Commit 26756e84 authored by Niels Möller's avatar Niels Möller
Browse files

* sparc/aes.asm (_aes_crypt): Deleted a bunch of additions of two,

after accessing IDX1.

Rev: src/nettle/sparc/aes.asm:1.94
parent bc527459
......@@ -57,9 +57,10 @@ define(T0, %l6)
define(T1, %l7)
define(T2, %g5)
define(T3, %o7)
C define(IDX1, %i5)
C IDX1 cointains the permutation values * 4 + 2
define(IDX1, <T + AES_SIDX1 >)
C define(IDX3, %o5)
C IDX3 cointains the permutation values * 4
define(IDX3, <T + AES_SIDX3 >)
! Teporaries
......@@ -96,9 +97,7 @@ _aes_crypt:
add T, AES_TABLE1, T1
add T, AES_TABLE2, T2
add T, AES_TABLE3, T3
C add T, AES_SIDX1, IDX1
C add T, AES_SIDX3, IDX3
! Read src, and add initial subkey
! Difference between ctx and src.
! NOTE: These instructions are duplicated in the delay slot,
......@@ -148,8 +147,8 @@ _aes_crypt:
C i = 0
ld [IDX1+0], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [IDX3+0], t3 ! 3
sll t1, 2, t1 ! 1
......@@ -181,8 +180,8 @@ _aes_crypt:
C i = 1
ld [IDX1+4], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [IDX3+4], t3 ! 3
sll t1, 2, t1 ! 1
......@@ -214,8 +213,8 @@ _aes_crypt:
C = 2
ld [IDX1+8], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [IDX3+8], t3 ! 3
sll t1, 2, t1 ! 1
......@@ -247,8 +246,8 @@ _aes_crypt:
C = 3
ld [IDX1+12], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [IDX3+12], t3 ! 3
sll t1, 2, t1 ! 1
......@@ -296,8 +295,8 @@ _aes_crypt:
C i = 0
ld [IDX1+0], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [wtxt+0], t0 ! 0
! IDX2(j) = j XOR 2
......@@ -336,8 +335,8 @@ _aes_crypt:
C i = 1
ld [IDX1+4], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [wtxt+4], t0 ! 0
! IDX2(j) = j XOR 2
......@@ -376,8 +375,8 @@ _aes_crypt:
C i = 2
ld [IDX1+8], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [wtxt+8], t0 ! 0
! IDX2(j) = j XOR 2
......@@ -416,8 +415,8 @@ _aes_crypt:
C i = 3
ld [IDX1+12], t1 ! 1
add wtxt, t1, t1 ! 1
ldub [t1+2], t1 ! 1
C add wtxt, t1, t1 ! 1
ldub [wtxt+t1], t1 ! 1
ld [wtxt+12], t0 ! 0
! IDX2(j) = j XOR 2
......
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