JDK-8228400 : Remove built-in AArch64 simulator
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 8-aarch64,11,14
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • CPU: aarch64
  • Submitted: 2019-07-18
  • Updated: 2021-02-01
  • Resolved: 2019-07-29
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JDK 11 JDK 13 JDK 14 Other
11.0.11-oracleFixed 13.0.4Fixed 14 b08Fixed openjdk8u292Fixed
Related Reports
Blocks :  
JDK-8228725 - AArch64: Purge method call format support
Relates :  
JDK-8257192 - Integrate AArch64 JIT port into 8u
Description
There is a lot of code in AArch64 port that hooks up to the built-in simulator. That simulator was used to bootstrap/develop the port when hardware was not available. This simulator is not needed now, and we should remove it to unclutter the code. Cleanup may start from removing every mention of BUILTIN_SIM and all the code that is touched by it.
Comments
RFR: https://mail.openjdk.java.net/pipermail/jdk-updates-dev/2020-May/003112.html Backporting this patch considerably simplifies AArch64 port code, making dependent backports simpler, and brings 13u in alignment with other releases
21-05-2020
13u candidate: http://cr.openjdk.java.net/~snazarki/webrev/8228400/
19-05-2020
8u-aarch64 candidate: https://cr.openjdk.java.net/~shade/8228400/webrev.8u.01/
02-08-2019
Fix Request (11u) Backporting this patch considerably simplifies AArch64 port code, and brings it in line with other release trains. Patch applies with minor conflicts, passes tier1, tier2. 11u RFR: https://mail.openjdk.java.net/pipermail/jdk-updates-dev/2019-July/001518.html
01-08-2019
URL: https://hg.openjdk.java.net/jdk/jdk/rev/01bca26734bb User: shade Date: 2019-07-29 10:33:38 +0000
29-07-2019
RFR: https://mail.openjdk.java.net/pipermail/hotspot-dev/2019-July/038868.html
24-07-2019
Updated patch: http://cr.openjdk.java.net/~shade/8228400/webrev.01/
19-07-2019
Sample webrev: http://cr.openjdk.java.net/~shade/8228400/webrev.01 Compiles on aarch64. Have not ran any tests yet.
18-07-2019