Does gcc automatically lower optimization level for very large routines?

[Jonathan Wakely]

On Fri, 20 Dec 2019 at 16:05, Qing Zhao wrote:
>
> Thanks a lot for all these help.
>
> So, currently, if GCC compilation aborts due to this reason, what’s the best way for the user to resolve it?
> I added “#pragma GCC optimize (“O1”) to the large routine in order to workaround this issue.
> Is there other better way to do it?

Make your functions smaller, or get more RAM.

> Is GCC planning to resolve such issue better in the future?

Nobody has stated any such plans, so you can assume there are no such plans.