JDK-8154739 : AArch64: TemplateTable::fast_xaccess loads in wrong mode
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • CPU: aarch64
  • Submitted: 2016-04-20
  • Updated: 2021-02-01
  • Resolved: 2016-04-20
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JDK 9 Other
9 b120Fixed openjdk8u292Fixed
Related Reports
Relates :  
JDK-8257192 - Integrate AArch64 JIT port into 8u
Description
in fast_xaccess,
   case itos:
        __ ldr(r0, Address(r0, r1, Address::lsl(0)));

This is a full xword load but it should be a halfword.

Also, 

    __ membar(MacroAssembler::LoadLoad);

should be LoadLoad | LoadStore.