> In essence -O2 just tells gcc to activate a list of optimizations > gcc -Q -O2 --help=optimizers > tells you what. Not quite; see http://gcc.gnu.org/wiki/FAQ#optimization-options . Segher -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html