MIPS R4000 Microprocessor User's Manual A-135
CPU Instruction Set Details
Given a doubleword in a register and a doubleword in memory, the
operation of SDL is as follows:
LEM Little-endian memory (BigEndianMem = 0)
BEM BigEndianMem = 1
Type AccessType (see Table 2-1) sent to memory
Offset pAddr
2...0
sent to memory
Exceptions:
TLB refill exception
TLB invalid exception
TLB modification exception
Bus error exception
Address error exception
Reserved instruction exception (R4000 in 32-bit mode)
SDL
Store Doubleword Left
SDL
(continued)
SDL
ACDB
Register
IKLJ
Memory
EGHF
MOPN
0 I J KLMNOA 0 0 7 ABCDEFGH 7 0 0
1IJKLMNAB106IABCDEFG601
2 I JKLMABC 2 0 5 I J ABCDEF 5 0 2
3 I JKLABCD 3 0 4 I J KABCDE 4 0 3
4IJKABCDE403IJKLABCD304
5IJABCDEF502IJKLMABC205
6IABCDEFG601IJKLMNAB106
7ABCDEFGH700IJKLMNOA007
offset
BigEndianCPU = 1
BigEndianCPU = 0
offset
LEM BEM
LEM BEM
vAddr
2..0
type
destination
destination
type