-fprofile-generate and -fprofile-use

[Steven Bosscher]

On Thursday 01 September 2005 23:19, girish vaitheeswaran wrote:
> Sorry I still did not follow. This is what I
> understood. During Feedback optimization apart from
> the -fprofile-generate, one needs to turn on
> -fmove-loop-invariants.

You don't "need to".  It just might help iff you are using a gcc 4.1
based compiler.

> However this option is not 
> recognized by the gcc 3.4.4 or 3.4.3 compilers. What
> am I missing?

You are missing that
1) this whole thread does not concern gcc 3.4.x; and
2) the option -fmove-loop-invariants does not exist in 3.4.x.

Gr.
Steven