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| author | Niels Möller <nisse@lysator.liu.se> | 2002-05-15 22:39:08 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2002-05-15 22:39:08 +0200 |
| commit | f0ddc75299076fdfeace6984b93cdf95dc504e69 (patch) | |
| tree | 9b89c36e3d58827b0660e74b2b7dad004ccfe8a2 /sparc | |
| parent | 939df1ecb259ea38d3d22d87ac54978321cfa349 (diff) | |
| download | nettle-f0ddc75299076fdfeace6984b93cdf95dc504e69.tar.gz | |
* sparc/aes.asm (_aes_crypt): Unrolled final loop, preparing for
optimizations.
(_aes_crypt): Eliminated i from forst copy of the loop. Some
cleanup.
(_aes_crypt): And from second copy.
(_aes_crypt): And from third.
(_aes_crypt): And fourth.
Rev: src/nettle/sparc/aes.asm:1.90
Diffstat (limited to 'sparc')
| -rw-r--r-- | sparc/aes.asm | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/sparc/aes.asm b/sparc/aes.asm index 006cd962..2a72eaa9 100644 --- a/sparc/aes.asm +++ b/sparc/aes.asm @@ -419,20 +419,18 @@ define(i, round) stb t0, [dst] add dst, 4, dst - ld [IDX1+i], t1 ! 1 - C i = 3 - ld [IDX1+i], t1 ! 1 + ld [IDX1+12], t1 ! 1 - ! IDX2(j) = j XOR 2 xor i, 8, t2 add wtxt, t1, t1 ! 1 ldub [t1+2], t1 ! 1 ld [wtxt+i], t0 ! 0 - lduh [wtxt+t2], t2 ! 2 + ! IDX2(j) = j XOR 2 + lduh [wtxt+4], t2 ! 2 and t0, 255, t0 ! 0 - ld [IDX3 + i], t3 ! 3 + ld [IDX3 + 12], t3 ! 3 and t2, 255, t2 ! 2 ldub [T+t1], t1 ! 1 @@ -446,7 +444,7 @@ define(i, round) sll t2, 16, t2 ! 2 or t0, t2, t0 ! 0, 1, 2 - ld [key + i], t2 + ld [key + 12], t2 sll t3, 24, t3 ! 3 or t0, t3, t0 ! 0, 1, 2, 3 @@ -463,7 +461,7 @@ define(i, round) stb t0, [dst] add dst, 4, dst - ld [IDX1+i], t1 ! 1 + C ld [IDX1+i], t1 ! 1 C Unrolled final loop ends |