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Re: purge_addressof flags badness
- To: law at cygnus dot com
- Subject: Re: purge_addressof flags badness
- From: Richard Henderson <rth at cygnus dot com>
- Date: Wed, 17 Mar 1999 12:13:49 -0800
- Cc: Jim Wilson <wilson at cygnus dot com>, egcs-patches at egcs dot cygnus dot com
- References: <19990310153140.A14124@cygnus.com> <email@example.com>
On Mon, Mar 15, 1999 at 03:11:11AM -0700, Jeffrey A Law wrote:
> > The purge_addressof code has a bad habit of not looking where it's
> > deciding to put new instructions. The case that brought this to mind is
> Yea. I wonder if the non ADDRESSOF code handled this better.
Not really. Before addressof existed, put_var_into_stack was always
called before rtl generation was complete. Before jump does if-conversion,
there's nothing but bcc that's a cc0 user, and bcc never uses pseudos
on cc0 machines.
So it was never an issue.