isU32             558 nanojit/NativePPC.cpp         if (!targ || !isU32(uintptr_t(targ))) {
isU32            1113 nanojit/NativePPC.cpp         if (addr==0 || !isU32(uintptr_t(addr))) {
isU32            1543 nanojit/NativeX64.cpp         if (isU32(v)) {