Example of MIPS R4000 Floating Point
Taken from David Patterson CS252 Berkeley Fall 1996
3 Functional Units FP Adder, FP Multiplier, FP Divider
8 Kinds of Stages in FP Units
Stage Functional Unit Description
A FP Adder Mantissa ADD stage
D FP Divider Divide Pipeline stage
E FP Multiplier Exception Test stage
M FP Multiplier First stage of multiplier
N FP Multiplier Second stage of multiplier
R FP Adder Rounding stage
S FP Adder Operand Shift stage
U Unpack Floating point numbers