inline-unit-growth trouble

[Richard Guenther]

On 4/15/05, Andreas Krebbel <krebbel1@de.ibm.com> wrote:
> Hi,
> 
> on S/390 we have currently a plenty of testsuite failures
> due to inlining effects.
> 
> ld complains about testcases which try to link two files containing the same function
> in .gnu.linkonce sections but with different code sizes. The sizes differ due
> to different inlining decisions. The problem is that inlining maybe
> prevented by global limits which maybe exceeded for one file but not for
> the other.
> The actual problem occurred with the "inline-unit-growth" limit which
> may prevent inlining for a function in one file and allow it for the same
> function in another.
> 
> I'm not sure how to fix that issue. To my mind the whole concept of per unit
> limits influencing local inlining decisions seems a bit questionable.

Why does the linker not just pick either of the functions?  The size
difference should not matter.

Richard.