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Re: ORDERED_EXPR in invert_tree_comparison
On Thu, Aug 02, 2012 at 05:20:24PM +0200, Marc Glisse wrote:
> On Thu, 2 Aug 2012, Nathan Froyd wrote:
> >> PR tree-optimization/53805
> >> * fold-const.c (invert_tree_comparison): Do invert ORDERED_EXPR and
> >> UNORDERED_EXPR for floating point.
> >
> >Minor protest about the ChangeLog: I think you mean "Do _not_ invert..."
>
> No, I do mean do invert. The point of the patch is that even for
> floating point and even with trapping-math, it is still safe to
> invert them.
Ahhh, yes. I misread the patch.
> Maybe I can reformulate as: "Invert ORDERED_EXPR and UNORDERED_EXPR
> even for trapping floating point." ?
That works for me.
-Nathan