Re: list of optimizations done by -O1 level

[Daniel Lohmann <daniel.lohmann@xxxxxxxxxxxxxxxxxxxxxxxxxx>]

ranjith kumar schrieb:
> Hi,
>  GCC manuals says the foloowing are the list of
> optimizations turned on when -O1 flag is used.
> ...
>
> But When I compiled the same file as in the following
> 2 ways, I got two differen assembly programs. What
> could be the reason. 

Besides the explicit set of optimizations, there is also a general 
optimize-flag used within gcc. This flag is set by the -O option itself.

Daniel