If i remember correctly, Alastair asked for code that could
reproduce the "INTERNAL ERROR: Error in graph" mesg.
look at http://www.cse.ogi.edu/~byron/bug.tar.gz
start it up with "hugs ReOrder.hs"
and type "printROB tst", and you'll get
0----------------------------
retired = [Trans [Register (Real R5) (Val (Word 5))] (NoOp "") [] []]
recycled v regs = [0]
instructions for RS = [Trans [Register (Real R5) (Val (Word 5))] (NoOp "")
[] []]
number of instructions to fetch =
Program error: {v1637 v2436
INTERNAL ERROR: Error in graph
byron
