[Bug c/92086] Provide way to avoid saving callee-saved registers in functions without callers
fw at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Oct 14 12:42:00 GMT 2019
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92086
--- Comment #3 from Florian Weimer <fw at gcc dot gnu.org> ---
It also saves stack space.
I'm not sure if it is prudent to repurpose noreturn+nothrow for this. There
might be existing such functions where people expect to see a full call stack.
Something more explicit seems better.
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