vcprm             316 libavcodec/ppc/fft_altivec.S #define vcprm(a, b, c, d) .byte WORD_##a, WORD_##b, WORD_##c, WORD_##d
vcprm              49 libavutil/ppc/util_altivec.h #define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}