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Re: investigation of tail calls on mainline

From: Fergus Henderson <fjh at cs dot mu dot OZ dot AU>
To: Richard Henderson <rth at redhat dot com>, Brad Lucier <lucier at math dot purdue dot edu>, gcc at gcc dot gnu dot org, feeley at iro dot umontreal dot ca
Date: Fri, 13 Dec 2002 15:30:23 +1100
Subject: Re: investigation of tail calls on mainline
References: <200212121523.gBCFNrr09503@banach.math.purdue.edu> <20021212202650.GB23940@redhat.com>

On 12-Dec-2002, Richard Henderson <rth@redhat.com> wrote:
> On Thu, Dec 12, 2002 at 10:23:53AM -0500, Brad Lucier wrote:
> > 	call	%g2, 0
> > 	mov	1, %g3
> > 	ret
> > 	restore %g0, %o0, %o0
> 
> At the moment that this is only going to work on x86, and
> only on basic-improvements-branch.

And only for non-PIC code
(i.e. it won't work if you compile with `-fpic' or `-fPIC').

-- 
Fergus Henderson <fjh@cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.

References:
- investigation of tail calls on mainline
  - From: Brad Lucier
- Re: investigation of tail calls on mainline
  - From: Richard Henderson

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