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[Bug middle-end/78098] error: interrupt service routine can't be called directly
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 25 Oct 2016 14:47:47 +0000
- Subject: [Bug middle-end/78098] error: interrupt service routine can't be called directly
- Auto-submitted: auto-generated
- References: <bug-78098-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78098
--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Richard Biener from comment #6)
> Why would we be not able to tailcall in an interupt handler?
We need to verify that the only instruction in an interrupt handler
is a tail call to another interrupt handler. On the other hand,
this interrupt handler isn't really needed at all.