Searched defs:ff_log2 (Results 1 – 2 of 2) sorted by relevance
39 # define ff_log2(x) (31 - __builtin_clz((x)|1)) macro50 #define ff_log2 ff_log2_c macro
38 # define ff_log2(x) (_bit_scan_reverse((x)|1)) macro40 # define ff_log2 ff_log2_x86 macro