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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Sparc64 optimized strncmp code.
- *
- * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
- #include <linux/linkage.h>
- #include <asm/asi.h>
- #include <asm/export.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)
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