From: Daniel Jacobowitz <drow@false.org>
To: gdb-patches@sourceware.org
Subject: Re: Fix altivec vector return location
Date: Tue, 10 Apr 2007 22:34:00 -0000 [thread overview]
Message-ID: <20070410223450.GA9636@caradoc.them.org> (raw)
In-Reply-To: <jeabxfj2cc.fsf@sykes.suse.de>
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
prev parent reply other threads:[~2007-04-10 22:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-15 17:18 Andreas Schwab
2007-04-10 20:46 ` Daniel Jacobowitz
2007-04-10 22:23 ` Andreas Schwab
2007-04-10 22:34 ` Daniel Jacobowitz [this message]
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