On 03/18/2011 01:56 PM, H.J. Lu wrote: > On Fri, Mar 18, 2011 at 12:51 PM, Eric Botcazou <ebotca...@adacore.com> wrote: >>> Is this patch OK for trunk? >> >> This has always worked for the other ports AFAIK so I don't think we should >> disable it without evaluating the impact on them. If reload has so many >> problems with x32, maybe more fundamental changes should be made to the x86 >> back-end to support it. >> > > X32 port exposed many issues in GCC middle-end and RTL optimizations. > The other ports never generate such asm statements combine has to deal with. > Do you have any suggestions how to fix it in backend?
How about analyzing the problem properly? All you posted was a patch, with no explanation of how the problem occurred. Without that, no one can say whether this is the x32 port really tickling a latent bug in the compiler, or whether it's a bug in your port. r~