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Re: Fix altivec vector return location


On Wed, Apr 11, 2007 at 12:23:31AM +0200, Andreas Schwab wrote:
> Daniel Jacobowitz <drow@false.org> writes:
> 
> > On Thu, Mar 15, 2007 at 06:17:51PM +0100, Andreas Schwab wrote:
> >> powerpc-linux is not using -mabi=altivec by default, thus vector types are
> >> returned in general registers instead of altivec registers.
> >> 
> >> Andreas.
> >> 
> >> 2007-03-15  Andreas Schwab  <schwab@suse.de>
> >> 
> >> 	* ppc-linux-tdep.c (ppc_linux_return_value): Vectors are returned
> >> 	in general registers.
> >
> > Hmmm... but what about people who do use -mabi=altivec?
> 
> I have no idea how to detect that.

I think it's a bad idea to trade off broken in one configuration for
broken in another, so let's not change it right now.

The only way I can think of to detect it would be to add something to
the linker, like other platforms do (including E500).  I wonder if the
new Power ABI discussions will provide something useful...

-- 
Daniel Jacobowitz
CodeSourcery


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