diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/highbd_quantize_intrin_avx2.c')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/highbd_quantize_intrin_avx2.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/third_party/aom/aom_dsp/x86/highbd_quantize_intrin_avx2.c b/third_party/aom/aom_dsp/x86/highbd_quantize_intrin_avx2.c deleted file mode 100644 index b9689202a..000000000 --- a/third_party/aom/aom_dsp/x86/highbd_quantize_intrin_avx2.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright (c) 2017, 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 <immintrin.h> - -#include "config/aom_dsp_rtcd.h" - -#include "aom/aom_integer.h" - -static INLINE void init_one_qp(const __m128i *p, __m256i *qp) { - const __m128i sign = _mm_srai_epi16(*p, 15); - const __m128i dc = _mm_unpacklo_epi16(*p, sign); - const __m128i ac = _mm_unpackhi_epi16(*p, sign); - *qp = _mm256_insertf128_si256(_mm256_castsi128_si256(dc), ac, 1); -} - -static INLINE void update_qp(__m256i *qp) { - int i; - for (i = 0; i < 5; ++i) { - qp[i] = _mm256_permute2x128_si256(qp[i], qp[i], 0x11); - } -} - -static INLINE void init_qp(const int16_t *zbin_ptr, const int16_t *round_ptr, - const int16_t *quant_ptr, const int16_t *dequant_ptr, - const int16_t *quant_shift_ptr, __m256i *qp) { - const __m128i zbin = _mm_loadu_si128((const __m128i *)zbin_ptr); - const __m128i round = _mm_loadu_si128((const __m128i *)round_ptr); - const __m128i quant = _mm_loadu_si128((const __m128i *)quant_ptr); - const __m128i dequant = _mm_loadu_si128((const __m128i *)dequant_ptr); - const __m128i quant_shift = _mm_loadu_si128((const __m128i *)quant_shift_ptr); - init_one_qp(&zbin, &qp[0]); - init_one_qp(&round, &qp[1]); - init_one_qp(&quant, &qp[2]); - init_one_qp(&dequant, &qp[3]); - init_one_qp(&quant_shift, &qp[4]); -} - -// Note: -// *x is vector multiplied by *y which is 16 int32_t parallel multiplication -// and right shift 16. The output, 16 int32_t is save in *p. -static INLINE void mm256_mul_shift_epi32(const __m256i *x, const __m256i *y, - __m256i *p) { - __m256i prod_lo = _mm256_mul_epi32(*x, *y); - __m256i prod_hi = _mm256_srli_epi64(*x, 32); - const __m256i mult_hi = _mm256_srli_epi64(*y, 32); - prod_hi = _mm256_mul_epi32(prod_hi, mult_hi); - - prod_lo = _mm256_srli_epi64(prod_lo, 16); - const __m256i mask = _mm256_set_epi32(0, -1, 0, -1, 0, -1, 0, -1); - prod_lo = _mm256_and_si256(prod_lo, mask); - prod_hi = _mm256_srli_epi64(prod_hi, 16); - - prod_hi = _mm256_slli_epi64(prod_hi, 32); - *p = _mm256_or_si256(prod_lo, prod_hi); -} - -static INLINE void quantize(const __m256i *qp, __m256i *c, - const int16_t *iscan_ptr, tran_low_t *qcoeff, - tran_low_t *dqcoeff, __m256i *eob) { - const __m256i abs = _mm256_abs_epi32(*c); - const __m256i flag1 = _mm256_cmpgt_epi32(abs, qp[0]); - __m256i flag2 = _mm256_cmpeq_epi32(abs, qp[0]); - flag2 = _mm256_or_si256(flag1, flag2); - const int32_t nzflag = _mm256_movemask_epi8(flag2); - - if (LIKELY(nzflag)) { - __m256i q = _mm256_add_epi32(abs, qp[1]); - __m256i tmp; - mm256_mul_shift_epi32(&q, &qp[2], &tmp); - q = _mm256_add_epi32(tmp, q); - - mm256_mul_shift_epi32(&q, &qp[4], &q); - __m256i dq = _mm256_mullo_epi32(q, qp[3]); - - q = _mm256_sign_epi32(q, *c); - dq = _mm256_sign_epi32(dq, *c); - q = _mm256_and_si256(q, flag2); - dq = _mm256_and_si256(dq, flag2); - - _mm256_storeu_si256((__m256i *)qcoeff, q); - _mm256_storeu_si256((__m256i *)dqcoeff, dq); - - const __m128i isc = _mm_loadu_si128((const __m128i *)iscan_ptr); - const __m128i zr = _mm_setzero_si128(); - const __m128i lo = _mm_unpacklo_epi16(isc, zr); - const __m128i hi = _mm_unpackhi_epi16(isc, zr); - const __m256i iscan = - _mm256_insertf128_si256(_mm256_castsi128_si256(lo), hi, 1); - - const __m256i zero = _mm256_setzero_si256(); - const __m256i zc = _mm256_cmpeq_epi32(dq, zero); - const __m256i nz = _mm256_cmpeq_epi32(zc, zero); - __m256i cur_eob = _mm256_sub_epi32(iscan, nz); - cur_eob = _mm256_and_si256(cur_eob, nz); - *eob = _mm256_max_epi32(cur_eob, *eob); - } else { - const __m256i zero = _mm256_setzero_si256(); - _mm256_storeu_si256((__m256i *)qcoeff, zero); - _mm256_storeu_si256((__m256i *)dqcoeff, zero); - } -} - -void aom_highbd_quantize_b_avx2(const tran_low_t *coeff_ptr, intptr_t n_coeffs, - const int16_t *zbin_ptr, - const int16_t *round_ptr, - const int16_t *quant_ptr, - const int16_t *quant_shift_ptr, - tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, - const int16_t *dequant_ptr, uint16_t *eob_ptr, - const int16_t *scan, const int16_t *iscan) { - (void)scan; - const unsigned int step = 8; - - __m256i qp[5], coeff; - init_qp(zbin_ptr, round_ptr, quant_ptr, dequant_ptr, quant_shift_ptr, qp); - coeff = _mm256_loadu_si256((const __m256i *)coeff_ptr); - - __m256i eob = _mm256_setzero_si256(); - quantize(qp, &coeff, iscan, qcoeff_ptr, dqcoeff_ptr, &eob); - - coeff_ptr += step; - qcoeff_ptr += step; - dqcoeff_ptr += step; - iscan += step; - n_coeffs -= step; - - update_qp(qp); - - while (n_coeffs > 0) { - coeff = _mm256_loadu_si256((const __m256i *)coeff_ptr); - quantize(qp, &coeff, iscan, qcoeff_ptr, dqcoeff_ptr, &eob); - - coeff_ptr += step; - qcoeff_ptr += step; - dqcoeff_ptr += step; - iscan += step; - n_coeffs -= step; - } - { - __m256i eob_s; - eob_s = _mm256_shuffle_epi32(eob, 0xe); - eob = _mm256_max_epi16(eob, eob_s); - eob_s = _mm256_shufflelo_epi16(eob, 0xe); - eob = _mm256_max_epi16(eob, eob_s); - eob_s = _mm256_shufflelo_epi16(eob, 1); - eob = _mm256_max_epi16(eob, eob_s); - const __m128i final_eob = _mm_max_epi16(_mm256_castsi256_si128(eob), - _mm256_extractf128_si256(eob, 1)); - *eob_ptr = _mm_extract_epi16(final_eob, 0); - } -} |