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1/* memset variant information on S/390 version.
2 Copyright (C) 2018-2022 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#if defined USE_MULTIARCH && IS_IN (libc) \
20 && ! defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
21# define HAVE_MEMSET_IFUNC 1
22#else
23# define HAVE_MEMSET_IFUNC 0
24#endif
25
26#if defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
27# define MEMSET_DEFAULT MEMSET_Z196
28# define BZERO_DEFAULT BZERO_Z196
29# define HAVE_MEMSET_Z900_G5 0
30# define HAVE_MEMSET_Z10 0
31# define HAVE_MEMSET_Z196 1
32#elif defined HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT
33# define MEMSET_DEFAULT MEMSET_Z10
34# define BZERO_DEFAULT BZERO_Z10
35# define HAVE_MEMSET_Z900_G5 0
36# define HAVE_MEMSET_Z10 1
37# define HAVE_MEMSET_Z196 HAVE_MEMSET_IFUNC
38#else
39# define MEMSET_DEFAULT MEMSET_Z900_G5
40# define BZERO_DEFAULT BZERO_Z900_G5
41# define HAVE_MEMSET_Z900_G5 1
42# define HAVE_MEMSET_Z10 HAVE_MEMSET_IFUNC
43# define HAVE_MEMSET_Z196 HAVE_MEMSET_IFUNC
44#endif
45
46#if HAVE_MEMSET_Z10 || HAVE_MEMSET_Z196
47# define HAVE_MEMSET_MVCLE 1
48#else
49# define HAVE_MEMSET_MVCLE 0
50#endif
51
52#if HAVE_MEMSET_Z900_G5
53# define MEMSET_Z900_G5 __memset_default
54# define BZERO_Z900_G5 __bzero_default
55#else
56# define MEMSET_Z900_G5 NULL
57# define BZERO_Z900_G5 NULL
58#endif
59
60#if HAVE_MEMSET_Z10
61# define MEMSET_Z10 __memset_z10
62# define BZERO_Z10 __bzero_z10
63#else
64# define MEMSET_Z10 NULL
65# define BZERO_Z10 NULL
66#endif
67
68#if HAVE_MEMSET_Z196
69# define MEMSET_Z196 __memset_z196
70# define BZERO_Z196 __bzero_z196
71#else
72# define MEMSET_Z196 NULL
73# define BZERO_Z196 NULL
74#endif
75

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source code of glibc/sysdeps/s390/ifunc-memset.h