On 08/23/2011 01:41 PM, Konstantin Vladimirov wrote: > Yes, it is exactly what I have now -- myself optimization pass with > peephole-like rule for such cases. Is it all, that is possible here?
Certainly you can do more than peepholes. That's why I told you to look at compare-optimize.c. > May be I can somehow introduce "mixed" mode? What amount of changes > may be required for that? No, I don't think you can introduce a mixed mode. r~