POWERPC_PERF_DECLARE  110 libavcodec/ppc/dsputil_ppc.h #define POWERPC_PERF_DECLARE(a, cond)       \
POWERPC_PERF_DECLARE  149 libavcodec/ppc/dsputil_ppc.h #define POWERPC_PERF_DECLARE(a, cond)        int altivec_placeholder __attribute__ ((unused))