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Re: 3.4 bootstrap failure on powerpc-apple-darwin7.2.0

From: Segher Boessenkool <segher at kernel dot crashing dot org>
To: Andrew Pinski <pinskia at physics dot uc dot edu>
Cc: gcc at gcc dot gnu dot org, Ziemowit Laski <zlaski at apple dot com>, "Timothy J. Wood" <tjw at omnigroup dot com>
Date: Tue, 20 Jan 2004 20:51:27 +0100
Subject: Re: 3.4 bootstrap failure on powerpc-apple-darwin7.2.0
References: <4D4D1AE6-4970-11D8-8B22-0003933F3BC2@omnigroup.com> <759F3C13-49D0-11D8-9D69-000393A6D2F2@physics.uc.edu> <8B769259-4A0B-11D8-BA61-00039390FFE2@apple.com> <AE56BE74-4A0C-11D8-9D69-000393A6D2F2@physics.uc.edu>

On 19-jan-04, at 0:18, Andrew Pinski wrote:

--enable-altivec is really only for ppc linux to enable the altivec ABI by default which is done for PPC Darwin by default already.

Actually, in the course of my recent AltiVec struggles, I failed to discover any purpose whatsoever for the '--enable-altivec' config switch -- perhaps Aldy can enlighten us.
Doing a simple search using google, I found when this was added:
http://gcc.gnu.org/ml/gcc-patches/2001-12/msg02123.html
It is exactly does what I said it does is to change the ABI by default.

Another way to do this is to configure for a powerpc-whatever-linux-gnualtivec target. Maybe this second way should go?

Segher

References:
- 3.4 bootstrap failure on powerpc-apple-darwin7.2.0
  - From: Timothy J. Wood
- Re: 3.4 bootstrap failure on powerpc-apple-darwin7.2.0
  - From: Andrew Pinski
- Re: 3.4 bootstrap failure on powerpc-apple-darwin7.2.0
  - From: Ziemowit Laski
- Re: 3.4 bootstrap failure on powerpc-apple-darwin7.2.0
  - From: Andrew Pinski

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