How to use C-land variable from Cmm-land?

Axel Simon Axel.Simon at
Sun Dec 9 09:07:44 CET 2012

On 09.12.2012, at 00:12, Yuras Shumovich <shumovichy at> wrote:

> It looks wrong for me: the highest part of %rax remains uninitialized.

When 32 bits are assigned to any of the standard registers, the upper 32 bits are implicitly set to zero. Intel is weird.


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