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33 lines
527 B
33 lines
527 B
20 years ago
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/* $Id: strncmp.S,v 1.2 1997/03/11 17:51:44 jj Exp $
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* Sparc64 optimized strncmp code.
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*
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* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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*/
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#include <asm/asi.h>
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.text
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.align 32
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.globl strncmp
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.type strncmp,#function
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strncmp:
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brlez,pn %o2, 3f
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lduba [%o0] (ASI_PNF), %o3
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1:
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add %o0, 1, %o0
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ldub [%o1], %o4
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brz,pn %o3, 2f
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add %o1, 1, %o1
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cmp %o3, %o4
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bne,pn %icc, 2f
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subcc %o2, 1, %o2
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bne,a,pt %xcc, 1b
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ldub [%o0], %o3
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2:
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retl
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sub %o3, %o4, %o0
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3:
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retl
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clr %o0
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.size strncmp, .-strncmp
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