(_aes_crypt): Renamed more variables in the inner loop. Now the

primary variables are t0, t1, t2, t3. (t1, t2 and t3 done so far).

Rev: src/nettle/sparc/aes.asm:1.36

diff --git a/sparc/aes.asm b/sparc/aes.asm
index 26ff6af261ce10fcb04e074c8a3ea66cd3201189..919c8d7fbaf050b4703d889cf4044a331f9dec02 100644 (file)
--- a/sparc/aes.asm
+++ b/sparc/aes.asm
@@ -31,7 +31,9 @@ define(i, %l5)
 
 ! Teporaries
 define(t1, %o1)
+define(t2, %o2)
 define(t3, %o3)
+define(idx, %o4)
 
 _aes_crypt:
 ! Why -136?
@@ -105,7 +107,7 @@ _aes_crypt:
        ! This instruction copied to the delay slot of the branch here. 
        mov     0, i
 .Lround_loop:
-       add     T, AES_SIDX3, %o2
+       add     T, AES_SIDX3, idx
 .Linner_loop:
        ! The comments mark which j in T->table[j][ Bj(wtxt[IDXi(i)]) ]
        ! the instruction is a part of. 
@@ -114,23 +116,23 @@ _aes_crypt:
        ! register for that sub-expression. True for j==1,3.
        
        ! AES_SIDX1
-       ld      [%o2-32], t1            ! 1
+       ld      [idx-32], t1            ! 1
 
        ! AES_SIDX2
-       ld      [%o2-16], %o4           ! 2
+       ld      [idx-16], t2            ! 2
        ! wtxt[IDX1...]
        add     wtxt, t1, t1            ! 1
        ldub    [t1+2], t1              ! 1
 
        ! AES_SIDX3
-       ld      [%o2], t3               ! 3
+       ld      [idx], t3               ! 3
        sll     t1, 2, t1               ! 1
        
        ! wtxt[i]
        ld      [wtxt+i], %o5           ! 0
        
        ! wtxt[IDX2...]
-       lduh    [wtxt+%o4], %g3         ! 2
+       lduh    [wtxt+t2], t2           ! 2
        
        and     %o5, 255, %o5           ! 0
 
@@ -142,18 +144,18 @@ _aes_crypt:
        ld      [T+%o5], %g2            ! 0
 
        add     t1, AES_TABLE1, t1      ! 1
-       and     %g3, 255, %g3           ! 2
+       and     t2, 255, t2             ! 2
        ld      [T+t1], t1              ! 1
-       sll     %g3, 2, %g3             ! 2
-       add     %g3, AES_TABLE2, %g3    ! 2
-       ld      [T+%g3], %o0            ! 2
+       sll     t2, 2, t2               ! 2
+       add     t2, AES_TABLE2, t2      ! 2
+       ld      [T+t2], t2              ! 2
        sll     t3, 2, t3               ! 3
        add     t3, AES_TABLE3, t3      ! 3
        ld      [T+t3], t3              ! 3
        xor     %g2, t1, %g2            ! 0, 1
-       xor     %g2, %o0, %g2           ! 0, 1, 2
+       xor     %g2, t2, %g2            ! 0, 1, 2
 
-       add     %o2, 4, %o2             
+       add     idx, 4, idx             
 
 !      ! Fetch roundkey
 !      sll     round, 4, %o5