diff options
Diffstat (limited to 'arch/sparc64/lib/strncmp.S')
| -rw-r--r-- | arch/sparc64/lib/strncmp.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/sparc64/lib/strncmp.S b/arch/sparc64/lib/strncmp.S new file mode 100644 index 000000000..474ba7296 --- /dev/null +++ b/arch/sparc64/lib/strncmp.S @@ -0,0 +1,31 @@ +/* $Id: strncmp.S,v 1.2 1997/03/11 17:51:44 jj Exp $ + * Sparc64 optimized strncmp code. + * + * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include <asm/asi.h> + + .text + .align 4 + .global __strncmp, strncmp +__strncmp: +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 |