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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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