(AES_FINAL_ROUND): New macro.

(_aes_crypt): Use AES_FINAL_ROUND for the first word if the final
round.
(_aes_crypt): And for the rest of the final round.

Rev: src/nettle/sparc/aes.asm:1.99

1 files changed, 114 insertions, 111 deletions

diff --git a/sparc/aes.asm b/sparc/aes.asm
index 63cdb31c..51021a90 100644
--- a/sparc/aes.asm
+++ b/sparc/aes.asm
@@ -285,122 +285,125 @@ C 	stb	t0, [dst]
 C 	add	dst, 4, dst
 	
 	C i = 1
-	ld	[IDX1+4], t1 	! 1
-
-	ldub	[wtxt+t1], t1	! 1
-
-	ld	[wtxt+4], t0	! 0
-	! IDX2(j) = j XOR 2
-	lduh	[wtxt+12], t2	! 2
-	and	t0, 255, t0	! 0
-	ld	[IDX3 + 4], t3	! 3
-	
-	and	t2, 255, t2	! 2
-	ldub	[T+t1], t1	! 1
-	ldub	[T+t0], t0	! 0
-	sll	t1, 8, t1	! 1
-	
-	ldub	[wtxt+t3], t3	! 3
-	or	t0, t1, t0	! 0, 1
-	ldub	[T+t2], t2	! 2
-	ldub	[T+t3], t3	! 3
-	
-	sll	t2, 16, t2	! 2
-	or	t0, t2, t0	! 0, 1, 2
-	ld	[key + 4], t2
-	sll	t3, 24, t3	! 3
-	
-	or	t0, t3, t0	! 0, 1, 2, 3
-	xor	t0, t2, t0
-	
-	srl	t0, 24, t3
-	srl	t0, 16, t2
-	srl	t0, 8, t1
-	stb	t1, [dst+1]
-	
-	stb	t3, [dst+3]
-	stb	t2, [dst+2]
-	stb	t0, [dst]
-	add	dst, 4, dst
+	AES_FINAL_ROUND(4)	! i = 1
+C 	ld	[IDX1+4], t1 	! 1
+C 
+C 	ldub	[wtxt+t1], t1	! 1
+C 
+C 	ld	[wtxt+4], t0	! 0
+C 	! IDX2(j) = j XOR 2
+C 	lduh	[wtxt+12], t2	! 2
+C 	and	t0, 255, t0	! 0
+C 	ld	[IDX3 + 4], t3	! 3
+C 	
+C 	and	t2, 255, t2	! 2
+C 	ldub	[T+t1], t1	! 1
+C 	ldub	[T+t0], t0	! 0
+C 	sll	t1, 8, t1	! 1
+C 	
+C 	ldub	[wtxt+t3], t3	! 3
+C 	or	t0, t1, t0	! 0, 1
+C 	ldub	[T+t2], t2	! 2
+C 	ldub	[T+t3], t3	! 3
+C 	
+C 	sll	t2, 16, t2	! 2
+C 	or	t0, t2, t0	! 0, 1, 2
+C 	ld	[key + 4], t2
+C 	sll	t3, 24, t3	! 3
+C 	
+C 	or	t0, t3, t0	! 0, 1, 2, 3
+C 	xor	t0, t2, t0
+C 	
+C 	srl	t0, 24, t3
+C 	srl	t0, 16, t2
+C 	srl	t0, 8, t1
+C 	stb	t1, [dst+1]
+C 	
+C 	stb	t3, [dst+3]
+C 	stb	t2, [dst+2]
+C 	stb	t0, [dst]
+C 	add	dst, 4, dst
 	
 	C i = 2
-	ld	[IDX1+8], t1 	! 1
-	
-	ldub	[wtxt+t1], t1	! 1
-
-	ld	[wtxt+8], t0	! 0
-	! IDX2(j) = j XOR 2
-	lduh	[wtxt+0], t2	! 2
-	and	t0, 255, t0	! 0
-	ld	[IDX3 + 8], t3	! 3
-	
-	and	t2, 255, t2	! 2
-	ldub	[T+t1], t1	! 1
-	ldub	[T+t0], t0	! 0
-	sll	t1, 8, t1	! 1
-	
-	ldub	[wtxt+t3], t3	! 3
-	or	t0, t1, t0	! 0, 1
-	ldub	[T+t2], t2	! 2
-	ldub	[T+t3], t3	! 3
-	
-	sll	t2, 16, t2	! 2
-	or	t0, t2, t0	! 0, 1, 2
-	ld	[key + 8], t2
-	sll	t3, 24, t3	! 3
-	
-	or	t0, t3, t0	! 0, 1, 2, 3
-	xor	t0, t2, t0
-	
-	srl	t0, 24, t3
-	srl	t0, 16, t2
-	srl	t0, 8, t1
-	stb	t1, [dst+1]
-	
-	stb	t3, [dst+3]
-	stb	t2, [dst+2]
-	stb	t0, [dst]
-	add	dst, 4, dst
+	AES_FINAL_ROUND(8)	! i = 2
+C 	ld	[IDX1+8], t1 	! 1
+C 	
+C 	ldub	[wtxt+t1], t1	! 1
+C 
+C 	ld	[wtxt+8], t0	! 0
+C 	! IDX2(j) = j XOR 2
+C 	lduh	[wtxt+0], t2	! 2
+C 	and	t0, 255, t0	! 0
+C 	ld	[IDX3 + 8], t3	! 3
+C 	
+C 	and	t2, 255, t2	! 2
+C 	ldub	[T+t1], t1	! 1
+C 	ldub	[T+t0], t0	! 0
+C 	sll	t1, 8, t1	! 1
+C 	
+C 	ldub	[wtxt+t3], t3	! 3
+C 	or	t0, t1, t0	! 0, 1
+C 	ldub	[T+t2], t2	! 2
+C 	ldub	[T+t3], t3	! 3
+C 	
+C 	sll	t2, 16, t2	! 2
+C 	or	t0, t2, t0	! 0, 1, 2
+C 	ld	[key + 8], t2
+C 	sll	t3, 24, t3	! 3
+C 	
+C 	or	t0, t3, t0	! 0, 1, 2, 3
+C 	xor	t0, t2, t0
+C 	
+C 	srl	t0, 24, t3
+C 	srl	t0, 16, t2
+C 	srl	t0, 8, t1
+C 	stb	t1, [dst+1]
+C 	
+C 	stb	t3, [dst+3]
+C 	stb	t2, [dst+2]
+C 	stb	t0, [dst]
+C 	add	dst, 4, dst
 	
 	C i = 3
-	ld	[IDX1+12], t1 	! 1
-
-	ldub	[wtxt+t1], t1	! 1
+	AES_FINAL_ROUND(12)	! i = 3
+C 	ld	[IDX1+12], t1 	! 1
+C 
+C 	ldub	[wtxt+t1], t1	! 1
+C 
+C 	ld	[wtxt+12], t0	! 0
+C 	! IDX2(j) = j XOR 2
+C 	lduh	[wtxt+4], t2	! 2
+C 	and	t0, 255, t0	! 0
+C 	ld	[IDX3 + 12], t3	! 3
+C 	
+C 	and	t2, 255, t2	! 2
+C 	ldub	[T+t1], t1	! 1
+C 	ldub	[T+t0], t0	! 0
+C 	sll	t1, 8, t1	! 1
+C 	
+C 	ldub	[wtxt+t3], t3	! 3
+C 	or	t0, t1, t0	! 0, 1
+C 	ldub	[T+t2], t2	! 2
+C 	ldub	[T+t3], t3	! 3
+C 	
+C 	sll	t2, 16, t2	! 2
+C 	or	t0, t2, t0	! 0, 1, 2
+C 	ld	[key + 12], t2
+C 	sll	t3, 24, t3	! 3
+C 	
+C 	or	t0, t3, t0	! 0, 1, 2, 3
+C 	xor	t0, t2, t0
+C 	
+C 	srl	t0, 24, t3
+C 	srl	t0, 16, t2
+C 	srl	t0, 8, t1
+C 	stb	t1, [dst+1]
+C 	
+C 	stb	t3, [dst+3]
+C 	stb	t2, [dst+2]
+C 	stb	t0, [dst]
+C 	add	dst, 4, dst
 
-	ld	[wtxt+12], t0	! 0
-	! IDX2(j) = j XOR 2
-	lduh	[wtxt+4], t2	! 2
-	and	t0, 255, t0	! 0
-	ld	[IDX3 + 12], t3	! 3
-	
-	and	t2, 255, t2	! 2
-	ldub	[T+t1], t1	! 1
-	ldub	[T+t0], t0	! 0
-	sll	t1, 8, t1	! 1
-	
-	ldub	[wtxt+t3], t3	! 3
-	or	t0, t1, t0	! 0, 1
-	ldub	[T+t2], t2	! 2
-	ldub	[T+t3], t3	! 3
-	
-	sll	t2, 16, t2	! 2
-	or	t0, t2, t0	! 0, 1, 2
-	ld	[key + 12], t2
-	sll	t3, 24, t3	! 3
-	
-	or	t0, t3, t0	! 0, 1, 2, 3
-	xor	t0, t2, t0
-	
-	srl	t0, 24, t3
-	srl	t0, 16, t2
-	srl	t0, 8, t1
-	stb	t1, [dst+1]
-	
-	stb	t3, [dst+3]
-	stb	t2, [dst+2]
-	stb	t0, [dst]
-	add	dst, 4, dst
-	
 	C Unrolled final loop ends
 	
 	addcc	length, -16, length