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A comment on Popcount CPU instruction. Parent comment

Re:Popcount CPU instruction by saagarjha on Sunday September 08, 2019 @11:48PM (#20915080)
SPEC is full of undefined behavior, so as far as I know many compiler engineers dislike it because it “breaks” when compilers get better.
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Re:Popcount CPU instruction by garmaine on Monday September 09, 2019 @01:07AM (#20915345)
That’s the wrong attitude. If it has undefined behavior, then a valid response is to inject malware to cause the benchmark to return a fast result.
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Re:Popcount CPU instruction by gpderetta on Monday September 09, 2019 @05:00AM (#20916383)
that would be amazing :)
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