1 /* memcpy variant information on S/390 version.
2    Copyright (C) 2018-2021 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 #if defined SHARED && defined USE_MULTIARCH && IS_IN (libc)	\
20   && ! defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
21 # define HAVE_MEMCPY_IFUNC	1
22 #else
23 # define HAVE_MEMCPY_IFUNC	0
24 #endif
25 
26 #if defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
27 # define MEMCPY_DEFAULT		MEMCPY_Z196
28 # define MEMPCPY_DEFAULT	MEMPCPY_Z196
29 # define HAVE_MEMCPY_Z900_G5	0
30 # define HAVE_MEMCPY_Z10	0
31 # define HAVE_MEMCPY_Z196	1
32 #elif defined HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT
33 # define MEMCPY_DEFAULT		MEMCPY_Z10
34 # define MEMPCPY_DEFAULT	MEMPCPY_Z10
35 # define HAVE_MEMCPY_Z900_G5	0
36 # define HAVE_MEMCPY_Z10	1
37 # define HAVE_MEMCPY_Z196	HAVE_MEMCPY_IFUNC
38 #else
39 # define MEMCPY_DEFAULT		MEMCPY_Z900_G5
40 # define MEMPCPY_DEFAULT	MEMPCPY_Z900_G5
41 # define HAVE_MEMCPY_Z900_G5	1
42 # define HAVE_MEMCPY_Z10	HAVE_MEMCPY_IFUNC
43 # define HAVE_MEMCPY_Z196	HAVE_MEMCPY_IFUNC
44 #endif
45 
46 #if defined SHARED && defined USE_MULTIARCH && IS_IN (libc)	\
47   && ! defined HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
48 # define HAVE_MEMMOVE_IFUNC	1
49 #else
50 # define HAVE_MEMMOVE_IFUNC	0
51 #endif
52 
53 #ifdef HAVE_S390_VX_ASM_SUPPORT
54 # define HAVE_MEMMOVE_IFUNC_AND_VX_SUPPORT HAVE_MEMMOVE_IFUNC
55 #else
56 # define HAVE_MEMMOVE_IFUNC_AND_VX_SUPPORT 0
57 #endif
58 
59 #ifdef HAVE_S390_ARCH13_ASM_SUPPORT
60 # define HAVE_MEMMOVE_IFUNC_AND_ARCH13_SUPPORT HAVE_MEMMOVE_IFUNC
61 #else
62 # define HAVE_MEMMOVE_IFUNC_AND_ARCH13_SUPPORT 0
63 #endif
64 
65 #if defined HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
66 # define MEMMOVE_DEFAULT	MEMMOVE_ARCH13
67 # define HAVE_MEMMOVE_C		0
68 # define HAVE_MEMMOVE_Z13	0
69 # define HAVE_MEMMOVE_ARCH13	1
70 #elif defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
71 # define MEMMOVE_DEFAULT	MEMMOVE_Z13
72 # define HAVE_MEMMOVE_C		0
73 # define HAVE_MEMMOVE_Z13	1
74 # define HAVE_MEMMOVE_ARCH13	HAVE_MEMMOVE_IFUNC_AND_ARCH13_SUPPORT
75 #else
76 # define MEMMOVE_DEFAULT	MEMMOVE_C
77 # define HAVE_MEMMOVE_C		1
78 # define HAVE_MEMMOVE_Z13	HAVE_MEMMOVE_IFUNC_AND_VX_SUPPORT
79 # define HAVE_MEMMOVE_ARCH13	HAVE_MEMMOVE_IFUNC_AND_ARCH13_SUPPORT
80 #endif
81 
82 #if HAVE_MEMCPY_Z900_G5
83 # define MEMCPY_Z900_G5		__memcpy_default
84 # define MEMPCPY_Z900_G5	__mempcpy_default
85 #else
86 # define MEMCPY_Z900_G5		NULL
87 # define MEMPCPY_Z900_G5	NULL
88 #endif
89 
90 #if HAVE_MEMCPY_Z10
91 # define MEMCPY_Z10		__memcpy_z10
92 # define MEMPCPY_Z10		__mempcpy_z10
93 #else
94 # define MEMCPY_Z10		NULL
95 # define MEMPCPY_Z10		NULL
96 #endif
97 
98 #if HAVE_MEMCPY_Z196
99 # define MEMCPY_Z196		__memcpy_z196
100 # define MEMPCPY_Z196		__mempcpy_z196
101 #else
102 # define MEMCPY_Z196		NULL
103 # define MEMPCPY_Z196		NULL
104 #endif
105 
106 #if HAVE_MEMMOVE_C
107 # define MEMMOVE_C		__memmove_c
108 #else
109 # define MEMMOVE_C		NULL
110 #endif
111 
112 #if HAVE_MEMMOVE_Z13
113 # define MEMMOVE_Z13		__memmove_z13
114 #else
115 # define MEMMOVE_Z13		NULL
116 #endif
117 
118 #if HAVE_MEMMOVE_ARCH13
119 # define MEMMOVE_ARCH13		__memmove_arch13
120 #else
121 # define MEMMOVE_ARCH13		NULL
122 #endif
123