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Re: FDEs for virtual thunks

From: Matthew Austern <austern at apple dot com>
To: Richard Henderson <rth at redhat dot com>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 17 Jun 2002 17:25:04 -0700
Subject: Re: FDEs for virtual thunks

On Monday, June 17, 2002, at 05:18 PM, Richard Henderson wrote:

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.

Does that imply that it would be safe to eliminate those FDEs if
we change the mechanism so as to guarantee that we will
always get a tail call?

			--Matt

Follow-Ups:
- Re: FDEs for virtual thunks
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References:
- Re: FDEs for virtual thunks
  - From: Richard Henderson

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