mmix ICEs on mainline during building of libc

[Hans-Peter Nilsson]

On Mon, 3 Mar 2003, Dale Johannesen wrote:
> On Sunday, March 2, 2003, at 05:40  AM, Hans-Peter Nilsson wrote:
>
> > On Sun, 2 Mar 2003, Andreas Jaeger wrote:
> >> So, it was a latent bug on mmix?
> > I *think* so.  I have to investigate, because I'm not totally
> > sure there should have to be any move-CCmode pattern.
> My understanding from the doc is that it should be valid to generate
> these unless AVOID_CCMODE_COPIES is set.

I'm of a different opinion now: I've come to the conclusion that
GCC should synthesize MODE_CC moves when absent in the machine
description; no apparent bug in your changes.  More later.

>  It might not be a good
> idea from the point of view of improving the code, however.

Agreed.

brgds, H-P