diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | string/memchr.c | 6 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c | 8 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/memchr-power7.S | 40 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/memchr-ppc32.c | 34 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c | 38 |
7 files changed, 140 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 4305f27aeb..8acbeec061 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,18 @@ 2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + * string/memchr.c (__memchr): Using macro to redefine symbol name. + * sysdeps/powerpc/powerpc32/power4/multiarch/memchr-power7.S: New + file. + * sysdeps/powerpc/powerpc32/power4/multiarch/memchr-ppc32.c: New File. + * sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c: New file: + multiarch memchr for PPC32. + * sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Add memchr + multiarch objects. + * sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c + (__libc_ifunc_impl_list): Likewise. + +2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + * string/mempcpy.c (__mempcpy): Using macro to redefine symbol name. * sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-power7.S: New file. diff --git a/string/memchr.c b/string/memchr.c index 2427c4b4b6..7a09de8932 100644 --- a/string/memchr.c +++ b/string/memchr.c @@ -51,9 +51,13 @@ #undef memchr #undef __memchr +#ifndef MEMCHR +# define MEMCHR __memchr +#endif + /* Search no more than N bytes of S for C. */ __ptr_t -__memchr (s, c_in, n) +MEMCHR (s, c_in, n) const __ptr_t s; int c_in; size_t n; diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile index ba88f0f455..31466a0f43 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile @@ -2,5 +2,6 @@ ifeq ($(subdir),string) sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ memcpy-ppc32 memcmp-power7 memcmp-ppc32 memset-power7 \ memset-power6 memset-ppc32 bzero-power7 bzero-power6 \ - bzero-ppc32 mempcpy-power7 mempcpy-ppc32 + bzero-ppc32 mempcpy-power7 mempcpy-ppc32 memchr-power7 \ + memchr-ppc32 endif diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c index da5f244de1..33ac710a98 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c @@ -91,5 +91,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ppc)) + /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c. */ + IFUNC_IMPL (i, name, memchr, + IFUNC_IMPL_ADD (array, i, memchr, + hwcap & PPC_FEATURE_HAS_VSX, + __memchr_power7) + IFUNC_IMPL_ADD (array, i, memchr, 1, + __memchr_ppc)) + return i; } diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memchr-power7.S b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr-power7.S new file mode 100644 index 0000000000..a8a077d076 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr-power7.S @@ -0,0 +1,40 @@ +/* Optimized memchr implementation for PowerPC32/POWER7 using cmpb insn. + Copyright (C) 2010-2013 Free Software Foundation, Inc. + Contributed by Luis Machado <luisgpm@br.ibm.com>. + 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) \ + .globl C_SYMBOL_NAME(__memchr_power7); \ + .type C_SYMBOL_NAME(__memchr_power7),@function; \ + C_LABEL(__memchr_power7) \ + cfi_startproc; + +#undef END +#define END(name) \ + cfi_endproc; \ + ASM_SIZE_DIRECTIVE(__memchr_power7) + +#undef weak_alias +#define weak_alias(name, alias) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include <sysdeps/powerpc/powerpc32/power7/memchr.S> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memchr-ppc32.c b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr-ppc32.c new file mode 100644 index 0000000000..8f11ea815f --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr-ppc32.c @@ -0,0 +1,34 @@ +/* PowerPC32 default implementation of memchr. + 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 <string.h> + +#define MEMCHR __memchr_ppc + +#undef weak_alias +#define weak_alias(a, b) + +#ifdef SHARED +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) \ + __hidden_ver1 (__memchr_ppc, __GI_memchr, __memchr_ppc); +#endif + +extern __typeof (memchr) __memchr_ppc attribute_hidden; + +#include <string/memchr.c> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c new file mode 100644 index 0000000000..a4237f3967 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memchr.c @@ -0,0 +1,38 @@ +/* Multiple versions of memchr. + 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 (__memchr) __memchr_ppc attribute_hidden; +extern __typeof (__memchr) __memchr_power7 attribute_hidden; + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +libc_ifunc (__memchr, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __memchr_power7 + : __memchr_ppc); + +weak_alias (__memchr, memchr) +libc_hidden_builtin_def (memchr) +#else +#include <string/memchr.c> +#endif |