From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/arch/sparc/lib/memcmp.S | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 ANDROID_3.4.5/arch/sparc/lib/memcmp.S (limited to 'ANDROID_3.4.5/arch/sparc/lib/memcmp.S') 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 +#include + + .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) -- cgit