Commit d2be6c85 authored by Niels Möller's avatar Niels Möller
Browse files

Avoid using %g6 and %g7, as they are reserved for

operating sytem use. Use %i5 and %o7 instead. Also moved %g4 to %g1.

Rev: src/nettle/sparc/aes.asm:1.70
parent 8823a125
......@@ -22,9 +22,9 @@
! (see gcc/config/sparc.h). We should probably use only %g1-%g3 to be safe.
! Used registers: %l0,1,2,3,4,5,6,7
! %i0,1,2,3,4 (%i6=%fp, %i7 = return)
! %o0,1,2,3 (%o6=%sp)
! %g2,3,4,5,6,7
! %i0,1,2,3,4,5 (%i6=%fp, %i7 = return)
! %o0,1,2,3,4,5,7 (%o6=%sp)
! %g1,2,3,5
.file "aes.asm"
......@@ -50,13 +50,13 @@ define(nrounds, %l3)
! Loop variables
define(round, %l4)
define(i, %l5)
define(key, %g7)
define(key, %o4)
! Further loop invariants
define(T0, %l6)
define(T1, %l7)
define(T2, %g5)
define(T3, %g6)
define(T3, %o7)
define(IDX1, %i5)
define(IDX3, %o5)
......@@ -98,7 +98,7 @@ _aes_crypt:
! For stop condition. Note that src is incremented in the
! delay slot
add src, 8, %g4
add src, 8, %g1
ldub [src+3], t3
......@@ -117,7 +117,7 @@ _aes_crypt:
or t3, t0, t3
xor t3, t2, t3
cmp src, %g4
cmp src, %g1
st t3, [src+%g3]
bleu .Lsource_loop
add src, 4, src
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