This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: REG_N_REFS vs regmove
- To: law at cygnus dot com, Jim Wilson <wilson at cygnus dot com>
- Subject: Re: REG_N_REFS vs regmove
- From: Richard Henderson <rth at cygnus dot com>
- Date: Fri, 26 Jun 1998 20:41:26 -0700
- Cc: egcs-patches at cygnus dot com, amylaar at cygnus dot com
- References: <199806270035.RAA23909@rtl.cygnus.com> <3995.898909001@hurl.cygnus.com>
- Reply-To: Richard Henderson <rth at cygnus dot com>
On Fri, Jun 26, 1998 at 06:56:41PM -0600, Jeffrey A Law wrote:
> I'm not even sure we need the refernce counts at all until local
> register allocation. In which case, computing them in flow is
> kind of a waste.
Loop uses them. Of course, I don't think it keeps them
up to date either.
r~