Table of Contents
Advertisement
MPC823e Instruction Set—mulhw
mulhw
Assembler Syntax
BIT
0
1
2
FIELD
31
BIT
16
17
18
FIELD
B
Definition
Operation
Description
B-104
mulhw
rD,rA,rB (Rc = 0)
mulhw.
rD,rA,rB (Rc = 1)
3
4
5
6
7
19
20
21
22
23
0
Multiply High Word
prod[0–63] ← rA ∗ rB
rD ← prod[0–31]
The 64 -bit product is formed from the contents of rA and rB. The
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:
Condition Register (CR0 field):
Affected: LT, GT, EQ, SO (if Rc = 1)
POWERPC ARCHITECTURE
LEVEL
UISA
MPC823e REFERENCE MANUAL
8
9
10
11
12
D
24
25
26
27
28
75
SUPERVISOR
OPTIONAL
LEVEL
13
14
15
A
29
30
31
RC
FORM
XO
MOTOROLA
Advertisement
Table of Contents
