On Tue, Mar 22, 2016 at 7:35 PM, Nicholas Mc Guire <[email protected]> wrote: > yes - but for any given code you will find that many of those > options actually have no effect for the particular code blob. > The set of flags effectively impacting the generated object > file is generally much smaller than the ones reported by > gcc -c -Q -O1 --help=optimizers. > > thx! > hofrat
yeah,only several options take effect. Because "-O0" will break the link progress,I just want use "-O1" and some other options to approximate the effects of "-O0". regards, Hao Lee _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
