prefetch_m 90 libavcodec/alpha/asm.h #define prefetch_m(p) __builtin_prefetch((p), 1, 1) prefetch_m 105 libavcodec/alpha/asm.h #define prefetch_m(p) __asm__ volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory")