sysdeps/s390/ifunc-memcpy.h

   1 /* memcpy variant information on S/390 version.
   2    Copyright (C) 2018 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    <http://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_Z13_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 #if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
  60 # define MEMMOVE_DEFAULT        MEMMOVE_Z13
  61 # define HAVE_MEMMOVE_C         0
  62 # define HAVE_MEMMOVE_Z13       1
  63 #else
  64 # define MEMMOVE_DEFAULT        MEMMOVE_C
  65 # define HAVE_MEMMOVE_C         1
  66 # define HAVE_MEMMOVE_Z13       HAVE_MEMMOVE_IFUNC_AND_VX_SUPPORT
  67 #endif
  68
  69 #if HAVE_MEMCPY_Z900_G5
  70 # define MEMCPY_Z900_G5         __memcpy_default
  71 # define MEMPCPY_Z900_G5        __mempcpy_default
  72 #else
  73 # define MEMCPY_Z900_G5         NULL
  74 # define MEMPCPY_Z900_G5        NULL
  75 #endif
  76
  77 #if HAVE_MEMCPY_Z10
  78 # define MEMCPY_Z10             __memcpy_z10
  79 # define MEMPCPY_Z10            __mempcpy_z10
  80 #else
  81 # define MEMCPY_Z10             NULL
  82 # define MEMPCPY_Z10            NULL
  83 #endif
  84
  85 #if HAVE_MEMCPY_Z196
  86 # define MEMCPY_Z196            __memcpy_z196
  87 # define MEMPCPY_Z196           __mempcpy_z196
  88 #else
  89 # define MEMCPY_Z196            NULL
  90 # define MEMPCPY_Z196           NULL
  91 #endif
  92
  93 #if HAVE_MEMMOVE_C
  94 # define MEMMOVE_C              __memmove_c
  95 #else
  96 # define MEMMOVE_C              NULL
  97 #endif
  98
  99 #if HAVE_MEMMOVE_Z13
 100 # define MEMMOVE_Z13            __memmove_z13
 101 #else
 102 # define MEMMOVE_Z13            NULL
 103 #endif