Encoding:

EXTEND

11110

sa4:0

0

000000

SHIFT

00110

rx

ry

0

000

SLL

00

5

5

6

5

3

3

3

2

Format: 

SLL rx, ry, sa

MIPS16e

Shift Word Left Logical (Extended)

Purpose:

Shift Word Left Logical (Extended)

To execute a left-shift of a word by a fi ed number of bits-0 to 31 bits.

Description: 

GPR[rx] = GPR[ry] << sa

The 32-bit contents of GPR ry are shifted left, and zeros are inserted into the emptied low-order bits. The 5-bit sa field specifies the shift amount. The result is placed into G

rx.

Restrictions:

None

Operation: 

s = sa
temp = GPR[Xlat(ry)](31-s)..0|| 0s
GPR[Xlat(rx)] = temp

Exceptions:

None