RFR: 8351016: RA support for EVEX to REX/REX2 demotion to optimize NDD instructions [v5]

[Jatin Bhateja]

On Thu, 23 Oct 2025 23:07:15 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Limiting register biasing to NDD specific demotable instructions
>
> src/hotspot/cpu/x86/x86_64.ad line 445:
> 
>> 443:     case addI_rReg_rReg_mem_ndd_rule:
>> 444:     case addL_rReg_ndd_rule:
>> 445:     case addL_rReg_rReg_imm_ndd_rule:
> 
> The following rules are missing:
> addL_rReg_rReg_mem_ndd_rule 
> minI_rReg_ndd
> maxI_rReg_ndd

Thanks @sviswa7 , DONE

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PR Review Comment: https://git.openjdk.org/jdk/pull/26283#discussion_r2459112090