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/* $Id: memcmp.S,v 1.3 2000/03/23 07:51:08 davem Exp $
* Sparc64 optimized memcmp code.
*
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 2000 David S. Miller (davem@redhat.com)
*/
.text
.align 32
.globl __memcmp, memcmp
__memcmp:
memcmp:
cmp %o2, 0 ! IEU1 Group
loop: be,pn %icc, ret_0 ! CTI
nop ! IEU0
ldub [%o0], %g7 ! LSU Group
ldub [%o1], %g3 ! LSU Group
sub %o2, 1, %o2 ! IEU0
add %o0, 1, %o0 ! IEU1
add %o1, 1, %o1 ! IEU0 Group
subcc %g7, %g3, %g3 ! IEU1 Group
be,pt %icc, loop ! CTI
cmp %o2, 0 ! IEU1 Group
ret_n0: retl
mov %g3, %o0
ret_0: retl
mov 0, %o0
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