
5.7 Data Shift Instructions
5.7.1 Bit Rotate Left (ROTL)
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5.7 Data Shift Instructions
5.7.1 Bit Rotate Left (ROTL)
( 1 ) Operation
The ROTL instruction rotates the data specified by the first bit address and bit width to the left by the specified number
of bits.
( 2 ) Format
∗ C and # registers cannot be used.
Bit width (m)
First bit
address
m − 1m − 2m − 343210
Number of bits to rotate
Number of bits
to rotate
Bit width
First bit address
Icon:
Key entry: ROTL
Parameter Name
Applicable Data Types
B W L F A Index Constant
First bit address (Adr)
{
*
××××××
Number of bits to rotate
(Num)
×
{
×××
{{
Bit width (Width) ×
{
×××
{{
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