libvpx: Pull from upstream

source/libvpx/vpx_dsp/mips/idct4x4_msa.c

 /*
  *  Copyright (c) 2015 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 "vpx_dsp/mips/inv_txfm_msa.h"
 
-void vp9_iwht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_iwht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
                             int32_t dst_stride) {
   v8i16 in0, in1, in2, in3;
   v4i32 in0_r, in1_r, in2_r, in3_r, in4_r;
 
   /* load vector elements of 4x4 block */
   LD4x4_SH(input, in0, in2, in3, in1);
   TRANSPOSE4x4_SH_SH(in0, in2, in3, in1, in0, in2, in3, in1);
   UNPCK_R_SH_SW(in0, in0_r);
   UNPCK_R_SH_SW(in2, in2_r);
   UNPCK_R_SH_SW(in3, in3_r);
@@ skipping 16 matching lines @@
   in3_r = in4_r - in3_r;
   in1_r = in4_r - in1_r;
   in0_r -= in3_r;
   in2_r += in1_r;
 
   PCKEV_H4_SH(in0_r, in0_r, in1_r, in1_r, in2_r, in2_r, in3_r, in3_r,
               in0, in1, in2, in3);
   ADDBLK_ST4x4_UB(in0, in3, in1, in2, dst, dst_stride);
 }
 
-void vp9_iwht4x4_1_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_iwht4x4_1_add_msa(const int16_t *input, uint8_t *dst,
                            int32_t dst_stride) {
   int16_t a1, e1;
   v8i16 in1, in0 = { 0 };
 
   a1 = input[0] >> UNIT_QUANT_SHIFT;
   e1 = a1 >> 1;
   a1 -= e1;
 
   in0 = __msa_insert_h(in0, 0, a1);
   in0 = __msa_insert_h(in0, 1, e1);
   in0 = __msa_insert_h(in0, 2, e1);
   in0 = __msa_insert_h(in0, 3, e1);
 
   in1 = in0 >> 1;
   in0 -= in1;
 
   ADDBLK_ST4x4_UB(in0, in1, in1, in1, dst, dst_stride);
 }
 
-void vp9_idct4x4_16_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_idct4x4_16_add_msa(const int16_t *input, uint8_t *dst,
                             int32_t dst_stride) {
   v8i16 in0, in1, in2, in3;
 
   /* load vector elements of 4x4 block */
   LD4x4_SH(input, in0, in1, in2, in3);
   /* rows */
   TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
   VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
   /* columns */
   TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
   VP9_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
   /* rounding (add 2^3, divide by 2^4) */
   SRARI_H4_SH(in0, in1, in2, in3, 4);
   ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
 }
 
-void vp9_idct4x4_1_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_idct4x4_1_add_msa(const int16_t *input, uint8_t *dst,
                            int32_t dst_stride) {
   int16_t out;
   v8i16 vec;
 
   out = ROUND_POWER_OF_TWO((input[0] * cospi_16_64), DCT_CONST_BITS);
   out = ROUND_POWER_OF_TWO((out * cospi_16_64), DCT_CONST_BITS);
   out = ROUND_POWER_OF_TWO(out, 4);
   vec = __msa_fill_h(out);
 
   ADDBLK_ST4x4_UB(vec, vec, vec, vec, dst, dst_stride);
 }