PI95052: 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 V6.2 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 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 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  IGYWCL   IGYWCLG  IGYZQDRV IGYZQENU
  IGYZQJPN
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655EC600

Applicable component levels

• R620 PSY UI54510

     UP18/03/28 P F803

• R621 PSY UI54511

     UP18/03/28 P F803

• R622 PSY UI54512

     UP18/03/28 P F803

Fix is available

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