On Wednesday 29 October 2003 18:41, Van Eps, Nathan D. (James Tower) wrote: > I don't see where that is mentioned in the online documentation. Is > this an undocument feature or am I just missing it in the docs?
-O also turns on -fomit-frame-pointer on machines where doing so does not interfere with debugging. From the document you linked. > >-----Original Message----- > > From: Sami N��t�nen [mailto:[EMAIL PROTECTED] > > >Sent: Wednesday, October 29, 2003 11:15 AM > >To: [EMAIL PROTECTED] > >Subject: Re: [gentoo-user] gcc optimizations > > > > > >On Wednesday 29 October 2003 16:54, Van Eps, Nathan D. (James Tower) > > > >wrote: > >> Just as a FYI, "-fomit-frame-pointer" is included in "-O -O2 -O3 > >> -Os" according to: > >> "http://gcc.gnu.org/onlinedocs/gcc-3.3.2/gcc/Optimize-Options.html > >>". > > > >Only if it does not affect debugging. In x86 it does so it is NOT > >included. So one must set it separately. > > > > > > > >-- > >[EMAIL PROTECTED] mailing list > > -- > [EMAIL PROTECTED] mailing list -- [EMAIL PROTECTED] mailing list
