https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88494
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |hjl.tools at gmail dot com
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
On Skylake it's better (1uop, 1 cycle latency) while on Ryzen even better.
On Bulldozer it also isn't that bad (comparable to Skylake I guess).
So for generic tuning leave it enabled but for Broadwell and earlier tuning
disable it? Note I didn't actually try benchmarking on Skylake, Ryzen or
Bulldozer.
