RFR: 8281375: Accelerate bitCount operation for AVX2 and AVX512 target. [v3]

[Jatin Bhateja]

On Tue, 15 Feb 2022 21:49:54 GMT, Nils Eliasson <neliasso at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8281375: Review comments resoultion.
>
> src/hotspot/cpu/x86/stubGenerator_x86_32.cpp line 4031:
> 
>> 4029:     StubRoutines::x86::_vector_iota_indices = generate_iota_indices("iota_indices");
>> 4030: 
>> 4031:     if (VM_Version::supports_avx2() && UsePopCountInstruction) {
> 
> Do we need it if VM_Version::supports_avx512_vpopcntdq()?

DONE

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PR: https://git.openjdk.java.net/jdk/pull/7373