summaryrefslogtreecommitdiffstats
path: root/third_party/aom/aom_dsp/x86/variance_impl_avx2.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/aom/aom_dsp/x86/variance_impl_avx2.c')
-rw-r--r--third_party/aom/aom_dsp/x86/variance_impl_avx2.c200
1 files changed, 2 insertions, 198 deletions
diff --git a/third_party/aom/aom_dsp/x86/variance_impl_avx2.c b/third_party/aom/aom_dsp/x86/variance_impl_avx2.c
index 999b541e3..88e27aef3 100644
--- a/third_party/aom/aom_dsp/x86/variance_impl_avx2.c
+++ b/third_party/aom/aom_dsp/x86/variance_impl_avx2.c
@@ -11,7 +11,8 @@
#include <immintrin.h> // AVX2
-#include "./aom_dsp_rtcd.h"
+#include "config/aom_dsp_rtcd.h"
+
#include "aom_ports/mem.h"
/* clang-format off */
@@ -35,203 +36,6 @@ DECLARE_ALIGNED(32, static const uint8_t, bilinear_filters_avx2[512]) = {
};
/* clang-format on */
-void aom_get16x16var_avx2(const unsigned char *src_ptr, int source_stride,
- const unsigned char *ref_ptr, int recon_stride,
- unsigned int *SSE, int *Sum) {
- __m256i src, src_expand_low, src_expand_high, ref, ref_expand_low;
- __m256i ref_expand_high, madd_low, madd_high;
- unsigned int i, src_2strides, ref_2strides;
- __m256i zero_reg = _mm256_set1_epi16(0);
- __m256i sum_ref_src = _mm256_set1_epi16(0);
- __m256i madd_ref_src = _mm256_set1_epi16(0);
-
- // processing two strides in a 256 bit register reducing the number
- // of loop stride by half (comparing to the sse2 code)
- src_2strides = source_stride << 1;
- ref_2strides = recon_stride << 1;
- for (i = 0; i < 8; i++) {
- src = _mm256_castsi128_si256(_mm_loadu_si128((__m128i const *)(src_ptr)));
- src = _mm256_inserti128_si256(
- src, _mm_loadu_si128((__m128i const *)(src_ptr + source_stride)), 1);
-
- ref = _mm256_castsi128_si256(_mm_loadu_si128((__m128i const *)(ref_ptr)));
- ref = _mm256_inserti128_si256(
- ref, _mm_loadu_si128((__m128i const *)(ref_ptr + recon_stride)), 1);
-
- // expanding to 16 bit each lane
- src_expand_low = _mm256_unpacklo_epi8(src, zero_reg);
- src_expand_high = _mm256_unpackhi_epi8(src, zero_reg);
-
- ref_expand_low = _mm256_unpacklo_epi8(ref, zero_reg);
- ref_expand_high = _mm256_unpackhi_epi8(ref, zero_reg);
-
- // src-ref
- src_expand_low = _mm256_sub_epi16(src_expand_low, ref_expand_low);
- src_expand_high = _mm256_sub_epi16(src_expand_high, ref_expand_high);
-
- // madd low (src - ref)
- madd_low = _mm256_madd_epi16(src_expand_low, src_expand_low);
-
- // add high to low
- src_expand_low = _mm256_add_epi16(src_expand_low, src_expand_high);
-
- // madd high (src - ref)
- madd_high = _mm256_madd_epi16(src_expand_high, src_expand_high);
-
- sum_ref_src = _mm256_add_epi16(sum_ref_src, src_expand_low);
-
- // add high to low
- madd_ref_src =
- _mm256_add_epi32(madd_ref_src, _mm256_add_epi32(madd_low, madd_high));
-
- src_ptr += src_2strides;
- ref_ptr += ref_2strides;
- }
-
- {
- __m128i sum_res, madd_res;
- __m128i expand_sum_low, expand_sum_high, expand_sum;
- __m128i expand_madd_low, expand_madd_high, expand_madd;
- __m128i ex_expand_sum_low, ex_expand_sum_high, ex_expand_sum;
-
- // extract the low lane and add it to the high lane
- sum_res = _mm_add_epi16(_mm256_castsi256_si128(sum_ref_src),
- _mm256_extractf128_si256(sum_ref_src, 1));
-
- madd_res = _mm_add_epi32(_mm256_castsi256_si128(madd_ref_src),
- _mm256_extractf128_si256(madd_ref_src, 1));
-
- // padding each 2 bytes with another 2 zeroed bytes
- expand_sum_low =
- _mm_unpacklo_epi16(_mm256_castsi256_si128(zero_reg), sum_res);
- expand_sum_high =
- _mm_unpackhi_epi16(_mm256_castsi256_si128(zero_reg), sum_res);
-
- // shifting the sign 16 bits right
- expand_sum_low = _mm_srai_epi32(expand_sum_low, 16);
- expand_sum_high = _mm_srai_epi32(expand_sum_high, 16);
-
- expand_sum = _mm_add_epi32(expand_sum_low, expand_sum_high);
-
- // expand each 32 bits of the madd result to 64 bits
- expand_madd_low =
- _mm_unpacklo_epi32(madd_res, _mm256_castsi256_si128(zero_reg));
- expand_madd_high =
- _mm_unpackhi_epi32(madd_res, _mm256_castsi256_si128(zero_reg));
-
- expand_madd = _mm_add_epi32(expand_madd_low, expand_madd_high);
-
- ex_expand_sum_low =
- _mm_unpacklo_epi32(expand_sum, _mm256_castsi256_si128(zero_reg));
- ex_expand_sum_high =
- _mm_unpackhi_epi32(expand_sum, _mm256_castsi256_si128(zero_reg));
-
- ex_expand_sum = _mm_add_epi32(ex_expand_sum_low, ex_expand_sum_high);
-
- // shift 8 bytes eight
- madd_res = _mm_srli_si128(expand_madd, 8);
- sum_res = _mm_srli_si128(ex_expand_sum, 8);
-
- madd_res = _mm_add_epi32(madd_res, expand_madd);
- sum_res = _mm_add_epi32(sum_res, ex_expand_sum);
-
- *((int *)SSE) = _mm_cvtsi128_si32(madd_res);
-
- *((int *)Sum) = _mm_cvtsi128_si32(sum_res);
- }
- _mm256_zeroupper();
-}
-
-void aom_get32x32var_avx2(const unsigned char *src_ptr, int source_stride,
- const unsigned char *ref_ptr, int recon_stride,
- unsigned int *SSE, int *Sum) {
- __m256i src, src_expand_low, src_expand_high, ref, ref_expand_low;
- __m256i ref_expand_high, madd_low, madd_high;
- unsigned int i;
- __m256i zero_reg = _mm256_set1_epi16(0);
- __m256i sum_ref_src = _mm256_set1_epi16(0);
- __m256i madd_ref_src = _mm256_set1_epi16(0);
-
- // processing 32 elements in parallel
- for (i = 0; i < 16; i++) {
- src = _mm256_loadu_si256((__m256i const *)(src_ptr));
-
- ref = _mm256_loadu_si256((__m256i const *)(ref_ptr));
-
- // expanding to 16 bit each lane
- src_expand_low = _mm256_unpacklo_epi8(src, zero_reg);
- src_expand_high = _mm256_unpackhi_epi8(src, zero_reg);
-
- ref_expand_low = _mm256_unpacklo_epi8(ref, zero_reg);
- ref_expand_high = _mm256_unpackhi_epi8(ref, zero_reg);
-
- // src-ref
- src_expand_low = _mm256_sub_epi16(src_expand_low, ref_expand_low);
- src_expand_high = _mm256_sub_epi16(src_expand_high, ref_expand_high);
-
- // madd low (src - ref)
- madd_low = _mm256_madd_epi16(src_expand_low, src_expand_low);
-
- // add high to low
- src_expand_low = _mm256_add_epi16(src_expand_low, src_expand_high);
-
- // madd high (src - ref)
- madd_high = _mm256_madd_epi16(src_expand_high, src_expand_high);
-
- sum_ref_src = _mm256_add_epi16(sum_ref_src, src_expand_low);
-
- // add high to low
- madd_ref_src =
- _mm256_add_epi32(madd_ref_src, _mm256_add_epi32(madd_low, madd_high));
-
- src_ptr += source_stride;
- ref_ptr += recon_stride;
- }
-
- {
- __m256i expand_sum_low, expand_sum_high, expand_sum;
- __m256i expand_madd_low, expand_madd_high, expand_madd;
- __m256i ex_expand_sum_low, ex_expand_sum_high, ex_expand_sum;
-
- // padding each 2 bytes with another 2 zeroed bytes
- expand_sum_low = _mm256_unpacklo_epi16(zero_reg, sum_ref_src);
- expand_sum_high = _mm256_unpackhi_epi16(zero_reg, sum_ref_src);
-
- // shifting the sign 16 bits right
- expand_sum_low = _mm256_srai_epi32(expand_sum_low, 16);
- expand_sum_high = _mm256_srai_epi32(expand_sum_high, 16);
-
- expand_sum = _mm256_add_epi32(expand_sum_low, expand_sum_high);
-
- // expand each 32 bits of the madd result to 64 bits
- expand_madd_low = _mm256_unpacklo_epi32(madd_ref_src, zero_reg);
- expand_madd_high = _mm256_unpackhi_epi32(madd_ref_src, zero_reg);
-
- expand_madd = _mm256_add_epi32(expand_madd_low, expand_madd_high);
-
- ex_expand_sum_low = _mm256_unpacklo_epi32(expand_sum, zero_reg);
- ex_expand_sum_high = _mm256_unpackhi_epi32(expand_sum, zero_reg);
-
- ex_expand_sum = _mm256_add_epi32(ex_expand_sum_low, ex_expand_sum_high);
-
- // shift 8 bytes eight
- madd_ref_src = _mm256_srli_si256(expand_madd, 8);
- sum_ref_src = _mm256_srli_si256(ex_expand_sum, 8);
-
- madd_ref_src = _mm256_add_epi32(madd_ref_src, expand_madd);
- sum_ref_src = _mm256_add_epi32(sum_ref_src, ex_expand_sum);
-
- // extract the low lane and the high lane and add the results
- *((int *)SSE) =
- _mm_cvtsi128_si32(_mm256_castsi256_si128(madd_ref_src)) +
- _mm_cvtsi128_si32(_mm256_extractf128_si256(madd_ref_src, 1));
-
- *((int *)Sum) = _mm_cvtsi128_si32(_mm256_castsi256_si128(sum_ref_src)) +
- _mm_cvtsi128_si32(_mm256_extractf128_si256(sum_ref_src, 1));
- }
- _mm256_zeroupper();
-}
-
#define FILTER_SRC(filter) \
/* filter the source */ \
exp_src_lo = _mm256_maddubs_epi16(exp_src_lo, filter); \
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-26 22:40:27 +0000