RFR: 8295657: SA: Allow larger object alignments

Wed Oct 19 21:05:25 UTC 2022

On Wed, 19 Oct 2022 20:25:32 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/VM.java line 505:
>> 
>>> 503: 
>>> 504:     minObjAlignmentInBytes = getObjectAlignmentInBytes();
>>> 505:     if (minObjAlignmentInBytes < 8 || minObjAlignmentInBytes > 256 ||
>> 
>> Is it necessary to restrict it to the 8 -> 256 range. I know this is the current hotspot restriction, but if hotspot decided to allow a larger range, is there any reason SA wouldn't still work?
>
> I don't think there is anything specific in SA that prohibits it to follow what Hotspot is capable of. Are you proposing to drop the range check altogether? I can do that.

Yes. I don't see a need for it.

-------------

PR: https://git.openjdk.org/jdk/pull/10762