diff options
Diffstat (limited to 'sysdeps')
5 files changed, 114 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile index 077bbf8d1d..ba88f0f455 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile @@ -2,5 +2,5 @@ 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 + bzero-ppc32 mempcpy-power7 mempcpy-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 55a8811bf7..da5f244de1 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c @@ -83,5 +83,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __memcmp_power7) IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc)) + /* Support sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c. */ + IFUNC_IMPL (i, name, mempcpy, + IFUNC_IMPL_ADD (array, i, mempcpy, + hwcap & PPC_FEATURE_HAS_VSX, + __mempcpy_power7) + IFUNC_IMPL_ADD (array, i, mempcpy, 1, + __mempcpy_ppc)) + return i; } diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-power7.S b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-power7.S new file mode 100644 index 0000000000..355726b512 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-power7.S @@ -0,0 +1,35 @@ +/* Optimized mempcpy implementation for 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 EALIGN +#define EALIGN(name, alignt, words) \ + .globl C_SYMBOL_NAME(__mempcpy_power7); \ + .type C_SYMBOL_NAME(__mempcpy_power7),@function; \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + C_LABEL(__mempcpy_power7) \ + cfi_startproc; + +#undef END +#define END(name) \ + cfi_endproc; \ + ASM_SIZE_DIRECTIVE(__mempcpy_power7) + +#include <sysdeps/powerpc/powerpc32/power7/mempcpy.S> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c new file mode 100644 index 0000000000..b5bc5713d7 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy-ppc32.c @@ -0,0 +1,32 @@ +/* PowerPC32 default implementation of mempcpy. + 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 MEMPCPY __mempcpy_ppc + +#undef libc_hidden_def +#define libc_hidden_def(name) +#undef weak_alias +#define weak_alias(a, b) + +#if defined SHARED +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) \ + __hidden_ver1 (__mempcpy_ppc, __GI_mempcpy, __mempcpy_ppc); +#endif + +#include <string/mempcpy.c> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c new file mode 100644 index 0000000000..7100eb513a --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/mempcpy.c @@ -0,0 +1,38 @@ +/* Multiple versions of mempcpy. + 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 (__mempcpy) __mempcpy_ppc attribute_hidden; +extern __typeof (__mempcpy) __mempcpy_power7 attribute_hidden; + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +libc_ifunc (__mempcpy, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __mempcpy_power7 + : __mempcpy_ppc); + +weak_alias (__mempcpy, mempcpy) +libc_hidden_def (mempcpy) +#else +# include <string/mempcpy.c> +#endif |