
MOTOROLA
M68040 USER’S MANUAL
10-31
10.7.2 Integer Unit Support Timings (Continued)
FMOVE FPn,<ea>*
Addressing
Byte, Word, and Long Word
Single and Double Precision
Extended Precision
Mode
<ea>
Calculate
Execute
<ea>
Calculate
Execute
<ea>
Calculate
Execute
Dn
9
9L + 3
2
1L + 3
—
An
——————
(An)
8
9L + 2
2
1L + 2
4
1L + 3
(An)+
8
9L + 2
2
1L + 2
4
1L + 3
–(An)
8
9L + 2
2
1L + 2
4
1L + 3
(xxx).W, (xxx).L
8
9L + 2
3
1L + 2
4
1L + 3
#<xxx>
——————
(d 16,An)
8
9L + 2
2
1L + 2
4
1L + 3
(d 16,PC)
——————
(d 8,An,Xn)
8
6L + 5
5566
(d 8,PC,Xn)
——————
(An,Xn)
7
4L + 6
7
1L + 6
8
1L + 7
(bd,An,Xn)
8
4L + 7
8
1L + 7
9
1L + 8
([bd,An,Xn])
11
1L + 10
11
1L + 10
12
1L + 11
([bd,An,Xn],od)
12
1L + 11
12
1L + 11
13
1L + 12
([bd,An],Xn)
12
3L + 9
12
3L + 9
13
3L + 10
([bd,An],Xn,od)
13
3L + 10
13
3L + 10
14
3L + 11
*Timings are for an idle floating-point unit.
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Freescale Semiconductor, Inc.
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