On 10/10/2014 09:52 AM, Richard Henderson wrote: > I wonder what kind of fallout there would be from changing LO_SUM to > RTX_BIN_ARITH, which is what it should have been all along.
The answer is "a lot". Mostly throughout simplify-rtx.c, wherein we'd have to move all sorts of code around to accommodate the class change. I've abandoned that line and I'm just testing a one line change to shrink-wrap.c to accept LO_SUM. r~
