libavcodec/vp8dsp.c:166: error: Uninitialized Value
  The value read from p3 was never initialized.

libavcodec/vp8dsp.c:166:12: 
164.     LOAD_PIXELS
165.     return simple_limit(p, stride, E)
166.         && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I
                ^
167.         && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;
168. }

static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)
{
    LOAD_PIXELS
    return simple_limit(p, stride, E)
        && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I
        && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;
}
['static av_always_inline int normal_limit(uint8_t *p, int stride, int E, int I)\n{\n    LOAD_PIXELS\n    return simple_limit(p, stride, E)\n        && FFABS(p3-p2) <= I && FFABS(p2-p1) <= I && FFABS(p1-p0) <= I\n        && FFABS(q3-q2) <= I && FFABS(q2-q1) <= I && FFABS(q1-q0) <= I;\n}']