libvpx: Pull from upstream

source/libvpx/vpx_dsp/mips/idct8x8_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_idct8x8_64_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_idct8x8_64_add_msa(const int16_t *input, uint8_t *dst,
                             int32_t dst_stride) {
   v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
 
   /* load vector elements of 8x8 block */
   LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7);
 
   /* rows transform */
   TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                      in0, in1, in2, in3, in4, in5, in6, in7);
   /* 1D idct8x8 */
   VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
                  in0, in1, in2, in3, in4, in5, in6, in7);
   /* columns transform */
   TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
                      in0, in1, in2, in3, in4, in5, in6, in7);
   /* 1D idct8x8 */
   VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
                  in0, in1, in2, in3, in4, in5, in6, in7);
   /* final rounding (add 2^4, divide by 2^5) and shift */
   SRARI_H4_SH(in0, in1, in2, in3, 5);
   SRARI_H4_SH(in4, in5, in6, in7, 5);
   /* add block and store 8x8 */
   VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3);
   dst += (4 * dst_stride);
   VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7);
 }
 
-void vp9_idct8x8_12_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_idct8x8_12_add_msa(const int16_t *input, uint8_t *dst,
                             int32_t dst_stride) {
   v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
   v8i16 s0, s1, s2, s3, s4, s5, s6, s7, k0, k1, k2, k3, m0, m1, m2, m3;
   v4i32 tmp0, tmp1, tmp2, tmp3;
   v8i16 zero = { 0 };
 
   /* load vector elements of 8x8 block */
   LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7);
   TRANSPOSE8X4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
 
@@ skipping 40 matching lines @@
   /* final rounding (add 2^4, divide by 2^5) and shift */
   SRARI_H4_SH(in0, in1, in2, in3, 5);
   SRARI_H4_SH(in4, in5, in6, in7, 5);
 
   /* add block and store 8x8 */
   VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3);
   dst += (4 * dst_stride);
   VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7);
 }
 
-void vp9_idct8x8_1_add_msa(const int16_t *input, uint8_t *dst,
+void vpx_idct8x8_1_add_msa(const int16_t *input, uint8_t *dst,
                            int32_t dst_stride) {
   int16_t out;
   int32_t val;
   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);
   val = ROUND_POWER_OF_TWO(out, 5);
   vec = __msa_fill_h(val);
 
   VP9_ADDBLK_ST8x4_UB(dst, dst_stride, vec, vec, vec, vec);
   dst += (4 * dst_stride);
   VP9_ADDBLK_ST8x4_UB(dst, dst_stride, vec, vec, vec, vec);
 }