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Re: PowerPC [target/17828] -O2 -fPIC doesn't work with switches in linkonce functions and new binutils

From: Alan Modra <amodra at bigpond dot net dot au>
To: David Edelsohn <dje at watson dot ibm dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Wed, 27 Jul 2005 12:30:54 +0930
Subject: Re: PowerPC [target/17828] -O2 -fPIC doesn't work with switches in linkonce functions and new binutils
References: <20050727022115.GB21279@bubble.grove.modra.org> <200507270244.j6R2idd25358@makai.watson.ibm.com>

On Tue, Jul 26, 2005 at 10:44:39PM -0400, David Edelsohn wrote:
> 	Can you reuse any of the MINIMAL_TOC functionality?  That option
> is able to create a TOC per function with much less pervasive changes.

Not really.  ABI_V4 doesn't have a global toc pointer register, but
rather sets up the toc pointer on function entry.  Given that model,
it doesn't make sense to use a two-level toc.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre

References:
- PowerPC [target/17828] -O2 -fPIC doesn't work with switches in linkonce functions and new binutils
  - From: Alan Modra
- Re: PowerPC [target/17828] -O2 -fPIC doesn't work with switches in linkonce functions and new binutils
  - From: David Edelsohn

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