GCC 4.5.0 Status Report (2009-05-05)

[Richard Earnshaw]

On Wed, 2009-05-06 at 17:49 +0200, Richard Guenther wrote:
> On Wed, May 6, 2009 at 5:46 PM, Richard Earnshaw <rearnsha@arm.com> wrote:

> > That won't work because the PIC register on ARM is a pseudo, so
> > generating it during prologue generation is too late.  It needs to exist
> > before data flow analysis starts on the RTL.
> 
> So you can generate it unconditionally and let DCE remove it if it turns
> out not necessary?

Sorry, is that a question about the ARM back end as it worked before all
these changes went in, or how I might solve the problem now.  If the
latter, then generate what, where and when?

R.