official-stockfish/Stockfish — pull request #18 by lucasart (2014-07-05 10:24:45+00:00)
Title: Bsfq

Affects only ppc-32 and ppc-42 compiles (GCC compatible compilers only). On these we use GCC
intrinsics, instead of manually computing lsb() and msb() with precalculated tables.

Can someone who uses a PPC with GCC test this ?