/* Search a character in a block of memory.  For IBM S390   Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.   This file is part of the GNU C Library.   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  *//* * R2 = address to memory area * R3 = character to find * R4 = number of bytes to search */#include "sysdep.h"#include "asm-syntax.h"	.textENTRY(memchr)	lhi   %r0,0xff	nr    %r0,%r3	lr    %r1,%r2	la    %r2,0(%r4,%r1)0:      srst  %r2,%r1	jo    0b	brc   13,1f	slr   %r2,%r21:      br    %r14END(memchr)libc_hidden_builtin_def (memchr)