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LI76962: INTERNAL COMPILER ERROR WITH -QSIMD=AUTO

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When compiling source code, the following internal compiler
    error is occurring when using -qsimd=auto:
    
    
    $ xlC -O3 -qhot -qsimd=auto -qmaxmem=-1 -qarch=pwr7 -qtune=pwr7
    -qcache=auto -c test.cpp
    
    Calling signal handler...
    1586-494 (U) INTERNAL COMPILER ERROR: Signal 11.
    

Local fix

  • Do not use -qsimd=auto
    

Problem summary

  • PROBLEM DESCRIPTION:
    Internal compiler error when simdizing code with a specific
    pattern (stores to adjacent memory location from different
    memory locations, as well as other conditions).
    
    USERS AFFECTED:
    Users who turn on simd with -qsimd=auto
    

Problem conclusion

  • The issue was corrected.
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI76962

  • Reported component name

    XL C/C++ FOR LI

  • Reported component ID

    5724X1400

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2012-08-21

  • Closed date

    2012-10-10

  • Last modified date

    2012-10-10

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    IV29524

Fix information

  • Fixed component name

    XL C/C++ FOR LI

  • Fixed component ID

    5724X1400

Applicable component levels

  • RB10 PSY

       UP



Document information

More support for: XL C/C++ for Linux

Software version: B10

Reference #: LI76962

Modified date: 10 October 2012