Reserve space in stack

Andrew Haley aph@redhat.com
Tue Apr 12 08:17:00 GMT 2016


On 12/04/16 05:34, sztfg@yandex.ru wrote:
> Why need to do this subq addq? How can I disable this?

The ABI keeps the stack 16-aligned.  This is necessary in
some cases, and GCC does not know what dummy() does, so it
has to keep the stack aligned when calling dummy().

Andrew.



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