diff options
Diffstat (limited to 'vp10/encoder/x86/dct_ssse3.c')
| -rw-r--r-- | vp10/encoder/x86/dct_ssse3.c | 472 |
1 files changed, 0 insertions, 472 deletions
diff --git a/vp10/encoder/x86/dct_ssse3.c b/vp10/encoder/x86/dct_ssse3.c deleted file mode 100644 index df298d871..000000000 --- a/vp10/encoder/x86/dct_ssse3.c +++ /dev/null @@ -1,472 +0,0 @@ -/* - * Copyright (c) 2014 The WebM project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <assert.h> -#if defined(_MSC_VER) && _MSC_VER <= 1500 -// Need to include math.h before calling tmmintrin.h/intrin.h -// in certain versions of MSVS. -#include <math.h> -#endif -#include <tmmintrin.h> // SSSE3 - -#include "./vp10_rtcd.h" -#include "vpx_dsp/x86/inv_txfm_sse2.h" -#include "vpx_dsp/x86/txfm_common_sse2.h" - -void vp10_fdct8x8_quant_ssse3(const int16_t *input, int stride, - int16_t* coeff_ptr, intptr_t n_coeffs, - int skip_block, const int16_t* zbin_ptr, - const int16_t* round_ptr, const int16_t* quant_ptr, - const int16_t* quant_shift_ptr, - int16_t* qcoeff_ptr, - int16_t* dqcoeff_ptr, const int16_t* dequant_ptr, - uint16_t* eob_ptr, - const int16_t* scan_ptr, - const int16_t* iscan_ptr) { - __m128i zero; - int pass; - // Constants - // When we use them, in one case, they are all the same. In all others - // it's a pair of them that we need to repeat four times. This is done - // by constructing the 32 bit constant corresponding to that pair. - const __m128i k__dual_p16_p16 = dual_set_epi16(23170, 23170); - const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64); - const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64); - const __m128i k__cospi_p24_p08 = pair_set_epi16(cospi_24_64, cospi_8_64); - const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64); - const __m128i k__cospi_p28_p04 = pair_set_epi16(cospi_28_64, cospi_4_64); - const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64); - const __m128i k__cospi_p12_p20 = pair_set_epi16(cospi_12_64, cospi_20_64); - const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64); - const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); - // Load input - __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride)); - __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride)); - __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride)); - __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride)); - __m128i in4 = _mm_load_si128((const __m128i *)(input + 4 * stride)); - __m128i in5 = _mm_load_si128((const __m128i *)(input + 5 * stride)); - __m128i in6 = _mm_load_si128((const __m128i *)(input + 6 * stride)); - __m128i in7 = _mm_load_si128((const __m128i *)(input + 7 * stride)); - __m128i *in[8]; - int index = 0; - - (void)scan_ptr; - (void)zbin_ptr; - (void)quant_shift_ptr; - (void)coeff_ptr; - - // Pre-condition input (shift by two) - in0 = _mm_slli_epi16(in0, 2); - in1 = _mm_slli_epi16(in1, 2); - in2 = _mm_slli_epi16(in2, 2); - in3 = _mm_slli_epi16(in3, 2); - in4 = _mm_slli_epi16(in4, 2); - in5 = _mm_slli_epi16(in5, 2); - in6 = _mm_slli_epi16(in6, 2); - in7 = _mm_slli_epi16(in7, 2); - - in[0] = &in0; - in[1] = &in1; - in[2] = &in2; - in[3] = &in3; - in[4] = &in4; - in[5] = &in5; - in[6] = &in6; - in[7] = &in7; - - // We do two passes, first the columns, then the rows. The results of the - // first pass are transposed so that the same column code can be reused. The - // results of the second pass are also transposed so that the rows (processed - // as columns) are put back in row positions. - for (pass = 0; pass < 2; pass++) { - // To store results of each pass before the transpose. - __m128i res0, res1, res2, res3, res4, res5, res6, res7; - // Add/subtract - const __m128i q0 = _mm_add_epi16(in0, in7); - const __m128i q1 = _mm_add_epi16(in1, in6); - const __m128i q2 = _mm_add_epi16(in2, in5); - const __m128i q3 = _mm_add_epi16(in3, in4); - const __m128i q4 = _mm_sub_epi16(in3, in4); - const __m128i q5 = _mm_sub_epi16(in2, in5); - const __m128i q6 = _mm_sub_epi16(in1, in6); - const __m128i q7 = _mm_sub_epi16(in0, in7); - // Work on first four results - { - // Add/subtract - const __m128i r0 = _mm_add_epi16(q0, q3); - const __m128i r1 = _mm_add_epi16(q1, q2); - const __m128i r2 = _mm_sub_epi16(q1, q2); - const __m128i r3 = _mm_sub_epi16(q0, q3); - // Interleave to do the multiply by constants which gets us into 32bits - const __m128i t0 = _mm_unpacklo_epi16(r0, r1); - const __m128i t1 = _mm_unpackhi_epi16(r0, r1); - const __m128i t2 = _mm_unpacklo_epi16(r2, r3); - const __m128i t3 = _mm_unpackhi_epi16(r2, r3); - - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p16_p16); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p16_p16); - const __m128i u2 = _mm_madd_epi16(t0, k__cospi_p16_m16); - const __m128i u3 = _mm_madd_epi16(t1, k__cospi_p16_m16); - - const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p24_p08); - const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p24_p08); - const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m08_p24); - const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m08_p24); - // dct_const_round_shift - - const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); - const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); - const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); - const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); - - const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); - const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); - const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); - const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); - - const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); - const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS); - const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); - const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS); - - const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); - const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS); - const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); - const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS); - // Combine - - res0 = _mm_packs_epi32(w0, w1); - res4 = _mm_packs_epi32(w2, w3); - res2 = _mm_packs_epi32(w4, w5); - res6 = _mm_packs_epi32(w6, w7); - } - // Work on next four results - { - // Interleave to do the multiply by constants which gets us into 32bits - const __m128i d0 = _mm_sub_epi16(q6, q5); - const __m128i d1 = _mm_add_epi16(q6, q5); - const __m128i r0 = _mm_mulhrs_epi16(d0, k__dual_p16_p16); - const __m128i r1 = _mm_mulhrs_epi16(d1, k__dual_p16_p16); - - // Add/subtract - const __m128i x0 = _mm_add_epi16(q4, r0); - const __m128i x1 = _mm_sub_epi16(q4, r0); - const __m128i x2 = _mm_sub_epi16(q7, r1); - const __m128i x3 = _mm_add_epi16(q7, r1); - // Interleave to do the multiply by constants which gets us into 32bits - const __m128i t0 = _mm_unpacklo_epi16(x0, x3); - const __m128i t1 = _mm_unpackhi_epi16(x0, x3); - const __m128i t2 = _mm_unpacklo_epi16(x1, x2); - const __m128i t3 = _mm_unpackhi_epi16(x1, x2); - const __m128i u0 = _mm_madd_epi16(t0, k__cospi_p28_p04); - const __m128i u1 = _mm_madd_epi16(t1, k__cospi_p28_p04); - const __m128i u2 = _mm_madd_epi16(t0, k__cospi_m04_p28); - const __m128i u3 = _mm_madd_epi16(t1, k__cospi_m04_p28); - const __m128i u4 = _mm_madd_epi16(t2, k__cospi_p12_p20); - const __m128i u5 = _mm_madd_epi16(t3, k__cospi_p12_p20); - const __m128i u6 = _mm_madd_epi16(t2, k__cospi_m20_p12); - const __m128i u7 = _mm_madd_epi16(t3, k__cospi_m20_p12); - // dct_const_round_shift - const __m128i v0 = _mm_add_epi32(u0, k__DCT_CONST_ROUNDING); - const __m128i v1 = _mm_add_epi32(u1, k__DCT_CONST_ROUNDING); - const __m128i v2 = _mm_add_epi32(u2, k__DCT_CONST_ROUNDING); - const __m128i v3 = _mm_add_epi32(u3, k__DCT_CONST_ROUNDING); - const __m128i v4 = _mm_add_epi32(u4, k__DCT_CONST_ROUNDING); - const __m128i v5 = _mm_add_epi32(u5, k__DCT_CONST_ROUNDING); - const __m128i v6 = _mm_add_epi32(u6, k__DCT_CONST_ROUNDING); - const __m128i v7 = _mm_add_epi32(u7, k__DCT_CONST_ROUNDING); - const __m128i w0 = _mm_srai_epi32(v0, DCT_CONST_BITS); - const __m128i w1 = _mm_srai_epi32(v1, DCT_CONST_BITS); - const __m128i w2 = _mm_srai_epi32(v2, DCT_CONST_BITS); - const __m128i w3 = _mm_srai_epi32(v3, DCT_CONST_BITS); - const __m128i w4 = _mm_srai_epi32(v4, DCT_CONST_BITS); - const __m128i w5 = _mm_srai_epi32(v5, DCT_CONST_BITS); - const __m128i w6 = _mm_srai_epi32(v6, DCT_CONST_BITS); - const __m128i w7 = _mm_srai_epi32(v7, DCT_CONST_BITS); - // Combine - res1 = _mm_packs_epi32(w0, w1); - res7 = _mm_packs_epi32(w2, w3); - res5 = _mm_packs_epi32(w4, w5); - res3 = _mm_packs_epi32(w6, w7); - } - // Transpose the 8x8. - { - // 00 01 02 03 04 05 06 07 - // 10 11 12 13 14 15 16 17 - // 20 21 22 23 24 25 26 27 - // 30 31 32 33 34 35 36 37 - // 40 41 42 43 44 45 46 47 - // 50 51 52 53 54 55 56 57 - // 60 61 62 63 64 65 66 67 - // 70 71 72 73 74 75 76 77 - const __m128i tr0_0 = _mm_unpacklo_epi16(res0, res1); - const __m128i tr0_1 = _mm_unpacklo_epi16(res2, res3); - const __m128i tr0_2 = _mm_unpackhi_epi16(res0, res1); - const __m128i tr0_3 = _mm_unpackhi_epi16(res2, res3); - const __m128i tr0_4 = _mm_unpacklo_epi16(res4, res5); - const __m128i tr0_5 = _mm_unpacklo_epi16(res6, res7); - const __m128i tr0_6 = _mm_unpackhi_epi16(res4, res5); - const __m128i tr0_7 = _mm_unpackhi_epi16(res6, res7); - // 00 10 01 11 02 12 03 13 - // 20 30 21 31 22 32 23 33 - // 04 14 05 15 06 16 07 17 - // 24 34 25 35 26 36 27 37 - // 40 50 41 51 42 52 43 53 - // 60 70 61 71 62 72 63 73 - // 54 54 55 55 56 56 57 57 - // 64 74 65 75 66 76 67 77 - const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); - const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); - const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); - const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); - const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); - const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); - const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); - const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); - // 00 10 20 30 01 11 21 31 - // 40 50 60 70 41 51 61 71 - // 02 12 22 32 03 13 23 33 - // 42 52 62 72 43 53 63 73 - // 04 14 24 34 05 15 21 36 - // 44 54 64 74 45 55 61 76 - // 06 16 26 36 07 17 27 37 - // 46 56 66 76 47 57 67 77 - in0 = _mm_unpacklo_epi64(tr1_0, tr1_4); - in1 = _mm_unpackhi_epi64(tr1_0, tr1_4); - in2 = _mm_unpacklo_epi64(tr1_2, tr1_6); - in3 = _mm_unpackhi_epi64(tr1_2, tr1_6); - in4 = _mm_unpacklo_epi64(tr1_1, tr1_5); - in5 = _mm_unpackhi_epi64(tr1_1, tr1_5); - in6 = _mm_unpacklo_epi64(tr1_3, tr1_7); - in7 = _mm_unpackhi_epi64(tr1_3, tr1_7); - // 00 10 20 30 40 50 60 70 - // 01 11 21 31 41 51 61 71 - // 02 12 22 32 42 52 62 72 - // 03 13 23 33 43 53 63 73 - // 04 14 24 34 44 54 64 74 - // 05 15 25 35 45 55 65 75 - // 06 16 26 36 46 56 66 76 - // 07 17 27 37 47 57 67 77 - } - } - // Post-condition output and store it - { - // Post-condition (division by two) - // division of two 16 bits signed numbers using shifts - // n / 2 = (n - (n >> 15)) >> 1 - const __m128i sign_in0 = _mm_srai_epi16(in0, 15); - const __m128i sign_in1 = _mm_srai_epi16(in1, 15); - const __m128i sign_in2 = _mm_srai_epi16(in2, 15); - const __m128i sign_in3 = _mm_srai_epi16(in3, 15); - const __m128i sign_in4 = _mm_srai_epi16(in4, 15); - const __m128i sign_in5 = _mm_srai_epi16(in5, 15); - const __m128i sign_in6 = _mm_srai_epi16(in6, 15); - const __m128i sign_in7 = _mm_srai_epi16(in7, 15); - in0 = _mm_sub_epi16(in0, sign_in0); - in1 = _mm_sub_epi16(in1, sign_in1); - in2 = _mm_sub_epi16(in2, sign_in2); - in3 = _mm_sub_epi16(in3, sign_in3); - in4 = _mm_sub_epi16(in4, sign_in4); - in5 = _mm_sub_epi16(in5, sign_in5); - in6 = _mm_sub_epi16(in6, sign_in6); - in7 = _mm_sub_epi16(in7, sign_in7); - in0 = _mm_srai_epi16(in0, 1); - in1 = _mm_srai_epi16(in1, 1); - in2 = _mm_srai_epi16(in2, 1); - in3 = _mm_srai_epi16(in3, 1); - in4 = _mm_srai_epi16(in4, 1); - in5 = _mm_srai_epi16(in5, 1); - in6 = _mm_srai_epi16(in6, 1); - in7 = _mm_srai_epi16(in7, 1); - } - - iscan_ptr += n_coeffs; - qcoeff_ptr += n_coeffs; - dqcoeff_ptr += n_coeffs; - n_coeffs = -n_coeffs; - zero = _mm_setzero_si128(); - - if (!skip_block) { - __m128i eob; - __m128i round, quant, dequant, thr; - int16_t nzflag; - { - __m128i coeff0, coeff1; - - // Setup global values - { - round = _mm_load_si128((const __m128i*)round_ptr); - quant = _mm_load_si128((const __m128i*)quant_ptr); - dequant = _mm_load_si128((const __m128i*)dequant_ptr); - } - - { - __m128i coeff0_sign, coeff1_sign; - __m128i qcoeff0, qcoeff1; - __m128i qtmp0, qtmp1; - // Do DC and first 15 AC - coeff0 = *in[0]; - coeff1 = *in[1]; - - // Poor man's sign extract - coeff0_sign = _mm_srai_epi16(coeff0, 15); - coeff1_sign = _mm_srai_epi16(coeff1, 15); - qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign); - qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign); - qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); - qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); - - qcoeff0 = _mm_adds_epi16(qcoeff0, round); - round = _mm_unpackhi_epi64(round, round); - qcoeff1 = _mm_adds_epi16(qcoeff1, round); - qtmp0 = _mm_mulhi_epi16(qcoeff0, quant); - quant = _mm_unpackhi_epi64(quant, quant); - qtmp1 = _mm_mulhi_epi16(qcoeff1, quant); - - // Reinsert signs - qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign); - qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign); - qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); - qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); - - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0); - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1); - - coeff0 = _mm_mullo_epi16(qcoeff0, dequant); - dequant = _mm_unpackhi_epi64(dequant, dequant); - coeff1 = _mm_mullo_epi16(qcoeff1, dequant); - - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0); - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1); - } - - { - // Scan for eob - __m128i zero_coeff0, zero_coeff1; - __m128i nzero_coeff0, nzero_coeff1; - __m128i iscan0, iscan1; - __m128i eob1; - zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero); - zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero); - nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero); - nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero); - iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs)); - iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1); - // Add one to convert from indices to counts - iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0); - iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1); - eob = _mm_and_si128(iscan0, nzero_coeff0); - eob1 = _mm_and_si128(iscan1, nzero_coeff1); - eob = _mm_max_epi16(eob, eob1); - } - n_coeffs += 8 * 2; - } - - // AC only loop - index = 2; - thr = _mm_srai_epi16(dequant, 1); - while (n_coeffs < 0) { - __m128i coeff0, coeff1; - { - __m128i coeff0_sign, coeff1_sign; - __m128i qcoeff0, qcoeff1; - __m128i qtmp0, qtmp1; - - assert(index < (int)(sizeof(in) / sizeof(in[0])) - 1); - coeff0 = *in[index]; - coeff1 = *in[index + 1]; - - // Poor man's sign extract - coeff0_sign = _mm_srai_epi16(coeff0, 15); - coeff1_sign = _mm_srai_epi16(coeff1, 15); - qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign); - qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign); - qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); - qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); - - nzflag = _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff0, thr)) | - _mm_movemask_epi8(_mm_cmpgt_epi16(qcoeff1, thr)); - - if (nzflag) { - qcoeff0 = _mm_adds_epi16(qcoeff0, round); - qcoeff1 = _mm_adds_epi16(qcoeff1, round); - qtmp0 = _mm_mulhi_epi16(qcoeff0, quant); - qtmp1 = _mm_mulhi_epi16(qcoeff1, quant); - - // Reinsert signs - qcoeff0 = _mm_xor_si128(qtmp0, coeff0_sign); - qcoeff1 = _mm_xor_si128(qtmp1, coeff1_sign); - qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign); - qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign); - - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0); - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1); - - coeff0 = _mm_mullo_epi16(qcoeff0, dequant); - coeff1 = _mm_mullo_epi16(qcoeff1, dequant); - - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0); - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1); - } else { - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero); - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero); - - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero); - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero); - } - } - - if (nzflag) { - // Scan for eob - __m128i zero_coeff0, zero_coeff1; - __m128i nzero_coeff0, nzero_coeff1; - __m128i iscan0, iscan1; - __m128i eob0, eob1; - zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero); - zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero); - nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero); - nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero); - iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs)); - iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1); - // Add one to convert from indices to counts - iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0); - iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1); - eob0 = _mm_and_si128(iscan0, nzero_coeff0); - eob1 = _mm_and_si128(iscan1, nzero_coeff1); - eob0 = _mm_max_epi16(eob0, eob1); - eob = _mm_max_epi16(eob, eob0); - } - n_coeffs += 8 * 2; - index += 2; - } - - // Accumulate EOB - { - __m128i eob_shuffled; - eob_shuffled = _mm_shuffle_epi32(eob, 0xe); - eob = _mm_max_epi16(eob, eob_shuffled); - eob_shuffled = _mm_shufflelo_epi16(eob, 0xe); - eob = _mm_max_epi16(eob, eob_shuffled); - eob_shuffled = _mm_shufflelo_epi16(eob, 0x1); - eob = _mm_max_epi16(eob, eob_shuffled); - *eob_ptr = _mm_extract_epi16(eob, 1); - } - } else { - do { - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero); - _mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero); - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero); - _mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero); - n_coeffs += 8 * 2; - } while (n_coeffs < 0); - *eob_ptr = 0; - } -} |