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Re: Don't allow sibcalls on nested functions
- From: Richard Henderson <rth at redhat dot com>
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 22 Apr 2003 17:07:49 -0700
- Subject: Re: Don't allow sibcalls on nested functions
- References: <10304212115.AA02079@vlsi1.ultra.nyu.edu>
On Mon, Apr 21, 2003 at 05:15:48PM -0400, Richard Kenner wrote:
> + /* If the called function is nested in the current one, it might
> + access some of the caller's arguments, but could clobber them
> + beforehand if the argument areas are shared. */
Huh? This doesn't make any sense at all. When, exactly,
are argument areas "shared" between caller and callee?
"Never" is the condition that comes to mind.
r~