1/* Checking memset for x86-64.
2   Copyright (C) 2004-2022 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, see
17   <https://www.gnu.org/licenses/>.  */
18
19#include <sysdep.h>
20#include "asm-syntax.h"
21
22#ifndef SHARED
23	/* For libc.so this is defined in memset.S.
24	   For libc.a, this is a separate source to avoid
25	   memset bringing in __chk_fail and all routines
26	   it calls.  */
27        .text
28ENTRY (__memset_chk)
29	cmpq	%rdx, %rcx
30	jb	__chk_fail
31	jmp	memset
32END (__memset_chk)
33#endif
34