From fea9ee6ee458e589b23ef5b62b572ceddc063960 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= Date: Thu, 16 May 2002 01:32:32 +0200 Subject: Work in progress, source loop unrolling. Rev: src/nettle/sparc/aes.asm:1.115 --- sparc/aes.asm | 82 ++++++++++++++++++++++++++++++----------------------------- 1 file changed, 42 insertions(+), 40 deletions(-) (limited to 'sparc') diff --git a/sparc/aes.asm b/sparc/aes.asm index cb63816e..347cac3f 100644 --- a/sparc/aes.asm +++ b/sparc/aes.asm @@ -277,47 +277,49 @@ C .Lsource_loop: C 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 - - ! 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 bleu .Lsource_loop - add src, 4, src + AES_LOAD(8) + C ldub [src+3], t3 + C ldub [src+2], t2 + C sll t3, 24, t3 + C ldub [src+1], t1 + C + C sll t2, 16, t2 + C or t3, t2, t3 + C ldub [src], t0 + C sll t1, 8, t1 + C + C ! Get subkey + C ld [src+%g2], t2 + C or t3, t1, t3 + C or t3, t0, t3 + C xor t3, t2, t3 + C + C C cmp src, %g1 + C st t3, [src+%g3] + C C bleu .Lsource_loop + C add src, 4, src C i = 3 - 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 bleu .Lsource_loop - add src, 4, src + AES_LOAD(12) + C ldub [src+3], t3 + C ldub [src+2], t2 + C sll t3, 24, t3 + C ldub [src+1], t1 + C + C sll t2, 16, t2 + C or t3, t2, t3 + C ldub [src], t0 + C sll t1, 8, t1 + C + C ! Get subkey + C ld [src+%g2], t2 + C or t3, t1, t3 + C or t3, t0, t3 + C xor t3, t2, t3 + C + C C cmp src, %g1 + C st t3, [src+%g3] + C C bleu .Lsource_loop + C add src, 4, src C End loop -- cgit v1.2.1