------- Comment #14 from howarth at nitro dot med dot uc dot edu 2009-12-03 15:20 ------- Same is true for __ppc64__. For the Apple gcc-4.0 and 4.2 compilers as well as FSF gcc-4.4.2, __ppc64__ is only defined at -m64 and not -m32 as would be expected.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42243