APAR status
Closed as program error.
Error description
Error Message: Wrong result with some long arithmetic . Stack Trace: N/A . The problem can only occur on x86-64 (AMD and Intel CPUs) running the 64bit JVM.
Local fix
Disable JIT compiling the one method where problem was found. -Xjit:exclude={full_method_name}
Problem summary
The problem was an unanticipated condition in a new sequence added for analyse add for LEA, where we tried to use a LEA operation with 3 registers on 64bit, because the constant used in the LEA expression couldn't be fit in 32bits.
Problem conclusion
This defect will be fixed in: 7.0.0 SR5 6.0.1 SR6 6.0.0 SR14 5.0.0 SR16 FP3 . The code was modified and to reject using an LEA instruction for this situation.
Temporary fix
Comments
APAR Information
APAR number
IV44174
Reported component name
JIT
Reported component ID
620700124
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2013-06-12
Closed date
2013-06-12
Last modified date
2013-06-18
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
JIT
Fixed component ID
620700124
Applicable component levels
R260 PSY
UP
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Document Information
Modified date:
18 June 2013