mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1181
mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
(1348 pages)
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MPC823 Instruction Set—cmpi
cmpi
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
2
Freescale Semiconductor, Inc.
11
For More Information On This Product,
19
3
if a < EXTS(SIMM) then c
else if a > EXTS(SIMM) then c
else c
CR[4 crfD–4 crfD + 3]
of the SIMM field, treating the operands as signed integers. The
result of the comparison is placed into CR field crfD.
Other registers altered:
Simplified mnemonics:
cmpi
Compare Immediate
a
The contents of rA are compared with the sign-extended value
cmpdi rA,value
cmpwi
POWERPC ARCHITECTURE
20
MPC823 REFERENCE MANUAL
4
(rA)
Condition Register (CR field specified by operand crfD):
Affected: LT, GT, EQ, SO
Go to: www.freescale.com
21
0b001
5
cr3,rA,value
LEVEL
UISA
22
crfD,L,rA,SIMM
6
CRFD
23
7
SIMM
24
8
equivalent to
equivalent to
0b100
c || XER[SO]
25
9
0
SUPERVISOR
0b010
10
26
L
11
27
cmpi
cmpi
OPTIONAL
12
28
13
29
0,1,rA,value
3,0,rA,value
A
MOTOROLA
14
30
FORM
D
15
31
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