Re: Default flags with -O2

[Segher Boessenkool <segher@xxxxxxxxx>]

Anticipating a Reply wrote:
>   I know that the flags are documented ,
> but which all get used with -O2 , -O3 ,.....

That is documented, as well.

>   Can we not find this during compiling ?

Try compiling with the flags  -S -fverbose-asm  .


Segher