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A comment on Beautiful branchless binary search. Parent comment

Re:Beautiful branchless binary search by dist1ll on Friday April 28, 2023 @03:21AM (#35738478)
clang has __builtin_unpredictable [0]

[0] https://clang.llvm.org/docs/LanguageExtensions.html#builtin-...

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Re:Beautiful branchless binary search by berkut on Friday April 28, 2023 @03:22AM (#35738484)
Oooooh :)

Thanks!

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Re:Beautiful branchless binary search by usefulcat on Friday April 28, 2023 @04:57PM (#35747016)
It does, but unfortunately it doesn't always work. For example (note the -march=broadwell option):

https://godbolt.org/z/n1Kz4G7GE

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