[Bug middle-end/126899] back threader cost model rejects threads DOM performs

"rguenth at gcc dot gnu.org via Gcc-bugs" <[email protected]>
Newsgroups gmane.comp.gcc.bugs
Message-ID <[email protected]/bugzilla/> 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126899

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
As they do not share the cost model they of course differ in detail.  I'll note
we have way too many backwards threader passes compared to DOM thread passes,
so it's natural the backward threader has to be more careful with costing.
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