Commit c53e1f6d authored by Niels Möller's avatar Niels Möller
Browse files

Some cleanup.

Rev: src/nettle/sparc/aes.asm:1.84
parent 0bed249e
......@@ -133,10 +133,7 @@ _aes_crypt:
sub nrounds, 1, round
add ctx, 16, key
nop
! 4*i
! NOTE: Instruction duplicated in delay slot
C mov 0, i
.Lround_loop:
! The comments mark which j in T->table[j][ Bj(wtxt[IDXi(i)]) ]
! the instruction is a part of.
......@@ -149,7 +146,6 @@ _aes_crypt:
! IDX2(j) = j XOR 2
mov 8, t2 ! 2
C xor i, 8, t2 ! 2
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
ld [IDX3], t3 ! 3
......@@ -178,13 +174,11 @@ _aes_crypt:
xor t0, t3, t0 ! 0, 1, 2, 3
xor t0, t1, t0
st t0, [tmp]
C add i, 4, i
C i = 1
ld [IDX1+4], t1 ! 1
! IDX2(j) = j XOR 2
C xor i, 8, t2 ! 2
mov 12, t2 ! 2
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
......@@ -214,13 +208,11 @@ _aes_crypt:
xor t0, t3, t0 ! 0, 1, 2, 3
xor t0, t1, t0
st t0, [tmp+4]
C add i, 4, i
C = 2
ld [IDX1+8], t1 ! 1
! IDX2(j) = j XOR 2
C xor i, 8, t2 ! 2
mov 0, t2 ! 2
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
......@@ -250,13 +242,11 @@ _aes_crypt:
xor t0, t3, t0 ! 0, 1, 2, 3
xor t0, t1, t0
st t0, [tmp+8]
C add i, 4, i
C = 3
ld [IDX1+12], t1 ! 1
! IDX2(j) = j XOR 2
C xor i, 8, t2 ! 2
mov 4, t2 ! 2
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
......@@ -286,7 +276,6 @@ _aes_crypt:
xor t0, t3, t0 ! 0, 1, 2, 3
xor t0, t1, t0
st t0, [tmp+12]
C add i, 4, i
C End of unrolled loop
......@@ -295,10 +284,8 @@ _aes_crypt:
xor tmp, diff, tmp
subcc round, 1, round
add key, 16, key
bne .Lround_loop
nop
C mov 0, i
add key, 16, key
! final round
! Use round as the loop variable, as it's already zero
......
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