mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1257

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

MPC823 Instruction Set—mulhw
mulhw
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
B
2
Freescale Semiconductor, Inc.
31
For More Information On This Product,
19
3
mulhw.
rD
high-order 32 bits of the 64-bit product of the operands are
placed into rD. Both the operands and the product are
interpreted as signed integers. This instruction may execute
faster on some implementations if rB contains the operand
having the smaller absolute value.
Other registers altered:
mulhw
Multiply High Word
prod[0–63]
The 64 -bit product is formed from the contents of rA and rB. The
POWERPC ARCHITECTURE
20
MPC823 REFERENCE MANUAL
4
prod[0–31]
Condition Register (CR0 field):
Affected: LT, GT, EQ, SO (if Rc = 1)
Go to: www.freescale.com
21
5
0
LEVEL
UISA
rD,rA,rB (Rc = 0)
rD,rA,rB (Rc = 1)
22
rA
6
rB
23
7
24
D
8
25
9
SUPERVISOR
LEVEL
10
26
75
11
27
OPTIONAL
12
28
13
29
A
MOTOROLA
14
30
FORM
XO
RC
15
31