Electronics America Network Cables User Manual
APPENDIX A MIPS III INSTRUCTION SET DETAILS
492
Preliminary User’s Manual S15543EJ1V0UM
DSRL32
Doubleword Shift Right Logical + 32
DSRL32
0
0 0 0 0 0
SPECIAL
0 0 0 0 0 0
rt rd sa
DSRL32
1 1 1 1 1 0
31 26 25 21 20 16 15 11 10 6 5 0
6 5555 6
Format:
DSRL32 rd, rt, sa
Description:
The contents of general register
rt
are shifted right by
32
+
sa
bits, inserting zeros into the high-order bits. The
result is placed in register
rd
.
This operation is defined in 64-bit mode or in 32-bit kernel mode. Execution of this instruction in 32-bit user or
supervisor mode causes a reserved instruction exception.
Operation:
64 T:
s ← 1 || sa
GPR [rd] ← 0
s
|| GPR [rt]
63..s
Exceptions:
Reserved instruction exception (32-bit user mode/supervisor mode)