On Mon, 2013-09-30 at 14:11 +0530, km wrote: > I have seen this -O4 optimization being used in latest c/c++ soursecode but > find no documentation on the use of O4 over O3 level.
Which c/c++ sourcecode you see O4 optimization? AFAIK, there is, -O0 - For debugging -O1 - optimize -O2 - optimize more -O3 - optimize most -Os - optimize for size -Ofast - non-standard optimization See man gcc(1). Anything above -O3 is just -O3[1]. 1.http://stackoverflow.com/questions/1778538/how-many-gcc-optimization-levels-are-there Thanks, Mohan R _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc ILUGC Mailing List Guidelines: http://ilugc.in/mailinglist-guidelines
