mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1180

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

cmp
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
B
2
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31
For More Information On This Product,
19
3
b
if a < b then c
else if a > b then c
else c
CR[4 crfD–4 crfD + 3]
the operands as signed integers. The result of the comparison is
placed into CR field crfD.
Other registers altered:
Simplified mnemonics:
cmp
Compare
a
The contents of rA are compared with the contents of rB treating
cmpd
cmpw
POWERPC ARCHITECTURE
20
MPC823 REFERENCE MANUAL
4
EXTS(rB)
EXTS(rA)
Condition Register (CR field specified by operand crfD):
Affected: LT, GT, EQ, SO
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21
0b001
5
LEVEL
rA,rB
cr3,rA,rB
UISA
crfD,L,rA,rB
22
6
0b100
CRFD
23
7
0b010
equivalent to
equivalent to
24
8
0000000000
c || XER[SO]
25
9
0
SUPERVISOR
LEVEL
10
26
L
MPC823 Instruction Set—cmp
11
27
cmp
cmp
OPTIONAL
12
28
13
29
0,1,rA,rB
3,0,rA,rB
A
14
30
FORM
X
B-27
15
31
0