RFR: 8312425: [vectorapi] AArch64: Optimize vector math operations with SLEEF [v3]

[Hamlin Li]

On Mon, 21 Oct 2024 09:53:16 GMT, Fei Gao <fgao at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   add missing files
>
> src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp line 8207:
> 
>> 8205:       for (int op = 0; op < VectorSupport::NUM_VECTOR_OP_MATH; op++) {
>> 8206:         int vop = VectorSupport::VECTOR_OP_MATH_START + op;
>> 8207:         if (vop == VectorSupport::VECTOR_OP_TANH) {
> 
> Could you please add a comment that mentions the reason, for example
> `// Skip "tanh" because there is performance regression`

Sure, will fix it. Thanks!

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PR Review Comment: https://git.openjdk.org/jdk/pull/21502#discussion_r1810337900