On 08/10/2014 17:56, Alan Hourihane wrote:
But essentially, I think this step is a no-op, because GCC will save/restore it's accessed registers anyway.
GCC always saves d2-d7/a2-a6, but definitely d0-d1/a0-a1 may be trashed by a function. If one of them must be preserved, then some care must be taken.
-- Vincent Rivière