8 integer arithmetic instructions, 8 integer arithmetic instructions -41 – Cirrus Logic EP93xx User Manual
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DS785UM1
3-41
Copyright 2007 Cirrus Logic
MaverickCrunch Co-Processor
EP93xx User’s Guide
3
3
3
Single Precision Floating Point Multiply
Description:
Multiplies two single precision floating point numbers:
CRd = CRn
×
CRm
Mnemonic:
CFMULS<cond> CRd, CRn, CRm
Bit Definitions:
CRd: Destination
register
CRn: Multiplicand
register
CRm: Multiplicand
register
Double Precision Floating Point Multiply
Description:
Multiplies two double precision floating point numbers.
Mnemonic:
CFMULD<cond> CRd, CRn, CRm
Bit Definitions:
CRd: Destination
register
CRn: Multiplicand
register
CRm: Multiplicand
register
3.5.8 Integer Arithmetic Instructions
32-bit Integer Absolute Value
Description:
Computes the absolute value of a 32-bit integer.
Mnemonic:
CFABS32<cond> CRd, CRn
Bit Definitions:
CRd: Destination
register
CRn: Source
register
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 0
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 0
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
1 1
CRn
CRd
0 1 0 1
0 0 0
0
CRm