patch: rs6000 specific

[Richard Henderson]

On Tue, Dec 04, 2001 at 04:58:24PM -0800, Geoff Keating wrote:
> I was thinking, though, of transformations like
> 
> (mul:DF (neg:DF (reg:DF ...)) (reg:DF ...))
> to
> (neg:DF (mul:DF (reg:DF ...) (reg:DF ...)))
> 
> which I couldn't work out whether they were IEEE-safe or not.

This is safe.


r~