libavcodec/vp8dsp.c:79: error: Uninitialized Value
  The value read from tmp[_] was never initialized.

libavcodec/vp8dsp.c:79:9: 
77. 
78.     for (i = 0; i < 4; i++) {
79.         t0 = tmp[0*4+i] + tmp[2*4+i];
            ^
80.         t1 = tmp[0*4+i] - tmp[2*4+i];
81.         t2 = MUL_35468(tmp[1*4+i]) - MUL_20091(tmp[3*4+i]);
