libvpx: Pull from upstream

source/libvpx/vpx_dsp/x86/variance_impl_avx2.c

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <immintrin.h>  // AVX2
 
-void vp9_get16x16var_avx2(const unsigned char *src_ptr,
+#include "./vpx_dsp_rtcd.h"
+
+void vpx_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);
@@ skipping 90 matching lines @@
 
         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);
     }
 }
 
-void vp9_get32x32var_avx2(const unsigned char *src_ptr,
+void vpx_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);
@@ skipping 69 matching lines @@
       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));
     }
 }