diff options
Diffstat (limited to 'sysdeps/s390/ifunc-memcmp.h')
| -rw-r--r-- | sysdeps/s390/ifunc-memcmp.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/s390/ifunc-memcmp.h b/sysdeps/s390/ifunc-memcmp.h new file mode 100644 index 0000000000..536ac455d1 --- /dev/null +++ b/sysdeps/s390/ifunc-memcmp.h @@ -0,0 +1,59 @@ +/* memcmp variant information on S/390 version. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#if defined USE_MULTIARCH && IS_IN (libc) \ + && ! defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT +# define HAVE_MEMCMP_IFUNC 1 +#else +# define HAVE_MEMCMP_IFUNC 0 +#endif + +#if defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT +# define MEMCMP_DEFAULT MEMCMP_Z196 +# define HAVE_MEMCMP_Z900_G5 0 +# define HAVE_MEMCMP_Z10 0 +# define HAVE_MEMCMP_Z196 1 +#elif defined HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT +# define MEMCMP_DEFAULT MEMCMP_Z10 +# define HAVE_MEMCMP_Z900_G5 0 +# define HAVE_MEMCMP_Z10 1 +# define HAVE_MEMCMP_Z196 HAVE_MEMCMP_IFUNC +#else +# define MEMCMP_DEFAULT MEMCMP_Z900_G5 +# define HAVE_MEMCMP_Z900_G5 1 +# define HAVE_MEMCMP_Z10 HAVE_MEMCMP_IFUNC +# define HAVE_MEMCMP_Z196 HAVE_MEMCMP_IFUNC +#endif + +#if HAVE_MEMCMP_Z900_G5 +# define MEMCMP_Z900_G5 __memcmp_default +#else +# define MEMCMP_Z900_G5 NULL +#endif + +#if HAVE_MEMCMP_Z10 +# define MEMCMP_Z10 __memcmp_z10 +#else +# define MEMCMP_Z10 NULL +#endif + +#if HAVE_MEMCMP_Z196 +# define MEMCMP_Z196 __memcmp_z196 +#else +# define MEMCMP_Z196 NULL +#endif |