sum_c             194 libavcodec/dcadct.c     sum_c(buf_b + 16, buf_a + 16, 8);
sum_c             313 libavcodec/dcadct.c     sum_c(buf_b + 32, buf_a + 32, 16);
sum_c             319 libavcodec/dcadct.c     sum_c(buf_a + 16, buf_b + 16, 8);
sum_c             321 libavcodec/dcadct.c     sum_c(buf_a + 32, buf_b + 32, 8);
sum_c             323 libavcodec/dcadct.c     sum_c(buf_a + 48, buf_b + 48, 8);