On Wed, 26 Jun 2013 06:26:21 +0000, Hunkeler, Peter (TLSG 4) wrote:

>The question is not whether or not the code *can* use the caller's save area.
>The code *shall* use the caller's save area to save the caller's register 
>content.

That is one way to save the caller's registers, not the only documented Linkage 
Convention.

-- 
Tom Marchant

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