[11u] RFR: 8248901: Signed immediate support in .../share/assembler.hpp is broken.memory chain

[Doerr, Martin]

Hi Paul,

thanks for the review! I'll have to backport it together with JDK-8247766 which doesn't apply cleanly in order to avoid breaking aarch64.

Best regards,
Martin


> -----Original Message-----
> From: Hohensee, Paul <hohensee at amazon.com>
> Sent: Montag, 21. Dezember 2020 18:29
> To: Doerr, Martin <martin.doerr at sap.com>; 'hotspot-compiler-
> dev at openjdk.java.net' <hotspot-compiler-dev at openjdk.java.net>; jdk-
> updates-dev at openjdk.java.net
> Cc: Langer, Christoph <christoph.langer at sap.com>; Lindenmaier, Goetz
> <goetz.lindenmaier at sap.com>
> Subject: RE: [11u] RFR: 8248901: Signed immediate support in
> .../share/assembler.hpp is broken.memory chain
> 
> Lgtm.
> 
> Thanks,
> Paul
> 
> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.java.net> on
> behalf of "Doerr, Martin" <martin.doerr at sap.com>
> Date: Monday, December 21, 2020 at 8:52 AM
> To: "'hotspot-compiler-dev at openjdk.java.net'" <hotspot-compiler-
> dev at openjdk.java.net>, "jdk-updates-dev at openjdk.java.net" <jdk-
> updates-dev at openjdk.java.net>
> Cc: "Langer, Christoph" <christoph.langer at sap.com>, "Lindenmaier, Goetz"
> <goetz.lindenmaier at sap.com>
> Subject: [11u] RFR: 8248901: Signed immediate support in
> .../share/assembler.hpp is broken.memory chain
> 
> Hi,
> 
> JDK-8248901 is backported to 11.0.11-oracle. I'd like to backport it for parity.
> Change applies cleanly, but precond macro is missing in 11u. I've taken it from
> JDK-8223140 (http://hg.openjdk.java.net/jdk/jdk/rev/6b77693eda6a).
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8248901
> 
> Original change:
> https://hg.openjdk.java.net/jdk/jdk/rev/ce8fb40c9174
> 
> Clean 11u backport with added precond and postcond macros:
> http://cr.openjdk.java.net/~mdoerr/8248901_assembler_11u/webrev.00/
> 
> Please review.
> 
> Best regards,
> Martin
>