libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_idct.h

 /*
  *  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.
  */
 
 #ifndef VP9_COMMON_VP9_IDCT_H_
 #define VP9_COMMON_VP9_IDCT_H_
 
 #include <assert.h>
 
 #include "./vpx_config.h"
 #include "vpx/vpx_integer.h"
 #include "vp9/common/vp9_common.h"
 
 
 // Constants and Macros used by all idct/dct functions
 #define DCT_CONST_BITS 14
 #define DCT_CONST_ROUNDING  (1 << (DCT_CONST_BITS - 1))
 
 #define WHT_UPSCALE_FACTOR 2
 
 #define pair_set_epi16(a, b) \
   _mm_set1_epi32(((uint16_t)(a)) + (((uint16_t)(b)) << 16))
 
+#define pair_set_epi32(a, b) \
+  _mm_set_epi32(b, a, b, a)
+
 // Constants:
 //  for (int i = 1; i< 32; ++i)
 //    printf("static const int cospi_%d_64 = %.0f;\n", i,
 //           round(16384 * cos(i*M_PI/64)));
 // Note: sin(k*Pi/64) = cos((32-k)*Pi/64)
 static const int cospi_1_64  = 16364;
 static const int cospi_2_64  = 16305;
 static const int cospi_3_64  = 16207;
 static const int cospi_4_64  = 16069;
 static const int cospi_5_64  = 15893;
@@ skipping 36 matching lines @@
   return rv;
 }
 
 typedef void (*transform_1d)(int16_t*, int16_t*);
 
 typedef struct {
   transform_1d cols, rows;  // vertical and horizontal
 } transform_2d;
 
 #endif  // VP9_COMMON_VP9_IDCT_H_