JDK-8232778 : Shenandoah: SBSA::arraycopy_prologue checks wrong register
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 8-shenandoah,11-shenandoah,14
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2019-10-22
  • Updated: 2019-10-28
  • Resolved: 2019-10-22
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JDK 14
14 b20Fixed
Related Reports
Blocks :  
JDK-8232782 - Shenandoah: streamline post-LRB CAS barrier (aarch64)
Relates :  
JDK-8231086 - Shenandoah: Stronger invariant for object-arraycopy
Description
See here:
https://hg.openjdk.java.net/jdk/jdk/file/24d411cb3a90/src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp#l61

The load happens into rscratch1, yet we are testing rscratch2.
Comments
URL: https://hg.openjdk.java.net/jdk/jdk/rev/a39cdab8fac1 User: shade Date: 2019-10-22 12:10:08 +0000
22-10-2019