GetReg and GenCode: Example 6/10
reserved
w
x
free
reserved
0,1
2
3
4-11
12-15
contents
reg.
in memory
nowhere
2
3
nowhere
a-d
u, v
w
x
y, z
address
var.
RAT:
AT:
GetReg: R4
Instruction: (5) y:=c+1
Properties: y, c: live
GenCode: load R4,c
add  R4,#1
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