| /* | |
| * 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 <immintrin.h> | |
| #include "config/aom_dsp_rtcd.h" | |
| #include "aom/aom_integer.h" | |
| #include "aom_dsp/x86/bitdepth_conversion_sse2.h" | |
| #include "aom_ports/mem.h" | |
| void aom_minmax_8x8_sse2(const uint8_t *s, int p, const uint8_t *d, int dp, | |
| int *min, int *max) { | |
| __m128i u0, s0, d0, diff, maxabsdiff, minabsdiff, negdiff, absdiff0, absdiff; | |
| u0 = _mm_setzero_si128(); | |
| // Row 0 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff0 = _mm_max_epi16(diff, negdiff); | |
| // Row 1 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(absdiff0, absdiff); | |
| minabsdiff = _mm_min_epi16(absdiff0, absdiff); | |
| // Row 2 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 2 * dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); | |
| minabsdiff = _mm_min_epi16(minabsdiff, absdiff); | |
| // Row 3 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 3 * dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); | |
| minabsdiff = _mm_min_epi16(minabsdiff, absdiff); | |
| // Row 4 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 4 * dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); | |
| minabsdiff = _mm_min_epi16(minabsdiff, absdiff); | |
| // Row 5 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 5 * dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); | |
| minabsdiff = _mm_min_epi16(minabsdiff, absdiff); | |
| // Row 6 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 6 * dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); | |
| minabsdiff = _mm_min_epi16(minabsdiff, absdiff); | |
| // Row 7 | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0); | |
| d0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(d + 7 * dp)), u0); | |
| diff = _mm_subs_epi16(s0, d0); | |
| negdiff = _mm_subs_epi16(u0, diff); | |
| absdiff = _mm_max_epi16(diff, negdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, absdiff); | |
| minabsdiff = _mm_min_epi16(minabsdiff, absdiff); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_si128(maxabsdiff, 8)); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 32)); | |
| maxabsdiff = _mm_max_epi16(maxabsdiff, _mm_srli_epi64(maxabsdiff, 16)); | |
| *max = _mm_extract_epi16(maxabsdiff, 0); | |
| minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_si128(minabsdiff, 8)); | |
| minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 32)); | |
| minabsdiff = _mm_min_epi16(minabsdiff, _mm_srli_epi64(minabsdiff, 16)); | |
| *min = _mm_extract_epi16(minabsdiff, 0); | |
| } | |
| unsigned int aom_avg_8x8_sse2(const uint8_t *s, int p) { | |
| __m128i s0, s1, u0; | |
| unsigned int avg = 0; | |
| u0 = _mm_setzero_si128(); | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 4 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 5 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 6 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 7 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 8)); | |
| s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 32)); | |
| s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16)); | |
| avg = _mm_extract_epi16(s0, 0); | |
| return (avg + 32) >> 6; | |
| } | |
| unsigned int aom_avg_4x4_sse2(const uint8_t *s, int p) { | |
| __m128i s0, s1, u0; | |
| unsigned int avg = 0; | |
| u0 = _mm_setzero_si128(); | |
| s0 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s)), u0); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 2 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)(s + 3 * p)), u0); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| s0 = _mm_adds_epu16(s0, _mm_srli_si128(s0, 4)); | |
| s0 = _mm_adds_epu16(s0, _mm_srli_epi64(s0, 16)); | |
| avg = _mm_extract_epi16(s0, 0); | |
| return (avg + 8) >> 4; | |
| } | |
| static INLINE void hadamard_col8_sse2(__m128i *in, int iter) { | |
| __m128i a0 = in[0]; | |
| __m128i a1 = in[1]; | |
| __m128i a2 = in[2]; | |
| __m128i a3 = in[3]; | |
| __m128i a4 = in[4]; | |
| __m128i a5 = in[5]; | |
| __m128i a6 = in[6]; | |
| __m128i a7 = in[7]; | |
| __m128i b0 = _mm_add_epi16(a0, a1); | |
| __m128i b1 = _mm_sub_epi16(a0, a1); | |
| __m128i b2 = _mm_add_epi16(a2, a3); | |
| __m128i b3 = _mm_sub_epi16(a2, a3); | |
| __m128i b4 = _mm_add_epi16(a4, a5); | |
| __m128i b5 = _mm_sub_epi16(a4, a5); | |
| __m128i b6 = _mm_add_epi16(a6, a7); | |
| __m128i b7 = _mm_sub_epi16(a6, a7); | |
| a0 = _mm_add_epi16(b0, b2); | |
| a1 = _mm_add_epi16(b1, b3); | |
| a2 = _mm_sub_epi16(b0, b2); | |
| a3 = _mm_sub_epi16(b1, b3); | |
| a4 = _mm_add_epi16(b4, b6); | |
| a5 = _mm_add_epi16(b5, b7); | |
| a6 = _mm_sub_epi16(b4, b6); | |
| a7 = _mm_sub_epi16(b5, b7); | |
| if (iter == 0) { | |
| b0 = _mm_add_epi16(a0, a4); | |
| b7 = _mm_add_epi16(a1, a5); | |
| b3 = _mm_add_epi16(a2, a6); | |
| b4 = _mm_add_epi16(a3, a7); | |
| b2 = _mm_sub_epi16(a0, a4); | |
| b6 = _mm_sub_epi16(a1, a5); | |
| b1 = _mm_sub_epi16(a2, a6); | |
| b5 = _mm_sub_epi16(a3, a7); | |
| a0 = _mm_unpacklo_epi16(b0, b1); | |
| a1 = _mm_unpacklo_epi16(b2, b3); | |
| a2 = _mm_unpackhi_epi16(b0, b1); | |
| a3 = _mm_unpackhi_epi16(b2, b3); | |
| a4 = _mm_unpacklo_epi16(b4, b5); | |
| a5 = _mm_unpacklo_epi16(b6, b7); | |
| a6 = _mm_unpackhi_epi16(b4, b5); | |
| a7 = _mm_unpackhi_epi16(b6, b7); | |
| b0 = _mm_unpacklo_epi32(a0, a1); | |
| b1 = _mm_unpacklo_epi32(a4, a5); | |
| b2 = _mm_unpackhi_epi32(a0, a1); | |
| b3 = _mm_unpackhi_epi32(a4, a5); | |
| b4 = _mm_unpacklo_epi32(a2, a3); | |
| b5 = _mm_unpacklo_epi32(a6, a7); | |
| b6 = _mm_unpackhi_epi32(a2, a3); | |
| b7 = _mm_unpackhi_epi32(a6, a7); | |
| in[0] = _mm_unpacklo_epi64(b0, b1); | |
| in[1] = _mm_unpackhi_epi64(b0, b1); | |
| in[2] = _mm_unpacklo_epi64(b2, b3); | |
| in[3] = _mm_unpackhi_epi64(b2, b3); | |
| in[4] = _mm_unpacklo_epi64(b4, b5); | |
| in[5] = _mm_unpackhi_epi64(b4, b5); | |
| in[6] = _mm_unpacklo_epi64(b6, b7); | |
| in[7] = _mm_unpackhi_epi64(b6, b7); | |
| } else { | |
| in[0] = _mm_add_epi16(a0, a4); | |
| in[7] = _mm_add_epi16(a1, a5); | |
| in[3] = _mm_add_epi16(a2, a6); | |
| in[4] = _mm_add_epi16(a3, a7); | |
| in[2] = _mm_sub_epi16(a0, a4); | |
| in[6] = _mm_sub_epi16(a1, a5); | |
| in[1] = _mm_sub_epi16(a2, a6); | |
| in[5] = _mm_sub_epi16(a3, a7); | |
| } | |
| } | |
| static INLINE void hadamard_8x8_sse2(const int16_t *src_diff, | |
| ptrdiff_t src_stride, tran_low_t *coeff, | |
| int is_final) { | |
| __m128i src[8]; | |
| src[0] = _mm_load_si128((const __m128i *)src_diff); | |
| src[1] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[2] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[3] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[4] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[5] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[6] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[7] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| hadamard_col8_sse2(src, 0); | |
| hadamard_col8_sse2(src, 1); | |
| if (is_final) { | |
| store_tran_low(src[0], coeff); | |
| coeff += 8; | |
| store_tran_low(src[1], coeff); | |
| coeff += 8; | |
| store_tran_low(src[2], coeff); | |
| coeff += 8; | |
| store_tran_low(src[3], coeff); | |
| coeff += 8; | |
| store_tran_low(src[4], coeff); | |
| coeff += 8; | |
| store_tran_low(src[5], coeff); | |
| coeff += 8; | |
| store_tran_low(src[6], coeff); | |
| coeff += 8; | |
| store_tran_low(src[7], coeff); | |
| } else { | |
| int16_t *coeff16 = (int16_t *)coeff; | |
| _mm_store_si128((__m128i *)coeff16, src[0]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[1]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[2]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[3]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[4]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[5]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[6]); | |
| coeff16 += 8; | |
| _mm_store_si128((__m128i *)coeff16, src[7]); | |
| } | |
| } | |
| void aom_hadamard_8x8_sse2(const int16_t *src_diff, ptrdiff_t src_stride, | |
| tran_low_t *coeff) { | |
| hadamard_8x8_sse2(src_diff, src_stride, coeff, 1); | |
| } | |
| static INLINE void hadamard_lp_8x8_sse2(const int16_t *src_diff, | |
| ptrdiff_t src_stride, int16_t *coeff) { | |
| __m128i src[8]; | |
| src[0] = _mm_load_si128((const __m128i *)src_diff); | |
| src[1] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[2] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[3] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[4] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[5] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[6] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| src[7] = _mm_load_si128((const __m128i *)(src_diff += src_stride)); | |
| hadamard_col8_sse2(src, 0); | |
| hadamard_col8_sse2(src, 1); | |
| _mm_store_si128((__m128i *)coeff, src[0]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[1]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[2]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[3]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[4]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[5]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[6]); | |
| coeff += 8; | |
| _mm_store_si128((__m128i *)coeff, src[7]); | |
| } | |
| void aom_hadamard_lp_8x8_sse2(const int16_t *src_diff, ptrdiff_t src_stride, | |
| int16_t *coeff) { | |
| hadamard_lp_8x8_sse2(src_diff, src_stride, coeff); | |
| } | |
| void aom_hadamard_lp_16x16_sse2(const int16_t *src_diff, ptrdiff_t src_stride, | |
| int16_t *coeff) { | |
| for (int idx = 0; idx < 4; ++idx) { | |
| const int16_t *src_ptr = | |
| src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8; | |
| hadamard_lp_8x8_sse2(src_ptr, src_stride, coeff + idx * 64); | |
| } | |
| int16_t *t_coeff = coeff; | |
| for (int idx = 0; idx < 64; idx += 8) { | |
| __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff); | |
| __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 64)); | |
| __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 128)); | |
| __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 192)); | |
| __m128i b0 = _mm_add_epi16(coeff0, coeff1); | |
| __m128i b1 = _mm_sub_epi16(coeff0, coeff1); | |
| __m128i b2 = _mm_add_epi16(coeff2, coeff3); | |
| __m128i b3 = _mm_sub_epi16(coeff2, coeff3); | |
| b0 = _mm_srai_epi16(b0, 1); | |
| b1 = _mm_srai_epi16(b1, 1); | |
| b2 = _mm_srai_epi16(b2, 1); | |
| b3 = _mm_srai_epi16(b3, 1); | |
| coeff0 = _mm_add_epi16(b0, b2); | |
| coeff1 = _mm_add_epi16(b1, b3); | |
| coeff2 = _mm_sub_epi16(b0, b2); | |
| coeff3 = _mm_sub_epi16(b1, b3); | |
| _mm_store_si128((__m128i *)t_coeff, coeff0); | |
| _mm_store_si128((__m128i *)(t_coeff + 64), coeff1); | |
| _mm_store_si128((__m128i *)(t_coeff + 128), coeff2); | |
| _mm_store_si128((__m128i *)(t_coeff + 192), coeff3); | |
| t_coeff += 8; | |
| } | |
| } | |
| static INLINE void hadamard_16x16_sse2(const int16_t *src_diff, | |
| ptrdiff_t src_stride, tran_low_t *coeff, | |
| int is_final) { | |
| // For high bitdepths, it is unnecessary to store_tran_low | |
| // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the | |
| // next stage. Output to an intermediate buffer first, then store_tran_low() | |
| // in the final stage. | |
| DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]); | |
| int16_t *t_coeff = temp_coeff; | |
| int16_t *coeff16 = (int16_t *)coeff; | |
| int idx; | |
| for (idx = 0; idx < 4; ++idx) { | |
| const int16_t *src_ptr = | |
| src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8; | |
| hadamard_8x8_sse2(src_ptr, src_stride, (tran_low_t *)(t_coeff + idx * 64), | |
| 0); | |
| } | |
| for (idx = 0; idx < 64; idx += 8) { | |
| __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff); | |
| __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 64)); | |
| __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 128)); | |
| __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 192)); | |
| __m128i b0 = _mm_add_epi16(coeff0, coeff1); | |
| __m128i b1 = _mm_sub_epi16(coeff0, coeff1); | |
| __m128i b2 = _mm_add_epi16(coeff2, coeff3); | |
| __m128i b3 = _mm_sub_epi16(coeff2, coeff3); | |
| b0 = _mm_srai_epi16(b0, 1); | |
| b1 = _mm_srai_epi16(b1, 1); | |
| b2 = _mm_srai_epi16(b2, 1); | |
| b3 = _mm_srai_epi16(b3, 1); | |
| coeff0 = _mm_add_epi16(b0, b2); | |
| coeff1 = _mm_add_epi16(b1, b3); | |
| coeff2 = _mm_sub_epi16(b0, b2); | |
| coeff3 = _mm_sub_epi16(b1, b3); | |
| if (is_final) { | |
| store_tran_low(coeff0, coeff); | |
| store_tran_low(coeff1, coeff + 64); | |
| store_tran_low(coeff2, coeff + 128); | |
| store_tran_low(coeff3, coeff + 192); | |
| coeff += 8; | |
| } else { | |
| _mm_store_si128((__m128i *)coeff16, coeff0); | |
| _mm_store_si128((__m128i *)(coeff16 + 64), coeff1); | |
| _mm_store_si128((__m128i *)(coeff16 + 128), coeff2); | |
| _mm_store_si128((__m128i *)(coeff16 + 192), coeff3); | |
| coeff16 += 8; | |
| } | |
| t_coeff += 8; | |
| } | |
| } | |
| void aom_hadamard_16x16_sse2(const int16_t *src_diff, ptrdiff_t src_stride, | |
| tran_low_t *coeff) { | |
| hadamard_16x16_sse2(src_diff, src_stride, coeff, 1); | |
| } | |
| void aom_hadamard_32x32_sse2(const int16_t *src_diff, ptrdiff_t src_stride, | |
| tran_low_t *coeff) { | |
| // For high bitdepths, it is unnecessary to store_tran_low | |
| // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the | |
| // next stage. Output to an intermediate buffer first, then store_tran_low() | |
| // in the final stage. | |
| DECLARE_ALIGNED(32, int16_t, temp_coeff[32 * 32]); | |
| int16_t *t_coeff = temp_coeff; | |
| int idx; | |
| for (idx = 0; idx < 4; ++idx) { | |
| const int16_t *src_ptr = | |
| src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16; | |
| hadamard_16x16_sse2(src_ptr, src_stride, | |
| (tran_low_t *)(t_coeff + idx * 256), 0); | |
| } | |
| for (idx = 0; idx < 256; idx += 8) { | |
| __m128i coeff0 = _mm_load_si128((const __m128i *)t_coeff); | |
| __m128i coeff1 = _mm_load_si128((const __m128i *)(t_coeff + 256)); | |
| __m128i coeff2 = _mm_load_si128((const __m128i *)(t_coeff + 512)); | |
| __m128i coeff3 = _mm_load_si128((const __m128i *)(t_coeff + 768)); | |
| __m128i b0 = _mm_add_epi16(coeff0, coeff1); | |
| __m128i b1 = _mm_sub_epi16(coeff0, coeff1); | |
| __m128i b2 = _mm_add_epi16(coeff2, coeff3); | |
| __m128i b3 = _mm_sub_epi16(coeff2, coeff3); | |
| b0 = _mm_srai_epi16(b0, 2); | |
| b1 = _mm_srai_epi16(b1, 2); | |
| b2 = _mm_srai_epi16(b2, 2); | |
| b3 = _mm_srai_epi16(b3, 2); | |
| coeff0 = _mm_add_epi16(b0, b2); | |
| coeff1 = _mm_add_epi16(b1, b3); | |
| store_tran_low(coeff0, coeff); | |
| store_tran_low(coeff1, coeff + 256); | |
| coeff2 = _mm_sub_epi16(b0, b2); | |
| coeff3 = _mm_sub_epi16(b1, b3); | |
| store_tran_low(coeff2, coeff + 512); | |
| store_tran_low(coeff3, coeff + 768); | |
| coeff += 8; | |
| t_coeff += 8; | |
| } | |
| } | |
| int aom_satd_sse2(const tran_low_t *coeff, int length) { | |
| int i; | |
| const __m128i zero = _mm_setzero_si128(); | |
| const __m128i one = _mm_set1_epi16(1); | |
| __m128i accum = zero; | |
| for (i = 0; i < length; i += 16) { | |
| const __m128i src_line0 = load_tran_low(coeff); | |
| const __m128i src_line1 = load_tran_low(coeff + 8); | |
| const __m128i inv0 = _mm_sub_epi16(zero, src_line0); | |
| const __m128i inv1 = _mm_sub_epi16(zero, src_line1); | |
| const __m128i abs0 = _mm_max_epi16(src_line0, inv0); // abs(src_line) | |
| const __m128i abs1 = _mm_max_epi16(src_line1, inv1); // abs(src_line) | |
| const __m128i sum0 = _mm_madd_epi16(abs0, one); | |
| const __m128i sum1 = _mm_madd_epi16(abs1, one); | |
| accum = _mm_add_epi32(accum, sum0); | |
| accum = _mm_add_epi32(accum, sum1); | |
| coeff += 16; | |
| } | |
| { // cascading summation of accum | |
| __m128i hi = _mm_srli_si128(accum, 8); | |
| accum = _mm_add_epi32(accum, hi); | |
| hi = _mm_srli_epi64(accum, 32); | |
| accum = _mm_add_epi32(accum, hi); | |
| } | |
| return _mm_cvtsi128_si32(accum); | |
| } | |
| int aom_satd_lp_sse2(const int16_t *coeff, int length) { | |
| const __m128i zero = _mm_setzero_si128(); | |
| const __m128i one = _mm_set1_epi16(1); | |
| __m128i accum = zero; | |
| for (int i = 0; i < length; i += 16) { | |
| const __m128i src_line0 = _mm_loadu_si128((const __m128i *)coeff); | |
| const __m128i src_line1 = _mm_loadu_si128((const __m128i *)(coeff + 8)); | |
| const __m128i inv0 = _mm_sub_epi16(zero, src_line0); | |
| const __m128i inv1 = _mm_sub_epi16(zero, src_line1); | |
| const __m128i abs0 = _mm_max_epi16(src_line0, inv0); // abs(src_line) | |
| const __m128i abs1 = _mm_max_epi16(src_line1, inv1); // abs(src_line) | |
| const __m128i sum0 = _mm_madd_epi16(abs0, one); | |
| const __m128i sum1 = _mm_madd_epi16(abs1, one); | |
| accum = _mm_add_epi32(accum, sum0); | |
| accum = _mm_add_epi32(accum, sum1); | |
| coeff += 16; | |
| } | |
| { // cascading summation of accum | |
| __m128i hi = _mm_srli_si128(accum, 8); | |
| accum = _mm_add_epi32(accum, hi); | |
| hi = _mm_srli_epi64(accum, 32); | |
| accum = _mm_add_epi32(accum, hi); | |
| } | |
| return _mm_cvtsi128_si32(accum); | |
| } | |
| void aom_int_pro_row_sse2(int16_t *hbuf, const uint8_t *ref, | |
| const int ref_stride, const int height) { | |
| int idx = 1; | |
| __m128i zero = _mm_setzero_si128(); | |
| __m128i src_line = _mm_loadu_si128((const __m128i *)ref); | |
| __m128i s0 = _mm_unpacklo_epi8(src_line, zero); | |
| __m128i s1 = _mm_unpackhi_epi8(src_line, zero); | |
| __m128i t0, t1; | |
| int height_1 = height - 1; | |
| ref += ref_stride; | |
| do { | |
| src_line = _mm_loadu_si128((const __m128i *)ref); | |
| t0 = _mm_unpacklo_epi8(src_line, zero); | |
| t1 = _mm_unpackhi_epi8(src_line, zero); | |
| s0 = _mm_adds_epu16(s0, t0); | |
| s1 = _mm_adds_epu16(s1, t1); | |
| ref += ref_stride; | |
| src_line = _mm_loadu_si128((const __m128i *)ref); | |
| t0 = _mm_unpacklo_epi8(src_line, zero); | |
| t1 = _mm_unpackhi_epi8(src_line, zero); | |
| s0 = _mm_adds_epu16(s0, t0); | |
| s1 = _mm_adds_epu16(s1, t1); | |
| ref += ref_stride; | |
| idx += 2; | |
| } while (idx < height_1); | |
| src_line = _mm_loadu_si128((const __m128i *)ref); | |
| t0 = _mm_unpacklo_epi8(src_line, zero); | |
| t1 = _mm_unpackhi_epi8(src_line, zero); | |
| s0 = _mm_adds_epu16(s0, t0); | |
| s1 = _mm_adds_epu16(s1, t1); | |
| if (height == 128) { | |
| s0 = _mm_srai_epi16(s0, 6); | |
| s1 = _mm_srai_epi16(s1, 6); | |
| } else if (height == 64) { | |
| s0 = _mm_srai_epi16(s0, 5); | |
| s1 = _mm_srai_epi16(s1, 5); | |
| } else if (height == 32) { | |
| s0 = _mm_srai_epi16(s0, 4); | |
| s1 = _mm_srai_epi16(s1, 4); | |
| } else { | |
| assert(height == 16); | |
| s0 = _mm_srai_epi16(s0, 3); | |
| s1 = _mm_srai_epi16(s1, 3); | |
| } | |
| _mm_storeu_si128((__m128i *)hbuf, s0); | |
| hbuf += 8; | |
| _mm_storeu_si128((__m128i *)hbuf, s1); | |
| } | |
| int16_t aom_int_pro_col_sse2(const uint8_t *ref, const int width) { | |
| __m128i zero = _mm_setzero_si128(); | |
| __m128i src_line = _mm_loadu_si128((const __m128i *)ref); | |
| __m128i s0 = _mm_sad_epu8(src_line, zero); | |
| __m128i s1; | |
| int i; | |
| for (i = 16; i < width; i += 16) { | |
| ref += 16; | |
| src_line = _mm_loadu_si128((const __m128i *)ref); | |
| s1 = _mm_sad_epu8(src_line, zero); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| } | |
| s1 = _mm_srli_si128(s0, 8); | |
| s0 = _mm_adds_epu16(s0, s1); | |
| return _mm_extract_epi16(s0, 0); | |
| } |