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MC68LC040RC25A Datasheet, PDF (328/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual | |||
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Freescale Semiconductor, Inc.
10.7.3 Timings in the Floating-Point Unit (Concluded)
Instruction
FMOVEM
FCMP
Opclass
4
5
6
7
0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
Size
â
â
â
â
â
â
â
â
â
S,D
S,D
S,D
S,D
S,D
X
X
X
X
X
Precision
â
â
â
â
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Operands
â
â
â
â
Norm,Norm
Norm,Zero
Zero,Zero
â ,Inf
â ,NAN
Norm,Norm
Norm,Zero
Zero,Zero
â ,Inf
â ,NAN
Norm,Norm
Norm,Zero
Zero,Zero
â ,Inf
â ,NAN
Conversion
2 + (2 per reg)
2 + (2 per reg)
2 + (3 per reg)
2 + (3 per reg)
2(3)
2(3)
4
4
4
2(3)
2(3)
4
4
4
3(4)
3(4)
5
5
5
Execution
0
0
0
0
3
3
0
0
0
3
3
0
0
0
3
3
0
0
0
Normalization
0
0
0
0
1
1
0
0
0
1
1
0
0
0
1
1
0
0
0
MOTOROLA
M68040 USERâS MANUAL
For More Information On This Product,
Go to: www.freescale.com
10-37
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