looking for a way to tell gcc not to remove some code he thinks is unreachable.

[Michael Vasiliev]

On 03/07/2011 12:11 PM, Erez D wrote:
> I have a function which is not called in a regular way, so gcc thinks
> it is dead code.
> however it is not, and i am looking for a way to tell the linker not
> to remove it.
>
> i can call it from some place with a flag that tells it to do nothing,
> but this is a ugly hack
> is there a directive telling gcc not to remove that certain function ?
>
I did not exactly try, but if there is -fdce, which is by default
enabled an -O*, there should be also -fno-dce and fno-tree-dce, is it not?

> thanks,
> erez.
>
>
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