That's why I prefer using MVCLE instead of MVCL

-----Mensagem original-----
De: IBM Mainframe Assembler List <[email protected]> Em nome
de Robin Vowels
Enviada em: sexta-feira, 6 de março de 2026 02:20
Para: [email protected]
Assunto: Re: [External Sender] Re: Loading the pad byte for MVCL

On 06/03/2026 10:45, David Clark wrote:
> But what if the length is calculated (not from an equate or L' 
> attribute)
> and is already in the target register?

Then use ICM.

The main reason for using MVCL is that the length is computed at run 
time.
If the length is known as assembler time, you might use a few MVC's
instead of MVCL.

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