libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_variance_c.c

 /*
  *  Copyright (c) 2010 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 "vp9/encoder/vp9_variance.h"
 #include "vp9/common/vp9_filter.h"
 #include "vp9/common/vp9_subpelvar.h"
 #include "vpx/vpx_integer.h"
 #include "vpx_ports/mem.h"
+#include "./vp9_rtcd.h"
 
 unsigned int vp9_get_mb_ss_c(const int16_t *src_ptr) {
   unsigned int i, sum = 0;
 
   for (i = 0; i < 256; i++) {
     sum += (src_ptr[i] * src_ptr[i]);
   }
 
   return sum;
 }
@@ skipping 22 matching lines @@
   uint8_t temp2[68 * 64];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 33, 64, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 64, 64, 32, 64, vfilter);
 
-  return vp9_variance64x32_c(temp2, 64, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance64x32(temp2, 64, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance64x32_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[65 * 64];  // Temp data bufffer used in filtering
   uint8_t temp2[68 * 64];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 64 * 64);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 33, 64, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 64, 64, 32, 64, vfilter);
   comp_avg_pred(temp3, second_pred, 64, 32, temp2, 64);
-  return vp9_variance64x32_c(temp3, 64, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance64x32(temp3, 64, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_variance32x64_c(const uint8_t *src_ptr,
                                  int  source_stride,
                                  const uint8_t *ref_ptr,
                                  int  recon_stride,
                                  unsigned int *sse) {
   unsigned int var;
   int avg;
 
@@ skipping 13 matching lines @@
   uint8_t temp2[68 * 64];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 65, 32, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 32, 32, 64, 32, vfilter);
 
-  return vp9_variance32x64_c(temp2, 32, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance32x64(temp2, 32, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance32x64_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[65 * 64];  // Temp data bufffer used in filtering
   uint8_t temp2[68 * 64];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 32 * 64);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 65, 32, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 32, 32, 64, 32, vfilter);
   comp_avg_pred(temp3, second_pred, 32, 64, temp2, 32);
-  return vp9_variance32x64_c(temp3, 32, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance32x64(temp3, 32, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_variance32x16_c(const uint8_t *src_ptr,
                                  int  source_stride,
                                  const uint8_t *ref_ptr,
                                  int  recon_stride,
                                  unsigned int *sse) {
   unsigned int var;
   int avg;
 
@@ skipping 13 matching lines @@
   uint8_t temp2[36 * 32];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 17, 32, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 32, 32, 16, 32, vfilter);
 
-  return vp9_variance32x16_c(temp2, 32, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance32x16(temp2, 32, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance32x16_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[33 * 32];  // Temp data bufffer used in filtering
   uint8_t temp2[36 * 32];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 32 * 16);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 17, 32, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 32, 32, 16, 32, vfilter);
   comp_avg_pred(temp3, second_pred, 32, 16, temp2, 32);
-  return vp9_variance32x16_c(temp3, 32, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance32x16(temp3, 32, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_variance16x32_c(const uint8_t *src_ptr,
                                  int  source_stride,
                                  const uint8_t *ref_ptr,
                                  int  recon_stride,
                                  unsigned int *sse) {
   unsigned int var;
   int avg;
 
@@ skipping 13 matching lines @@
   uint8_t temp2[36 * 32];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 33, 16, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 16, 16, 32, 16, vfilter);
 
-  return vp9_variance16x32_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance16x32(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance16x32_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[33 * 32];  // Temp data bufffer used in filtering
   uint8_t temp2[36 * 32];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 16 * 32);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 33, 16, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 16, 16, 32, 16, vfilter);
   comp_avg_pred(temp3, second_pred, 16, 32, temp2, 16);
-  return vp9_variance16x32_c(temp3, 16, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance16x32(temp3, 16, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_variance64x64_c(const uint8_t *src_ptr,
                                  int  source_stride,
                                  const uint8_t *ref_ptr,
                                  int  recon_stride,
                                  unsigned int *sse) {
   unsigned int var;
   int avg;
 
@@ skipping 180 matching lines @@
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   // First filter 1d Horizontal
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 5, 4, hfilter);
 
   // Now filter Verticaly
   var_filter_block2d_bil_second_pass(fdata3, temp2, 4,  4,  4,  4, vfilter);
 
-  return vp9_variance4x4_c(temp2, 4, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance4x4(temp2, 4, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance4x4_c(const uint8_t *src_ptr,
                                              int  src_pixels_per_line,
                                              int  xoffset,
                                              int  yoffset,
                                              const uint8_t *dst_ptr,
                                              int dst_pixels_per_line,
                                              unsigned int *sse,
                                              const uint8_t *second_pred) {
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 4 * 4);  // compound pred buffer
   uint16_t fdata3[5 * 4];  // Temp data bufffer used in filtering
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   // First filter 1d Horizontal
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 5, 4, hfilter);
 
   // Now filter Verticaly
   var_filter_block2d_bil_second_pass(fdata3, temp2, 4,  4,  4,  4, vfilter);
   comp_avg_pred(temp3, second_pred, 4, 4, temp2, 4);
-  return vp9_variance4x4_c(temp3, 4, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance4x4(temp3, 4, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance8x8_c(const uint8_t *src_ptr,
                                          int  src_pixels_per_line,
                                          int  xoffset,
                                          int  yoffset,
                                          const uint8_t *dst_ptr,
                                          int dst_pixels_per_line,
                                          unsigned int *sse) {
   uint16_t fdata3[9 * 8];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 9, 8, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 8, 8, 8, 8, vfilter);
 
-  return vp9_variance8x8_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance8x8(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance8x8_c(const uint8_t *src_ptr,
                                              int  src_pixels_per_line,
                                              int  xoffset,
                                              int  yoffset,
                                              const uint8_t *dst_ptr,
                                              int dst_pixels_per_line,
                                              unsigned int *sse,
                                              const uint8_t *second_pred) {
   uint16_t fdata3[9 * 8];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 8 * 8);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 9, 8, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 8, 8, 8, 8, vfilter);
   comp_avg_pred(temp3, second_pred, 8, 8, temp2, 8);
-  return vp9_variance8x8_c(temp3, 8, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance8x8(temp3, 8, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance16x16_c(const uint8_t *src_ptr,
                                            int  src_pixels_per_line,
                                            int  xoffset,
                                            int  yoffset,
                                            const uint8_t *dst_ptr,
                                            int dst_pixels_per_line,
                                            unsigned int *sse) {
   uint16_t fdata3[17 * 16];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 17, 16, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 16, 16, 16, 16, vfilter);
 
-  return vp9_variance16x16_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance16x16(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance16x16_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[17 * 16];
   uint8_t temp2[20 * 16];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 16 * 16);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 17, 16, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 16, 16, 16, 16, vfilter);
 
   comp_avg_pred(temp3, second_pred, 16, 16, temp2, 16);
-  return vp9_variance16x16_c(temp3, 16, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance16x16(temp3, 16, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance64x64_c(const uint8_t *src_ptr,
                                            int  src_pixels_per_line,
                                            int  xoffset,
                                            int  yoffset,
                                            const uint8_t *dst_ptr,
                                            int dst_pixels_per_line,
                                            unsigned int *sse) {
   uint16_t fdata3[65 * 64];  // Temp data bufffer used in filtering
   uint8_t temp2[68 * 64];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 65, 64, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 64, 64, 64, 64, vfilter);
 
-  return vp9_variance64x64_c(temp2, 64, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance64x64(temp2, 64, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance64x64_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[65 * 64];  // Temp data bufffer used in filtering
   uint8_t temp2[68 * 64];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 64 * 64);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 65, 64, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 64, 64, 64, 64, vfilter);
   comp_avg_pred(temp3, second_pred, 64, 64, temp2, 64);
-  return vp9_variance64x64_c(temp3, 64, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance64x64(temp3, 64, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance32x32_c(const uint8_t *src_ptr,
                                            int  src_pixels_per_line,
                                            int  xoffset,
                                            int  yoffset,
                                            const uint8_t *dst_ptr,
                                            int dst_pixels_per_line,
                                            unsigned int *sse) {
   uint16_t fdata3[33 * 32];  // Temp data bufffer used in filtering
   uint8_t temp2[36 * 32];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 33, 32, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 32, 32, 32, 32, vfilter);
 
-  return vp9_variance32x32_c(temp2, 32, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance32x32(temp2, 32, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance32x32_c(const uint8_t *src_ptr,
                                                int  src_pixels_per_line,
                                                int  xoffset,
                                                int  yoffset,
                                                const uint8_t *dst_ptr,
                                                int dst_pixels_per_line,
                                                unsigned int *sse,
                                                const uint8_t *second_pred) {
   uint16_t fdata3[33 * 32];  // Temp data bufffer used in filtering
   uint8_t temp2[36 * 32];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 32 * 32);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 33, 32, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 32, 32, 32, 32, vfilter);
   comp_avg_pred(temp3, second_pred, 32, 32, temp2, 32);
-  return vp9_variance32x32_c(temp3, 32, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance32x32(temp3, 32, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_variance_halfpixvar16x16_h_c(const uint8_t *src_ptr,
                                               int  source_stride,
                                               const uint8_t *ref_ptr,
                                               int  recon_stride,
                                               unsigned int *sse) {
   return vp9_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 0,
                                        ref_ptr, recon_stride, sse);
 }
@@ skipping 120 matching lines @@
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 9, 16, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 16, 16, 8, 16, vfilter);
 
-  return vp9_variance16x8_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance16x8(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance16x8_c(const uint8_t *src_ptr,
                                               int  src_pixels_per_line,
                                               int  xoffset,
                                               int  yoffset,
                                               const uint8_t *dst_ptr,
                                               int dst_pixels_per_line,
                                               unsigned int *sse,
                                               const uint8_t *second_pred) {
   uint16_t fdata3[16 * 9];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 16 * 8);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 9, 16, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 16, 16, 8, 16, vfilter);
   comp_avg_pred(temp3, second_pred, 16, 8, temp2, 16);
-  return vp9_variance16x8_c(temp3, 16, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance16x8(temp3, 16, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance8x16_c(const uint8_t *src_ptr,
                                           int  src_pixels_per_line,
                                           int  xoffset,
                                           int  yoffset,
                                           const uint8_t *dst_ptr,
                                           int dst_pixels_per_line,
                                           unsigned int *sse) {
   uint16_t fdata3[9 * 16];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 17, 8, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 8, 8, 16, 8, vfilter);
 
-  return vp9_variance8x16_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance8x16(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance8x16_c(const uint8_t *src_ptr,
                                               int  src_pixels_per_line,
                                               int  xoffset,
                                               int  yoffset,
                                               const uint8_t *dst_ptr,
                                               int dst_pixels_per_line,
                                               unsigned int *sse,
                                               const uint8_t *second_pred) {
   uint16_t fdata3[9 * 16];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 8 * 16);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 17, 8, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 8, 8, 16, 8, vfilter);
   comp_avg_pred(temp3, second_pred, 8, 16, temp2, 8);
-  return vp9_variance8x16_c(temp3, 8, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance8x16(temp3, 8, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance8x4_c(const uint8_t *src_ptr,
                                          int  src_pixels_per_line,
                                          int  xoffset,
                                          int  yoffset,
                                          const uint8_t *dst_ptr,
                                          int dst_pixels_per_line,
                                          unsigned int *sse) {
   uint16_t fdata3[8 * 5];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 5, 8, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 8, 8, 4, 8, vfilter);
 
-  return vp9_variance8x4_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance8x4(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance8x4_c(const uint8_t *src_ptr,
                                              int  src_pixels_per_line,
                                              int  xoffset,
                                              int  yoffset,
                                              const uint8_t *dst_ptr,
                                              int dst_pixels_per_line,
                                              unsigned int *sse,
                                              const uint8_t *second_pred) {
   uint16_t fdata3[8 * 5];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 8 * 4);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 5, 8, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 8, 8, 4, 8, vfilter);
   comp_avg_pred(temp3, second_pred, 8, 4, temp2, 8);
-  return vp9_variance8x4_c(temp3, 8, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance8x4(temp3, 8, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_variance4x8_c(const uint8_t *src_ptr,
                                          int  src_pixels_per_line,
                                          int  xoffset,
                                          int  yoffset,
                                          const uint8_t *dst_ptr,
                                          int dst_pixels_per_line,
                                          unsigned int *sse) {
   uint16_t fdata3[5 * 8];  // Temp data bufffer used in filtering
   // FIXME(jingning,rbultje): this temp2 buffer probably doesn't need to be
   // of this big? same issue appears in all other block size settings.
   uint8_t temp2[20 * 16];
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 9, 4, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 8, 4, vfilter);
 
-  return vp9_variance4x8_c(temp2, 4, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance4x8(temp2, 4, dst_ptr, dst_pixels_per_line, sse);
 }
 
 unsigned int vp9_sub_pixel_avg_variance4x8_c(const uint8_t *src_ptr,
                                              int  src_pixels_per_line,
                                              int  xoffset,
                                              int  yoffset,
                                              const uint8_t *dst_ptr,
                                              int dst_pixels_per_line,
                                              unsigned int *sse,
                                              const uint8_t *second_pred) {
   uint16_t fdata3[5 * 8];  // Temp data bufffer used in filtering
   uint8_t temp2[20 * 16];
   DECLARE_ALIGNED_ARRAY(16, uint8_t, temp3, 4 * 8);  // compound pred buffer
   const int16_t *hfilter, *vfilter;
 
   hfilter = VP9_BILINEAR_FILTERS_2TAP(xoffset);
   vfilter = VP9_BILINEAR_FILTERS_2TAP(yoffset);
 
   var_filter_block2d_bil_first_pass(src_ptr, fdata3, src_pixels_per_line,
                                     1, 9, 4, hfilter);
   var_filter_block2d_bil_second_pass(fdata3, temp2, 4, 4, 8, 4, vfilter);
   comp_avg_pred(temp3, second_pred, 4, 8, temp2, 4);
-  return vp9_variance4x8_c(temp3, 4, dst_ptr, dst_pixels_per_line, sse);
+  return vp9_variance4x8(temp3, 4, dst_ptr, dst_pixels_per_line, sse);
 }