Bypass Paths - II
Select bypass if
OPCODERF = OP AND
WERF = 1 AND
rbRF = WA
(Similar path for other ALU input)
ALU
A
B
Register
File
RA1
RD1
RD2
RA2
1
0
1
0
0
1
0
1
2
RA2SEL
BSEL
ASEL
WDSEL
IRRF
IRALU
A
B
IRWB
Y
ADD(r1, r2, r3)
???
XOR(r4, r5, r2)
Register
File
WA
WD
WERF
0
1
WASEL
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