On Sat, Jan 28, 2023 at 02:29:04AM -0500, Michael Meissner wrote: > On Fri, Jan 27, 2023 at 01:59:00PM -0600, Segher Boessenkool wrote: > > > There is one bug that I noticed. When you use the full DMR instruction > > > the > > > constant copy propagation patch issues internal errors. I believe this > > > is due > > > to the CCP pass not handling opaque types cleanly enough, and it only > > > shows up > > > in larger types. I would like to get these patches committed, and then > > > work > > > the maintainers of the CCP to fix the problem. > > > > Erm. If the compiler ICEs, we can not include this code. But hopefully > > you mean something else? > > I realize we can't include the code for final release. But as a temporary > measure I was hoping we would put in the code, we could allow somebody more > familar with ccp to debug it. Then if there were changes needed in the > PowerPC > back end, we could make them, once ccp was fixed. > > But that is a moot point, ccp no longer dies with the code, so I have removed > the comment and the no tree ccp option in the next set of patches.
Unfortunately, while it worked on my x86 as a cross compiler, when I did the builds for real, it is a problem, so I will need to look into it. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: meiss...@linux.ibm.com
