6] = _mm_add_epi32(y, x); + v[6] = _mm_add_epi32(v[6], rnding); + v[6] = _mm_srai_epi32(v[6], bit); + + v[7] = _mm_sub_epi32(y, x); + v[7] = _mm_add_epi32(v[7], rnding); + v[7] = _mm_srai_epi32(v[7], bit); + + v[8] = u[8]; + v[9] = u[9]; + + y = _mm_mullo_epi32(u[10], cospi32); + x = _mm_mullo_epi32(u[11], cospi32); + v[10] = _mm_add_epi32(y, x); + v[10] = _mm_add_epi32(v[10], rnding); + v[10] = _mm_srai_epi32(v[10], bit); + + v[11] = _mm_sub_epi32(y, x); + v[11] = _mm_add_epi32(v[11], rnding); + v[11] = _mm_srai_epi32(v[11], bit); + + v[12] = u[12]; + v[13] = u[13]; + + y = _mm_mullo_epi32(u[14], cospi32); + x = _mm_mullo_epi32(u[15], cospi32); + v[14] = _mm_add_epi32(y, x); + v[14] = _mm_add_epi32(v[14], rnding); + v[14] = _mm_srai_epi32(v[14], bit); + + v[15] = _mm_sub_epi32(y, x); + v[15] = _mm_add_epi32(v[15], rnding); + v[15] = _mm_srai_epi32(v[15], bit); + + // stage 9 + if (do_cols) { + out[0] = v[0]; + out[1] = _mm_sub_epi32(_mm_setzero_si128(), v[8]); + out[2] = v[12]; + out[3] = _mm_sub_epi32(_mm_setzero_si128(), v[4]); + out[4] = v[6]; + out[5] = _mm_sub_epi32(_mm_setzero_si128(), v[14]); + out[6] = v[10]; + out[7] = _mm_sub_epi32(_mm_setzero_si128(), v[2]); + out[8] = v[3]; + out[9] = _mm_sub_epi32(_mm_setzero_si128(), v[11]); + out[10] = v[15]; + out[11] = _mm_sub_epi32(_mm_setzero_si128(), v[7]); + out[12] = v[5]; + out[13] = _mm_sub_epi32(_mm_setzero_si128(), v[13]); + out[14] = v[9]; + out[15] = _mm_sub_epi32(_mm_setzero_si128(), v[1]); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1))); + const __m128i clamp_hi_out = + _mm_set1_epi32((1 << (log_range_out - 1)) - 1); + + neg_shift_sse4_1(v[0], v[8], out + 0, out + 1, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[12], v[4], out + 2, out + 3, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[6], v[14], out + 4, out + 5, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[10], v[2], out + 6, out + 7, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[3], v[11], out + 8, out + 9, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[15], v[7], out + 10, out + 11, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[5], v[13], out + 12, out + 13, &clamp_lo_out, + &clamp_hi_out, out_shift); + neg_shift_sse4_1(v[9], v[1], out + 14, out + 15, &clamp_lo_out, + &clamp_hi_out, out_shift); + } + } +} + +static INLINE void idct64_stage8_sse4_1( + __m128i *u, const __m128i *cospim32, const __m128i *cospi32, + const __m128i *cospim16, const __m128i *cospi48, const __m128i *cospi16, + const __m128i *cospim48, const __m128i *clamp_lo, const __m128i *clamp_hi, + const __m128i *rnding, int bit) { + int i; + __m128i temp1, temp2, temp3, temp4; + temp1 = half_btf_sse4_1(cospim32, &u[10], cospi32, &u[13], rnding, bit); + u[13] = half_btf_sse4_1(cospi32, &u[10], cospi32, &u[13], rnding, bit); + u[10] = temp1; + temp2 = half_btf_sse4_1(cospim32, &u[11], cospi32, &u[12], rnding, bit); + u[12] = half_btf_sse4_1(cospi32, &u[11], cospi32, &u[12], rnding, bit); + u[11] = temp2; + + for (i = 16; i < 20; ++i) { + addsub_sse4_1(u[i], u[i ^ 7], &u[i], &u[i ^ 7], clamp_lo, clamp_hi); + addsub_sse4_1(u[i ^ 15], u[i ^ 8], &u[i ^ 15], &u[i ^ 8], clamp_lo, + clamp_hi); + } + + temp1 = half_btf_sse4_1(cospim16, &u[36], cospi48, &u[59], rnding, bit); + temp2 = half_btf_sse4_1(cospim16, &u[37], cospi48, &u[58], rnding, bit); + temp3 = half_btf_sse4_1(cospim16, &u[38], cospi48, &u[57], rnding, bit); + temp4 = half_btf_sse4_1(cospim16, &u[39], cospi48, &u[56], rnding, bit); + u[56] = half_btf_sse4_1(cospi48, &u[39], cospi16, &u[56], rnding, bit); + u[57] = half_btf_sse4_1(cospi48, &u[38], cospi16, &u[57], rnding, bit); + u[58] = half_btf_sse4_1(cospi48, &u[37], cospi16, &u[58], rnding, bit); + u[59] = half_btf_sse4_1(cospi48, &u[36], cospi16, &u[59], rnding, bit); + u[36] = temp1; + u[37] = temp2; + u[38] = temp3; + u[39] = temp4; + + temp1 = half_btf_sse4_1(cospim48, &u[40], cospim16, &u[55], rnding, bit); + temp2 = half_btf_sse4_1(cospim48, &u[41], cospim16, &u[54], rnding, bit); + temp3 = half_btf_sse4_1(cospim48, &u[42], cospim16, &u[53], rnding, bit); + temp4 = half_btf_sse4_1(cospim48, &u[43], cospim16, &u[52], rnding, bit); + u[52] = half_btf_sse4_1(cospim16, &u[43], cospi48, &u[52], rnding, bit); + u[53] = half_btf_sse4_1(cospim16, &u[42], cospi48, &u[53], rnding, bit); + u[54] = half_btf_sse4_1(cospim16, &u[41], cospi48, &u[54], rnding, bit); + u[55] = half_btf_sse4_1(cospim16, &u[40], cospi48, &u[55], rnding, bit); + u[40] = temp1; + u[41] = temp2; + u[42] = temp3; + u[43] = temp4; +} + +static INLINE void idct64_stage9_sse4_1(__m128i *u, const __m128i *cospim32, + const __m128i *cospi32, + const __m128i *clamp_lo, + const __m128i *clamp_hi, + const __m128i *rnding, int bit) { + int i; + __m128i temp1, temp2, temp3, temp4; + for (i = 0; i < 8; ++i) { + addsub_sse4_1(u[i], u[15 - i], &u[i], &u[15 - i], clamp_lo, clamp_hi); + } + + temp1 = half_btf_sse4_1(cospim32, &u[20], cospi32, &u[27], rnding, bit); + temp2 = half_btf_sse4_1(cospim32, &u[21], cospi32, &u[26], rnding, bit); + temp3 = half_btf_sse4_1(cospim32, &u[22], cospi32, &u[25], rnding, bit); + temp4 = half_btf_sse4_1(cospim32, &u[23], cospi32, &u[24], rnding, bit); + u[24] = half_btf_sse4_1(cospi32, &u[23], cospi32, &u[24], rnding, bit); + u[25] = half_btf_sse4_1(cospi32, &u[22], cospi32, &u[25], rnding, bit); + u[26] = half_btf_sse4_1(cospi32, &u[21], cospi32, &u[26], rnding, bit); + u[27] = half_btf_sse4_1(cospi32, &u[20], cospi32, &u[27], rnding, bit); + u[20] = temp1; + u[21] = temp2; + u[22] = temp3; + u[23] = temp4; + for (i = 32; i < 40; i++) { + addsub_sse4_1(u[i], u[i ^ 15], &u[i], &u[i ^ 15], clamp_lo, clamp_hi); + } + + for (i = 48; i < 56; i++) { + addsub_sse4_1(u[i ^ 15], u[i], &u[i ^ 15], &u[i], clamp_lo, clamp_hi); + } +} + +static INLINE void idct64_stage10_sse4_1(__m128i *u, const __m128i *cospim32, + const __m128i *cospi32, + const __m128i *clamp_lo, + const __m128i *clamp_hi, + const __m128i *rnding, int bit) { + __m128i temp1, temp2, temp3, temp4; + for (int i = 0; i < 16; i++) { + addsub_sse4_1(u[i], u[31 - i], &u[i], &u[31 - i], clamp_lo, clamp_hi); + } + + temp1 = half_btf_sse4_1(cospim32, &u[40], cospi32, &u[55], rnding, bit); + temp2 = half_btf_sse4_1(cospim32, &u[41], cospi32, &u[54], rnding, bit); + temp3 = half_btf_sse4_1(cospim32, &u[42], cospi32, &u[53], rnding, bit); + temp4 = half_btf_sse4_1(cospim32, &u[43], cospi32, &u[52], rnding, bit); + u[52] = half_btf_sse4_1(cospi32, &u[43], cospi32, &u[52], rnding, bit); + u[53] = half_btf_sse4_1(cospi32, &u[42], cospi32, &u[53], rnding, bit); + u[54] = half_btf_sse4_1(cospi32, &u[41], cospi32, &u[54], rnding, bit); + u[55] = half_btf_sse4_1(cospi32, &u[40], cospi32, &u[55], rnding, bit); + u[40] = temp1; + u[41] = temp2; + u[42] = temp3; + u[43] = temp4; + + temp1 = half_btf_sse4_1(cospim32, &u[44], cospi32, &u[51], rnding, bit); + temp2 = half_btf_sse4_1(cospim32, &u[45], cospi32, &u[50], rnding, bit); + temp3 = half_btf_sse4_1(cospim32, &u[46], cospi32, &u[49], rnding, bit); + temp4 = half_btf_sse4_1(cospim32, &u[47], cospi32, &u[48], rnding, bit); + u[48] = half_btf_sse4_1(cospi32, &u[47], cospi32, &u[48], rnding, bit); + u[49] = half_btf_sse4_1(cospi32, &u[46], cospi32, &u[49], rnding, bit); + u[50] = half_btf_sse4_1(cospi32, &u[45], cospi32, &u[50], rnding, bit); + u[51] = half_btf_sse4_1(cospi32, &u[44], cospi32, &u[51], rnding, bit); + u[44] = temp1; + u[45] = temp2; + u[46] = temp3; + u[47] = temp4; +} + +static INLINE void idct64_stage11_sse4_1(__m128i *u, __m128i *out, int do_cols, + int bd, int out_shift, + const int log_range) { + if (do_cols) { + for (int i = 0; i < 32; i++) { + addsub_no_clamp_sse4_1(u[i], u[63 - i], &out[(i)], &out[(63 - i)]); + } + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + for (int i = 0; i < 32; i++) { + addsub_shift_sse4_1(u[i], u[63 - i], &out[(i)], &out[(63 - i)], + &clamp_lo_out, &clamp_hi_out, out_shift); + } + } +} + +static void idct64x64_low1_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + + { + __m128i x; + + // stage 1 + // stage 2 + // stage 3 + // stage 4 + // stage 5 + // stage 6 + x = half_btf_0_sse4_1(&cospi32, &in[0], &rnding, bit); + + // stage 8 + // stage 9 + // stage 10 + // stage 11 + if (do_cols) { + x = _mm_max_epi32(x, clamp_lo); + x = _mm_min_epi32(x, clamp_hi); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + __m128i offset = _mm_set1_epi32((1 << out_shift) >> 1); + x = _mm_add_epi32(x, offset); + x = _mm_sra_epi32(x, _mm_cvtsi32_si128(out_shift)); + + x = _mm_max_epi32(x, clamp_lo_out); + x = _mm_min_epi32(x, clamp_hi_out); + } + + out[0] = x; + out[63] = x; + out[1] = x; + out[62] = x; + out[2] = x; + out[61] = x; + out[3] = x; + out[60] = x; + out[4] = x; + out[59] = x; + out[5] = x; + out[58] = x; + out[6] = x; + out[57] = x; + out[7] = x; + out[56] = x; + out[8] = x; + out[55] = x; + out[9] = x; + out[54] = x; + out[10] = x; + out[53] = x; + out[11] = x; + out[52] = x; + out[12] = x; + out[51] = x; + out[13] = x; + out[50] = x; + out[14] = x; + out[49] = x; + out[15] = x; + out[48] = x; + out[16] = x; + out[47] = x; + out[17] = x; + out[46] = x; + out[18] = x; + out[45] = x; + out[19] = x; + out[44] = x; + out[20] = x; + out[43] = x; + out[21] = x; + out[42] = x; + out[22] = x; + out[41] = x; + out[23] = x; + out[40] = x; + out[24] = x; + out[39] = x; + out[25] = x; + out[38] = x; + out[26] = x; + out[37] = x; + out[27] = x; + out[36] = x; + out[28] = x; + out[35] = x; + out[29] = x; + out[34] = x; + out[30] = x; + out[33] = x; + out[31] = x; + out[32] = x; + } +} + +static void idct64x64_low8_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + int i, j; + const int32_t *cospi = cospi_arr(bit); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + + const __m128i cospi1 = _mm_set1_epi32(cospi[1]); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospi3 = _mm_set1_epi32(cospi[3]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospim4 = _mm_set1_epi32(-cospi[4]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospim12 = _mm_set1_epi32(-cospi[12]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospim20 = _mm_set1_epi32(-cospi[20]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospim28 = _mm_set1_epi32(-cospi[28]); + const __m128i cospim32 = _mm_set1_epi32(-cospi[32]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospi63 = _mm_set1_epi32(cospi[63]); + const __m128i cospim57 = _mm_set1_epi32(-cospi[57]); + const __m128i cospi7 = _mm_set1_epi32(cospi[7]); + const __m128i cospi5 = _mm_set1_epi32(cospi[5]); + const __m128i cospi59 = _mm_set1_epi32(cospi[59]); + const __m128i cospim61 = _mm_set1_epi32(-cospi[61]); + const __m128i cospim58 = _mm_set1_epi32(-cospi[58]); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + + { + __m128i u[64]; + + // stage 1 + u[0] = in[0]; + u[8] = in[4]; + u[16] = in[2]; + u[24] = in[6]; + u[32] = in[1]; + u[40] = in[5]; + u[48] = in[3]; + u[56] = in[7]; + + // stage 2 + u[63] = half_btf_0_sse4_1(&cospi1, &u[32], &rnding, bit); + u[32] = half_btf_0_sse4_1(&cospi63, &u[32], &rnding, bit); + u[39] = half_btf_0_sse4_1(&cospim57, &u[56], &rnding, bit); + u[56] = half_btf_0_sse4_1(&cospi7, &u[56], &rnding, bit); + u[55] = half_btf_0_sse4_1(&cospi5, &u[40], &rnding, bit); + u[40] = half_btf_0_sse4_1(&cospi59, &u[40], &rnding, bit); + u[47] = half_btf_0_sse4_1(&cospim61, &u[48], &rnding, bit); + u[48] = half_btf_0_sse4_1(&cospi3, &u[48], &rnding, bit); + + // stage 3 + u[31] = half_btf_0_sse4_1(&cospi2, &u[16], &rnding, bit); + u[16] = half_btf_0_sse4_1(&cospi62, &u[16], &rnding, bit); + u[23] = half_btf_0_sse4_1(&cospim58, &u[24], &rnding, bit); + u[24] = half_btf_0_sse4_1(&cospi6, &u[24], &rnding, bit); + u[33] = u[32]; + u[38] = u[39]; + u[41] = u[40]; + u[46] = u[47]; + u[49] = u[48]; + u[54] = u[55]; + u[57] = u[56]; + u[62] = u[63]; + + // stage 4 + __m128i temp1, temp2; + u[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit); + u[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit); + u[17] = u[16]; + u[22] = u[23]; + u[25] = u[24]; + u[30] = u[31]; + + temp1 = half_btf_sse4_1(&cospim4, &u[33], &cospi60, &u[62], &rnding, bit); + u[62] = half_btf_sse4_1(&cospi60, &u[33], &cospi4, &u[62], &rnding, bit); + u[33] = temp1; + + temp2 = half_btf_sse4_1(&cospim36, &u[38], &cospi28, &u[57], &rnding, bit); + u[38] = half_btf_sse4_1(&cospim28, &u[38], &cospim36, &u[57], &rnding, bit); + u[57] = temp2; + + temp1 = half_btf_sse4_1(&cospim20, &u[41], &cospi44, &u[54], &rnding, bit); + u[54] = half_btf_sse4_1(&cospi44, &u[41], &cospi20, &u[54], &rnding, bit); + u[41] = temp1; + + temp2 = half_btf_sse4_1(&cospim12, &u[46], &cospim52, &u[49], &rnding, bit); + u[49] = half_btf_sse4_1(&cospim52, &u[46], &cospi12, &u[49], &rnding, bit); + u[46] = temp2; + + // stage 5 + u[9] = u[8]; + u[14] = u[15]; + + temp1 = half_btf_sse4_1(&cospim8, &u[17], &cospi56, &u[30], &rnding, bit); + u[30] = half_btf_sse4_1(&cospi56, &u[17], &cospi8, &u[30], &rnding, bit); + u[17] = temp1; + + temp2 = half_btf_sse4_1(&cospim24, &u[22], &cospim40, &u[25], &rnding, bit); + u[25] = half_btf_sse4_1(&cospim40, &u[22], &cospi24, &u[25], &rnding, bit); + u[22] = temp2; + + u[35] = u[32]; + u[34] = u[33]; + u[36] = u[39]; + u[37] = u[38]; + u[43] = u[40]; + u[42] = u[41]; + u[44] = u[47]; + u[45] = u[46]; + u[51] = u[48]; + u[50] = u[49]; + u[52] = u[55]; + u[53] = u[54]; + u[59] = u[56]; + u[58] = u[57]; + u[60] = u[63]; + u[61] = u[62]; + + // stage 6 + temp1 = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit); + u[1] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit); + u[0] = temp1; + + temp2 = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit); + u[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit); + u[9] = temp2; + u[19] = u[16]; + u[18] = u[17]; + u[20] = u[23]; + u[21] = u[22]; + u[27] = u[24]; + u[26] = u[25]; + u[28] = u[31]; + u[29] = u[30]; + + temp1 = half_btf_sse4_1(&cospim8, &u[34], &cospi56, &u[61], &rnding, bit); + u[61] = half_btf_sse4_1(&cospi56, &u[34], &cospi8, &u[61], &rnding, bit); + u[34] = temp1; + temp2 = half_btf_sse4_1(&cospim8, &u[35], &cospi56, &u[60], &rnding, bit); + u[60] = half_btf_sse4_1(&cospi56, &u[35], &cospi8, &u[60], &rnding, bit); + u[35] = temp2; + temp1 = half_btf_sse4_1(&cospim56, &u[36], &cospim8, &u[59], &rnding, bit); + u[59] = half_btf_sse4_1(&cospim8, &u[36], &cospi56, &u[59], &rnding, bit); + u[36] = temp1; + temp2 = half_btf_sse4_1(&cospim56, &u[37], &cospim8, &u[58], &rnding, bit); + u[58] = half_btf_sse4_1(&cospim8, &u[37], &cospi56, &u[58], &rnding, bit); + u[37] = temp2; + temp1 = half_btf_sse4_1(&cospim40, &u[42], &cospi24, &u[53], &rnding, bit); + u[53] = half_btf_sse4_1(&cospi24, &u[42], &cospi40, &u[53], &rnding, bit); + u[42] = temp1; + temp2 = half_btf_sse4_1(&cospim40, &u[43], &cospi24, &u[52], &rnding, bit); + u[52] = half_btf_sse4_1(&cospi24, &u[43], &cospi40, &u[52], &rnding, bit); + u[43] = temp2; + temp1 = half_btf_sse4_1(&cospim24, &u[44], &cospim40, &u[51], &rnding, bit); + u[51] = half_btf_sse4_1(&cospim40, &u[44], &cospi24, &u[51], &rnding, bit); + u[44] = temp1; + temp2 = half_btf_sse4_1(&cospim24, &u[45], &cospim40, &u[50], &rnding, bit); + u[50] = half_btf_sse4_1(&cospim40, &u[45], &cospi24, &u[50], &rnding, bit); + u[45] = temp2; + + // stage 7 + u[3] = u[0]; + u[2] = u[1]; + u[11] = u[8]; + u[10] = u[9]; + u[12] = u[15]; + u[13] = u[14]; + + temp1 = half_btf_sse4_1(&cospim16, &u[18], &cospi48, &u[29], &rnding, bit); + u[29] = half_btf_sse4_1(&cospi48, &u[18], &cospi16, &u[29], &rnding, bit); + u[18] = temp1; + temp2 = half_btf_sse4_1(&cospim16, &u[19], &cospi48, &u[28], &rnding, bit); + u[28] = half_btf_sse4_1(&cospi48, &u[19], &cospi16, &u[28], &rnding, bit); + u[19] = temp2; + temp1 = half_btf_sse4_1(&cospim48, &u[20], &cospim16, &u[27], &rnding, bit); + u[27] = half_btf_sse4_1(&cospim16, &u[20], &cospi48, &u[27], &rnding, bit); + u[20] = temp1; + temp2 = half_btf_sse4_1(&cospim48, &u[21], &cospim16, &u[26], &rnding, bit); + u[26] = half_btf_sse4_1(&cospim16, &u[21], &cospi48, &u[26], &rnding, bit); + u[21] = temp2; + for (i = 32; i < 64; i += 16) { + for (j = i; j < i + 4; j++) { + addsub_sse4_1(u[j], u[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[j ^ 15], u[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo, + &clamp_hi); + } + } + + // stage 8 + u[7] = u[0]; + u[6] = u[1]; + u[5] = u[2]; + u[4] = u[3]; + u[9] = u[9]; + + idct64_stage8_sse4_1(u, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16, + &cospim48, &clamp_lo, &clamp_hi, &rnding, bit); + + // stage 9 + idct64_stage9_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding, + bit); + + // stage 10 + idct64_stage10_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding, + bit); + + // stage 11 + idct64_stage11_sse4_1(u, out, do_cols, bd, out_shift, log_range); + } +} + +static void idct64x64_low16_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + int i, j; + const int32_t *cospi = cospi_arr(bit); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + + const __m128i cospi1 = _mm_set1_epi32(cospi[1]); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospi3 = _mm_set1_epi32(cospi[3]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi5 = _mm_set1_epi32(cospi[5]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi7 = _mm_set1_epi32(cospi[7]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi9 = _mm_set1_epi32(cospi[9]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi11 = _mm_set1_epi32(cospi[11]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi13 = _mm_set1_epi32(cospi[13]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi15 = _mm_set1_epi32(cospi[15]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi36 = _mm_set1_epi32(cospi[36]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi51 = _mm_set1_epi32(cospi[51]); + const __m128i cospi52 = _mm_set1_epi32(cospi[52]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi55 = _mm_set1_epi32(cospi[55]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi59 = _mm_set1_epi32(cospi[59]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi63 = _mm_set1_epi32(cospi[63]); + + const __m128i cospim4 = _mm_set1_epi32(-cospi[4]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospim12 = _mm_set1_epi32(-cospi[12]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospim20 = _mm_set1_epi32(-cospi[20]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospim28 = _mm_set1_epi32(-cospi[28]); + const __m128i cospim32 = _mm_set1_epi32(-cospi[32]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospim44 = _mm_set1_epi32(-cospi[44]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospim49 = _mm_set1_epi32(-cospi[49]); + const __m128i cospim50 = _mm_set1_epi32(-cospi[50]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospim53 = _mm_set1_epi32(-cospi[53]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim57 = _mm_set1_epi32(-cospi[57]); + const __m128i cospim58 = _mm_set1_epi32(-cospi[58]); + const __m128i cospim60 = _mm_set1_epi32(-cospi[60]); + const __m128i cospim61 = _mm_set1_epi32(-cospi[61]); + + { + __m128i u[64]; + __m128i tmp1, tmp2, tmp3, tmp4; + // stage 1 + u[0] = in[0]; + u[32] = in[1]; + u[36] = in[9]; + u[40] = in[5]; + u[44] = in[13]; + u[48] = in[3]; + u[52] = in[11]; + u[56] = in[7]; + u[60] = in[15]; + u[16] = in[2]; + u[20] = in[10]; + u[24] = in[6]; + u[28] = in[14]; + u[4] = in[8]; + u[8] = in[4]; + u[12] = in[12]; + + // stage 2 + u[63] = half_btf_0_sse4_1(&cospi1, &u[32], &rnding, bit); + u[32] = half_btf_0_sse4_1(&cospi63, &u[32], &rnding, bit); + u[35] = half_btf_0_sse4_1(&cospim49, &u[60], &rnding, bit); + u[60] = half_btf_0_sse4_1(&cospi15, &u[60], &rnding, bit); + u[59] = half_btf_0_sse4_1(&cospi9, &u[36], &rnding, bit); + u[36] = half_btf_0_sse4_1(&cospi55, &u[36], &rnding, bit); + u[39] = half_btf_0_sse4_1(&cospim57, &u[56], &rnding, bit); + u[56] = half_btf_0_sse4_1(&cospi7, &u[56], &rnding, bit); + u[55] = half_btf_0_sse4_1(&cospi5, &u[40], &rnding, bit); + u[40] = half_btf_0_sse4_1(&cospi59, &u[40], &rnding, bit); + u[43] = half_btf_0_sse4_1(&cospim53, &u[52], &rnding, bit); + u[52] = half_btf_0_sse4_1(&cospi11, &u[52], &rnding, bit); + u[47] = half_btf_0_sse4_1(&cospim61, &u[48], &rnding, bit); + u[48] = half_btf_0_sse4_1(&cospi3, &u[48], &rnding, bit); + u[51] = half_btf_0_sse4_1(&cospi13, &u[44], &rnding, bit); + u[44] = half_btf_0_sse4_1(&cospi51, &u[44], &rnding, bit); + + // stage 3 + u[31] = half_btf_0_sse4_1(&cospi2, &u[16], &rnding, bit); + u[16] = half_btf_0_sse4_1(&cospi62, &u[16], &rnding, bit); + u[19] = half_btf_0_sse4_1(&cospim50, &u[28], &rnding, bit); + u[28] = half_btf_0_sse4_1(&cospi14, &u[28], &rnding, bit); + u[27] = half_btf_0_sse4_1(&cospi10, &u[20], &rnding, bit); + u[20] = half_btf_0_sse4_1(&cospi54, &u[20], &rnding, bit); + u[23] = half_btf_0_sse4_1(&cospim58, &u[24], &rnding, bit); + u[24] = half_btf_0_sse4_1(&cospi6, &u[24], &rnding, bit); + u[33] = u[32]; + u[34] = u[35]; + u[37] = u[36]; + u[38] = u[39]; + u[41] = u[40]; + u[42] = u[43]; + u[45] = u[44]; + u[46] = u[47]; + u[49] = u[48]; + u[50] = u[51]; + u[53] = u[52]; + u[54] = u[55]; + u[57] = u[56]; + u[58] = u[59]; + u[61] = u[60]; + u[62] = u[63]; + + // stage 4 + u[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit); + u[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit); + u[11] = half_btf_0_sse4_1(&cospim52, &u[12], &rnding, bit); + u[12] = half_btf_0_sse4_1(&cospi12, &u[12], &rnding, bit); + + u[17] = u[16]; + u[18] = u[19]; + u[21] = u[20]; + u[22] = u[23]; + u[25] = u[24]; + u[26] = u[27]; + u[29] = u[28]; + u[30] = u[31]; + + tmp1 = half_btf_sse4_1(&cospim4, &u[33], &cospi60, &u[62], &rnding, bit); + tmp2 = half_btf_sse4_1(&cospim60, &u[34], &cospim4, &u[61], &rnding, bit); + tmp3 = half_btf_sse4_1(&cospim36, &u[37], &cospi28, &u[58], &rnding, bit); + tmp4 = half_btf_sse4_1(&cospim28, &u[38], &cospim36, &u[57], &rnding, bit); + u[57] = half_btf_sse4_1(&cospim36, &u[38], &cospi28, &u[57], &rnding, bit); + u[58] = half_btf_sse4_1(&cospi28, &u[37], &cospi36, &u[58], &rnding, bit); + u[61] = half_btf_sse4_1(&cospim4, &u[34], &cospi60, &u[61], &rnding, bit); + u[62] = half_btf_sse4_1(&cospi60, &u[33], &cospi4, &u[62], &rnding, bit); + u[33] = tmp1; + u[34] = tmp2; + u[37] = tmp3; + u[38] = tmp4; + + tmp1 = half_btf_sse4_1(&cospim20, &u[41], &cospi44, &u[54], &rnding, bit); + tmp2 = half_btf_sse4_1(&cospim44, &u[42], &cospim20, &u[53], &rnding, bit); + tmp3 = half_btf_sse4_1(&cospim52, &u[45], &cospi12, &u[50], &rnding, bit); + tmp4 = half_btf_sse4_1(&cospim12, &u[46], &cospim52, &u[49], &rnding, bit); + u[49] = half_btf_sse4_1(&cospim52, &u[46], &cospi12, &u[49], &rnding, bit); + u[50] = half_btf_sse4_1(&cospi12, &u[45], &cospi52, &u[50], &rnding, bit); + u[53] = half_btf_sse4_1(&cospim20, &u[42], &cospi44, &u[53], &rnding, bit); + u[54] = half_btf_sse4_1(&cospi44, &u[41], &cospi20, &u[54], &rnding, bit); + u[41] = tmp1; + u[42] = tmp2; + u[45] = tmp3; + u[46] = tmp4; + + // stage 5 + u[7] = half_btf_0_sse4_1(&cospi8, &u[4], &rnding, bit); + u[4] = half_btf_0_sse4_1(&cospi56, &u[4], &rnding, bit); + + u[9] = u[8]; + u[10] = u[11]; + u[13] = u[12]; + u[14] = u[15]; + + tmp1 = half_btf_sse4_1(&cospim8, &u[17], &cospi56, &u[30], &rnding, bit); + tmp2 = half_btf_sse4_1(&cospim56, &u[18], &cospim8, &u[29], &rnding, bit); + tmp3 = half_btf_sse4_1(&cospim40, &u[21], &cospi24, &u[26], &rnding, bit); + tmp4 = half_btf_sse4_1(&cospim24, &u[22], &cospim40, &u[25], &rnding, bit); + u[25] = half_btf_sse4_1(&cospim40, &u[22], &cospi24, &u[25], &rnding, bit); + u[26] = half_btf_sse4_1(&cospi24, &u[21], &cospi40, &u[26], &rnding, bit); + u[29] = half_btf_sse4_1(&cospim8, &u[18], &cospi56, &u[29], &rnding, bit); + u[30] = half_btf_sse4_1(&cospi56, &u[17], &cospi8, &u[30], &rnding, bit); + u[17] = tmp1; + u[18] = tmp2; + u[21] = tmp3; + u[22] = tmp4; + + for (i = 32; i < 64; i += 8) { + addsub_sse4_1(u[i + 0], u[i + 3], &u[i + 0], &u[i + 3], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 1], u[i + 2], &u[i + 1], &u[i + 2], &clamp_lo, + &clamp_hi); + + addsub_sse4_1(u[i + 7], u[i + 4], &u[i + 7], &u[i + 4], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 6], u[i + 5], &u[i + 6], &u[i + 5], &clamp_lo, + &clamp_hi); + } + + // stage 6 + tmp1 = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit); + u[1] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit); + u[0] = tmp1; + u[5] = u[4]; + u[6] = u[7]; + + tmp1 = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit); + u[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit); + u[9] = tmp1; + tmp2 = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit); + u[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit); + u[10] = tmp2; + + for (i = 16; i < 32; i += 8) { + addsub_sse4_1(u[i + 0], u[i + 3], &u[i + 0], &u[i + 3], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 1], u[i + 2], &u[i + 1], &u[i + 2], &clamp_lo, + &clamp_hi); + + addsub_sse4_1(u[i + 7], u[i + 4], &u[i + 7], &u[i + 4], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 6], u[i + 5], &u[i + 6], &u[i + 5], &clamp_lo, + &clamp_hi); + } + + tmp1 = half_btf_sse4_1(&cospim8, &u[34], &cospi56, &u[61], &rnding, bit); + tmp2 = half_btf_sse4_1(&cospim8, &u[35], &cospi56, &u[60], &rnding, bit); + tmp3 = half_btf_sse4_1(&cospim56, &u[36], &cospim8, &u[59], &rnding, bit); + tmp4 = half_btf_sse4_1(&cospim56, &u[37], &cospim8, &u[58], &rnding, bit); + u[58] = half_btf_sse4_1(&cospim8, &u[37], &cospi56, &u[58], &rnding, bit); + u[59] = half_btf_sse4_1(&cospim8, &u[36], &cospi56, &u[59], &rnding, bit); + u[60] = half_btf_sse4_1(&cospi56, &u[35], &cospi8, &u[60], &rnding, bit); + u[61] = half_btf_sse4_1(&cospi56, &u[34], &cospi8, &u[61], &rnding, bit); + u[34] = tmp1; + u[35] = tmp2; + u[36] = tmp3; + u[37] = tmp4; + + tmp1 = half_btf_sse4_1(&cospim40, &u[42], &cospi24, &u[53], &rnding, bit); + tmp2 = half_btf_sse4_1(&cospim40, &u[43], &cospi24, &u[52], &rnding, bit); + tmp3 = half_btf_sse4_1(&cospim24, &u[44], &cospim40, &u[51], &rnding, bit); + tmp4 = half_btf_sse4_1(&cospim24, &u[45], &cospim40, &u[50], &rnding, bit); + u[50] = half_btf_sse4_1(&cospim40, &u[45], &cospi24, &u[50], &rnding, bit); + u[51] = half_btf_sse4_1(&cospim40, &u[44], &cospi24, &u[51], &rnding, bit); + u[52] = half_btf_sse4_1(&cospi24, &u[43], &cospi40, &u[52], &rnding, bit); + u[53] = half_btf_sse4_1(&cospi24, &u[42], &cospi40, &u[53], &rnding, bit); + u[42] = tmp1; + u[43] = tmp2; + u[44] = tmp3; + u[45] = tmp4; + + // stage 7 + u[3] = u[0]; + u[2] = u[1]; + tmp1 = half_btf_sse4_1(&cospim32, &u[5], &cospi32, &u[6], &rnding, bit); + u[6] = half_btf_sse4_1(&cospi32, &u[5], &cospi32, &u[6], &rnding, bit); + u[5] = tmp1; + addsub_sse4_1(u[8], u[11], &u[8], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[9], u[10], &u[9], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[15], u[12], &u[15], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[14], u[13], &u[14], &u[13], &clamp_lo, &clamp_hi); + + tmp1 = half_btf_sse4_1(&cospim16, &u[18], &cospi48, &u[29], &rnding, bit); + tmp2 = half_btf_sse4_1(&cospim16, &u[19], &cospi48, &u[28], &rnding, bit); + tmp3 = half_btf_sse4_1(&cospim48, &u[20], &cospim16, &u[27], &rnding, bit); + tmp4 = half_btf_sse4_1(&cospim48, &u[21], &cospim16, &u[26], &rnding, bit); + u[26] = half_btf_sse4_1(&cospim16, &u[21], &cospi48, &u[26], &rnding, bit); + u[27] = half_btf_sse4_1(&cospim16, &u[20], &cospi48, &u[27], &rnding, bit); + u[28] = half_btf_sse4_1(&cospi48, &u[19], &cospi16, &u[28], &rnding, bit); + u[29] = half_btf_sse4_1(&cospi48, &u[18], &cospi16, &u[29], &rnding, bit); + u[18] = tmp1; + u[19] = tmp2; + u[20] = tmp3; + u[21] = tmp4; + + for (i = 32; i < 64; i += 16) { + for (j = i; j < i + 4; j++) { + addsub_sse4_1(u[j], u[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[j ^ 15], u[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo, + &clamp_hi); + } + } + + // stage 8 + for (i = 0; i < 4; ++i) { + addsub_sse4_1(u[i], u[7 - i], &u[i], &u[7 - i], &clamp_lo, &clamp_hi); + } + + idct64_stage8_sse4_1(u, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16, + &cospim48, &clamp_lo, &clamp_hi, &rnding, bit); + + // stage 9 + idct64_stage9_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding, + bit); + + // stage 10 + idct64_stage10_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding, + bit); + + // stage 11 + idct64_stage11_sse4_1(u, out, do_cols, bd, out_shift, log_range); + } +} + +static void idct64x64_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + int i, j; + const int32_t *cospi = cospi_arr(bit); + const __m128i rnding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + + const __m128i cospi1 = _mm_set1_epi32(cospi[1]); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospi3 = _mm_set1_epi32(cospi[3]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospi5 = _mm_set1_epi32(cospi[5]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi7 = _mm_set1_epi32(cospi[7]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospi9 = _mm_set1_epi32(cospi[9]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi11 = _mm_set1_epi32(cospi[11]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi13 = _mm_set1_epi32(cospi[13]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi15 = _mm_set1_epi32(cospi[15]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospi17 = _mm_set1_epi32(cospi[17]); + const __m128i cospi18 = _mm_set1_epi32(cospi[18]); + const __m128i cospi19 = _mm_set1_epi32(cospi[19]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi21 = _mm_set1_epi32(cospi[21]); + const __m128i cospi22 = _mm_set1_epi32(cospi[22]); + const __m128i cospi23 = _mm_set1_epi32(cospi[23]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospi25 = _mm_set1_epi32(cospi[25]); + const __m128i cospi26 = _mm_set1_epi32(cospi[26]); + const __m128i cospi27 = _mm_set1_epi32(cospi[27]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi29 = _mm_set1_epi32(cospi[29]); + const __m128i cospi30 = _mm_set1_epi32(cospi[30]); + const __m128i cospi31 = _mm_set1_epi32(cospi[31]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospi35 = _mm_set1_epi32(cospi[35]); + const __m128i cospi36 = _mm_set1_epi32(cospi[36]); + const __m128i cospi38 = _mm_set1_epi32(cospi[38]); + const __m128i cospi39 = _mm_set1_epi32(cospi[39]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi43 = _mm_set1_epi32(cospi[43]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi46 = _mm_set1_epi32(cospi[46]); + const __m128i cospi47 = _mm_set1_epi32(cospi[47]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospi51 = _mm_set1_epi32(cospi[51]); + const __m128i cospi52 = _mm_set1_epi32(cospi[52]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi55 = _mm_set1_epi32(cospi[55]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi59 = _mm_set1_epi32(cospi[59]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi63 = _mm_set1_epi32(cospi[63]); + + const __m128i cospim4 = _mm_set1_epi32(-cospi[4]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospim12 = _mm_set1_epi32(-cospi[12]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i cospim20 = _mm_set1_epi32(-cospi[20]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospim28 = _mm_set1_epi32(-cospi[28]); + const __m128i cospim32 = _mm_set1_epi32(-cospi[32]); + const __m128i cospim33 = _mm_set1_epi32(-cospi[33]); + const __m128i cospim34 = _mm_set1_epi32(-cospi[34]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospim37 = _mm_set1_epi32(-cospi[37]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospim41 = _mm_set1_epi32(-cospi[41]); + const __m128i cospim42 = _mm_set1_epi32(-cospi[42]); + const __m128i cospim44 = _mm_set1_epi32(-cospi[44]); + const __m128i cospim45 = _mm_set1_epi32(-cospi[45]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospim49 = _mm_set1_epi32(-cospi[49]); + const __m128i cospim50 = _mm_set1_epi32(-cospi[50]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospim53 = _mm_set1_epi32(-cospi[53]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim57 = _mm_set1_epi32(-cospi[57]); + const __m128i cospim58 = _mm_set1_epi32(-cospi[58]); + const __m128i cospim60 = _mm_set1_epi32(-cospi[60]); + const __m128i cospim61 = _mm_set1_epi32(-cospi[61]); + + { + __m128i u[64], v[64]; + + // stage 1 + u[32] = in[1]; + u[34] = in[17]; + u[36] = in[9]; + u[38] = in[25]; + u[40] = in[5]; + u[42] = in[21]; + u[44] = in[13]; + u[46] = in[29]; + u[48] = in[3]; + u[50] = in[19]; + u[52] = in[11]; + u[54] = in[27]; + u[56] = in[7]; + u[58] = in[23]; + u[60] = in[15]; + u[62] = in[31]; + + v[16] = in[2]; + v[18] = in[18]; + v[20] = in[10]; + v[22] = in[26]; + v[24] = in[6]; + v[26] = in[22]; + v[28] = in[14]; + v[30] = in[30]; + + u[8] = in[4]; + u[10] = in[20]; + u[12] = in[12]; + u[14] = in[28]; + + v[4] = in[8]; + v[6] = in[24]; + + u[0] = in[0]; + u[2] = in[16]; + + // stage 2 + v[32] = half_btf_0_sse4_1(&cospi63, &u[32], &rnding, bit); + v[33] = half_btf_0_sse4_1(&cospim33, &u[62], &rnding, bit); + v[34] = half_btf_0_sse4_1(&cospi47, &u[34], &rnding, bit); + v[35] = half_btf_0_sse4_1(&cospim49, &u[60], &rnding, bit); + v[36] = half_btf_0_sse4_1(&cospi55, &u[36], &rnding, bit); + v[37] = half_btf_0_sse4_1(&cospim41, &u[58], &rnding, bit); + v[38] = half_btf_0_sse4_1(&cospi39, &u[38], &rnding, bit); + v[39] = half_btf_0_sse4_1(&cospim57, &u[56], &rnding, bit); + v[40] = half_btf_0_sse4_1(&cospi59, &u[40], &rnding, bit); + v[41] = half_btf_0_sse4_1(&cospim37, &u[54], &rnding, bit); + v[42] = half_btf_0_sse4_1(&cospi43, &u[42], &rnding, bit); + v[43] = half_btf_0_sse4_1(&cospim53, &u[52], &rnding, bit); + v[44] = half_btf_0_sse4_1(&cospi51, &u[44], &rnding, bit); + v[45] = half_btf_0_sse4_1(&cospim45, &u[50], &rnding, bit); + v[46] = half_btf_0_sse4_1(&cospi35, &u[46], &rnding, bit); + v[47] = half_btf_0_sse4_1(&cospim61, &u[48], &rnding, bit); + v[48] = half_btf_0_sse4_1(&cospi3, &u[48], &rnding, bit); + v[49] = half_btf_0_sse4_1(&cospi29, &u[46], &rnding, bit); + v[50] = half_btf_0_sse4_1(&cospi19, &u[50], &rnding, bit); + v[51] = half_btf_0_sse4_1(&cospi13, &u[44], &rnding, bit); + v[52] = half_btf_0_sse4_1(&cospi11, &u[52], &rnding, bit); + v[53] = half_btf_0_sse4_1(&cospi21, &u[42], &rnding, bit); + v[54] = half_btf_0_sse4_1(&cospi27, &u[54], &rnding, bit); + v[55] = half_btf_0_sse4_1(&cospi5, &u[40], &rnding, bit); + v[56] = half_btf_0_sse4_1(&cospi7, &u[56], &rnding, bit); + v[57] = half_btf_0_sse4_1(&cospi25, &u[38], &rnding, bit); + v[58] = half_btf_0_sse4_1(&cospi23, &u[58], &rnding, bit); + v[59] = half_btf_0_sse4_1(&cospi9, &u[36], &rnding, bit); + v[60] = half_btf_0_sse4_1(&cospi15, &u[60], &rnding, bit); + v[61] = half_btf_0_sse4_1(&cospi17, &u[34], &rnding, bit); + v[62] = half_btf_0_sse4_1(&cospi31, &u[62], &rnding, bit); + v[63] = half_btf_0_sse4_1(&cospi1, &u[32], &rnding, bit); + + // stage 3 + u[16] = half_btf_0_sse4_1(&cospi62, &v[16], &rnding, bit); + u[17] = half_btf_0_sse4_1(&cospim34, &v[30], &rnding, bit); + u[18] = half_btf_0_sse4_1(&cospi46, &v[18], &rnding, bit); + u[19] = half_btf_0_sse4_1(&cospim50, &v[28], &rnding, bit); + u[20] = half_btf_0_sse4_1(&cospi54, &v[20], &rnding, bit); + u[21] = half_btf_0_sse4_1(&cospim42, &v[26], &rnding, bit); + u[22] = half_btf_0_sse4_1(&cospi38, &v[22], &rnding, bit); + u[23] = half_btf_0_sse4_1(&cospim58, &v[24], &rnding, bit); + u[24] = half_btf_0_sse4_1(&cospi6, &v[24], &rnding, bit); + u[25] = half_btf_0_sse4_1(&cospi26, &v[22], &rnding, bit); + u[26] = half_btf_0_sse4_1(&cospi22, &v[26], &rnding, bit); + u[27] = half_btf_0_sse4_1(&cospi10, &v[20], &rnding, bit); + u[28] = half_btf_0_sse4_1(&cospi14, &v[28], &rnding, bit); + u[29] = half_btf_0_sse4_1(&cospi18, &v[18], &rnding, bit); + u[30] = half_btf_0_sse4_1(&cospi30, &v[30], &rnding, bit); + u[31] = half_btf_0_sse4_1(&cospi2, &v[16], &rnding, bit); + + for (i = 32; i < 64; i += 4) { + addsub_sse4_1(v[i + 0], v[i + 1], &u[i + 0], &u[i + 1], &clamp_lo, + &clamp_hi); + addsub_sse4_1(v[i + 3], v[i + 2], &u[i + 3], &u[i + 2], &clamp_lo, + &clamp_hi); + } + + // stage 4 + v[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit); + v[9] = half_btf_0_sse4_1(&cospim36, &u[14], &rnding, bit); + v[10] = half_btf_0_sse4_1(&cospi44, &u[10], &rnding, bit); + v[11] = half_btf_0_sse4_1(&cospim52, &u[12], &rnding, bit); + v[12] = half_btf_0_sse4_1(&cospi12, &u[12], &rnding, bit); + v[13] = half_btf_0_sse4_1(&cospi20, &u[10], &rnding, bit); + v[14] = half_btf_0_sse4_1(&cospi28, &u[14], &rnding, bit); + v[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit); + + for (i = 16; i < 32; i += 4) { + addsub_sse4_1(u[i + 0], u[i + 1], &v[i + 0], &v[i + 1], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 3], u[i + 2], &v[i + 3], &v[i + 2], &clamp_lo, + &clamp_hi); + } + + for (i = 32; i < 64; i += 4) { + v[i + 0] = u[i + 0]; + v[i + 3] = u[i + 3]; + } + + v[33] = half_btf_sse4_1(&cospim4, &u[33], &cospi60, &u[62], &rnding, bit); + v[34] = half_btf_sse4_1(&cospim60, &u[34], &cospim4, &u[61], &rnding, bit); + v[37] = half_btf_sse4_1(&cospim36, &u[37], &cospi28, &u[58], &rnding, bit); + v[38] = half_btf_sse4_1(&cospim28, &u[38], &cospim36, &u[57], &rnding, bit); + v[41] = half_btf_sse4_1(&cospim20, &u[41], &cospi44, &u[54], &rnding, bit); + v[42] = half_btf_sse4_1(&cospim44, &u[42], &cospim20, &u[53], &rnding, bit); + v[45] = half_btf_sse4_1(&cospim52, &u[45], &cospi12, &u[50], &rnding, bit); + v[46] = half_btf_sse4_1(&cospim12, &u[46], &cospim52, &u[49], &rnding, bit); + v[49] = half_btf_sse4_1(&cospim52, &u[46], &cospi12, &u[49], &rnding, bit); + v[50] = half_btf_sse4_1(&cospi12, &u[45], &cospi52, &u[50], &rnding, bit); + v[53] = half_btf_sse4_1(&cospim20, &u[42], &cospi44, &u[53], &rnding, bit); + v[54] = half_btf_sse4_1(&cospi44, &u[41], &cospi20, &u[54], &rnding, bit); + v[57] = half_btf_sse4_1(&cospim36, &u[38], &cospi28, &u[57], &rnding, bit); + v[58] = half_btf_sse4_1(&cospi28, &u[37], &cospi36, &u[58], &rnding, bit); + v[61] = half_btf_sse4_1(&cospim4, &u[34], &cospi60, &u[61], &rnding, bit); + v[62] = half_btf_sse4_1(&cospi60, &u[33], &cospi4, &u[62], &rnding, bit); + + // stage 5 + u[4] = half_btf_0_sse4_1(&cospi56, &v[4], &rnding, bit); + u[5] = half_btf_0_sse4_1(&cospim40, &v[6], &rnding, bit); + u[6] = half_btf_0_sse4_1(&cospi24, &v[6], &rnding, bit); + u[7] = half_btf_0_sse4_1(&cospi8, &v[4], &rnding, bit); + + for (i = 8; i < 16; i += 4) { + addsub_sse4_1(v[i + 0], v[i + 1], &u[i + 0], &u[i + 1], &clamp_lo, + &clamp_hi); + addsub_sse4_1(v[i + 3], v[i + 2], &u[i + 3], &u[i + 2], &clamp_lo, + &clamp_hi); + } + + for (i = 16; i < 32; i += 4) { + u[i + 0] = v[i + 0]; + u[i + 3] = v[i + 3]; + } + + u[17] = half_btf_sse4_1(&cospim8, &v[17], &cospi56, &v[30], &rnding, bit); + u[18] = half_btf_sse4_1(&cospim56, &v[18], &cospim8, &v[29], &rnding, bit); + u[21] = half_btf_sse4_1(&cospim40, &v[21], &cospi24, &v[26], &rnding, bit); + u[22] = half_btf_sse4_1(&cospim24, &v[22], &cospim40, &v[25], &rnding, bit); + u[25] = half_btf_sse4_1(&cospim40, &v[22], &cospi24, &v[25], &rnding, bit); + u[26] = half_btf_sse4_1(&cospi24, &v[21], &cospi40, &v[26], &rnding, bit); + u[29] = half_btf_sse4_1(&cospim8, &v[18], &cospi56, &v[29], &rnding, bit); + u[30] = half_btf_sse4_1(&cospi56, &v[17], &cospi8, &v[30], &rnding, bit); + + for (i = 32; i < 64; i += 8) { + addsub_sse4_1(v[i + 0], v[i + 3], &u[i + 0], &u[i + 3], &clamp_lo, + &clamp_hi); + addsub_sse4_1(v[i + 1], v[i + 2], &u[i + 1], &u[i + 2], &clamp_lo, + &clamp_hi); + + addsub_sse4_1(v[i + 7], v[i + 4], &u[i + 7], &u[i + 4], &clamp_lo, + &clamp_hi); + addsub_sse4_1(v[i + 6], v[i + 5], &u[i + 6], &u[i + 5], &clamp_lo, + &clamp_hi); + } + + // stage 6 + v[0] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit); + v[1] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit); + v[2] = half_btf_0_sse4_1(&cospi48, &u[2], &rnding, bit); + v[3] = half_btf_0_sse4_1(&cospi16, &u[2], &rnding, bit); + + addsub_sse4_1(u[4], u[5], &v[4], &v[5], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[7], u[6], &v[7], &v[6], &clamp_lo, &clamp_hi); + + for (i = 8; i < 16; i += 4) { + v[i + 0] = u[i + 0]; + v[i + 3] = u[i + 3]; + } + + v[9] = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit); + v[10] = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit); + v[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit); + v[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit); + + for (i = 16; i < 32; i += 8) { + addsub_sse4_1(u[i + 0], u[i + 3], &v[i + 0], &v[i + 3], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 1], u[i + 2], &v[i + 1], &v[i + 2], &clamp_lo, + &clamp_hi); + + addsub_sse4_1(u[i + 7], u[i + 4], &v[i + 7], &v[i + 4], &clamp_lo, + &clamp_hi); + addsub_sse4_1(u[i + 6], u[i + 5], &v[i + 6], &v[i + 5], &clamp_lo, + &clamp_hi); + } + + for (i = 32; i < 64; i += 8) { + v[i + 0] = u[i + 0]; + v[i + 1] = u[i + 1]; + v[i + 6] = u[i + 6]; + v[i + 7] = u[i + 7]; + } + + v[34] = half_btf_sse4_1(&cospim8, &u[34], &cospi56, &u[61], &rnding, bit); + v[35] = half_btf_sse4_1(&cospim8, &u[35], &cospi56, &u[60], &rnding, bit); + v[36] = half_btf_sse4_1(&cospim56, &u[36], &cospim8, &u[59], &rnding, bit); + v[37] = half_btf_sse4_1(&cospim56, &u[37], &cospim8, &u[58], &rnding, bit); + v[42] = half_btf_sse4_1(&cospim40, &u[42], &cospi24, &u[53], &rnding, bit); + v[43] = half_btf_sse4_1(&cospim40, &u[43], &cospi24, &u[52], &rnding, bit); + v[44] = half_btf_sse4_1(&cospim24, &u[44], &cospim40, &u[51], &rnding, bit); + v[45] = half_btf_sse4_1(&cospim24, &u[45], &cospim40, &u[50], &rnding, bit); + v[50] = half_btf_sse4_1(&cospim40, &u[45], &cospi24, &u[50], &rnding, bit); + v[51] = half_btf_sse4_1(&cospim40, &u[44], &cospi24, &u[51], &rnding, bit); + v[52] = half_btf_sse4_1(&cospi24, &u[43], &cospi40, &u[52], &rnding, bit); + v[53] = half_btf_sse4_1(&cospi24, &u[42], &cospi40, &u[53], &rnding, bit); + v[58] = half_btf_sse4_1(&cospim8, &u[37], &cospi56, &u[58], &rnding, bit); + v[59] = half_btf_sse4_1(&cospim8, &u[36], &cospi56, &u[59], &rnding, bit); + v[60] = half_btf_sse4_1(&cospi56, &u[35], &cospi8, &u[60], &rnding, bit); + v[61] = half_btf_sse4_1(&cospi56, &u[34], &cospi8, &u[61], &rnding, bit); + + // stage 7 + addsub_sse4_1(v[0], v[3], &u[0], &u[3], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[1], v[2], &u[1], &u[2], &clamp_lo, &clamp_hi); + + u[4] = v[4]; + u[7] = v[7]; + u[5] = half_btf_sse4_1(&cospim32, &v[5], &cospi32, &v[6], &rnding, bit); + u[6] = half_btf_sse4_1(&cospi32, &v[5], &cospi32, &v[6], &rnding, bit); + + addsub_sse4_1(v[8], v[11], &u[8], &u[11], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[9], v[10], &u[9], &u[10], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[15], v[12], &u[15], &u[12], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[14], v[13], &u[14], &u[13], &clamp_lo, &clamp_hi); + + for (i = 16; i < 32; i += 8) { + u[i + 0] = v[i + 0]; + u[i + 1] = v[i + 1]; + u[i + 6] = v[i + 6]; + u[i + 7] = v[i + 7]; + } + + u[18] = half_btf_sse4_1(&cospim16, &v[18], &cospi48, &v[29], &rnding, bit); + u[19] = half_btf_sse4_1(&cospim16, &v[19], &cospi48, &v[28], &rnding, bit); + u[20] = half_btf_sse4_1(&cospim48, &v[20], &cospim16, &v[27], &rnding, bit); + u[21] = half_btf_sse4_1(&cospim48, &v[21], &cospim16, &v[26], &rnding, bit); + u[26] = half_btf_sse4_1(&cospim16, &v[21], &cospi48, &v[26], &rnding, bit); + u[27] = half_btf_sse4_1(&cospim16, &v[20], &cospi48, &v[27], &rnding, bit); + u[28] = half_btf_sse4_1(&cospi48, &v[19], &cospi16, &v[28], &rnding, bit); + u[29] = half_btf_sse4_1(&cospi48, &v[18], &cospi16, &v[29], &rnding, bit); + + for (i = 32; i < 64; i += 16) { + for (j = i; j < i + 4; j++) { + addsub_sse4_1(v[j], v[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi); + addsub_sse4_1(v[j ^ 15], v[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo, + &clamp_hi); + } + } + + // stage 8 + for (i = 0; i < 4; ++i) { + addsub_sse4_1(u[i], u[7 - i], &v[i], &v[7 - i], &clamp_lo, &clamp_hi); + } + + v[8] = u[8]; + v[9] = u[9]; + v[14] = u[14]; + v[15] = u[15]; + + v[10] = half_btf_sse4_1(&cospim32, &u[10], &cospi32, &u[13], &rnding, bit); + v[11] = half_btf_sse4_1(&cospim32, &u[11], &cospi32, &u[12], &rnding, bit); + v[12] = half_btf_sse4_1(&cospi32, &u[11], &cospi32, &u[12], &rnding, bit); + v[13] = half_btf_sse4_1(&cospi32, &u[10], &cospi32, &u[13], &rnding, bit); + + for (i = 16; i < 20; ++i) { + addsub_sse4_1(u[i], u[i ^ 7], &v[i], &v[i ^ 7], &clamp_lo, &clamp_hi); + addsub_sse4_1(u[i ^ 15], u[i ^ 8], &v[i ^ 15], &v[i ^ 8], &clamp_lo, + &clamp_hi); + } + + for (i = 32; i < 36; ++i) { + v[i] = u[i]; + v[i + 12] = u[i + 12]; + v[i + 16] = u[i + 16]; + v[i + 28] = u[i + 28]; + } + + v[36] = half_btf_sse4_1(&cospim16, &u[36], &cospi48, &u[59], &rnding, bit); + v[37] = half_btf_sse4_1(&cospim16, &u[37], &cospi48, &u[58], &rnding, bit); + v[38] = half_btf_sse4_1(&cospim16, &u[38], &cospi48, &u[57], &rnding, bit); + v[39] = half_btf_sse4_1(&cospim16, &u[39], &cospi48, &u[56], &rnding, bit); + v[40] = half_btf_sse4_1(&cospim48, &u[40], &cospim16, &u[55], &rnding, bit); + v[41] = half_btf_sse4_1(&cospim48, &u[41], &cospim16, &u[54], &rnding, bit); + v[42] = half_btf_sse4_1(&cospim48, &u[42], &cospim16, &u[53], &rnding, bit); + v[43] = half_btf_sse4_1(&cospim48, &u[43], &cospim16, &u[52], &rnding, bit); + v[52] = half_btf_sse4_1(&cospim16, &u[43], &cospi48, &u[52], &rnding, bit); + v[53] = half_btf_sse4_1(&cospim16, &u[42], &cospi48, &u[53], &rnding, bit); + v[54] = half_btf_sse4_1(&cospim16, &u[41], &cospi48, &u[54], &rnding, bit); + v[55] = half_btf_sse4_1(&cospim16, &u[40], &cospi48, &u[55], &rnding, bit); + v[56] = half_btf_sse4_1(&cospi48, &u[39], &cospi16, &u[56], &rnding, bit); + v[57] = half_btf_sse4_1(&cospi48, &u[38], &cospi16, &u[57], &rnding, bit); + v[58] = half_btf_sse4_1(&cospi48, &u[37], &cospi16, &u[58], &rnding, bit); + v[59] = half_btf_sse4_1(&cospi48, &u[36], &cospi16, &u[59], &rnding, bit); + + // stage 9 + for (i = 0; i < 8; ++i) { + addsub_sse4_1(v[i], v[15 - i], &u[i], &u[15 - i], &clamp_lo, &clamp_hi); + } + + for (i = 16; i < 20; ++i) { + u[i] = v[i]; + u[i + 12] = v[i + 12]; + } + + u[20] = half_btf_sse4_1(&cospim32, &v[20], &cospi32, &v[27], &rnding, bit); + u[21] = half_btf_sse4_1(&cospim32, &v[21], &cospi32, &v[26], &rnding, bit); + u[22] = half_btf_sse4_1(&cospim32, &v[22], &cospi32, &v[25], &rnding, bit); + u[23] = half_btf_sse4_1(&cospim32, &v[23], &cospi32, &v[24], &rnding, bit); + u[24] = half_btf_sse4_1(&cospi32, &v[23], &cospi32, &v[24], &rnding, bit); + u[25] = half_btf_sse4_1(&cospi32, &v[22], &cospi32, &v[25], &rnding, bit); + u[26] = half_btf_sse4_1(&cospi32, &v[21], &cospi32, &v[26], &rnding, bit); + u[27] = half_btf_sse4_1(&cospi32, &v[20], &cospi32, &v[27], &rnding, bit); + + for (i = 32; i < 40; i++) { + addsub_sse4_1(v[i], v[i ^ 15], &u[i], &u[i ^ 15], &clamp_lo, &clamp_hi); + } + + for (i = 48; i < 56; i++) { + addsub_sse4_1(v[i ^ 15], v[i], &u[i ^ 15], &u[i], &clamp_lo, &clamp_hi); + } + + // stage 10 + for (i = 0; i < 16; i++) { + addsub_sse4_1(u[i], u[31 - i], &v[i], &v[31 - i], &clamp_lo, &clamp_hi); + } + + for (i = 32; i < 40; i++) v[i] = u[i]; + + v[40] = half_btf_sse4_1(&cospim32, &u[40], &cospi32, &u[55], &rnding, bit); + v[41] = half_btf_sse4_1(&cospim32, &u[41], &cospi32, &u[54], &rnding, bit); + v[42] = half_btf_sse4_1(&cospim32, &u[42], &cospi32, &u[53], &rnding, bit); + v[43] = half_btf_sse4_1(&cospim32, &u[43], &cospi32, &u[52], &rnding, bit); + v[44] = half_btf_sse4_1(&cospim32, &u[44], &cospi32, &u[51], &rnding, bit); + v[45] = half_btf_sse4_1(&cospim32, &u[45], &cospi32, &u[50], &rnding, bit); + v[46] = half_btf_sse4_1(&cospim32, &u[46], &cospi32, &u[49], &rnding, bit); + v[47] = half_btf_sse4_1(&cospim32, &u[47], &cospi32, &u[48], &rnding, bit); + v[48] = half_btf_sse4_1(&cospi32, &u[47], &cospi32, &u[48], &rnding, bit); + v[49] = half_btf_sse4_1(&cospi32, &u[46], &cospi32, &u[49], &rnding, bit); + v[50] = half_btf_sse4_1(&cospi32, &u[45], &cospi32, &u[50], &rnding, bit); + v[51] = half_btf_sse4_1(&cospi32, &u[44], &cospi32, &u[51], &rnding, bit); + v[52] = half_btf_sse4_1(&cospi32, &u[43], &cospi32, &u[52], &rnding, bit); + v[53] = half_btf_sse4_1(&cospi32, &u[42], &cospi32, &u[53], &rnding, bit); + v[54] = half_btf_sse4_1(&cospi32, &u[41], &cospi32, &u[54], &rnding, bit); + v[55] = half_btf_sse4_1(&cospi32, &u[40], &cospi32, &u[55], &rnding, bit); + + for (i = 56; i < 64; i++) v[i] = u[i]; + + // stage 11 + if (do_cols) { + for (i = 0; i < 32; i++) { + addsub_no_clamp_sse4_1(v[i], v[63 - i], &out[(i)], &out[(63 - i)]); + } + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + for (i = 0; i < 32; i++) { + addsub_shift_sse4_1(v[i], v[63 - i], &out[(i)], &out[(63 - i)], + &clamp_lo_out, &clamp_hi_out, out_shift); + } + } + } +} + +static void idct32x32_low1_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i rounding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i bf1; + + // stage 0 + // stage 1 + bf1 = in[0]; + + // stage 2 + // stage 3 + // stage 4 + // stage 5 + bf1 = half_btf_0_sse4_1(&cospi32, &bf1, &rounding, bit); + + // stage 6 + // stage 7 + // stage 8 + // stage 9 + if (do_cols) { + bf1 = _mm_max_epi32(bf1, clamp_lo); + bf1 = _mm_min_epi32(bf1, clamp_hi); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + __m128i offset = _mm_set1_epi32((1 << out_shift) >> 1); + bf1 = _mm_add_epi32(bf1, offset); + bf1 = _mm_sra_epi32(bf1, _mm_cvtsi32_si128(out_shift)); + bf1 = _mm_max_epi32(bf1, clamp_lo_out); + bf1 = _mm_min_epi32(bf1, clamp_hi_out); + } + out[0] = bf1; + out[1] = bf1; + out[2] = bf1; + out[3] = bf1; + out[4] = bf1; + out[5] = bf1; + out[6] = bf1; + out[7] = bf1; + out[8] = bf1; + out[9] = bf1; + out[10] = bf1; + out[11] = bf1; + out[12] = bf1; + out[13] = bf1; + out[14] = bf1; + out[15] = bf1; + out[16] = bf1; + out[17] = bf1; + out[18] = bf1; + out[19] = bf1; + out[20] = bf1; + out[21] = bf1; + out[22] = bf1; + out[23] = bf1; + out[24] = bf1; + out[25] = bf1; + out[26] = bf1; + out[27] = bf1; + out[28] = bf1; + out[29] = bf1; + out[30] = bf1; + out[31] = bf1; +} + +static void idct32x32_low8_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospim58 = _mm_set1_epi32(-cospi[58]); + const __m128i cospim50 = _mm_set1_epi32(-cospi[50]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospim32 = _mm_set1_epi32(-cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i rounding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i bf1[32]; + + // stage 0 + // stage 1 + bf1[0] = in[0]; + bf1[4] = in[4]; + bf1[8] = in[2]; + bf1[12] = in[6]; + bf1[16] = in[1]; + bf1[20] = in[5]; + bf1[24] = in[3]; + bf1[28] = in[7]; + + // stage 2 + bf1[31] = half_btf_0_sse4_1(&cospi2, &bf1[16], &rounding, bit); + bf1[16] = half_btf_0_sse4_1(&cospi62, &bf1[16], &rounding, bit); + bf1[19] = half_btf_0_sse4_1(&cospim50, &bf1[28], &rounding, bit); + bf1[28] = half_btf_0_sse4_1(&cospi14, &bf1[28], &rounding, bit); + bf1[27] = half_btf_0_sse4_1(&cospi10, &bf1[20], &rounding, bit); + bf1[20] = half_btf_0_sse4_1(&cospi54, &bf1[20], &rounding, bit); + bf1[23] = half_btf_0_sse4_1(&cospim58, &bf1[24], &rounding, bit); + bf1[24] = half_btf_0_sse4_1(&cospi6, &bf1[24], &rounding, bit); + + // stage 3 + bf1[15] = half_btf_0_sse4_1(&cospi4, &bf1[8], &rounding, bit); + bf1[8] = half_btf_0_sse4_1(&cospi60, &bf1[8], &rounding, bit); + + bf1[11] = half_btf_0_sse4_1(&cospim52, &bf1[12], &rounding, bit); + bf1[12] = half_btf_0_sse4_1(&cospi12, &bf1[12], &rounding, bit); + bf1[17] = bf1[16]; + bf1[18] = bf1[19]; + bf1[21] = bf1[20]; + bf1[22] = bf1[23]; + bf1[25] = bf1[24]; + bf1[26] = bf1[27]; + bf1[29] = bf1[28]; + bf1[30] = bf1[31]; + + // stage 4 : + bf1[7] = half_btf_0_sse4_1(&cospi8, &bf1[4], &rounding, bit); + bf1[4] = half_btf_0_sse4_1(&cospi56, &bf1[4], &rounding, bit); + + bf1[9] = bf1[8]; + bf1[10] = bf1[11]; + bf1[13] = bf1[12]; + bf1[14] = bf1[15]; + + idct32_stage4_sse4_1(bf1, &cospim8, &cospi56, &cospi8, &cospim56, &cospim40, + &cospi24, &cospi40, &cospim24, &rounding, bit); + + // stage 5 + bf1[0] = half_btf_0_sse4_1(&cospi32, &bf1[0], &rounding, bit); + bf1[1] = bf1[0]; + bf1[5] = bf1[4]; + bf1[6] = bf1[7]; + + idct32_stage5_sse4_1(bf1, &cospim16, &cospi48, &cospi16, &cospim48, &clamp_lo, + &clamp_hi, &rounding, bit); + + // stage 6 + bf1[3] = bf1[0]; + bf1[2] = bf1[1]; + + idct32_stage6_sse4_1(bf1, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16, + &cospim48, &clamp_lo, &clamp_hi, &rounding, bit); + + // stage 7 + idct32_stage7_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi, + &rounding, bit); + + // stage 8 + idct32_stage8_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi, + &rounding, bit); + + // stage 9 + idct32_stage9_sse4_1(bf1, out, do_cols, bd, out_shift, log_range); +} + +static void idct32x32_low16_sse4_1(__m128i *in, __m128i *out, int bit, + int do_cols, int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi30 = _mm_set1_epi32(cospi[30]); + const __m128i cospi46 = _mm_set1_epi32(cospi[46]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi22 = _mm_set1_epi32(cospi[22]); + const __m128i cospi38 = _mm_set1_epi32(cospi[38]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi26 = _mm_set1_epi32(cospi[26]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi18 = _mm_set1_epi32(cospi[18]); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospim58 = _mm_set1_epi32(-cospi[58]); + const __m128i cospim42 = _mm_set1_epi32(-cospi[42]); + const __m128i cospim50 = _mm_set1_epi32(-cospi[50]); + const __m128i cospim34 = _mm_set1_epi32(-cospi[34]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospim32 = _mm_set1_epi32(-cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i rounding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i bf1[32]; + + // stage 0 + // stage 1 + + bf1[0] = in[0]; + bf1[2] = in[8]; + bf1[4] = in[4]; + bf1[6] = in[12]; + bf1[8] = in[2]; + bf1[10] = in[10]; + bf1[12] = in[6]; + bf1[14] = in[14]; + bf1[16] = in[1]; + bf1[18] = in[9]; + bf1[20] = in[5]; + bf1[22] = in[13]; + bf1[24] = in[3]; + bf1[26] = in[11]; + bf1[28] = in[7]; + bf1[30] = in[15]; + + // stage 2 + bf1[31] = half_btf_0_sse4_1(&cospi2, &bf1[16], &rounding, bit); + bf1[16] = half_btf_0_sse4_1(&cospi62, &bf1[16], &rounding, bit); + bf1[17] = half_btf_0_sse4_1(&cospim34, &bf1[30], &rounding, bit); + bf1[30] = half_btf_0_sse4_1(&cospi30, &bf1[30], &rounding, bit); + bf1[29] = half_btf_0_sse4_1(&cospi18, &bf1[18], &rounding, bit); + bf1[18] = half_btf_0_sse4_1(&cospi46, &bf1[18], &rounding, bit); + bf1[19] = half_btf_0_sse4_1(&cospim50, &bf1[28], &rounding, bit); + bf1[28] = half_btf_0_sse4_1(&cospi14, &bf1[28], &rounding, bit); + bf1[27] = half_btf_0_sse4_1(&cospi10, &bf1[20], &rounding, bit); + bf1[20] = half_btf_0_sse4_1(&cospi54, &bf1[20], &rounding, bit); + bf1[21] = half_btf_0_sse4_1(&cospim42, &bf1[26], &rounding, bit); + bf1[26] = half_btf_0_sse4_1(&cospi22, &bf1[26], &rounding, bit); + bf1[25] = half_btf_0_sse4_1(&cospi26, &bf1[22], &rounding, bit); + bf1[22] = half_btf_0_sse4_1(&cospi38, &bf1[22], &rounding, bit); + bf1[23] = half_btf_0_sse4_1(&cospim58, &bf1[24], &rounding, bit); + bf1[24] = half_btf_0_sse4_1(&cospi6, &bf1[24], &rounding, bit); + + // stage 3 + bf1[15] = half_btf_0_sse4_1(&cospi4, &bf1[8], &rounding, bit); + bf1[8] = half_btf_0_sse4_1(&cospi60, &bf1[8], &rounding, bit); + bf1[9] = half_btf_0_sse4_1(&cospim36, &bf1[14], &rounding, bit); + bf1[14] = half_btf_0_sse4_1(&cospi28, &bf1[14], &rounding, bit); + bf1[13] = half_btf_0_sse4_1(&cospi20, &bf1[10], &rounding, bit); + bf1[10] = half_btf_0_sse4_1(&cospi44, &bf1[10], &rounding, bit); + bf1[11] = half_btf_0_sse4_1(&cospim52, &bf1[12], &rounding, bit); + bf1[12] = half_btf_0_sse4_1(&cospi12, &bf1[12], &rounding, bit); + + addsub_sse4_1(bf1[16], bf1[17], bf1 + 16, bf1 + 17, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[19], bf1[18], bf1 + 19, bf1 + 18, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[20], bf1[21], bf1 + 20, bf1 + 21, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[23], bf1[22], bf1 + 23, bf1 + 22, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[24], bf1[25], bf1 + 24, bf1 + 25, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[27], bf1[26], bf1 + 27, bf1 + 26, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[28], bf1[29], bf1 + 28, bf1 + 29, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[31], bf1[30], bf1 + 31, bf1 + 30, &clamp_lo, &clamp_hi); + // stage 4 + bf1[7] = half_btf_0_sse4_1(&cospi8, &bf1[4], &rounding, bit); + bf1[4] = half_btf_0_sse4_1(&cospi56, &bf1[4], &rounding, bit); + bf1[5] = half_btf_0_sse4_1(&cospim40, &bf1[6], &rounding, bit); + bf1[6] = half_btf_0_sse4_1(&cospi24, &bf1[6], &rounding, bit); + + addsub_sse4_1(bf1[8], bf1[9], bf1 + 8, bf1 + 9, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[11], bf1[10], bf1 + 11, bf1 + 10, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[12], bf1[13], bf1 + 12, bf1 + 13, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[15], bf1[14], bf1 + 15, bf1 + 14, &clamp_lo, &clamp_hi); + + idct32_stage4_sse4_1(bf1, &cospim8, &cospi56, &cospi8, &cospim56, &cospim40, + &cospi24, &cospi40, &cospim24, &rounding, bit); + + // stage 5 + bf1[0] = half_btf_0_sse4_1(&cospi32, &bf1[0], &rounding, bit); + bf1[1] = bf1[0]; + bf1[3] = half_btf_0_sse4_1(&cospi16, &bf1[2], &rounding, bit); + bf1[2] = half_btf_0_sse4_1(&cospi48, &bf1[2], &rounding, bit); + + addsub_sse4_1(bf1[4], bf1[5], bf1 + 4, bf1 + 5, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[7], bf1[6], bf1 + 7, bf1 + 6, &clamp_lo, &clamp_hi); + + idct32_stage5_sse4_1(bf1, &cospim16, &cospi48, &cospi16, &cospim48, &clamp_lo, + &clamp_hi, &rounding, bit); + + // stage 6 + addsub_sse4_1(bf1[0], bf1[3], bf1 + 0, bf1 + 3, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[1], bf1[2], bf1 + 1, bf1 + 2, &clamp_lo, &clamp_hi); + + idct32_stage6_sse4_1(bf1, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16, + &cospim48, &clamp_lo, &clamp_hi, &rounding, bit); + + // stage 7 + idct32_stage7_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi, + &rounding, bit); + + // stage 8 + idct32_stage8_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi, + &rounding, bit); + + // stage 9 + idct32_stage9_sse4_1(bf1, out, do_cols, bd, out_shift, log_range); +} + +static void idct32x32_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols, + int bd, int out_shift) { + const int32_t *cospi = cospi_arr(bit); + const __m128i cospi62 = _mm_set1_epi32(cospi[62]); + const __m128i cospi30 = _mm_set1_epi32(cospi[30]); + const __m128i cospi46 = _mm_set1_epi32(cospi[46]); + const __m128i cospi14 = _mm_set1_epi32(cospi[14]); + const __m128i cospi54 = _mm_set1_epi32(cospi[54]); + const __m128i cospi22 = _mm_set1_epi32(cospi[22]); + const __m128i cospi38 = _mm_set1_epi32(cospi[38]); + const __m128i cospi6 = _mm_set1_epi32(cospi[6]); + const __m128i cospi58 = _mm_set1_epi32(cospi[58]); + const __m128i cospi26 = _mm_set1_epi32(cospi[26]); + const __m128i cospi42 = _mm_set1_epi32(cospi[42]); + const __m128i cospi10 = _mm_set1_epi32(cospi[10]); + const __m128i cospi50 = _mm_set1_epi32(cospi[50]); + const __m128i cospi18 = _mm_set1_epi32(cospi[18]); + const __m128i cospi34 = _mm_set1_epi32(cospi[34]); + const __m128i cospi2 = _mm_set1_epi32(cospi[2]); + const __m128i cospim58 = _mm_set1_epi32(-cospi[58]); + const __m128i cospim26 = _mm_set1_epi32(-cospi[26]); + const __m128i cospim42 = _mm_set1_epi32(-cospi[42]); + const __m128i cospim10 = _mm_set1_epi32(-cospi[10]); + const __m128i cospim50 = _mm_set1_epi32(-cospi[50]); + const __m128i cospim18 = _mm_set1_epi32(-cospi[18]); + const __m128i cospim34 = _mm_set1_epi32(-cospi[34]); + const __m128i cospim2 = _mm_set1_epi32(-cospi[2]); + const __m128i cospi60 = _mm_set1_epi32(cospi[60]); + const __m128i cospi28 = _mm_set1_epi32(cospi[28]); + const __m128i cospi44 = _mm_set1_epi32(cospi[44]); + const __m128i cospi12 = _mm_set1_epi32(cospi[12]); + const __m128i cospi52 = _mm_set1_epi32(cospi[52]); + const __m128i cospi20 = _mm_set1_epi32(cospi[20]); + const __m128i cospi36 = _mm_set1_epi32(cospi[36]); + const __m128i cospi4 = _mm_set1_epi32(cospi[4]); + const __m128i cospim52 = _mm_set1_epi32(-cospi[52]); + const __m128i cospim20 = _mm_set1_epi32(-cospi[20]); + const __m128i cospim36 = _mm_set1_epi32(-cospi[36]); + const __m128i cospim4 = _mm_set1_epi32(-cospi[4]); + const __m128i cospi56 = _mm_set1_epi32(cospi[56]); + const __m128i cospi24 = _mm_set1_epi32(cospi[24]); + const __m128i cospi40 = _mm_set1_epi32(cospi[40]); + const __m128i cospi8 = _mm_set1_epi32(cospi[8]); + const __m128i cospim40 = _mm_set1_epi32(-cospi[40]); + const __m128i cospim8 = _mm_set1_epi32(-cospi[8]); + const __m128i cospim56 = _mm_set1_epi32(-cospi[56]); + const __m128i cospim24 = _mm_set1_epi32(-cospi[24]); + const __m128i cospi32 = _mm_set1_epi32(cospi[32]); + const __m128i cospim32 = _mm_set1_epi32(-cospi[32]); + const __m128i cospi48 = _mm_set1_epi32(cospi[48]); + const __m128i cospim48 = _mm_set1_epi32(-cospi[48]); + const __m128i cospi16 = _mm_set1_epi32(cospi[16]); + const __m128i cospim16 = _mm_set1_epi32(-cospi[16]); + const __m128i rounding = _mm_set1_epi32(1 << (bit - 1)); + const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8)); + const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1))); + const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1); + __m128i bf1[32], bf0[32]; + + // stage 0 + // stage 1 + bf1[0] = in[0]; + bf1[1] = in[16]; + bf1[2] = in[8]; + bf1[3] = in[24]; + bf1[4] = in[4]; + bf1[5] = in[20]; + bf1[6] = in[12]; + bf1[7] = in[28]; + bf1[8] = in[2]; + bf1[9] = in[18]; + bf1[10] = in[10]; + bf1[11] = in[26]; + bf1[12] = in[6]; + bf1[13] = in[22]; + bf1[14] = in[14]; + bf1[15] = in[30]; + bf1[16] = in[1]; + bf1[17] = in[17]; + bf1[18] = in[9]; + bf1[19] = in[25]; + bf1[20] = in[5]; + bf1[21] = in[21]; + bf1[22] = in[13]; + bf1[23] = in[29]; + bf1[24] = in[3]; + bf1[25] = in[19]; + bf1[26] = in[11]; + bf1[27] = in[27]; + bf1[28] = in[7]; + bf1[29] = in[23]; + bf1[30] = in[15]; + bf1[31] = in[31]; + + // stage 2 + bf0[0] = bf1[0]; + bf0[1] = bf1[1]; + bf0[2] = bf1[2]; + bf0[3] = bf1[3]; + bf0[4] = bf1[4]; + bf0[5] = bf1[5]; + bf0[6] = bf1[6]; + bf0[7] = bf1[7]; + bf0[8] = bf1[8]; + bf0[9] = bf1[9]; + bf0[10] = bf1[10]; + bf0[11] = bf1[11]; + bf0[12] = bf1[12]; + bf0[13] = bf1[13]; + bf0[14] = bf1[14]; + bf0[15] = bf1[15]; + bf0[16] = + half_btf_sse4_1(&cospi62, &bf1[16], &cospim2, &bf1[31], &rounding, bit); + bf0[17] = + half_btf_sse4_1(&cospi30, &bf1[17], &cospim34, &bf1[30], &rounding, bit); + bf0[18] = + half_btf_sse4_1(&cospi46, &bf1[18], &cospim18, &bf1[29], &rounding, bit); + bf0[19] = + half_btf_sse4_1(&cospi14, &bf1[19], &cospim50, &bf1[28], &rounding, bit); + bf0[20] = + half_btf_sse4_1(&cospi54, &bf1[20], &cospim10, &bf1[27], &rounding, bit); + bf0[21] = + half_btf_sse4_1(&cospi22, &bf1[21], &cospim42, &bf1[26], &rounding, bit); + bf0[22] = + half_btf_sse4_1(&cospi38, &bf1[22], &cospim26, &bf1[25], &rounding, bit); + bf0[23] = + half_btf_sse4_1(&cospi6, &bf1[23], &cospim58, &bf1[24], &rounding, bit); + bf0[24] = + half_btf_sse4_1(&cospi58, &bf1[23], &cospi6, &bf1[24], &rounding, bit); + bf0[25] = + half_btf_sse4_1(&cospi26, &bf1[22], &cospi38, &bf1[25], &rounding, bit); + bf0[26] = + half_btf_sse4_1(&cospi42, &bf1[21], &cospi22, &bf1[26], &rounding, bit); + bf0[27] = + half_btf_sse4_1(&cospi10, &bf1[20], &cospi54, &bf1[27], &rounding, bit); + bf0[28] = + half_btf_sse4_1(&cospi50, &bf1[19], &cospi14, &bf1[28], &rounding, bit); + bf0[29] = + half_btf_sse4_1(&cospi18, &bf1[18], &cospi46, &bf1[29], &rounding, bit); + bf0[30] = + half_btf_sse4_1(&cospi34, &bf1[17], &cospi30, &bf1[30], &rounding, bit); + bf0[31] = + half_btf_sse4_1(&cospi2, &bf1[16], &cospi62, &bf1[31], &rounding, bit); + + // stage 3 + bf1[0] = bf0[0]; + bf1[1] = bf0[1]; + bf1[2] = bf0[2]; + bf1[3] = bf0[3]; + bf1[4] = bf0[4]; + bf1[5] = bf0[5]; + bf1[6] = bf0[6]; + bf1[7] = bf0[7]; + bf1[8] = + half_btf_sse4_1(&cospi60, &bf0[8], &cospim4, &bf0[15], &rounding, bit); + bf1[9] = + half_btf_sse4_1(&cospi28, &bf0[9], &cospim36, &bf0[14], &rounding, bit); + bf1[10] = + half_btf_sse4_1(&cospi44, &bf0[10], &cospim20, &bf0[13], &rounding, bit); + bf1[11] = + half_btf_sse4_1(&cospi12, &bf0[11], &cospim52, &bf0[12], &rounding, bit); + bf1[12] = + half_btf_sse4_1(&cospi52, &bf0[11], &cospi12, &bf0[12], &rounding, bit); + bf1[13] = + half_btf_sse4_1(&cospi20, &bf0[10], &cospi44, &bf0[13], &rounding, bit); + bf1[14] = + half_btf_sse4_1(&cospi36, &bf0[9], &cospi28, &bf0[14], &rounding, bit); + bf1[15] = + half_btf_sse4_1(&cospi4, &bf0[8], &cospi60, &bf0[15], &rounding, bit); + + addsub_sse4_1(bf0[16], bf0[17], bf1 + 16, bf1 + 17, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[19], bf0[18], bf1 + 19, bf1 + 18, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[20], bf0[21], bf1 + 20, bf1 + 21, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[23], bf0[22], bf1 + 23, bf1 + 22, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[24], bf0[25], bf1 + 24, bf1 + 25, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[27], bf0[26], bf1 + 27, bf1 + 26, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[28], bf0[29], bf1 + 28, bf1 + 29, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[31], bf0[30], bf1 + 31, bf1 + 30, &clamp_lo, &clamp_hi); + + // stage 4 + bf0[0] = bf1[0]; + bf0[1] = bf1[1]; + bf0[2] = bf1[2]; + bf0[3] = bf1[3]; + bf0[4] = + half_btf_sse4_1(&cospi56, &bf1[4], &cospim8, &bf1[7], &rounding, bit); + bf0[5] = + half_btf_sse4_1(&cospi24, &bf1[5], &cospim40, &bf1[6], &rounding, bit); + bf0[6] = + half_btf_sse4_1(&cospi40, &bf1[5], &cospi24, &bf1[6], &rounding, bit); + bf0[7] = half_btf_sse4_1(&cospi8, &bf1[4], &cospi56, &bf1[7], &rounding, bit); + + addsub_sse4_1(bf1[8], bf1[9], bf0 + 8, bf0 + 9, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[11], bf1[10], bf0 + 11, bf0 + 10, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[12], bf1[13], bf0 + 12, bf0 + 13, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[15], bf1[14], bf0 + 15, bf0 + 14, &clamp_lo, &clamp_hi); + + bf0[16] = bf1[16]; + bf0[17] = + half_btf_sse4_1(&cospim8, &bf1[17], &cospi56, &bf1[30], &rounding, bit); + bf0[18] = + half_btf_sse4_1(&cospim56, &bf1[18], &cospim8, &bf1[29], &rounding, bit); + bf0[19] = bf1[19]; + bf0[20] = bf1[20]; + bf0[21] = + half_btf_sse4_1(&cospim40, &bf1[21], &cospi24, &bf1[26], &rounding, bit); + bf0[22] = + half_btf_sse4_1(&cospim24, &bf1[22], &cospim40, &bf1[25], &rounding, bit); + bf0[23] = bf1[23]; + bf0[24] = bf1[24]; + bf0[25] = + half_btf_sse4_1(&cospim40, &bf1[22], &cospi24, &bf1[25], &rounding, bit); + bf0[26] = + half_btf_sse4_1(&cospi24, &bf1[21], &cospi40, &bf1[26], &rounding, bit); + bf0[27] = bf1[27]; + bf0[28] = bf1[28]; + bf0[29] = + half_btf_sse4_1(&cospim8, &bf1[18], &cospi56, &bf1[29], &rounding, bit); + bf0[30] = + half_btf_sse4_1(&cospi56, &bf1[17], &cospi8, &bf1[30], &rounding, bit); + bf0[31] = bf1[31]; + + // stage 5 + bf1[0] = + half_btf_sse4_1(&cospi32, &bf0[0], &cospi32, &bf0[1], &rounding, bit); + bf1[1] = + half_btf_sse4_1(&cospi32, &bf0[0], &cospim32, &bf0[1], &rounding, bit); + bf1[2] = + half_btf_sse4_1(&cospi48, &bf0[2], &cospim16, &bf0[3], &rounding, bit); + bf1[3] = + half_btf_sse4_1(&cospi16, &bf0[2], &cospi48, &bf0[3], &rounding, bit); + addsub_sse4_1(bf0[4], bf0[5], bf1 + 4, bf1 + 5, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[7], bf0[6], bf1 + 7, bf1 + 6, &clamp_lo, &clamp_hi); + bf1[8] = bf0[8]; + bf1[9] = + half_btf_sse4_1(&cospim16, &bf0[9], &cospi48, &bf0[14], &rounding, bit); + bf1[10] = + half_btf_sse4_1(&cospim48, &bf0[10], &cospim16, &bf0[13], &rounding, bit); + bf1[11] = bf0[11]; + bf1[12] = bf0[12]; + bf1[13] = + half_btf_sse4_1(&cospim16, &bf0[10], &cospi48, &bf0[13], &rounding, bit); + bf1[14] = + half_btf_sse4_1(&cospi48, &bf0[9], &cospi16, &bf0[14], &rounding, bit); + bf1[15] = bf0[15]; + addsub_sse4_1(bf0[16], bf0[19], bf1 + 16, bf1 + 19, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[17], bf0[18], bf1 + 17, bf1 + 18, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[23], bf0[20], bf1 + 23, bf1 + 20, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[22], bf0[21], bf1 + 22, bf1 + 21, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[24], bf0[27], bf1 + 24, bf1 + 27, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[25], bf0[26], bf1 + 25, bf1 + 26, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[31], bf0[28], bf1 + 31, bf1 + 28, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[30], bf0[29], bf1 + 30, bf1 + 29, &clamp_lo, &clamp_hi); + + // stage 6 + addsub_sse4_1(bf1[0], bf1[3], bf0 + 0, bf0 + 3, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[1], bf1[2], bf0 + 1, bf0 + 2, &clamp_lo, &clamp_hi); + bf0[4] = bf1[4]; + bf0[5] = + half_btf_sse4_1(&cospim32, &bf1[5], &cospi32, &bf1[6], &rounding, bit); + bf0[6] = + half_btf_sse4_1(&cospi32, &bf1[5], &cospi32, &bf1[6], &rounding, bit); + bf0[7] = bf1[7]; + addsub_sse4_1(bf1[8], bf1[11], bf0 + 8, bf0 + 11, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[9], bf1[10], bf0 + 9, bf0 + 10, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[15], bf1[12], bf0 + 15, bf0 + 12, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[14], bf1[13], bf0 + 14, bf0 + 13, &clamp_lo, &clamp_hi); + bf0[16] = bf1[16]; + bf0[17] = bf1[17]; + bf0[18] = + half_btf_sse4_1(&cospim16, &bf1[18], &cospi48, &bf1[29], &rounding, bit); + bf0[19] = + half_btf_sse4_1(&cospim16, &bf1[19], &cospi48, &bf1[28], &rounding, bit); + bf0[20] = + half_btf_sse4_1(&cospim48, &bf1[20], &cospim16, &bf1[27], &rounding, bit); + bf0[21] = + half_btf_sse4_1(&cospim48, &bf1[21], &cospim16, &bf1[26], &rounding, bit); + bf0[22] = bf1[22]; + bf0[23] = bf1[23]; + bf0[24] = bf1[24]; + bf0[25] = bf1[25]; + bf0[26] = + half_btf_sse4_1(&cospim16, &bf1[21], &cospi48, &bf1[26], &rounding, bit); + bf0[27] = + half_btf_sse4_1(&cospim16, &bf1[20], &cospi48, &bf1[27], &rounding, bit); + bf0[28] = + half_btf_sse4_1(&cospi48, &bf1[19], &cospi16, &bf1[28], &rounding, bit); + bf0[29] = + half_btf_sse4_1(&cospi48, &bf1[18], &cospi16, &bf1[29], &rounding, bit); + bf0[30] = bf1[30]; + bf0[31] = bf1[31]; + + // stage 7 + addsub_sse4_1(bf0[0], bf0[7], bf1 + 0, bf1 + 7, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[1], bf0[6], bf1 + 1, bf1 + 6, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[2], bf0[5], bf1 + 2, bf1 + 5, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[3], bf0[4], bf1 + 3, bf1 + 4, &clamp_lo, &clamp_hi); + bf1[8] = bf0[8]; + bf1[9] = bf0[9]; + bf1[10] = + half_btf_sse4_1(&cospim32, &bf0[10], &cospi32, &bf0[13], &rounding, bit); + bf1[11] = + half_btf_sse4_1(&cospim32, &bf0[11], &cospi32, &bf0[12], &rounding, bit); + bf1[12] = + half_btf_sse4_1(&cospi32, &bf0[11], &cospi32, &bf0[12], &rounding, bit); + bf1[13] = + half_btf_sse4_1(&cospi32, &bf0[10], &cospi32, &bf0[13], &rounding, bit); + bf1[14] = bf0[14]; + bf1[15] = bf0[15]; + addsub_sse4_1(bf0[16], bf0[23], bf1 + 16, bf1 + 23, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[17], bf0[22], bf1 + 17, bf1 + 22, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[18], bf0[21], bf1 + 18, bf1 + 21, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[19], bf0[20], bf1 + 19, bf1 + 20, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[31], bf0[24], bf1 + 31, bf1 + 24, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[30], bf0[25], bf1 + 30, bf1 + 25, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[29], bf0[26], bf1 + 29, bf1 + 26, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf0[28], bf0[27], bf1 + 28, bf1 + 27, &clamp_lo, &clamp_hi); + + // stage 8 + addsub_sse4_1(bf1[0], bf1[15], bf0 + 0, bf0 + 15, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[1], bf1[14], bf0 + 1, bf0 + 14, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[2], bf1[13], bf0 + 2, bf0 + 13, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[3], bf1[12], bf0 + 3, bf0 + 12, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[4], bf1[11], bf0 + 4, bf0 + 11, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[5], bf1[10], bf0 + 5, bf0 + 10, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[6], bf1[9], bf0 + 6, bf0 + 9, &clamp_lo, &clamp_hi); + addsub_sse4_1(bf1[7], bf1[8], bf0 + 7, bf0 + 8, &clamp_lo, &clamp_hi); + bf0[16] = bf1[16]; + bf0[17] = bf1[17]; + bf0[18] = bf1[18]; + bf0[19] = bf1[19]; + bf0[20] = + half_btf_sse4_1(&cospim32, &bf1[20], &cospi32, &bf1[27], &rounding, bit); + bf0[21] = + half_btf_sse4_1(&cospim32, &bf1[21], &cospi32, &bf1[26], &rounding, bit); + bf0[22] = + half_btf_sse4_1(&cospim32, &bf1[22], &cospi32, &bf1[25], &rounding, bit); + bf0[23] = + half_btf_sse4_1(&cospim32, &bf1[23], &cospi32, &bf1[24], &rounding, bit); + bf0[24] = + half_btf_sse4_1(&cospi32, &bf1[23], &cospi32, &bf1[24], &rounding, bit); + bf0[25] = + half_btf_sse4_1(&cospi32, &bf1[22], &cospi32, &bf1[25], &rounding, bit); + bf0[26] = + half_btf_sse4_1(&cospi32, &bf1[21], &cospi32, &bf1[26], &rounding, bit); + bf0[27] = + half_btf_sse4_1(&cospi32, &bf1[20], &cospi32, &bf1[27], &rounding, bit); + bf0[28] = bf1[28]; + bf0[29] = bf1[29]; + bf0[30] = bf1[30]; + bf0[31] = bf1[31]; + + // stage 9 + if (do_cols) { + addsub_no_clamp_sse4_1(bf0[0], bf0[31], out + 0, out + 31); + addsub_no_clamp_sse4_1(bf0[1], bf0[30], out + 1, out + 30); + addsub_no_clamp_sse4_1(bf0[2], bf0[29], out + 2, out + 29); + addsub_no_clamp_sse4_1(bf0[3], bf0[28], out + 3, out + 28); + addsub_no_clamp_sse4_1(bf0[4], bf0[27], out + 4, out + 27); + addsub_no_clamp_sse4_1(bf0[5], bf0[26], out + 5, out + 26); + addsub_no_clamp_sse4_1(bf0[6], bf0[25], out + 6, out + 25); + addsub_no_clamp_sse4_1(bf0[7], bf0[24], out + 7, out + 24); + addsub_no_clamp_sse4_1(bf0[8], bf0[23], out + 8, out + 23); + addsub_no_clamp_sse4_1(bf0[9], bf0[22], out + 9, out + 22); + addsub_no_clamp_sse4_1(bf0[10], bf0[21], out + 10, out + 21); + addsub_no_clamp_sse4_1(bf0[11], bf0[20], out + 11, out + 20); + addsub_no_clamp_sse4_1(bf0[12], bf0[19], out + 12, out + 19); + addsub_no_clamp_sse4_1(bf0[13], bf0[18], out + 13, out + 18); + addsub_no_clamp_sse4_1(bf0[14], bf0[17], out + 14, out + 17); + addsub_no_clamp_sse4_1(bf0[15], bf0[16], out + 15, out + 16); + } else { + const int log_range_out = AOMMAX(16, bd + 6); + const __m128i clamp_lo_out = _mm_set1_epi32(AOMMAX( + -(1 << (log_range_out - 1)), -(1 << (log_range - 1 - out_shift)))); + const __m128i clamp_hi_out = _mm_set1_epi32(AOMMIN( + (1 << (log_range_out - 1)) - 1, (1 << (log_range - 1 - out_shift)))); + + addsub_shift_sse4_1(bf0[0], bf0[31], out + 0, out + 31, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[1], bf0[30], out + 1, out + 30, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[2], bf0[29], out + 2, out + 29, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[3], bf0[28], out + 3, out + 28, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[4], bf0[27], out + 4, out + 27, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[5], bf0[26], out + 5, out + 26, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[6], bf0[25], out + 6, out + 25, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[7], bf0[24], out + 7, out + 24, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[8], bf0[23], out + 8, out + 23, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[9], bf0[22], out + 9, out + 22, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[10], bf0[21], out + 10, out + 21, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[11], bf0[20], out + 11, out + 20, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[12], bf0[19], out + 12, out + 19, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[13], bf0[18], out + 13, out + 18, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[14], bf0[17], out + 14, out + 17, &clamp_lo_out, + &clamp_hi_out, out_shift); + addsub_shift_sse4_1(bf0[15], bf0[16], out + 15, out + 16, &clamp_lo_out, + &clamp_hi_out, out_shift); + } +} + +void av1_highbd_inv_txfm_add_8x8_sse4_1(const tran_low_t *input, uint8_t *dest, + int stride, + const TxfmParam *txfm_param) { + int bd = txfm_param->bd; + const TX_TYPE tx_type = txfm_param->tx_type; + const int32_t *src = cast_to_int32(input); + switch (tx_type) { + // Assembly version doesn't support some transform types, so use C version + // for those. + case V_DCT: + case H_DCT: + case V_ADST: + case H_ADST: + case V_FLIPADST: + case H_FLIPADST: + case IDTX: + av1_inv_txfm2d_add_8x8_c(src, CONVERT_TO_SHORTPTR(dest), stride, tx_type, + bd); + break; + default: + av1_inv_txfm2d_add_8x8_sse4_1(src, CONVERT_TO_SHORTPTR(dest), stride, + tx_type, bd); + break; + } +} + +void av1_highbd_inv_txfm_add_16x8_sse4_1(const tran_low_t *input, uint8_t *dest, + int stride, + const TxfmParam *txfm_param) { + int bd = txfm_param->bd; + const TX_TYPE tx_type = txfm_param->tx_type; + const int32_t *src = cast_to_int32(input); + switch (tx_type) { + // Assembly version doesn't support some transform types, so use C version + // for those. + case V_DCT: + case H_DCT: + case V_ADST: + case H_ADST: + case V_FLIPADST: + case H_FLIPADST: + case IDTX: + av1_inv_txfm2d_add_16x8_c(src, CONVERT_TO_SHORTPTR(dest), stride, + txfm_param->tx_type, txfm_param->bd); + break; + default: + av1_highbd_inv_txfm2d_add_universe_sse4_1(input, dest, stride, tx_type, + txfm_param->tx_size, + txfm_param->eob, bd); + break; + } +} + +void av1_highbd_inv_txfm_add_8x16_sse4_1(const tran_low_t *input, uint8_t *dest, + int stride, + const TxfmParam *txfm_param) { + int bd = txfm_param->bd; + const TX_TYPE tx_type = txfm_param->tx_type; + const int32_t *src = cast_to_int32(input); + switch (tx_type) { + // Assembly version doesn't support some transform types, so use C version + // for those. + case V_DCT: + case H_DCT: + case V_ADST: + case H_ADST: + case V_FLIPADST: + case H_FLIPADST: + case IDTX: + av1_inv_txfm2d_add_8x16_c(src, CONVERT_TO_SHORTPTR(dest), stride, + txfm_param->tx_type, txfm_param->bd); + break; + default: + av1_highbd_inv_txfm2d_add_universe_sse4_1(input, dest, stride, tx_type, + txfm_param->tx_size, + txfm_param->eob, bd); + break; + } +} + +void av1_highbd_inv_txfm_add_16x16_sse4_1(const tran_low_t *input, + uint8_t *dest, int stride, + const TxfmParam *txfm_param) { + int bd = txfm_param->bd; + const TX_TYPE tx_type = txfm_param->tx_type; + const int32_t *src = cast_to_int32(input); + switch (tx_type) { + // Assembly version doesn't support some transform types, so use C version + // for those. + case V_DCT: + case H_DCT: + case V_ADST: + case H_ADST: + case V_FLIPADST: + case H_FLIPADST: + case IDTX: + av1_inv_txfm2d_add_16x16_c(src, CONVERT_TO_SHORTPTR(dest), stride, + tx_type, bd); + break; + default: + av1_highbd_inv_txfm2d_add_universe_sse4_1(input, dest, stride, tx_type, + txfm_param->tx_size, + txfm_param->eob, bd); + break; + } +} + +void av1_highbd_inv_txfm_add_32x32_sse4_1(const tran_low_t *input, + uint8_t *dest, int stride, + const TxfmParam *txfm_param) { + int bd = txfm_param->bd; + const TX_TYPE tx_type = txfm_param->tx_type; + const int32_t *src = cast_to_int32(input); + switch (tx_type) { + case DCT_DCT: + av1_highbd_inv_txfm2d_add_universe_sse4_1(input, dest, stride, tx_type, + txfm_param->tx_size, + txfm_param->eob, bd); + break; + // Assembly version doesn't support IDTX, so use C version for it. + case IDTX: + av1_inv_txfm2d_add_32x32_c(src, CONVERT_TO_SHORTPTR(dest), stride, + tx_type, bd); + break; + default: assert(0); + } +} + +void av1_highbd_inv_txfm_add_4x4_sse4_1(const tran_low_t *input, uint8_t *dest, + int stride, + const TxfmParam *txfm_param) { + assert(av1_ext_tx_used[txfm_param->tx_set_type][txfm_param->tx_type]); + int eob = txfm_param->eob; + int bd = txfm_param->bd; + int lossless = txfm_param->lossless; + const int32_t *src = cast_to_int32(input); + const TX_TYPE tx_type = txfm_param->tx_type; + if (lossless) { + assert(tx_type == DCT_DCT); + av1_highbd_iwht4x4_add(input, dest, stride, eob, bd); + return; + } + switch (tx_type) { + // Assembly version doesn't support some transform types, so use C version + // for those. + case V_DCT: + case H_DCT: + case V_ADST: + case H_ADST: + case V_FLIPADST: + case H_FLIPADST: + case IDTX: + av1_inv_txfm2d_add_4x4_c(src, CONVERT_TO_SHORTPTR(dest), stride, tx_type, + bd); + break; + default: + av1_inv_txfm2d_add_4x4_sse4_1(src, CONVERT_TO_SHORTPTR(dest), stride, + tx_type, bd); + break; + } +} + +static const transform_1d_sse4_1 + highbd_txfm_all_1d_zeros_w8_arr[TX_SIZES][ITX_TYPES_1D][4] = { + { + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL }, + }, + { { idct8x8_low1_sse4_1, idct8x8_new_sse4_1, NULL, NULL }, + { iadst8x8_low1_sse4_1, iadst8x8_new_sse4_1, NULL, NULL }, + { NULL, NULL, NULL, NULL } }, + { + { idct16x16_low1_sse4_1, idct16x16_low8_sse4_1, idct16x16_sse4_1, + NULL }, + { iadst16x16_low1_sse4_1, iadst16x16_low8_sse4_1, iadst16x16_sse4_1, + NULL }, + { NULL, NULL, NULL, NULL }, + }, + { { idct32x32_low1_sse4_1, idct32x32_low8_sse4_1, idct32x32_low16_sse4_1, + idct32x32_sse4_1 }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL } }, + { { idct64x64_low1_sse4_1, idct64x64_low8_sse4_1, idct64x64_low16_sse4_1, + idct64x64_sse4_1 }, + { NULL, NULL, NULL, NULL }, + { NULL, NULL, NULL, NULL } } + }; + +static void highbd_inv_txfm2d_add_no_identity_sse41(const int32_t *input, + uint16_t *output, + int stride, TX_TYPE tx_type, + TX_SIZE tx_size, int eob, + const int bd) { + __m128i buf1[64 * 16]; + int eobx, eoby; + get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob); + const int8_t *shift = inv_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int txfm_size_col = tx_size_wide[tx_size]; + const int txfm_size_row = tx_size_high[tx_size]; + const int buf_size_w_div8 = txfm_size_col >> 2; + const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3; + const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3; + const int input_stride = AOMMIN(32, txfm_size_col); + const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row); + + const int fun_idx_x = lowbd_txfm_all_1d_zeros_idx[eobx]; + const int fun_idx_y = lowbd_txfm_all_1d_zeros_idx[eoby]; + const transform_1d_sse4_1 row_txfm = + highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x]; + const transform_1d_sse4_1 col_txfm = + highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y]; + + assert(col_txfm != NULL); + assert(row_txfm != NULL); + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + // 1st stage: column transform + for (int i = 0; i < buf_size_nonzero_h_div8 << 1; i++) { + __m128i buf0[64]; + const int32_t *input_row = input + i * input_stride * 4; + for (int j = 0; j < buf_size_nonzero_w_div8 << 1; ++j) { + __m128i *buf0_cur = buf0 + j * 4; + load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4); + + TRANSPOSE_4X4(buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3], + buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3]); + } + if (rect_type == 1 || rect_type == -1) { + av1_round_shift_rect_array_32_sse4_1( + buf0, buf0, buf_size_nonzero_w_div8 << 3, 0, NewInvSqrt2); + } + row_txfm(buf0, buf0, inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]); + + __m128i *_buf1 = buf1 + i * 4; + if (lr_flip) { + for (int j = 0; j < buf_size_w_div8; ++j) { + TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1], + buf0[4 * j], + _buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 0], + _buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 1], + _buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 2], + _buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 3]); + } + } else { + for (int j = 0; j < buf_size_w_div8; ++j) { + TRANSPOSE_4X4( + buf0[j * 4 + 0], buf0[j * 4 + 1], buf0[j * 4 + 2], buf0[j * 4 + 3], + _buf1[j * txfm_size_row + 0], _buf1[j * txfm_size_row + 1], + _buf1[j * txfm_size_row + 2], _buf1[j * txfm_size_row + 3]); + } + } + } + // 2nd stage: column transform + for (int i = 0; i < buf_size_w_div8; i++) { + col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row, + inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0); + + av1_round_shift_array_32_sse4_1(buf1 + i * txfm_size_row, + buf1 + i * txfm_size_row, txfm_size_row, + -shift[1]); + } + + // write to buffer + { + for (int i = 0; i < (txfm_size_col >> 3); i++) { + highbd_write_buffer_8xn_sse4_1(buf1 + i * txfm_size_row * 2, + output + 8 * i, stride, ud_flip, + txfm_size_row, bd); + } + } +} + +void av1_highbd_inv_txfm2d_add_universe_sse4_1(const int32_t *input, + uint8_t *output, int stride, + TX_TYPE tx_type, TX_SIZE tx_size, + int eob, const int bd) { + switch (tx_type) { + case DCT_DCT: + case ADST_DCT: + case DCT_ADST: + case ADST_ADST: + case FLIPADST_DCT: + case DCT_FLIPADST: + case FLIPADST_FLIPADST: + case ADST_FLIPADST: + case FLIPADST_ADST: + highbd_inv_txfm2d_add_no_identity_sse41( + input, CONVERT_TO_SHORTPTR(output), stride, tx_type, tx_size, eob, + bd); + break; + default: assert(0); break; + } +} + +void av1_highbd_inv_txfm_add_sse4_1(const tran_low_t *input, uint8_t *dest, + int stride, const TxfmParam *txfm_param) { + assert(av1_ext_tx_used[txfm_param->tx_set_type][txfm_param->tx_type]); + const TX_SIZE tx_size = txfm_param->tx_size; + switch (tx_size) { + case TX_32X32: + av1_highbd_inv_txfm_add_32x32_sse4_1(input, dest, stride, txfm_param); + break; + case TX_16X16: + av1_highbd_inv_txfm_add_16x16_sse4_1(input, dest, stride, txfm_param); + break; + case TX_8X8: + av1_highbd_inv_txfm_add_8x8_sse4_1(input, dest, stride, txfm_param); + break; + case TX_4X8: + av1_highbd_inv_txfm_add_4x8(input, dest, stride, txfm_param); + break; + case TX_8X4: + av1_highbd_inv_txfm_add_8x4(input, dest, stride, txfm_param); + break; + case TX_8X16: + av1_highbd_inv_txfm_add_8x16_sse4_1(input, dest, stride, txfm_param); + break; + case TX_16X8: + av1_highbd_inv_txfm_add_16x8_sse4_1(input, dest, stride, txfm_param); + break; + case TX_16X32: + av1_highbd_inv_txfm_add_16x32(input, dest, stride, txfm_param); + break; + case TX_32X16: + av1_highbd_inv_txfm_add_32x16(input, dest, stride, txfm_param); + break; + case TX_32X64: + av1_highbd_inv_txfm_add_32x64(input, dest, stride, txfm_param); + break; + case TX_64X32: + av1_highbd_inv_txfm_add_64x32(input, dest, stride, txfm_param); + break; + case TX_4X4: + av1_highbd_inv_txfm_add_4x4_sse4_1(input, dest, stride, txfm_param); + break; + case TX_16X4: + av1_highbd_inv_txfm_add_16x4(input, dest, stride, txfm_param); + break; + case TX_4X16: + av1_highbd_inv_txfm_add_4x16(input, dest, stride, txfm_param); + break; + case TX_8X32: + av1_highbd_inv_txfm_add_8x32(input, dest, stride, txfm_param); + break; + case TX_32X8: + av1_highbd_inv_txfm_add_32x8(input, dest, stride, txfm_param); + break; + case TX_64X64: + case TX_16X64: + case TX_64X16: + av1_highbd_inv_txfm2d_add_universe_sse4_1( + input, dest, stride, txfm_param->tx_type, txfm_param->tx_size, + txfm_param->eob, txfm_param->bd); + break; + default: assert(0 && "Invalid transform size"); break; + } +} |