diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/fwd_txfm_impl_sse2.h')
-rw-r--r-- | third_party/aom/aom_dsp/x86/fwd_txfm_impl_sse2.h | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/third_party/aom/aom_dsp/x86/fwd_txfm_impl_sse2.h b/third_party/aom/aom_dsp/x86/fwd_txfm_impl_sse2.h deleted file mode 100644 index 1e3d13ec8..000000000 --- a/third_party/aom/aom_dsp/x86/fwd_txfm_impl_sse2.h +++ /dev/null @@ -1,344 +0,0 @@ -/* - * 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 <emmintrin.h> // SSE2 - -#include "config/aom_dsp_rtcd.h" - -#include "aom_dsp/txfm_common.h" -#include "aom_dsp/x86/fwd_txfm_sse2.h" -#include "aom_dsp/x86/txfm_common_sse2.h" -#include "aom_ports/mem.h" - -// TODO(jingning) The high bit-depth functions need rework for performance. -// After we properly fix the high bit-depth function implementations, this -// file's dependency should be substantially simplified. -#if DCT_HIGH_BIT_DEPTH -#define ADD_EPI16 _mm_adds_epi16 -#define SUB_EPI16 _mm_subs_epi16 - -#else -#define ADD_EPI16 _mm_add_epi16 -#define SUB_EPI16 _mm_sub_epi16 -#endif - -void FDCT8x8_2D(const int16_t *input, tran_low_t *output, int stride) { - int pass; - // Constants - // When we use them, in one case, they are all the same. In all others - // it's a pair of them that we need to repeat four times. This is done - // by constructing the 32 bit constant corresponding to that pair. - const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); - const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); - const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); - const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); - const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); - const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); - const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); - const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); - const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); -#if DCT_HIGH_BIT_DEPTH - int overflow; -#endif - // Load input - __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride)); - __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride)); - __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride)); - __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride)); - __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride)); - __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride)); - __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride)); - __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride)); - // Pre-condition input (shift by two) - in0 = _mm_slli_epi16(in0, 2); - in1 = _mm_slli_epi16(in1, 2); - in2 = _mm_slli_epi16(in2, 2); - in3 = _mm_slli_epi16(in3, 2); - in4 = _mm_slli_epi16(in4, 2); - in5 = _mm_slli_epi16(in5, 2); - in6 = _mm_slli_epi16(in6, 2); - in7 = _mm_slli_epi16(in7, 2); - - // We do two passes, first the columns, then the rows. The results of the - // first pass are transposed so that the same column code can be reused. The - // results of the second pass are also transposed so that the rows (processed - // as columns) are put back in row positions. - for (pass = 0; pass < 2; pass++) { - // To store results of each pass before the transpose. - __m128i res0, res1, res2, res3, res4, res5, res6, res7; - // Add/subtract - const __m128i q0 = ADD_EPI16(in0, in7); - const __m128i q1 = ADD_EPI16(in1, in6); - const __m128i q2 = ADD_EPI16(in2, in5); - const __m128i q3 = ADD_EPI16(in3, in4); - const __m128i q4 = SUB_EPI16(in3, in4); - const __m128i q5 = SUB_EPI16(in2, in5); - const __m128i q6 = SUB_EPI16(in1, in6); - const __m128i q7 = SUB_EPI16(in0, in7); -#if DCT_HIGH_BIT_DEPTH - if (pass == 1) { - overflow = - check_epi16_overflow_x8(&q0, &q1, &q2, &q3, &q4, &q5, &q6, &q7); - if (overflow) { - aom_highbd_fdct8x8_c(input, output, stride); - return; - } - } -#endif // DCT_HIGH_BIT_DEPTH - // Work on first four results - { - // Add/subtract - const __m128i r0 = ADD_EPI16(q0, q3); - const __m128i r1 = ADD_EPI16(q1, q2); - const __m128i r2 = SUB_EPI16(q1, q2); - const __m128i r3 = SUB_EPI16(q0, q3); -#if DCT_HIGH_BIT_DEPTH - overflow = check_epi16_overflow_x4(&r0, &r1, &r2, &r3); - if (overflow) { - aom_highbd_fdct8x8_c(input, output, stride); - return; - } -#endif // DCT_HIGH_BIT_DEPTH - // Interleave to do the multiply by constants which gets us into 32bits - { - const __m128i t0 = _mm_unpacklo_epi16(r0, r1); - const __m128i t1 = _mm_unpackhi_epi16(r0, r1); - const __m128i t2 = _mm_unpacklo_epi16(r2, r3); - const __m128i t3 = _mm_unpackhi_epi16(r2, r3); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16); - const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16); - const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16); - const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08); - const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08); - const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24); - const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24); - // dct_const_round_shift - const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); - const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); - const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); - const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); - const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); - const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); - const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); - const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); - const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); - const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS); - const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); - const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS); - const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); - const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS); - const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); - const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS); - // Combine - res0 = _mm_packs_epi32(w0, w1); - res4 = _mm_packs_epi32(w2, w3); - res2 = _mm_packs_epi32(w4, w5); - res6 = _mm_packs_epi32(w6, w7); -#if DCT_HIGH_BIT_DEPTH - overflow = check_epi16_overflow_x4(&res0, &res4, &res2, &res6); - if (overflow) { - aom_highbd_fdct8x8_c(input, output, stride); - return; - } -#endif // DCT_HIGH_BIT_DEPTH - } - } - // Work on next four results - { - // Interleave to do the multiply by constants which gets us into 32bits - const __m128i d0 = _mm_unpacklo_epi16(q6, q5); - const __m128i d1 = _mm_unpackhi_epi16(q6, q5); - const __m128i e0 = _mm_madd_epi16(d0, k__cospi_p16_m16); - const __m128i e1 = _mm_madd_epi16(d1, k__cospi_p16_m16); - const __m128i e2 = _mm_madd_epi16(d0, k__cospi_p16_p16); - const __m128i e3 = _mm_madd_epi16(d1, k__cospi_p16_p16); - // dct_const_round_shift - const __m128i f0 = _mm_add_epi32(e0, k__DCT_CONST_ROUNDING); - const __m128i f1 = _mm_add_epi32(e1, k__DCT_CONST_ROUNDING); - const __m128i f2 = _mm_add_epi32(e2, k__DCT_CONST_ROUNDING); - const __m128i f3 = _mm_add_epi32(e3, k__DCT_CONST_ROUNDING); - const __m128i s0 = _mm_srai_epi32(f0, DCT_CONST_BITS); - const __m128i s1 = _mm_srai_epi32(f1, DCT_CONST_BITS); - const __m128i s2 = _mm_srai_epi32(f2, DCT_CONST_BITS); - const __m128i s3 = _mm_srai_epi32(f3, DCT_CONST_BITS); - // Combine - const __m128i r0 = _mm_packs_epi32(s0, s1); - const __m128i r1 = _mm_packs_epi32(s2, s3); -#if DCT_HIGH_BIT_DEPTH - overflow = check_epi16_overflow_x2(&r0, &r1); - if (overflow) { - aom_highbd_fdct8x8_c(input, output, stride); - return; - } -#endif // DCT_HIGH_BIT_DEPTH - { - // Add/subtract - const __m128i x0 = ADD_EPI16(q4, r0); - const __m128i x1 = SUB_EPI16(q4, r0); - const __m128i x2 = SUB_EPI16(q7, r1); - const __m128i x3 = ADD_EPI16(q7, r1); -#if DCT_HIGH_BIT_DEPTH - overflow = check_epi16_overflow_x4(&x0, &x1, &x2, &x3); - if (overflow) { - aom_highbd_fdct8x8_c(input, output, stride); - return; - } -#endif // DCT_HIGH_BIT_DEPTH - // Interleave to do the multiply by constants which gets us into 32bits - { - const __m128i t0 = _mm_unpacklo_epi16(x0, x3); - const __m128i t1 = _mm_unpackhi_epi16(x0, x3); - const __m128i t2 = _mm_unpacklo_epi16(x1, x2); - const __m128i t3 = _mm_unpackhi_epi16(x1, x2); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04); - const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28); - const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28); - const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20); - const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20); - const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12); - const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12); - // dct_const_round_shift - const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); - const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); - const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); - const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); - const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); - const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); - const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); - const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); - const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); - const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS); - const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); - const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS); - const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); - const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS); - const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); - const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS); - // Combine - res1 = _mm_packs_epi32(w0, w1); - res7 = _mm_packs_epi32(w2, w3); - res5 = _mm_packs_epi32(w4, w5); - res3 = _mm_packs_epi32(w6, w7); -#if DCT_HIGH_BIT_DEPTH - overflow = check_epi16_overflow_x4(&res1, &res7, &res5, &res3); - if (overflow) { - aom_highbd_fdct8x8_c(input, output, stride); - return; - } -#endif // DCT_HIGH_BIT_DEPTH - } - } - } - // Transpose the 8x8. - { - // 00 01 02 03 04 05 06 07 - // 10 11 12 13 14 15 16 17 - // 20 21 22 23 24 25 26 27 - // 30 31 32 33 34 35 36 37 - // 40 41 42 43 44 45 46 47 - // 50 51 52 53 54 55 56 57 - // 60 61 62 63 64 65 66 67 - // 70 71 72 73 74 75 76 77 - const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1); - const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3); - const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1); - const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3); - const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5); - const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7); - const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5); - const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7); - // 00 10 01 11 02 12 03 13 - // 20 30 21 31 22 32 23 33 - // 04 14 05 15 06 16 07 17 - // 24 34 25 35 26 36 27 37 - // 40 50 41 51 42 52 43 53 - // 60 70 61 71 62 72 63 73 - // 54 54 55 55 56 56 57 57 - // 64 74 65 75 66 76 67 77 - const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); - const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); - const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); - const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); - const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); - const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); - const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); - const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); - // 00 10 20 30 01 11 21 31 - // 40 50 60 70 41 51 61 71 - // 02 12 22 32 03 13 23 33 - // 42 52 62 72 43 53 63 73 - // 04 14 24 34 05 15 21 36 - // 44 54 64 74 45 55 61 76 - // 06 16 26 36 07 17 27 37 - // 46 56 66 76 47 57 67 77 - in0 = _mm_unpacklo_epi64(tr1_0, tr1_4); - in1 = _mm_unpackhi_epi64(tr1_0, tr1_4); - in2 = _mm_unpacklo_epi64(tr1_2, tr1_6); - in3 = _mm_unpackhi_epi64(tr1_2, tr1_6); - in4 = _mm_unpacklo_epi64(tr1_1, tr1_5); - in5 = _mm_unpackhi_epi64(tr1_1, tr1_5); - in6 = _mm_unpacklo_epi64(tr1_3, tr1_7); - in7 = _mm_unpackhi_epi64(tr1_3, tr1_7); - // 00 10 20 30 40 50 60 70 - // 01 11 21 31 41 51 61 71 - // 02 12 22 32 42 52 62 72 - // 03 13 23 33 43 53 63 73 - // 04 14 24 34 44 54 64 74 - // 05 15 25 35 45 55 65 75 - // 06 16 26 36 46 56 66 76 - // 07 17 27 37 47 57 67 77 - } - } - // Post-condition output and store it - { - // Post-condition (division by two) - // division of two 16 bits signed numbers using shifts - // n / 2 = (n - (n >> 15)) >> 1 - const __m128i sign_in0 = _mm_srai_epi16(in0, 15); - const __m128i sign_in1 = _mm_srai_epi16(in1, 15); - const __m128i sign_in2 = _mm_srai_epi16(in2, 15); - const __m128i sign_in3 = _mm_srai_epi16(in3, 15); - const __m128i sign_in4 = _mm_srai_epi16(in4, 15); - const __m128i sign_in5 = _mm_srai_epi16(in5, 15); - const __m128i sign_in6 = _mm_srai_epi16(in6, 15); - const __m128i sign_in7 = _mm_srai_epi16(in7, 15); - in0 = _mm_sub_epi16(in0, sign_in0); - in1 = _mm_sub_epi16(in1, sign_in1); - in2 = _mm_sub_epi16(in2, sign_in2); - in3 = _mm_sub_epi16(in3, sign_in3); - in4 = _mm_sub_epi16(in4, sign_in4); - in5 = _mm_sub_epi16(in5, sign_in5); - in6 = _mm_sub_epi16(in6, sign_in6); - in7 = _mm_sub_epi16(in7, sign_in7); - in0 = _mm_srai_epi16(in0, 1); - in1 = _mm_srai_epi16(in1, 1); - in2 = _mm_srai_epi16(in2, 1); - in3 = _mm_srai_epi16(in3, 1); - in4 = _mm_srai_epi16(in4, 1); - in5 = _mm_srai_epi16(in5, 1); - in6 = _mm_srai_epi16(in6, 1); - in7 = _mm_srai_epi16(in7, 1); - // store results - store_output(&in0, (output + 0 * 8)); - store_output(&in1, (output + 1 * 8)); - store_output(&in2, (output + 2 * 8)); - store_output(&in3, (output + 3 * 8)); - store_output(&in4, (output + 4 * 8)); - store_output(&in5, (output + 5 * 8)); - store_output(&in6, (output + 6 * 8)); - store_output(&in7, (output + 7 * 8)); - } -} - -#undef ADD_EPI16 -#undef SUB_EPI16 |