Remove initialize to zero on output variables for inline.

source/row_mips.cc

 /*
  *  Copyright (c) 2012 The LibYuv 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.
  */
 
@@ skipping 480 matching lines @@
    "3:                                     \n"
     ".set pop                              \n"
       : [src] "+r" (src), [dst] "+r" (dst)
       : [width] "r" (width)
       : "t0", "t1", "t2", "t3", "t4", "t5"
   );
 }
 
 void MirrorUVRow_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
                             int width) {
-  int x = 0;
-  int y = 0;
+  int x;
+  int y;
   __asm__ __volatile__ (
     ".set push                                    \n"
     ".set noreorder                               \n"
 
     "addu            $t4, %[width], %[width]      \n"
     "srl             %[x], %[width], 4            \n"
     "andi            %[y], %[width], 0xf          \n"
     "blez            %[x], 2f                     \n"
     " addu           %[src_uv], %[src_uv], $t4    \n"
 
@@ skipping 59 matching lines @@
     "addiu           %[dst_u], %[dst_u], 1        \n"
     "bgtz            %[y], 2b                     \n"
     " addiu          %[dst_v], %[dst_v], 1        \n"
 
    "3:                                            \n"
     ".set pop                                     \n"
       : [src_uv] "+r" (src_uv),
         [dst_u] "+r" (dst_u),
         [dst_v] "+r" (dst_v),
         [x] "=&r" (x),
-        [y] "+r" (y)
+        [y] "=&r" (y)
       : [width] "r" (width)
       : "t0", "t1", "t2", "t3", "t4",
       "t5", "t7", "t8", "t9"
   );
 }
 
 // Convert (4 Y and 2 VU) I422 and arrange RGB values into
 // t5 = | 0 | B0 | 0 | b0 |
 // t4 = | 0 | B1 | 0 | b1 |
 // t9 = | 0 | G0 | 0 | g0 |
@@ skipping 180 matching lines @@
   );
 }
 #endif  // __mips_dsp_rev >= 2
 
 #endif  // defined(__mips__)
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif