1 /* Multiple versions of bzero. PowerPC64 version.
2    Copyright (C) 2013-2021 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 /* Define multiple versions only for definition in libc.  */
20 #if IS_IN (libc)
21 # include <string.h>
22 # include <strings.h>
23 # include "init-arch.h"
24 
25 extern __typeof (bzero) __bzero_ppc attribute_hidden;
26 extern __typeof (bzero) __bzero_power4 attribute_hidden;
27 extern __typeof (bzero) __bzero_power6 attribute_hidden;
28 extern __typeof (bzero) __bzero_power7 attribute_hidden;
29 extern __typeof (bzero) __bzero_power8 attribute_hidden;
30 # ifdef __LITTLE_ENDIAN__
31 extern __typeof (bzero) __bzero_power10 attribute_hidden;
32 # endif
33 
34 libc_ifunc (__bzero,
35 # ifdef __LITTLE_ENDIAN__
36 	    (hwcap2 & PPC_FEATURE2_ARCH_3_1
37 	     && hwcap2 & PPC_FEATURE2_HAS_ISEL
38 	     && hwcap & PPC_FEATURE_HAS_VSX)
39 	    ? __bzero_power10 :
40 # endif
41 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
42 	     && hwcap & PPC_FEATURE_HAS_ALTIVEC)
43             ? __bzero_power8 :
44 	      (hwcap & PPC_FEATURE_HAS_VSX)
45 	      ? __bzero_power7 :
46 		(hwcap & PPC_FEATURE_ARCH_2_05
47 		 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
48 		? __bzero_power6 :
49 		  (hwcap & PPC_FEATURE_POWER4)
50 		  ? __bzero_power4
51             : __bzero_ppc);
52 
53 weak_alias (__bzero, bzero)
54 #endif
55