machine maintainer ping: ia64
Richard Henderson
rth@twiddle.net
Sat Jun 21 17:30:00 GMT 2014
On 06/20/2014 06:59 PM, Roland McGrath wrote:
> * Can you rely on IFUNC?
No.
> * If not, can you rely on the C compiler to emit a proper tail call, that
> cannot touch the stack, for a trivial argumentless tail call in C?
No, sadly. That's the ia64 backend of gcc needing some tlc.
> * If not, what does the assembly (.S) look like for a tail call to a PLT
> function? e.g. on x86 it's "jmp JUMPTARGET(foobar)".
br foobar
;;
Our ia64 machines seem to be down this weekend or I'd test things more.
r~
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