mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1181

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

MPC823 Instruction Set—cmpi
cmpi
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
2
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11
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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
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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