RFR: 8378470: Add future Intel family number

[David Holmes]

On Tue, 24 Feb 2026 05:42:43 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Add family number for Nova Lake
>
> src/hotspot/cpu/x86/vm_version_x86.hpp line 831:
> 
>> 829:   static int  cpu_family()        { return _cpu;}
>> 830:   static bool is_P6()             { return cpu_family() >= 6; }
>> 831:   static bool is_intel_server_family()    { return cpu_family() == 6 || cpu_family() == 18 || cpu_family() == 19; }
> 
> The "future" processor has a lower number??

Okay I guess I am just somewhat surprised that support for family 19 was added, somewhat quietly, under JDK-8351994 in May last year.

Also from what I have read there is speculation that 19 will be used for the server family while 18 may be used for desktop and mobile! I wonder if we may have to be more explicit about what we mean by "server" in this context and rename it?

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PR Review Comment: https://git.openjdk.org/jdk/pull/29852#discussion_r2844716767