diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 8 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/memrchr-power7.S | 41 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/memrchr-ppc64.c | 19 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/multiarch/memrchr.c | 37 |
5 files changed, 107 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index 13de9fea23..cc76380f8d 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -3,5 +3,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ memcpy-power4 memcpy-ppc64 memcmp-power7 memcmp-power4 \ memcmp-ppc64 memset-power7 memset-power6 memset-power4 \ memset-ppc64 bzero-power4 bzero-power6 bzero-power7 \ - mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64 + mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64 \ + memrchr-power7 memrchr-ppc64 endif diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index 3a16bb1db3..6e4fcffa8a 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -106,5 +106,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_IMPL_ADD (array, i, memchr, 1, __memchr_ppc)) + /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c. */ + IFUNC_IMPL (i, name, memrchr, + IFUNC_IMPL_ADD (array, i, memrchr, + hwcap & PPC_FEATURE_HAS_VSX, + __memrchr_power7) + IFUNC_IMPL_ADD (array, i, memrchr, 1, + __memrchr_ppc)) + return i; } diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr-power7.S b/sysdeps/powerpc/powerpc64/multiarch/memrchr-power7.S new file mode 100644 index 0000000000..a6f825c0f1 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr-power7.S @@ -0,0 +1,41 @@ +/* Optimized memrchr implementation for PowerPC64/POWER7. + 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/>. */ + +#include <sysdep.h> + +#undef ENTRY +#define ENTRY(name) \ + .section ".text"; \ + ENTRY_2(__memrchr_power7) \ + .align ALIGNARG(2); \ + BODY_LABEL(__memrchr_power7): \ + cfi_startproc; \ + LOCALENTRY(__memrchr_power7) + +#undef END +#define END(name) \ + cfi_endproc; \ + TRACEBACK(__memrchr_power7) \ + END_2(__memrchr_power7) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) +#undef weak_alias +#define weak_alias(name,alias) + +#include <sysdeps/powerpc/powerpc64/power7/memrchr.S> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr-ppc64.c b/sysdeps/powerpc/powerpc64/multiarch/memrchr-ppc64.c new file mode 100644 index 0000000000..8c291e6cfb --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr-ppc64.c @@ -0,0 +1,19 @@ +/* PowerPC64 default implementation of memrchr. + 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/>. */ + +#include <sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-ppc32.c> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c new file mode 100644 index 0000000000..cc362bac28 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c @@ -0,0 +1,37 @@ +/* Multiple versions of memrchr. + 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/>. */ + +#ifndef NOT_IN_libc +# include <string.h> +# include <shlib-compat.h> +# include "init-arch.h" + +extern __typeof (__memrchr) __memrchr_ppc attribute_hidden; +extern __typeof (__memrchr) __memrchr_power7 attribute_hidden; + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +libc_ifunc (__memrchr, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __memrchr_power7 + : __memrchr_ppc); + +weak_alias (__memrchr, memrchr) +#else +#include <string/memrchr.c> +#endif |