IV30107: COMPILER DOES NOT DETECT __ROTATEL4 PATTERN

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • XLC compiler does not detect __rotatel4 pattern.
    Other compilers detect rotate code automatically.
    

Local fix

  • N/A
    

Problem summary

  • USERS AFFECTED:
    Users that compile with -q64 and optimization and have a
    specific shift pattern that could be a rotate may be affected by
    this issue.
    
    PROBLEM DESCRIPTION:
    The optimizer failed to detect opportunity to use a rotate
    instruction in 64-bit mode.
    

Problem conclusion

  • The issue has been fixed.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV30107

  • Reported component name

    XL C/C++ FOR AI

  • Reported component ID

    5725C7200

  • Reported release

    C10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-15

  • Closed date

    2012-11-23

  • Last modified date

    2012-11-23

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

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

    LI77125

Fix information

  • Fixed component name

    XL C FOR AIX

  • Fixed component ID

    5725C7100

Applicable component levels

  • RC10 PSY

       UP



Rate this page:

(0 users)Average rating

Document information


More support for:

XL C for AIX
Compiler

Software version:

12.1

Reference #:

IV30107

Modified date:

2012-11-23

Translate my page

Machine Translation

Content navigation