Nios Optimization settings.

I am trying to get the code optimization running in the Nios IDE.

I have code that runs successfully at -O0 - although some what slowly.

I have tried to apply the other optimization levels and this breaks the code.

What I want to be able to do is apply different optimization levels to different bits of the code. It looks like I should be able to do using the file properties from the IDE.

I can set the project optimization level from the project properties and a different level for a specific file in the File Properties.

But the Project properties seems to override the File properties.

Anybody got any ideas on how to do this ?

Thanks

Alun