Alpha Servers
Showing results for 
Search instead for 
Did you mean: 

EV6 Byte Lane Optimize

Occasional Contributor

EV6 Byte Lane Optimize

I have a DS15 that is doing memory mapped I/O to hardware. The problem is that unless a memory barrier asm("MB") is issued before and after each access the upper byte lanes are corrupt. I'm using FORTRAN code.

Any thoughts?