3:190
Volume 3: Instruction Reference
mux
mux — Mux
Format:
(
qp
) mux1
r
1
=
r
2
,
mbtype
4
one_byte_form
(
qp
) mux2
r
1
=
r
2
,
mhtype
8
two_byte_form
Description:
A permutation is performed on the packed elements in a single source register, GR
r
2
,
and the result is placed in GR
r
1
. For 8-bit elements, only some of all possible
permutations can be specified. The five possible permutations are given in
.
Table 2-41.
Mux Permutations for 8-bit Elements
mbtype
4
Function
@rev
Reverse the order of the bytes
@mix
Perform a Mix operation on the two halves of GR
r
2
@shuf
Perform a Shuffle operation on the two halves of GR
r
2
@alt
Perform an Alternate operation on the two halves of GR
r
2
@brcst
Perform a Broadcast operation on the least significand byte of GR
r
2
Figure 2-26. Mux1 Operation (8-bit elements)
GR r
1
:
GR r
2
:
mux1 r1 = r2, @rev
GR r
1
:
GR r
2
:
mux1 r1 = r2, @mix
GR r
1
:
GR r
2
:
mux1 r1 = r2, @shuf
GR r
1
:
GR r
2
:
mux1 r1 = r2, @alt
GR r
1
:
GR r
2
:
mux1 r1 = r2, @brcst
Содержание Itanium 9150M
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Страница 209: ...3 200 Volume 3 Instruction Reference padd Interruptions Illegal Operation fault...
Страница 301: ...3 292 Volume 3 Pseudo Code Functions Intel Itanium Architecture Software Developer s Manual Rev 2 3...
Страница 405: ...3 396 Volume 3 Resource and Dependency Semantics...
Страница 406: ...3 397 Intel Itanium Architecture Software Developer s Manual Rev 2 3 Index...
Страница 407: ...3 398 Intel Itanium Architecture Software Developer s Manual Rev 2 3...
Страница 419: ...INDEX Index 12 Index for Volumes 1 2 3 and 4...
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