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highbd variance: resolve missing declarations

The optimizations were accidentally disabled during the move from vp9

commit  c3bdffb0a508ad08d5dfa613c029f368d4293d4c
author  Johann <johannkoenig@google.com>        Fri May 15 18:52:03 2015
Move variance functions to vpx_dsp

subpel functions will be moved in another patch.

BUG=webm:1584

Change-Id: Ia7899ee0cfad13a0e1516b89756552064846e81c

--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl

+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl

@@ -1357,13 +1357,22 @@

   add_proto qw/unsigned int vpx_highbd_8_variance4x4/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";

   add_proto qw/void vpx_highbd_8_get16x16var/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";

+  specialize qw/vpx_highbd_8_get16x16var sse2/;

+

   add_proto qw/void vpx_highbd_8_get8x8var/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";

+  specialize qw/vpx_highbd_8_get8x8var sse2/;

   add_proto qw/void vpx_highbd_10_get16x16var/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";

+  specialize qw/vpx_highbd_10_get16x16var sse2/;

+

   add_proto qw/void vpx_highbd_10_get8x8var/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";

+  specialize qw/vpx_highbd_10_get8x8var sse2/;

   add_proto qw/void vpx_highbd_12_get16x16var/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";

+  specialize qw/vpx_highbd_12_get16x16var sse2/;

+

   add_proto qw/void vpx_highbd_12_get8x8var/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";

+  specialize qw/vpx_highbd_12_get8x8var sse2/;

   add_proto qw/unsigned int vpx_highbd_8_mse16x16/, "const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";

   specialize qw/vpx_highbd_8_mse16x16 sse2/;

--- a/vpx_dsp/x86/highbd_variance_sse2.c

+++ b/vpx_dsp/x86/highbd_variance_sse2.c

@@ -7,8 +7,9 @@

  *  in the file PATENTS.  All contributing project authors may

  *  be found in the AUTHORS file in the root of the source tree.

  */

-#include "./vpx_config.h"

+#include "./vpx_config.h"

+#include "./vpx_dsp_rtcd.h"

 #include "vpx_ports/mem.h"

 typedef uint32_t (*high_variance_fn_t)(const uint16_t *src, int src_stride,

@@ -89,9 +90,9 @@

 }

 #define HIGH_GET_VAR(S)                                                       \

-  void vpx_highbd_get##S##x##S##var_sse2(const uint8_t *src8, int src_stride, \

-                                         const uint8_t *ref8, int ref_stride, \

-                                         uint32_t *sse, int *sum) {           \

+  void vpx_highbd_8_get##S##x##S##var_sse2(                                   \

+      const uint8_t *src8, int src_stride, const uint8_t *ref8,               \

+      int ref_stride, uint32_t *sse, int *sum) {                              \

     uint16_t *src = CONVERT_TO_SHORTPTR(src8);                                \

     uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);                                \

     vpx_highbd_calc##S##x##S##var_sse2(src, src_stride, ref, ref_stride, sse, \