------- Comment #2 from hjl dot tools at gmail dot com 2008-02-26 19:30 -------
(In reply to comment #1)
> Could you suggest a more robust testcase?
>
> Or if that is not possible, there should be a way to only compile the testcase
> for valid targets. Ideas?
>
You can use
/* { dg-add-options register } */
register int * volatile x asm REGISTER; /* { dg-warning "optimization may
eliminate reads and/or writes to register variables" } */
You need to define add_options_for_register to add proper
-DREGITSR=.
...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35382
