Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1038
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fsxt — Floating-point Sign Extend
(
) fsxt.l
Format:
qp
(
) fsxt.r
qp
For the sxt_l_form (sxt_r_form), the sign of the left (right) single precision value in FR
Description:
is extended to 32-bits and is concatenated with the left (right) single precision value
f
2
in FR
.
f
3
For all forms, the exponent field of FR
(0x1003E) and the sign field of FR
For all forms, if either FR
computed result.
Figure 2-21.
FR
f
2
Figure 2-22.
FR
f
2
Volume 3: Instruction Reference
=
,
f
f
f
1
2
3
=
,
f
f
f
1
2
3
or FR
f
2
Floating-point Sign Extend Left
81
80
64
63 62
32
31
Extended
81
80
FR
1003E
f
0
1
Floating-point Sign Extend Right
81
80
64 63
32
31
30
Extended
81
80
FR
1003E
f
0
1
is set to the biased exponent for 2.0
f
1
is set to positive (0).
f
1
is a NaTVal, FR
is set to NaTVal instead of the
f
f
3
1
0
81
80
FR
f
3
64 63
32 31
0
81
80
FR
f
3
64 63
32 31
sxt_l_form
sxt_r_form
63
64 63
32 31
0
64 63
32 31
0
fsxt
F9
F9
0
0
3:139
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