Cirrus Logic EP93xx User Manual
Page 114
3-44
DS785UM1
Copyright 2007 Cirrus Logic
MaverickCrunch Co-Processor
EP93xx User’s Guide
3
3
3
Bit Definitions:
CRd: Destination
register
CRn: Minuend
register
CRm: Subtrahend
register
32-bit Integer Multiply
Description:
Multiplies two 32-bit integers.
Mnemonic:
CFMUL32<cond> CRd, CRn, CRm
Bit Definitions:
CRd: Destination
register
CRn: Multiplicand
register
CRm: Multiplicand
register
64-bit Integer Multiply
Description:
Multiplies two 64-bit integers.
Mnemonic:
CFMUL64<cond> CRd, CRn, CRm
Bit Definitions:
CRd: Destination
register
CRn: Multiplicand
register
CRm:
Multiplicand register
32-bit Integer Multiply-Add
Description:
Multiplies two 32-bit integers and adds the result to another 32-bit integer:
CRd = CRd + (CRn
×
CRm)
Mnemonic:
CFMAC32<cond> CRd, CRn, CRm
31:28
27:24
23:22
21:20
19:16
15:12
11:8
7:5
4
3:0
cond
1 1 1 0
0 0
0 1
CRn
CRd
0 1 0 1
0 0 0
0
CRm
31:28
27:24
23:22
21:20
19:16
15:12
11:8
7:5
4
3:0
cond
1 1 1 0
0 0
0 1
CRn
CRd
0 1 0 1
0 0 1
0
CRm
31:28
27:24
23:22
21:20
19:16
15:12
11:8
7:5
4
3:0
cond
1 1 1 0
0 0
0 1
CRn
CRd
0 1 0 1
0 1 0
0
CRm