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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/avg_intrin_sse2.c | 700 |
1 files changed, 700 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/avg_intrin_sse2.c b/third_party/aom/aom_dsp/x86/avg_intrin_sse2.c new file mode 100644 index 0000000000..9ab9143eee --- /dev/null +++ b/third_party/aom/aom_dsp/x86/avg_intrin_sse2.c @@ -0,0 +1,700 @@ +/* + * 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_dsp/x86/mem_sse2.h" +#include "aom_ports/mem.h" + +static INLINE void sign_extend_16bit_to_32bit_sse2(__m128i in, __m128i zero, + __m128i *out_lo, + __m128i *out_hi) { + const __m128i sign_bits = _mm_cmplt_epi16(in, zero); + *out_lo = _mm_unpacklo_epi16(in, sign_bits); + *out_hi = _mm_unpackhi_epi16(in, sign_bits); +} + +static INLINE __m128i invert_sign_32_sse2(__m128i a, __m128i sign) { + a = _mm_xor_si128(a, sign); + return _mm_sub_epi32(a, sign); +} + +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 sum0, sum1, s0, s1, s2, s3, u0; + unsigned int avg = 0; + u0 = _mm_setzero_si128(); + s0 = loadh_epi64((const __m128i *)(s + p), + _mm_loadl_epi64((const __m128i *)(s))); + s1 = loadh_epi64((const __m128i *)(s + 3 * p), + _mm_loadl_epi64((const __m128i *)(s + 2 * p))); + s2 = loadh_epi64((const __m128i *)(s + 5 * p), + _mm_loadl_epi64((const __m128i *)(s + 4 * p))); + s3 = loadh_epi64((const __m128i *)(s + 7 * p), + _mm_loadl_epi64((const __m128i *)(s + 6 * p))); + s0 = _mm_sad_epu8(s0, u0); + s1 = _mm_sad_epu8(s1, u0); + s2 = _mm_sad_epu8(s2, u0); + s3 = _mm_sad_epu8(s3, u0); + + sum0 = _mm_add_epi16(s0, s1); + sum1 = _mm_add_epi16(s2, s3); + sum0 = _mm_add_epi16(sum0, sum1); + sum0 = _mm_add_epi16(sum0, _mm_srli_si128(sum0, 8)); + avg = _mm_cvtsi128_si32(sum0); + return (avg + 32) >> 6; +} + +void calc_avg_8x8_dual_sse2(const uint8_t *s, int p, int *avg) { + __m128i sum0, sum1, s0, s1, s2, s3, u0; + u0 = _mm_setzero_si128(); + s0 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s)), u0); + s1 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + p)), u0); + s2 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + 2 * p)), u0); + s3 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + 3 * p)), u0); + sum0 = _mm_add_epi16(s0, s1); + sum1 = _mm_add_epi16(s2, s3); + s0 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + 4 * p)), u0); + s1 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + 5 * p)), u0); + s2 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + 6 * p)), u0); + s3 = _mm_sad_epu8(_mm_loadu_si128((const __m128i *)(s + 7 * p)), u0); + sum0 = _mm_add_epi16(sum0, _mm_add_epi16(s0, s1)); + sum1 = _mm_add_epi16(sum1, _mm_add_epi16(s2, s3)); + sum0 = _mm_add_epi16(sum0, sum1); + + // (avg + 32) >> 6 + __m128i rounding = _mm_set1_epi32(32); + sum0 = _mm_add_epi32(sum0, rounding); + sum0 = _mm_srli_epi32(sum0, 6); + avg[0] = _mm_cvtsi128_si32(sum0); + avg[1] = _mm_extract_epi16(sum0, 4); +} + +void aom_avg_8x8_quad_sse2(const uint8_t *s, int p, int x16_idx, int y16_idx, + int *avg) { + const uint8_t *s_ptr = s + y16_idx * p + x16_idx; + for (int k = 0; k < 2; k++) { + calc_avg_8x8_dual_sse2(s_ptr, p, avg + k * 2); + s_ptr += 8 * p; + } +} + +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_epi32(_mm_cvtsi32_si128(*(const int *)(s)), + _mm_cvtsi32_si128(*(const int *)(s + p))); + s1 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)(s + p * 2)), + _mm_cvtsi32_si128(*(const int *)(s + p * 3))); + s0 = _mm_sad_epu8(s0, u0); + s1 = _mm_sad_epu8(s1, u0); + s0 = _mm_add_epi16(s0, s1); + avg = _mm_cvtsi128_si32(s0); + return (avg + 8) >> 4; +} + +static INLINE void hadamard_col4_sse2(__m128i *in, int iter) { + const __m128i a0 = in[0]; + const __m128i a1 = in[1]; + const __m128i a2 = in[2]; + const __m128i a3 = in[3]; + const __m128i b0 = _mm_srai_epi16(_mm_add_epi16(a0, a1), 1); + const __m128i b1 = _mm_srai_epi16(_mm_sub_epi16(a0, a1), 1); + const __m128i b2 = _mm_srai_epi16(_mm_add_epi16(a2, a3), 1); + const __m128i b3 = _mm_srai_epi16(_mm_sub_epi16(a2, a3), 1); + in[0] = _mm_add_epi16(b0, b2); + in[1] = _mm_add_epi16(b1, b3); + in[2] = _mm_sub_epi16(b0, b2); + in[3] = _mm_sub_epi16(b1, b3); + + if (iter == 0) { + const __m128i ba = _mm_unpacklo_epi16(in[0], in[1]); + const __m128i dc = _mm_unpacklo_epi16(in[2], in[3]); + const __m128i dcba_lo = _mm_unpacklo_epi32(ba, dc); + const __m128i dcba_hi = _mm_unpackhi_epi32(ba, dc); + in[0] = dcba_lo; + in[1] = _mm_srli_si128(dcba_lo, 8); + in[2] = dcba_hi; + in[3] = _mm_srli_si128(dcba_hi, 8); + } +} + +void aom_hadamard_4x4_sse2(const int16_t *src_diff, ptrdiff_t src_stride, + tran_low_t *coeff) { + __m128i src[4]; + src[0] = _mm_loadl_epi64((const __m128i *)src_diff); + src[1] = _mm_loadl_epi64((const __m128i *)(src_diff += src_stride)); + src[2] = _mm_loadl_epi64((const __m128i *)(src_diff += src_stride)); + src[3] = _mm_loadl_epi64((const __m128i *)(src_diff + src_stride)); + + hadamard_col4_sse2(src, 0); + hadamard_col4_sse2(src, 1); + + store_tran_low(_mm_unpacklo_epi64(src[0], src[1]), coeff); + coeff += 8; + store_tran_low(_mm_unpacklo_epi64(src[2], src[3]), coeff); +} + +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_8x8_dual_sse2(const int16_t *src_diff, + ptrdiff_t src_stride, int16_t *coeff) { + for (int i = 0; i < 2; i++) { + hadamard_lp_8x8_sse2(src_diff + (i * 8), src_stride, coeff + (i * 64)); + } +} + +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_offset_4(coeff0, coeff); + store_tran_low_offset_4(coeff1, coeff + 64); + store_tran_low_offset_4(coeff2, coeff + 128); + store_tran_low_offset_4(coeff3, coeff + 192); + coeff += 4; + } 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; + // Increment the pointer additionally by 0 and 8 in alternate + // iterations(instead of 8) to ensure the coherency with the implementation + // of store_tran_low_offset_4() + coeff += (((idx >> 3) & 1) << 3); + } +} + +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; + __m128i coeff0_lo, coeff1_lo, coeff2_lo, coeff3_lo, b0_lo, b1_lo, b2_lo, + b3_lo; + __m128i coeff0_hi, coeff1_hi, coeff2_hi, coeff3_hi, b0_hi, b1_hi, b2_hi, + b3_hi; + __m128i b0, b1, b2, b3; + const __m128i zero = _mm_setzero_si128(); + 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)); + + // Sign extend 16 bit to 32 bit. + sign_extend_16bit_to_32bit_sse2(coeff0, zero, &coeff0_lo, &coeff0_hi); + sign_extend_16bit_to_32bit_sse2(coeff1, zero, &coeff1_lo, &coeff1_hi); + sign_extend_16bit_to_32bit_sse2(coeff2, zero, &coeff2_lo, &coeff2_hi); + sign_extend_16bit_to_32bit_sse2(coeff3, zero, &coeff3_lo, &coeff3_hi); + + b0_lo = _mm_add_epi32(coeff0_lo, coeff1_lo); + b0_hi = _mm_add_epi32(coeff0_hi, coeff1_hi); + + b1_lo = _mm_sub_epi32(coeff0_lo, coeff1_lo); + b1_hi = _mm_sub_epi32(coeff0_hi, coeff1_hi); + + b2_lo = _mm_add_epi32(coeff2_lo, coeff3_lo); + b2_hi = _mm_add_epi32(coeff2_hi, coeff3_hi); + + b3_lo = _mm_sub_epi32(coeff2_lo, coeff3_lo); + b3_hi = _mm_sub_epi32(coeff2_hi, coeff3_hi); + + b0_lo = _mm_srai_epi32(b0_lo, 2); + b1_lo = _mm_srai_epi32(b1_lo, 2); + b2_lo = _mm_srai_epi32(b2_lo, 2); + b3_lo = _mm_srai_epi32(b3_lo, 2); + + b0_hi = _mm_srai_epi32(b0_hi, 2); + b1_hi = _mm_srai_epi32(b1_hi, 2); + b2_hi = _mm_srai_epi32(b2_hi, 2); + b3_hi = _mm_srai_epi32(b3_hi, 2); + + b0 = _mm_packs_epi32(b0_lo, b0_hi); + b1 = _mm_packs_epi32(b1_lo, b1_hi); + b2 = _mm_packs_epi32(b2_lo, b2_hi); + b3 = _mm_packs_epi32(b3_lo, b3_hi); + + coeff0 = _mm_add_epi16(b0, b2); + coeff1 = _mm_add_epi16(b1, b3); + store_tran_low_offset_4(coeff0, coeff); + store_tran_low_offset_4(coeff1, coeff + 256); + + coeff2 = _mm_sub_epi16(b0, b2); + coeff3 = _mm_sub_epi16(b1, b3); + store_tran_low_offset_4(coeff2, coeff + 512); + store_tran_low_offset_4(coeff3, coeff + 768); + + // Increment the pointer by 4 and 12 in alternate iterations(instead of 8) + // to ensure the coherency with the implementation of + // store_tran_low_offset_4() + coeff += (4 + (((idx >> 3) & 1) << 3)); + t_coeff += 8; + } +} + +int aom_satd_sse2(const tran_low_t *coeff, int length) { + int i; + const __m128i zero = _mm_setzero_si128(); + __m128i accum = zero; + + for (i = 0; i < length; i += 4) { + const __m128i src_line = _mm_load_si128((const __m128i *)coeff); + const __m128i coeff_sign = _mm_srai_epi32(src_line, 31); + const __m128i abs_coeff = invert_sign_32_sse2(src_line, coeff_sign); + accum = _mm_add_epi32(accum, abs_coeff); + coeff += 4; + } + + { // 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 width, + const int height, int norm_factor) { + // SIMD implementation assumes width and height to be multiple of 16 and 2 + // respectively. For any odd width or height, SIMD support needs to be added. + assert(width % 16 == 0 && height % 2 == 0); + __m128i zero = _mm_setzero_si128(); + + for (int wd = 0; wd < width; wd += 16) { + const uint8_t *ref_tmp = ref + wd; + int16_t *hbuf_tmp = hbuf + wd; + __m128i s0 = zero; + __m128i s1 = zero; + int idx = 0; + do { + __m128i src_line = _mm_loadu_si128((const __m128i *)ref_tmp); + __m128i t0 = _mm_unpacklo_epi8(src_line, zero); + __m128i t1 = _mm_unpackhi_epi8(src_line, zero); + s0 = _mm_add_epi16(s0, t0); + s1 = _mm_add_epi16(s1, t1); + ref_tmp += ref_stride; + + src_line = _mm_loadu_si128((const __m128i *)ref_tmp); + t0 = _mm_unpacklo_epi8(src_line, zero); + t1 = _mm_unpackhi_epi8(src_line, zero); + s0 = _mm_add_epi16(s0, t0); + s1 = _mm_add_epi16(s1, t1); + ref_tmp += ref_stride; + idx += 2; + } while (idx < height); + + s0 = _mm_srai_epi16(s0, norm_factor); + s1 = _mm_srai_epi16(s1, norm_factor); + _mm_storeu_si128((__m128i *)(hbuf_tmp), s0); + _mm_storeu_si128((__m128i *)(hbuf_tmp + 8), s1); + } +} + +void aom_int_pro_col_sse2(int16_t *vbuf, const uint8_t *ref, + const int ref_stride, const int width, + const int height, int norm_factor) { + // SIMD implementation assumes width to be multiple of 16. + assert(width % 16 == 0); + + for (int ht = 0; ht < height; ht++) { + const uint8_t *ref_tmp = ref + (ht * ref_stride); + __m128i zero = _mm_setzero_si128(); + __m128i s0 = zero; + __m128i s1, src_line; + for (int i = 0; i < width; i += 16) { + src_line = _mm_loadu_si128((const __m128i *)ref_tmp); + s1 = _mm_sad_epu8(src_line, zero); + s0 = _mm_add_epi16(s0, s1); + ref_tmp += 16; + } + + s1 = _mm_srli_si128(s0, 8); + s0 = _mm_add_epi16(s0, s1); + vbuf[ht] = _mm_cvtsi128_si32(s0) >> norm_factor; + } +} |