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Re: FDEs for virtual thunks
- From: Richard Henderson <rth at redhat dot com>
- To: Matthew Austern <austern at apple dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 17 Jun 2002 17:18:53 -0700
- Subject: Re: FDEs for virtual thunks
- References: <A5670F08-8241-11D6-8794-000393B2ABA2@apple.com>
On Mon, Jun 17, 2002 at 03:29:11PM -0700, Matthew Austern wrote:
> Is there a reason that g++ generates FDEs for virtual thunks?
Because they're generated by a mechanism that does not
guarantee that they'll be implemented as tail-calls.
And if that doesn't happen, we have to unwind through them.
r~