Re: [vox-tech] g++ optimization

[Micah Cowan <micah@cMAPSowanbox.com>]

On Thu, Mar 08, 2001 at 12:33:28PM -0800, Peter Jay Salzman wrote:
> i've always compiled my c++ with -O3.  i just looked through man and info
> g++ and found that they only mention "-O", with no level of optimization.
> 
> does g++ really not recognize levels of optimization?  on one hand, no
> mention is made of this.
> 
> on the other hand, g++ doesn't seem to complain about "-O3".
> 
> what's the scoop?
> 
> p

My g++ manpage points out that it is listing only the C++-related
subset of features for gcc (since g++ just calls gcc), and since gcc
supports -O<level>, it would seem g++ must also.

Micah