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Type:
Enhancement
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Resolution: Fixed
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Priority:
P4
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Affects Version/s: 16
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Component/s: hotspot
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b04
globalDefinitions.hpp defines a number of log2 functions, which uses a naive iterative approach.
A few methods were moved to powerOfTwo.hpp byJDK-8183574 and JDK-8240829, where they can be efficiently implemented using count_leading_zeros. I suggest we complete this move and remove the log2 methods from globalDefinitions.hpp
A few methods were moved to powerOfTwo.hpp by
- relates to
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JDK-8259236 C2 compilation fails with assert(is_power_of_2(value)) failed: value must be a power of 2: 8000000000000000
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- Resolved
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- links to
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Review
openjdk/jdk/1663