Re: x86 optimization and rtx_cost question

[Richard Henderson <rth at redhat dot com>]

On Fri, Jan 11, 2002 at 03:42:59PM -0600, Tom Crispin wrote:
> But is there any code that worries about address generation interlock?

Not outside the scheduler, no.

> And shouldn't the decision about which to use depend on whether or not
> we can schedule instructions into the interlock slots?

Ideally, yes.  But that is a severe phase ordering problem, and 
there's no way to get that sort of information when you want it.


r~