/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Sparc64 optimized strncmp code.
 *
 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 */

#include <linux/export.h>
#include <linux/linkage.h>
#include <asm/asi.h>

        .text
ENTRY(strncmp)
        brlez,pn %o2, 3f
         lduba  [%o0] (ASI_PNF), %o3
1:
        add     %o0, 1, %o0
        ldub    [%o1], %o4
        brz,pn  %o3, 2f
         add    %o1, 1, %o1
        cmp     %o3, %o4
        bne,pn  %icc, 2f
         subcc  %o2, 1, %o2
        bne,a,pt %xcc, 1b
         ldub   [%o0], %o3
2:
        retl
         sub    %o3, %o4, %o0
3:
        retl
         clr    %o0
ENDPROC(strncmp)
EXPORT_SYMBOL(strncmp)