RFR: 8348868: AArch64: Add backend support for SelectFromTwoVector [v8]

[Bhavana Kilambi]

On Fri, 27 Jun 2025 15:21:28 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Bhavana Kilambi has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   code style issues fixed
>
> src/hotspot/cpu/aarch64/assembler_aarch64.hpp line 4231:
> 
>> 4229: 
>> 4230:   // SVE/SVE2 Programmable table lookup in one or two vector table (zeroing)
>> 4231:   void sve_tbl(FloatRegister Zd, SIMD_RegVariant T, FloatRegister Zn, unsigned reg_count, FloatRegister Zm) {
> 
> [Edited]
> 
> This would be better:
> 
> private:
>   void _sve_tbl(FloatRegister Zd, SIMD_RegVariant T, FloatRegister Zn, unsigned reg_count, FloatRegister Zm) {
> 
> 
> ... then 2 patterns ...
> 
> 
> public:
>   void sve_tbl(FloatRegister Zd, SIMD_RegVariant T, FloatRegister Zn1, FloatRegister Zn2, FloatRegister Zm);
>   void sve_tbl(FloatRegister Zd, SIMD_RegVariant T, FloatRegister Zn, FloatRegister Zm);
> 
> 
> ... and make sure that  `Zn1+ 1 == Zn2`

Done. Please review the latest patch. Thanks!

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PR Review Comment: https://git.openjdk.org/jdk/pull/23570#discussion_r2179438846