https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82479
Wilco <wdijkstr at arm dot com> changed:
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CC| |wdijkstr at arm dot com
--- Comment #6 from Wilco <wdijkstr at arm dot com> ---
(In reply to Andrew Pinski from comment #5)
> Was added to LLVM back in 2012:
> http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20121119/156272.html
>
> Again I don't know how useful it is compared to the compile time that it
> would take.
I'd be more worried that the LLVM sequence isn't better in common usage. Given
it has a fixed high latency, you need quite a few set bits before it's faster.
