This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Reassociation
- To: moshier at mediaone dot net, law at cygnus dot com, egcs at cygnus dot com
- Subject: Re: Reassociation
- From: Richard Henderson <rth at cygnus dot com>
- Date: Sun, 20 Dec 1998 15:36:20 -0800
- References: <Pine.LNX.4.05.9812190815510.31777-100000@moshier.ne.mediaone.net>
- Reply-To: Richard Henderson <rth at cygnus dot com>
On Sat, Dec 19, 1998 at 08:30:27AM -0500, Stephen L Moshier wrote:
> By looking at the rtl. For example, in the rtl for a*b*c*d all the
> set destinations are the same, a giveaway that the parentheses were
> omitted.
No, because that looses on ((a*b)*c)*d.
We must add something to the tree. There is no way to determine
where the parentheses were.
r~