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-rw-r--r--media/libaom/src/aom_dsp/x86/sum_squares_avx2.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/media/libaom/src/aom_dsp/x86/sum_squares_avx2.c b/media/libaom/src/aom_dsp/x86/sum_squares_avx2.c
new file mode 100644
index 000000000..0af44e3a4
--- /dev/null
+++ b/media/libaom/src/aom_dsp/x86/sum_squares_avx2.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2018, 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 <smmintrin.h>
+
+#include "aom_dsp/x86/synonyms.h"
+#include "aom_dsp/x86/synonyms_avx2.h"
+#include "aom_dsp/x86/sum_squares_sse2.h"
+#include "config/aom_dsp_rtcd.h"
+
+static uint64_t aom_sum_squares_2d_i16_nxn_avx2(const int16_t *src, int stride,
+ int width, int height) {
+ uint64_t result;
+ __m256i v_acc_q = _mm256_setzero_si256();
+ const __m256i v_zext_mask_q = yy_set1_64_from_32i(0xffffffff);
+ for (int col = 0; col < height; col += 4) {
+ __m256i v_acc_d = _mm256_setzero_si256();
+ for (int row = 0; row < width; row += 16) {
+ const int16_t *tempsrc = src + row;
+ const __m256i v_val_0_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 0 * stride));
+ const __m256i v_val_1_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 1 * stride));
+ const __m256i v_val_2_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 2 * stride));
+ const __m256i v_val_3_w =
+ _mm256_loadu_si256((const __m256i *)(tempsrc + 3 * stride));
+
+ const __m256i v_sq_0_d = _mm256_madd_epi16(v_val_0_w, v_val_0_w);
+ const __m256i v_sq_1_d = _mm256_madd_epi16(v_val_1_w, v_val_1_w);
+ const __m256i v_sq_2_d = _mm256_madd_epi16(v_val_2_w, v_val_2_w);
+ const __m256i v_sq_3_d = _mm256_madd_epi16(v_val_3_w, v_val_3_w);
+
+ const __m256i v_sum_01_d = _mm256_add_epi32(v_sq_0_d, v_sq_1_d);
+ const __m256i v_sum_23_d = _mm256_add_epi32(v_sq_2_d, v_sq_3_d);
+ const __m256i v_sum_0123_d = _mm256_add_epi32(v_sum_01_d, v_sum_23_d);
+
+ v_acc_d = _mm256_add_epi32(v_acc_d, v_sum_0123_d);
+ }
+ v_acc_q =
+ _mm256_add_epi64(v_acc_q, _mm256_and_si256(v_acc_d, v_zext_mask_q));
+ v_acc_q = _mm256_add_epi64(v_acc_q, _mm256_srli_epi64(v_acc_d, 32));
+ src += 4 * stride;
+ }
+ __m128i lower_64_2_Value = _mm256_castsi256_si128(v_acc_q);
+ __m128i higher_64_2_Value = _mm256_extracti128_si256(v_acc_q, 1);
+ __m128i result_64_2_int = _mm_add_epi64(lower_64_2_Value, higher_64_2_Value);
+
+ result_64_2_int = _mm_add_epi64(
+ result_64_2_int, _mm_unpackhi_epi64(result_64_2_int, result_64_2_int));
+
+ xx_storel_64(&result, result_64_2_int);
+
+ return result;
+}
+
+uint64_t aom_sum_squares_2d_i16_avx2(const int16_t *src, int stride, int width,
+ int height) {
+ if (LIKELY(width == 4 && height == 4)) {
+ return aom_sum_squares_2d_i16_4x4_sse2(src, stride);
+ } else if (LIKELY(width == 4 && (height & 3) == 0)) {
+ return aom_sum_squares_2d_i16_4xn_sse2(src, stride, height);
+ } else if (LIKELY(width == 8 && (height & 3) == 0)) {
+ return aom_sum_squares_2d_i16_nxn_sse2(src, stride, width, height);
+ } else if (LIKELY(((width & 15) == 0) && ((height & 3) == 0))) {
+ return aom_sum_squares_2d_i16_nxn_avx2(src, stride, width, height);
+ } else {
+ return aom_sum_squares_2d_i16_c(src, stride, width, height);
+ }
+}