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LSH
lsh
Commits
76d358f7
Commit
76d358f7
authored
May 16, 2002
by
Niels Möller
Browse files
(_aes_crypt): Unrolled source loop.
Rev: src/nettle/sparc/aes.asm:1.111
parent
888c153e
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/nettle/sparc/aes.asm
View file @
76d358f7
...
...
@@ -63,6 +63,24 @@ define(t1, %o1)
define
(
t2
,
%
o2
)
define
(
t3
,
%
o3
)
C
AES_LOAD
(
i
)
C
Get
one
word
of
input
,
XOR
with
first
subkey
,
store
in
wtxt
define
(
<
AES_LOAD
>
,
<
ldub
[
src
+
$
1
],
t0
ldub
[
src
+
$
1
+
1
],
t1
sll
t1
,
8
,
t1
or
t0
,
t1
,
t0
ldub
[
src
+
$
1
+
2
],
t2
sll
t2
,
16
,
t2
or
t0
,
t2
,
t0
ldub
[
src
+
$
1
+
3
],
t1
sll
t1
,
24
,
t1
or
t0
,
t1
,
t0
ld
[
key
+
$
1
],
t2
xor
t0
,
t2
,
t0
st
t0
,
[
wtxt
+
$
1
]
>)
dnl
C
AES_ROUND
(
i
)
C
Compute
one
word
in
the
round
function.
C
Input
in
wtxt
,
output
stored
in
tmp
+
i.
...
...
@@ -186,8 +204,80 @@ _aes_crypt:
!
For
stop
condition.
Note
that
src
is
incremented
in
the
!
delay
slot
add
src
,
8
,
%
g1
C
AES_LOAD
(
0
)
!
i
=
0
C
AES_LOAD
(
4
)
!
i
=
1
C
AES_LOAD
(
8
)
!
i
=
2
C
AES_LOAD
(
12
)
!
i
=
3
C
add
src
,
16
,
src
C
.Lsource_loop
:
C
Begin
loop
C
i
=
0
ldub
[
src
+
3
],
t3
ldub
[
src
+
2
],
t2
sll
t3
,
24
,
t3
ldub
[
src
+
1
],
t1
sll
t2
,
16
,
t2
or
t3
,
t2
,
t3
ldub
[
src
],
t0
sll
t1
,
8
,
t1
!
Get
subkey
ld
[
src
+%
g2
],
t2
or
t3
,
t1
,
t3
or
t3
,
t0
,
t3
xor
t3
,
t2
,
t3
C
cmp
src
,
%
g1
st
t3
,
[
src
+%
g3
]
C
bl
eu
.Lsource_loop
add
src
,
4
,
src
C
i
=
1
ldub
[
src
+
3
],
t3
ldub
[
src
+
2
],
t2
sll
t3
,
24
,
t3
ldub
[
src
+
1
],
t1
sll
t2
,
16
,
t2
or
t3
,
t2
,
t3
ldub
[
src
],
t0
sll
t1
,
8
,
t1
!
Get
subkey
ld
[
src
+%
g2
],
t2
or
t3
,
t1
,
t3
or
t3
,
t0
,
t3
xor
t3
,
t2
,
t3
C
cmp
src
,
%
g1
st
t3
,
[
src
+%
g3
]
C
bl
eu
.Lsource_loop
add
src
,
4
,
src
C
i
=
2
ldub
[
src
+
3
],
t3
ldub
[
src
+
2
],
t2
sll
t3
,
24
,
t3
ldub
[
src
+
1
],
t1
sll
t2
,
16
,
t2
or
t3
,
t2
,
t3
ldub
[
src
],
t0
sll
t1
,
8
,
t1
.Lsource_loop:
!
Get
subkey
ld
[
src
+%
g2
],
t2
or
t3
,
t1
,
t3
or
t3
,
t0
,
t3
xor
t3
,
t2
,
t3
C
cmp
src
,
%
g1
st
t3
,
[
src
+%
g3
]
C
bl
eu
.Lsource_loop
add
src
,
4
,
src
C
i
=
3
ldub
[
src
+
3
],
t3
ldub
[
src
+
2
],
t2
sll
t3
,
24
,
t3
...
...
@@ -204,10 +294,12 @@ _aes_crypt:
or
t3
,
t0
,
t3
xor
t3
,
t2
,
t3
cmp
src
,
%
g1
C
cmp
src
,
%
g1
st
t3
,
[
src
+%
g3
]
bleu
.Lsource_loop
C
bl
eu
.Lsource_loop
add
src
,
4
,
src
C
End
loop
sub
nrounds
,
1
,
round
add
ctx
,
16
,
key
...
...
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