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0e1f616
(Get the code!)
(In reply to Jakub Jelinek from comment #11)
> ... Can't what you are doing in the splitters be done in
> define_peephole2 instead?
Not that easy unfortunately. peephole2 will run after reload. So the FP constant ok 0.0 will already be reloaded into a register first or pushed into literal pool. The point of doing the transformation is to avoid this.