Re: [MiNT] Missing clobbered register in gemlib

["Helmut Karlowski" <helmut.karlowski@ish.de>]

Am 20.12.2009, 12:40 Uhr, schrieb Vincent Rivière  
<vincent.riviere@freesbee.fr>:

First: thank you once more ;)

> The registers d0/d1/a0/a1 are not backuped because it is legal to modify  
> them. d2 is automatically backuped by GCC because it needs a free data

So if fvdi changes d0-d1/a0, there should never be a problem from this if  
called from C, and the bus-error I get on v_clswk must come from somewhere  
else.

> a0. At the beginning of graf_handle(), GCC put important data into a0.  
> Then it calls the trap #2. And after that, it uses a0 at the end of

What AES - that one from EMUTOS?

-Helmut