Texas Instruments TMS320C3x User Manual

Page 143

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Normalization Using the NORM Instruction

5-38

Figure 5–18. Flowchart for NORM Instruction Operation

Test for special cases of

c (man)

c(exp) = –128

(1)

α

(

man) = 0

Test for special cases of

c (exp)

(6)

c (exp)

underflow

(7)

c (exp) in

range

c (exp) = –128
No change to

c (man)

Set

c to final result

c = norm(

α

)

(8)

(9)

(3)

Sign-extended

α

(

man) 1 bit

c (man) =

α

(

man) < < k

c (exp) =

α

(

exp) – k

(4)

k = # of leading
nonsignificant
sign bits

α

Remove most significant nonsign bit

(5)

Leading nonsignificant sign bits

(2)

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