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-rw-r--r--third_party/aom/aom_dsp/x86/variance_sse2.c690
1 files changed, 690 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/variance_sse2.c b/third_party/aom/aom_dsp/x86/variance_sse2.c
new file mode 100644
index 000000000..d9563aa7f
--- /dev/null
+++ b/third_party/aom/aom_dsp/x86/variance_sse2.c
@@ -0,0 +1,690 @@
+/*
+ * 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 <assert.h>
+#include <emmintrin.h> // SSE2
+
+#include "./aom_config.h"
+#include "./aom_dsp_rtcd.h"
+
+#include "aom_ports/mem.h"
+
+typedef void (*getNxMvar_fn_t)(const unsigned char *src, int src_stride,
+ const unsigned char *ref, int ref_stride,
+ unsigned int *sse, int *sum);
+
+unsigned int aom_get_mb_ss_sse2(const int16_t *src) {
+ __m128i vsum = _mm_setzero_si128();
+ int i;
+
+ for (i = 0; i < 32; ++i) {
+ const __m128i v = _mm_loadu_si128((const __m128i *)src);
+ vsum = _mm_add_epi32(vsum, _mm_madd_epi16(v, v));
+ src += 8;
+ }
+
+ vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 4));
+ return _mm_cvtsi128_si32(vsum);
+}
+
+#define READ64(p, stride, i) \
+ _mm_unpacklo_epi8( \
+ _mm_cvtsi32_si128(*(const uint32_t *)(p + i * stride)), \
+ _mm_cvtsi32_si128(*(const uint32_t *)(p + (i + 1) * stride)))
+
+static void get4x4var_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse, int *sum) {
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i src0 = _mm_unpacklo_epi8(READ64(src, src_stride, 0), zero);
+ const __m128i src1 = _mm_unpacklo_epi8(READ64(src, src_stride, 2), zero);
+ const __m128i ref0 = _mm_unpacklo_epi8(READ64(ref, ref_stride, 0), zero);
+ const __m128i ref1 = _mm_unpacklo_epi8(READ64(ref, ref_stride, 2), zero);
+ const __m128i diff0 = _mm_sub_epi16(src0, ref0);
+ const __m128i diff1 = _mm_sub_epi16(src1, ref1);
+
+ // sum
+ __m128i vsum = _mm_add_epi16(diff0, diff1);
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 2));
+ *sum = (int16_t)_mm_extract_epi16(vsum, 0);
+
+ // sse
+ vsum =
+ _mm_add_epi32(_mm_madd_epi16(diff0, diff0), _mm_madd_epi16(diff1, diff1));
+ vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 4));
+ *sse = _mm_cvtsi128_si32(vsum);
+}
+
+void aom_get8x8var_sse2(const uint8_t *src, int src_stride, const uint8_t *ref,
+ int ref_stride, unsigned int *sse, int *sum) {
+ const __m128i zero = _mm_setzero_si128();
+ __m128i vsum = _mm_setzero_si128();
+ __m128i vsse = _mm_setzero_si128();
+ int i;
+
+ for (i = 0; i < 8; i += 2) {
+ const __m128i src0 = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((const __m128i *)(src + i * src_stride)), zero);
+ const __m128i ref0 = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((const __m128i *)(ref + i * ref_stride)), zero);
+ const __m128i diff0 = _mm_sub_epi16(src0, ref0);
+
+ const __m128i src1 = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((const __m128i *)(src + (i + 1) * src_stride)), zero);
+ const __m128i ref1 = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((const __m128i *)(ref + (i + 1) * ref_stride)), zero);
+ const __m128i diff1 = _mm_sub_epi16(src1, ref1);
+
+ vsum = _mm_add_epi16(vsum, diff0);
+ vsum = _mm_add_epi16(vsum, diff1);
+ vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff0, diff0));
+ vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff1, diff1));
+ }
+
+ // sum
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 2));
+ *sum = (int16_t)_mm_extract_epi16(vsum, 0);
+
+ // sse
+ vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 8));
+ vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 4));
+ *sse = _mm_cvtsi128_si32(vsse);
+}
+
+void aom_get16x16var_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride, unsigned int *sse,
+ int *sum) {
+ const __m128i zero = _mm_setzero_si128();
+ __m128i vsum = _mm_setzero_si128();
+ __m128i vsse = _mm_setzero_si128();
+ int i;
+
+ for (i = 0; i < 16; ++i) {
+ const __m128i s = _mm_loadu_si128((const __m128i *)src);
+ const __m128i r = _mm_loadu_si128((const __m128i *)ref);
+
+ const __m128i src0 = _mm_unpacklo_epi8(s, zero);
+ const __m128i ref0 = _mm_unpacklo_epi8(r, zero);
+ const __m128i diff0 = _mm_sub_epi16(src0, ref0);
+
+ const __m128i src1 = _mm_unpackhi_epi8(s, zero);
+ const __m128i ref1 = _mm_unpackhi_epi8(r, zero);
+ const __m128i diff1 = _mm_sub_epi16(src1, ref1);
+
+ vsum = _mm_add_epi16(vsum, diff0);
+ vsum = _mm_add_epi16(vsum, diff1);
+ vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff0, diff0));
+ vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff1, diff1));
+
+ src += src_stride;
+ ref += ref_stride;
+ }
+
+ // sum
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
+ *sum =
+ (int16_t)_mm_extract_epi16(vsum, 0) + (int16_t)_mm_extract_epi16(vsum, 1);
+
+ // sse
+ vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 8));
+ vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 4));
+ *sse = _mm_cvtsi128_si32(vsse);
+}
+
+static void variance_sse2(const unsigned char *src, int src_stride,
+ const unsigned char *ref, int ref_stride, int w,
+ int h, unsigned int *sse, int *sum,
+ getNxMvar_fn_t var_fn, int block_size) {
+ int i, j;
+
+ *sse = 0;
+ *sum = 0;
+
+ for (i = 0; i < h; i += block_size) {
+ for (j = 0; j < w; j += block_size) {
+ unsigned int sse0;
+ int sum0;
+ var_fn(src + src_stride * i + j, src_stride, ref + ref_stride * i + j,
+ ref_stride, &sse0, &sum0);
+ *sse += sse0;
+ *sum += sum0;
+ }
+ }
+}
+
+unsigned int aom_variance4x4_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ get4x4var_sse2(src, src_stride, ref, ref_stride, sse, &sum);
+ assert(sum <= 255 * 4 * 4);
+ assert(sum >= -255 * 4 * 4);
+ return *sse - ((sum * sum) >> 4);
+}
+
+unsigned int aom_variance8x4_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 8, 4, sse, &sum,
+ get4x4var_sse2, 4);
+ assert(sum <= 255 * 8 * 4);
+ assert(sum >= -255 * 8 * 4);
+ return *sse - ((sum * sum) >> 5);
+}
+
+unsigned int aom_variance4x8_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 4, 8, sse, &sum,
+ get4x4var_sse2, 4);
+ assert(sum <= 255 * 8 * 4);
+ assert(sum >= -255 * 8 * 4);
+ return *sse - ((sum * sum) >> 5);
+}
+
+unsigned int aom_variance8x8_sse2(const unsigned char *src, int src_stride,
+ const unsigned char *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ aom_get8x8var_sse2(src, src_stride, ref, ref_stride, sse, &sum);
+ assert(sum <= 255 * 8 * 8);
+ assert(sum >= -255 * 8 * 8);
+ return *sse - ((sum * sum) >> 6);
+}
+
+unsigned int aom_variance16x8_sse2(const unsigned char *src, int src_stride,
+ const unsigned char *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 16, 8, sse, &sum,
+ aom_get8x8var_sse2, 8);
+ assert(sum <= 255 * 16 * 8);
+ assert(sum >= -255 * 16 * 8);
+ return *sse - ((sum * sum) >> 7);
+}
+
+unsigned int aom_variance8x16_sse2(const unsigned char *src, int src_stride,
+ const unsigned char *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 8, 16, sse, &sum,
+ aom_get8x8var_sse2, 8);
+ assert(sum <= 255 * 16 * 8);
+ assert(sum >= -255 * 16 * 8);
+ return *sse - ((sum * sum) >> 7);
+}
+
+unsigned int aom_variance16x16_sse2(const unsigned char *src, int src_stride,
+ const unsigned char *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ aom_get16x16var_sse2(src, src_stride, ref, ref_stride, sse, &sum);
+ assert(sum <= 255 * 16 * 16);
+ assert(sum >= -255 * 16 * 16);
+ return *sse - ((uint32_t)((int64_t)sum * sum) >> 8);
+}
+
+unsigned int aom_variance32x32_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 32, 32, sse, &sum,
+ aom_get16x16var_sse2, 16);
+ assert(sum <= 255 * 32 * 32);
+ assert(sum >= -255 * 32 * 32);
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> 10);
+}
+
+unsigned int aom_variance32x16_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 32, 16, sse, &sum,
+ aom_get16x16var_sse2, 16);
+ assert(sum <= 255 * 32 * 16);
+ assert(sum >= -255 * 32 * 16);
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> 9);
+}
+
+unsigned int aom_variance16x32_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 16, 32, sse, &sum,
+ aom_get16x16var_sse2, 16);
+ assert(sum <= 255 * 32 * 16);
+ assert(sum >= -255 * 32 * 16);
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> 9);
+}
+
+unsigned int aom_variance64x64_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 64, 64, sse, &sum,
+ aom_get16x16var_sse2, 16);
+ assert(sum <= 255 * 64 * 64);
+ assert(sum >= -255 * 64 * 64);
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> 12);
+}
+
+unsigned int aom_variance64x32_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 64, 32, sse, &sum,
+ aom_get16x16var_sse2, 16);
+ assert(sum <= 255 * 64 * 32);
+ assert(sum >= -255 * 64 * 32);
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> 11);
+}
+
+unsigned int aom_variance32x64_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ int sum;
+ variance_sse2(src, src_stride, ref, ref_stride, 32, 64, sse, &sum,
+ aom_get16x16var_sse2, 16);
+ assert(sum <= 255 * 64 * 32);
+ assert(sum >= -255 * 64 * 32);
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> 11);
+}
+
+unsigned int aom_mse8x8_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance8x8_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+unsigned int aom_mse8x16_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance8x16_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+unsigned int aom_mse16x8_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance16x8_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+unsigned int aom_mse16x16_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance16x16_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+// The 2 unused parameters are place holders for PIC enabled build.
+// These definitions are for functions defined in subpel_variance.asm
+#define DECL(w, opt) \
+ int aom_sub_pixel_variance##w##xh_##opt( \
+ const uint8_t *src, ptrdiff_t src_stride, int x_offset, int y_offset, \
+ const uint8_t *dst, ptrdiff_t dst_stride, int height, unsigned int *sse, \
+ void *unused0, void *unused)
+#define DECLS(opt1, opt2) \
+ DECL(4, opt1); \
+ DECL(8, opt1); \
+ DECL(16, opt1)
+
+DECLS(sse2, sse2);
+DECLS(ssse3, ssse3);
+#undef DECLS
+#undef DECL
+
+#define FN(w, h, wf, wlog2, hlog2, opt, cast_prod, cast) \
+ unsigned int aom_sub_pixel_variance##w##x##h##_##opt( \
+ const uint8_t *src, int src_stride, int x_offset, int y_offset, \
+ const uint8_t *dst, int dst_stride, unsigned int *sse_ptr) { \
+ unsigned int sse; \
+ int se = aom_sub_pixel_variance##wf##xh_##opt(src, src_stride, x_offset, \
+ y_offset, dst, dst_stride, \
+ h, &sse, NULL, NULL); \
+ if (w > wf) { \
+ unsigned int sse2; \
+ int se2 = aom_sub_pixel_variance##wf##xh_##opt( \
+ src + 16, src_stride, x_offset, y_offset, dst + 16, dst_stride, h, \
+ &sse2, NULL, NULL); \
+ se += se2; \
+ sse += sse2; \
+ if (w > wf * 2) { \
+ se2 = aom_sub_pixel_variance##wf##xh_##opt( \
+ src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, h, \
+ &sse2, NULL, NULL); \
+ se += se2; \
+ sse += sse2; \
+ se2 = aom_sub_pixel_variance##wf##xh_##opt( \
+ src + 48, src_stride, x_offset, y_offset, dst + 48, dst_stride, h, \
+ &sse2, NULL, NULL); \
+ se += se2; \
+ sse += sse2; \
+ } \
+ } \
+ *sse_ptr = sse; \
+ return sse - (unsigned int)(cast_prod(cast se * se) >> (wlog2 + hlog2)); \
+ }
+
+#define FNS(opt1, opt2) \
+ FN(64, 64, 16, 6, 6, opt1, (int64_t), (int64_t)); \
+ FN(64, 32, 16, 6, 5, opt1, (int64_t), (int64_t)); \
+ FN(32, 64, 16, 5, 6, opt1, (int64_t), (int64_t)); \
+ FN(32, 32, 16, 5, 5, opt1, (int64_t), (int64_t)); \
+ FN(32, 16, 16, 5, 4, opt1, (int64_t), (int64_t)); \
+ FN(16, 32, 16, 4, 5, opt1, (int64_t), (int64_t)); \
+ FN(16, 16, 16, 4, 4, opt1, (uint32_t), (int64_t)); \
+ FN(16, 8, 16, 4, 3, opt1, (int32_t), (int32_t)); \
+ FN(8, 16, 8, 3, 4, opt1, (int32_t), (int32_t)); \
+ FN(8, 8, 8, 3, 3, opt1, (int32_t), (int32_t)); \
+ FN(8, 4, 8, 3, 2, opt1, (int32_t), (int32_t)); \
+ FN(4, 8, 4, 2, 3, opt1, (int32_t), (int32_t)); \
+ FN(4, 4, 4, 2, 2, opt1, (int32_t), (int32_t))
+
+FNS(sse2, sse2);
+FNS(ssse3, ssse3);
+
+#undef FNS
+#undef FN
+
+// The 2 unused parameters are place holders for PIC enabled build.
+#define DECL(w, opt) \
+ int aom_sub_pixel_avg_variance##w##xh_##opt( \
+ const uint8_t *src, ptrdiff_t src_stride, int x_offset, int y_offset, \
+ const uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *sec, \
+ ptrdiff_t sec_stride, int height, unsigned int *sse, void *unused0, \
+ void *unused)
+#define DECLS(opt1, opt2) \
+ DECL(4, opt1); \
+ DECL(8, opt1); \
+ DECL(16, opt1)
+
+DECLS(sse2, sse2);
+DECLS(ssse3, ssse3);
+#undef DECL
+#undef DECLS
+
+#define FN(w, h, wf, wlog2, hlog2, opt, cast_prod, cast) \
+ unsigned int aom_sub_pixel_avg_variance##w##x##h##_##opt( \
+ const uint8_t *src, int src_stride, int x_offset, int y_offset, \
+ const uint8_t *dst, int dst_stride, unsigned int *sseptr, \
+ const uint8_t *sec) { \
+ unsigned int sse; \
+ int se = aom_sub_pixel_avg_variance##wf##xh_##opt( \
+ src, src_stride, x_offset, y_offset, dst, dst_stride, sec, w, h, &sse, \
+ NULL, NULL); \
+ if (w > wf) { \
+ unsigned int sse2; \
+ int se2 = aom_sub_pixel_avg_variance##wf##xh_##opt( \
+ src + 16, src_stride, x_offset, y_offset, dst + 16, dst_stride, \
+ sec + 16, w, h, &sse2, NULL, NULL); \
+ se += se2; \
+ sse += sse2; \
+ if (w > wf * 2) { \
+ se2 = aom_sub_pixel_avg_variance##wf##xh_##opt( \
+ src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, \
+ sec + 32, w, h, &sse2, NULL, NULL); \
+ se += se2; \
+ sse += sse2; \
+ se2 = aom_sub_pixel_avg_variance##wf##xh_##opt( \
+ src + 48, src_stride, x_offset, y_offset, dst + 48, dst_stride, \
+ sec + 48, w, h, &sse2, NULL, NULL); \
+ se += se2; \
+ sse += sse2; \
+ } \
+ } \
+ *sseptr = sse; \
+ return sse - (unsigned int)(cast_prod(cast se * se) >> (wlog2 + hlog2)); \
+ }
+
+#define FNS(opt1, opt2) \
+ FN(64, 64, 16, 6, 6, opt1, (int64_t), (int64_t)); \
+ FN(64, 32, 16, 6, 5, opt1, (int64_t), (int64_t)); \
+ FN(32, 64, 16, 5, 6, opt1, (int64_t), (int64_t)); \
+ FN(32, 32, 16, 5, 5, opt1, (int64_t), (int64_t)); \
+ FN(32, 16, 16, 5, 4, opt1, (int64_t), (int64_t)); \
+ FN(16, 32, 16, 4, 5, opt1, (int64_t), (int64_t)); \
+ FN(16, 16, 16, 4, 4, opt1, (uint32_t), (int64_t)); \
+ FN(16, 8, 16, 4, 3, opt1, (uint32_t), (int32_t)); \
+ FN(8, 16, 8, 3, 4, opt1, (uint32_t), (int32_t)); \
+ FN(8, 8, 8, 3, 3, opt1, (uint32_t), (int32_t)); \
+ FN(8, 4, 8, 3, 2, opt1, (uint32_t), (int32_t)); \
+ FN(4, 8, 4, 2, 3, opt1, (uint32_t), (int32_t)); \
+ FN(4, 4, 4, 2, 2, opt1, (uint32_t), (int32_t))
+
+FNS(sse2, sse);
+FNS(ssse3, ssse3);
+
+#undef FNS
+#undef FN
+
+void aom_upsampled_pred_sse2(uint8_t *comp_pred, int width, int height,
+ const uint8_t *ref, int ref_stride) {
+ int i, j;
+ int stride = ref_stride << 3;
+
+ if (width >= 16) {
+ // read 16 points at one time
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j += 16) {
+ __m128i s0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s1 = _mm_loadu_si128((const __m128i *)(ref + 16));
+ __m128i s2 = _mm_loadu_si128((const __m128i *)(ref + 32));
+ __m128i s3 = _mm_loadu_si128((const __m128i *)(ref + 48));
+ __m128i s4 = _mm_loadu_si128((const __m128i *)(ref + 64));
+ __m128i s5 = _mm_loadu_si128((const __m128i *)(ref + 80));
+ __m128i s6 = _mm_loadu_si128((const __m128i *)(ref + 96));
+ __m128i s7 = _mm_loadu_si128((const __m128i *)(ref + 112));
+ __m128i t0, t1, t2, t3;
+
+ t0 = _mm_unpacklo_epi8(s0, s1);
+ s1 = _mm_unpackhi_epi8(s0, s1);
+ t1 = _mm_unpacklo_epi8(s2, s3);
+ s3 = _mm_unpackhi_epi8(s2, s3);
+ t2 = _mm_unpacklo_epi8(s4, s5);
+ s5 = _mm_unpackhi_epi8(s4, s5);
+ t3 = _mm_unpacklo_epi8(s6, s7);
+ s7 = _mm_unpackhi_epi8(s6, s7);
+
+ s0 = _mm_unpacklo_epi8(t0, s1);
+ s2 = _mm_unpacklo_epi8(t1, s3);
+ s4 = _mm_unpacklo_epi8(t2, s5);
+ s6 = _mm_unpacklo_epi8(t3, s7);
+ s0 = _mm_unpacklo_epi32(s0, s2);
+ s4 = _mm_unpacklo_epi32(s4, s6);
+ s0 = _mm_unpacklo_epi64(s0, s4);
+
+ _mm_storeu_si128((__m128i *)(comp_pred), s0);
+ comp_pred += 16;
+ ref += 16 * 8;
+ }
+ ref += stride - (width << 3);
+ }
+ } else if (width >= 8) {
+ // read 8 points at one time
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j += 8) {
+ __m128i s0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s1 = _mm_loadu_si128((const __m128i *)(ref + 16));
+ __m128i s2 = _mm_loadu_si128((const __m128i *)(ref + 32));
+ __m128i s3 = _mm_loadu_si128((const __m128i *)(ref + 48));
+ __m128i t0, t1;
+
+ t0 = _mm_unpacklo_epi8(s0, s1);
+ s1 = _mm_unpackhi_epi8(s0, s1);
+ t1 = _mm_unpacklo_epi8(s2, s3);
+ s3 = _mm_unpackhi_epi8(s2, s3);
+
+ s0 = _mm_unpacklo_epi8(t0, s1);
+ s2 = _mm_unpacklo_epi8(t1, s3);
+ s0 = _mm_unpacklo_epi32(s0, s2);
+
+ _mm_storel_epi64((__m128i *)(comp_pred), s0);
+ comp_pred += 8;
+ ref += 8 * 8;
+ }
+ ref += stride - (width << 3);
+ }
+ } else {
+ // read 4 points at one time
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j += 4) {
+ __m128i s0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s1 = _mm_loadu_si128((const __m128i *)(ref + 16));
+ __m128i t0;
+
+ t0 = _mm_unpacklo_epi8(s0, s1);
+ s1 = _mm_unpackhi_epi8(s0, s1);
+ s0 = _mm_unpacklo_epi8(t0, s1);
+
+ *(int *)comp_pred = _mm_cvtsi128_si32(s0);
+ comp_pred += 4;
+ ref += 4 * 8;
+ }
+ ref += stride - (width << 3);
+ }
+ }
+}
+
+void aom_comp_avg_upsampled_pred_sse2(uint8_t *comp_pred, const uint8_t *pred,
+ int width, int height, const uint8_t *ref,
+ int ref_stride) {
+ const __m128i zero = _mm_set1_epi16(0);
+ const __m128i one = _mm_set1_epi16(1);
+ int i, j;
+ int stride = ref_stride << 3;
+
+ if (width >= 16) {
+ // read 16 points at one time
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j += 16) {
+ __m128i s0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s1 = _mm_loadu_si128((const __m128i *)(ref + 16));
+ __m128i s2 = _mm_loadu_si128((const __m128i *)(ref + 32));
+ __m128i s3 = _mm_loadu_si128((const __m128i *)(ref + 48));
+ __m128i s4 = _mm_loadu_si128((const __m128i *)(ref + 64));
+ __m128i s5 = _mm_loadu_si128((const __m128i *)(ref + 80));
+ __m128i s6 = _mm_loadu_si128((const __m128i *)(ref + 96));
+ __m128i s7 = _mm_loadu_si128((const __m128i *)(ref + 112));
+ __m128i p0 = _mm_loadu_si128((const __m128i *)pred);
+ __m128i p1;
+ __m128i t0, t1, t2, t3;
+
+ t0 = _mm_unpacklo_epi8(s0, s1);
+ s1 = _mm_unpackhi_epi8(s0, s1);
+ t1 = _mm_unpacklo_epi8(s2, s3);
+ s3 = _mm_unpackhi_epi8(s2, s3);
+ t2 = _mm_unpacklo_epi8(s4, s5);
+ s5 = _mm_unpackhi_epi8(s4, s5);
+ t3 = _mm_unpacklo_epi8(s6, s7);
+ s7 = _mm_unpackhi_epi8(s6, s7);
+
+ s0 = _mm_unpacklo_epi8(t0, s1);
+ s2 = _mm_unpacklo_epi8(t1, s3);
+ s4 = _mm_unpacklo_epi8(t2, s5);
+ s6 = _mm_unpacklo_epi8(t3, s7);
+
+ s0 = _mm_unpacklo_epi32(s0, s2);
+ s4 = _mm_unpacklo_epi32(s4, s6);
+ s0 = _mm_unpacklo_epi8(s0, zero);
+ s4 = _mm_unpacklo_epi8(s4, zero);
+
+ p1 = _mm_unpackhi_epi8(p0, zero);
+ p0 = _mm_unpacklo_epi8(p0, zero);
+ p0 = _mm_adds_epu16(s0, p0);
+ p1 = _mm_adds_epu16(s4, p1);
+ p0 = _mm_adds_epu16(p0, one);
+ p1 = _mm_adds_epu16(p1, one);
+
+ p0 = _mm_srli_epi16(p0, 1);
+ p1 = _mm_srli_epi16(p1, 1);
+ p0 = _mm_packus_epi16(p0, p1);
+
+ _mm_storeu_si128((__m128i *)(comp_pred), p0);
+ comp_pred += 16;
+ pred += 16;
+ ref += 16 * 8;
+ }
+ ref += stride - (width << 3);
+ }
+ } else if (width >= 8) {
+ // read 8 points at one time
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j += 8) {
+ __m128i s0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s1 = _mm_loadu_si128((const __m128i *)(ref + 16));
+ __m128i s2 = _mm_loadu_si128((const __m128i *)(ref + 32));
+ __m128i s3 = _mm_loadu_si128((const __m128i *)(ref + 48));
+ __m128i p0 = _mm_loadl_epi64((const __m128i *)pred);
+ __m128i t0, t1;
+
+ t0 = _mm_unpacklo_epi8(s0, s1);
+ s1 = _mm_unpackhi_epi8(s0, s1);
+ t1 = _mm_unpacklo_epi8(s2, s3);
+ s3 = _mm_unpackhi_epi8(s2, s3);
+
+ s0 = _mm_unpacklo_epi8(t0, s1);
+ s2 = _mm_unpacklo_epi8(t1, s3);
+ s0 = _mm_unpacklo_epi32(s0, s2);
+ s0 = _mm_unpacklo_epi8(s0, zero);
+
+ p0 = _mm_unpacklo_epi8(p0, zero);
+ p0 = _mm_adds_epu16(s0, p0);
+ p0 = _mm_adds_epu16(p0, one);
+ p0 = _mm_srli_epi16(p0, 1);
+ p0 = _mm_packus_epi16(p0, zero);
+
+ _mm_storel_epi64((__m128i *)(comp_pred), p0);
+ comp_pred += 8;
+ pred += 8;
+ ref += 8 * 8;
+ }
+ ref += stride - (width << 3);
+ }
+ } else {
+ // read 4 points at one time
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j += 4) {
+ __m128i s0 = _mm_loadu_si128((const __m128i *)ref);
+ __m128i s1 = _mm_loadu_si128((const __m128i *)(ref + 16));
+ __m128i p0 = _mm_cvtsi32_si128(*(const uint32_t *)pred);
+ __m128i t0;
+
+ t0 = _mm_unpacklo_epi8(s0, s1);
+ s1 = _mm_unpackhi_epi8(s0, s1);
+ s0 = _mm_unpacklo_epi8(t0, s1);
+ s0 = _mm_unpacklo_epi8(s0, zero);
+
+ p0 = _mm_unpacklo_epi8(p0, zero);
+ p0 = _mm_adds_epu16(s0, p0);
+ p0 = _mm_adds_epu16(p0, one);
+ p0 = _mm_srli_epi16(p0, 1);
+ p0 = _mm_packus_epi16(p0, zero);
+
+ *(int *)comp_pred = _mm_cvtsi128_si32(p0);
+ comp_pred += 4;
+ pred += 4;
+ ref += 4 * 8;
+ }
+ ref += stride - (width << 3);
+ }
+ }
+}