A fix is available
APAR status
Closed as program error.
Error description
An instruction called 'UNKWN' is generated in the compiler ASM listing output when using the RTCHECK option with OPTimization enabled. The instruction might look like: 000178 EBA4 0003 00DF 000027 | SLLK r10,r4,3 00017E 1E78 000027 | ALR r7,r8 000180 B9FA A087 000027 | ALRK r8,r7,r10 000184 B9F3 000027 | ** UNKWN r15,r3 000186 A086 000027 | ** UNKWN r8,r6
Local fix
Disable the RTCHECK option with NORTCHECK.
Problem summary
**************************************************************** * USERS AFFECTED: XLC users using qrtcheck=all. * **************************************************************** * PROBLEM DESCRIPTION: Incorrect logic when generating * * assm instructions for rtcheck * * specific instructions, resulting in * * UNKWN opcode being generated. * **************************************************************** * RECOMMENDATION: Apply the provided PTF. * * * **************************************************************** .
Problem conclusion
Apply provided service.
Temporary fix
Comments
APAR Information
APAR number
PI63814
Reported component name
C/C++ FOR MVS
Reported component ID
56551210A
Reported release
7A0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-06-08
Closed date
2016-06-09
Last modified date
2016-08-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
CCNETBY
Fix information
Fixed component name
C/C++ FOR MVS
Fixed component ID
56551210A
Applicable component levels
R7A0 PSY UI38559
UP16/07/29 P F607
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
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Document Information
Modified date:
22 August 2024