diff options
Diffstat (limited to 'arch/sparc/lib/strncmp_64.S')
| -rw-r--r-- | arch/sparc/lib/strncmp_64.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/sparc/lib/strncmp_64.S b/arch/sparc/lib/strncmp_64.S new file mode 100644 index 000000000..76c1207ec --- /dev/null +++ b/arch/sparc/lib/strncmp_64.S @@ -0,0 +1,33 @@ +/* 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) |