Comment # 5
on bug 70199
from klondike
Created attachment 87543 [details] [review] Expand most of the 64 bit operations into 32 bit ones Well I have been messing a little bit with the TargetLowering. I have managed to get some operations to work (ANDs, ORs, XORs, UMULs, ADDS and SUBS amongst others) by forcing llvm to expand them. DIVs are a completely different world since they require more advanced algorithms which I'm not familiar with or support for calls (plus porting gcc's functions). The first one I don't have time to do (for now) the second one is waaaaay out of my league. The attached patch expands some of the 64 bit integer operations (but is still a WIP since likely most if not all (exceptions being loads and stores) need to be expanded and I haven't covered them all.
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