This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
Re: mmix ICEs on mainline during building of libc
- From: Hans-Peter Nilsson <hp at bitrange dot com>
- To: Dale Johannesen <dalej at apple dot com>
- Cc: Andreas Jaeger <aj at suse dot de>, <gcc-bugs at gcc dot gnu dot org>
- Date: Mon, 3 Mar 2003 14:33:43 -0500 (EST)
- Subject: Re: mmix ICEs on mainline during building of libc
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