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Re: Reassociation
- To: Richard Henderson <rth at cygnus dot com>
- Subject: Re: Reassociation
- From: Stephen L Moshier <moshier at mediaone dot net>
- Date: Sun, 20 Dec 1998 19:22:25 -0500 (EST)
- cc: law at cygnus dot com, egcs at cygnus dot com
- Reply-To: moshier at mediaone dot net
On Sun, 20 Dec 1998, Richard Henderson wrote:
> 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.
Yes, I see you're right. No way to tell whether the source program
had those particular parentheses or omitted them. They generate the
same rtl as a*b*c*d.