PI98516: 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 V6.2 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:

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

  PI98911 PI99007

Modules/Macros

• IGY8RWTU IGYCASMB IGYCCBE  IGYCCCRT 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 IGYCOB2E IGYCOPI
  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  IGYWIVP1 IGYWIVP2 IGYZQDRV
  IGYZQENU IGYZQJPN
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655EC600

Applicable component levels

• R620 PSY UI57342

     UP18/08/02 P F807

• R621 PSY UI58271

     UP18/10/02 P F809

• R622 PSY UI57344

     UP18/07/31 P F807

• R62H PSY UI58273

     UP18/09/06 P F809

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.