APPENDIX A MIPS III INSTRUCTION SET DETAILS
556 Preliminary Users Manual S15543EJ1V0UM
SRLV Shift Right Logical Variable SRLV
rs
SPECIAL
0 0 0 0 0 0 rt rd 0
0 0 0 0 0

SRLV

0 0 0 1 1 0
31 26 25 21 20 16 15 11 10 6 5 0
6 5555 6
Format:
SRLV rd, rt, rs
Description:
The contents of general register

rt

are shifted right by the number of bits specified by the low-order five bits of
general register

rs,

inserting zeros into the high-or der bits.
The result is placed in register
rd
.
In 64-bit mode, the operand must be a valid sign-extended, 32-bit value.
Operation:
32 T: s GPR [rs]4...0
GPR [rd] 0s || GPR [rt]31...s
64 T: s GPR [rs]4...0
temp 0s || GPR [rt]31...s
GPR [rd] (temp31)32 || temp
Exceptions:
None