MCP750 PCI

Kamen Penev kamen at penev.net
Tue Jan 21 20:33:51 UTC 2003


Till Straumann wrote:

> However if you want to have
>
> st_le32(address1, val1);
> val2=ld_le32(address2);
>
> executed in this order (i.e. enforce reading from address2 only after
> val1 has been stored to address1), you should probably use the 
> out_xxx/in_xxx macros (which contain a 'eieio' instruction after the
> load/store). 


On the 603e and, I believe, 750 families eieio is a no-op.

Kamen





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