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 |