1 /* Multiple versions of __memset_chk
2 Copyright (C) 2010 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <init-arch.h>
23 /* Define multiple versions only for the definition in lib. */
27 .type __memset_chk, @gnu_indirect_function
28 cmpl $0, __cpu_features+KIND_OFFSET(%rip)
30 call __init_cpu_features
31 1: leaq __memset_chk_x86_64(%rip), %rax
32 testl $bit_Prefer_SSE_for_memop, __cpu_features+FEATURE_OFFSET+index_Prefer_SSE_for_memop(%rip)
34 leaq __memset_chk_sse2(%rip), %rax
38 strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
39 .section .gnu.warning.__memset_zero_constant_len_parameter
40 .string "memset used with constant zero length parameter; this could be due to transposed parameters"
42 # include "../memset_chk.S"