PI99007: GENERATED BINARY CODE USES AN MVCL MOVE WHERE A FASTER MVC LOOP COULD BE GENERATED.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• When moving a smaller data item into a larger data item, an
  MVCL is generated instead of the faster MVC.
  

Local fix

• None or attempt compilation with higher OPT level.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Enterprise COBOL V6.1 compiling     *
  *                 programs containing MOVE statement of small  *
  *                 constant PIC X data item to much larger PIC  *
  *                 X data item.                                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: Generated binary code uses an MVCL      *
  *                      move where a faster MVC loop could be   *
  *                      generated.                              *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF.                      *
  ****************************************************************
  An MVCL is generated when moving a smaller data item into a
  larger data item.
  

Problem conclusion

• Compiler was updated to generate an MVC loop in a case where
  currently a slower MVCL is being generated.
  

Temporary fix

Comments

APAR Information

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

  PI98516

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

Modules/Macros

• IGY8RWTU IGYCCBE  IGYCCICS IGYCCSRV IGYCDGEN IGYCDIAG IGYCDMAP
  IGYCEN$0 IGYCEN$1 IGYCEN$2 IGYCEN$3 IGYCEN$4 IGYCEN$5 IGYCEN$8
  IGYCEN$D IGYCEN$R IGYCFGEN IGYCFREE IGYCINIT IGYCJA$0 IGYCJA$1
  IGYCJA$2 IGYCJA$3 IGYCJA$4 IGYCJA$5 IGYCJA$8 IGYCJA$D IGYCJA$R
  IGYCLIBH IGYCLIBO IGYCLIBR IGYCLSTR IGYCLVL0 IGYCLVL1 IGYCLVL2
  IGYCLVL3 IGYCLVL8 IGYCMALL IGYCOSCN IGYCPGEN IGYCRCTL IGYCRDPR
  IGYCRDSC IGYCREAL IGYCRWT  IGYCSCAN IGYCSIMD IGYCUE$0 IGYCUE$1
  IGYCUE$2 IGYCUE$3 IGYCUE$4 IGYCUE$5 IGYCUE$8 IGYCUE$D IGYCUE$R
  IGYCXREF IGYDRV   IGYEQCWI IGYMSGE  IGYMSGK  IGYMSGT  IGYQCBE
  IGYZQDRV IGYZQENU IGYZQJPN
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655EC600

Applicable component levels

• R610 PSY UI56627

     UP18/06/21 P F806

• R611 PSY UI56628

     UP18/06/22 P F806

• R612 PSY UI56629

     UP18/06/22 P F806

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.