Re: Cannot modify jumps after sched2

[Joern Rennecke <joern dot rennecke at embecosm dot com>]

Quoting Steven Bosscher <stevenb.gcc@gmail.com>:

> Paul Matos wrote (http://gcc.gnu.org/ml/gcc/2012-10/msg00123.html):
> > Is there any good way to define TARGET_CANNOT_MODIFY_JUMPS_P such that
> > jumps are not modified after sched2?
>
> No, there isn't.

Well, you could add a target-specific pass after sched2 with the sole  
purpoe of
setting a flag in the machine_function struct.

For simpler prototyping work you could also play with PLUGIN_OVERRIDE_GATE and
use a static/global variable in the target code for the flag.