i was reading Example in lecture about dependencies i1: MUL R1, R2, R3  i2: ADD R4, R4, R1 i3: MUL R1, R5, R6  i4: SUB R4, R4, R1they said that there are 3 dependencies : i1 -> i2 ( RAW ) i1 -> i3 ( WAW ) i2 -> i3 ( WAR ) why they not calculate i2 -> i4 ( WAR ) and ( RAW ) ???? i3 -> i4 ( RAW )
data dependence pipeline
computer architecture