[PATCH] Reassociate x + -0.1234 * y into x - 0.1234 * y (part 2)
Chad Rosier
mcrosier at codeaurora.org
Thu Sep 25 07:32:14 PDT 2014
> It *always* happens on ARM. I believe this is not "random", but depends on other unknown (to me) dynamic factors.
Thanks, Renato. I'll take a look.
One of the purposes of the reassociation pass is to canonicalize operands based on "rank." If the behavior isn't random, I imagine I just uploaded a stale patch.
Chad
http://reviews.llvm.org/D5363
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