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author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-12-13 14:32:31 -0500 |
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committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-12-13 14:32:31 -0500 |
commit | 07253fcf7b03535b26c81ee216d284ed7f1e250b (patch) | |
tree | f963615b7fc32edb2ffe942ee5f5cf9b3aebee00 /sysdeps/powerpc/powerpc64/multiarch/memcmp.c | |
parent | b5beafbceec80b5a33d3383dde88196afc966e67 (diff) | |
download | glibc-07253fcf7b03535b26c81ee216d284ed7f1e250b.zip glibc-07253fcf7b03535b26c81ee216d284ed7f1e250b.tar.gz glibc-07253fcf7b03535b26c81ee216d284ed7f1e250b.tar.bz2 |
PowerPC: multirach memcmp for PowerPC64
Diffstat (limited to 'sysdeps/powerpc/powerpc64/multiarch/memcmp.c')
-rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/memcmp.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c new file mode 100644 index 0000000..b63c8e1 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c @@ -0,0 +1,39 @@ +/* Multiple versions of memcmp. PowerPC64 version. + Copyright (C) 2013 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/>. */ + +/* Define multiple versions only for definition in libc. */ +#ifndef NOT_IN_libc +# include <string.h> +# include <shlib-compat.h> +# include "init-arch.h" + +extern __typeof (memcmp) __memcmp_ppc attribute_hidden; +extern __typeof (memcmp) __memcmp_power4 attribute_hidden; +extern __typeof (memcmp) __memcmp_power7 attribute_hidden; + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +libc_ifunc (memcmp, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __memcmp_power7 : + (hwcap & PPC_FEATURE_POWER4) + ? __memcmp_power4 + : __memcmp_ppc); +#else +#include <string/memcmp.c> +#endif |