diff options
| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/sparc/lib/memcmp.S | |
| download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip | |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/lib/memcmp.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/sparc/lib/memcmp.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/lib/memcmp.S b/ANDROID_3.4.5/arch/sparc/lib/memcmp.S new file mode 100644 index 00000000..efa106c4 --- /dev/null +++ b/ANDROID_3.4.5/arch/sparc/lib/memcmp.S @@ -0,0 +1,27 @@ +/* Sparc optimized memcmp code. + * + * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net) + */ + +#include <linux/linkage.h> +#include <asm/asm.h> + + .text +ENTRY(memcmp) + cmp %o2, 0 +1: BRANCH32(be, pn, 2f) + nop + ldub [%o0], %g7 + ldub [%o1], %g3 + sub %o2, 1, %o2 + add %o0, 1, %o0 + add %o1, 1, %o1 + subcc %g7, %g3, %g3 + BRANCH32(be, pt, 1b) + cmp %o2, 0 + retl + mov %g3, %o0 +2: retl + mov 0, %o0 +ENDPROC(memcmp) |