inlining default

[Neil Booth]

Jason Merrill wrote:-

> >>>>> "Neil" == Neil Booth <neil@daikokuya.demon.co.uk> writes:
> 
> > Jason Merrill wrote:-
> >> It looks like if (!optimize && flag_instrument_function_entry_exit), we
> >> will end up trying to do RTL inlining and fail.
> 
> > Could you elaborate?
> 
> Sorry, it would also need flag_no_inline = 0.  Then your changed code
> doesn't ever set it again, because flag_no_inline is not 1, and f_i_f_e_e
> is not 0.

Hmmm.  Still not clear.

You're saying that

 -finline -O0 -finstrument-functions

should set flag_no_inline to 1 despite the -finline, otherwise it will
"fail".  I agree that the current code keeps it at 0.  Why is that
bad?  Why will it fail?  (I don't know the RTL part of the compiler
well.)

Neil.