PI95051: COMPILER GENERATES A MVCL INSTRUCTION WHEN A SERIES OF MVCS WOULD BE FASTER.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Compiler generates a slower MVCL instruction rather than a
  faster series of MVCs.
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Enterprise COBOL V5.2 compiling     *
  *                 programs containing a MOVE ALL to a          *
  *                 reference-modified receiver that is longer   *
  *                 than 255 bytes.                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: Compiler generates a slower MVCL        *
  *                      instruction rather than a faster        *
  *                      series of MVCs.                         *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF.                      *
  ****************************************************************
  Compiler generates a MVCL instruction when a series of MVCs
  would be faster.
  

Problem conclusion

• Compiler was updated to generate the faster MVC instructions
  rather than MVCL.
  

Temporary fix

Comments

APAR Information

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

  PI95020

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

Modules/Macros

• IGY8RWTU IGYCBE   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 IGYECWI  IGYMSGE  IGYMSGK  IGYMSGT
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655W3200

Applicable component levels

• R520 PSY UI54486

     UP18/03/29 P F803

• R521 PSY UI54487

     UP18/03/30 P F803

• R522 PSY UI54488

     UP18/03/30 P F803

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.