RFR: 8273322: Enhance macro logic optimization for masked logic operations. [v2]

Tue Jan 4 21:03:15 UTC 2022

On Tue, 4 Jan 2022 15:01:22 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> src/hotspot/cpu/x86/x86.ad line 1900:
>> 
>>> 1898: 
>>> 1899:     case Op_MacroLogicV:
>>> 1900:       if(bt != T_INT && bt != T_LONG) {
>> 
>> Missing `VM_Version::supports_evex()` check?
>
> Hi @vnkozlov, we already have that check (UseAVX < 3) in match_rule_supported routine which gets called from this function.

Good.

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PR: https://git.openjdk.java.net/jdk/pull/6893