(_aes_crypt): Eliminated the loop variable i from the unrolled

loop.

Rev: src/nettle/sparc/aes.asm:1.83

diff --git a/sparc/aes.asm b/sparc/aes.asm
index 7c838bd4c03065e1fbe9949d31810c75ade92316..c57cb2b8f110e9bcb524cbdaf2bad9cd3ecd604a 100644 (file)
--- a/sparc/aes.asm
+++ b/sparc/aes.asm
@@ -136,8 +136,8 @@ _aes_crypt:
        nop
        ! 4*i
        ! NOTE: Instruction duplicated in delay slot
-       mov     0, i
-.Linner_loop:
+       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. 
        !
@@ -178,7 +178,7 @@ _aes_crypt:
        xor     t0, t3, t0              ! 0, 1, 2, 3
        xor     t0, t1, t0
        st      t0, [tmp]
-       add     i, 4, i
+       C add   i, 4, i
 
        C i = 1
        ld      [IDX1+4], t1            ! 1
@@ -214,7 +214,7 @@ _aes_crypt:
        xor     t0, t3, t0              ! 0, 1, 2, 3
        xor     t0, t1, t0
        st      t0, [tmp+4]
-       add     i, 4, i
+       C add   i, 4, i
 
        C = 2
        ld      [IDX1+8], t1            ! 1
@@ -250,7 +250,7 @@ _aes_crypt:
        xor     t0, t3, t0              ! 0, 1, 2, 3
        xor     t0, t1, t0
        st      t0, [tmp+8]
-       add     i, 4, i
+       C add   i, 4, i
 
        C = 3
        ld      [IDX1+12], t1           ! 1
@@ -286,9 +286,9 @@ _aes_crypt:
        xor     t0, t3, t0              ! 0, 1, 2, 3
        xor     t0, t1, t0
        st      t0, [tmp+12]
-       add     i, 4, i
+       C add   i, 4, i
                        
-       C End loop
+       C End of unrolled loop
        
        ! switch roles for tmp and wtxt
        xor     wtxt, diff, wtxt
@@ -296,8 +296,9 @@ _aes_crypt:
 
        subcc   round, 1, round
        add     key, 16, key
-       bne     .Linner_loop
-       mov     0, i
+       bne     .Lround_loop
+       nop
+       C mov   0, i
 
        ! final round
        ! Use round as the loop variable, as it's already zero