Re: Unreviewed fix for bootstrap failure

[Richard Henderson <rth at redhat dot com>]

On Sun, Jun 29, 2003 at 08:35:39PM -0700, Geoff Keating wrote:
> > As I understand the current situation, the only notes that can contain
> > label references are REG_EQUAL notes.  These cannot be used for
> > substitution, only cse.  Thus, this isn't a problem.
> 
> I don't see why that would be the case.  Surely it's valid to have a
> REG_EQUIV note that says "this is (label_ref ...)".

And besides, local-alloc will promote *any* REG_EQUAL note
to REG_EQUIV if the set count of the defining register is 1.


r~