Chapter 2 of Assembler Services.

--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Assembler List [[email protected]] on behalf 
of Dave Clark [[email protected]]
Sent: Thursday, January 20, 2022 10:53 AM
To: [email protected]
Subject: Re: Saving Caller's 64-bit Registers

"IBM Mainframe Assembler List" <[email protected]> wrote on
01/20/2022 10:43:30 AM:
> As I remember, all are saved. It's not a simple 'add to the end', they
> redefined the front fullwords too.


        Where can I find a description of the elements of the register
save area then?  But, for now, I will stick with the original 72 bytes (3
pointer words and 15 words for the low halves of general purpose registers
14 through 12) and add 64 bytes to save the high halves of all general
purpose registers.


Sincerely,

Dave Clark
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