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Re: [MiNT] [PATCH] Make EHCI driver interrupt handler follow PCI-BIOS specification.



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