From a52374e82b90a6039c720f7b9b7dfa9db24ff4f0 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Fri, 13 Dec 2013 14:55:22 -0500 Subject: PowerPC: multiarch stpcpy for PowerPC64 --- sysdeps/powerpc/powerpc64/multiarch/Makefile | 2 +- .../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 7 ++++ .../powerpc/powerpc64/multiarch/stpcpy-power7.S | 40 ++++++++++++++++++ sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S | 48 ++++++++++++++++++++++ sysdeps/powerpc/powerpc64/multiarch/stpcpy.c | 34 +++++++++++++++ 5 files changed, 130 insertions(+), 1 deletion(-) create mode 100644 sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.S create mode 100644 sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S create mode 100644 sysdeps/powerpc/powerpc64/multiarch/stpcpy.c (limited to 'sysdeps') diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index f9e9297906..3c47316bda 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -13,7 +13,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ wcschr-power6 wcschr-ppc64 wcsrchr-power7 wcsrchr-power6 \ wcsrchr-ppc64 wcscpy-power7 wcscpy-power6 wcscpy-ppc64 \ wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \ - strcpy-power7 strcpy-ppc64 + strcpy-power7 strcpy-ppc64 stpcpy-power7 stpcpy-ppc64 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index 3afbd7147b..33fc29e7f0 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -78,6 +78,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_IMPL_ADD (array, i, strcpy, 1, __strcpy_ppc)) + /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c. */ + IFUNC_IMPL (i, name, stpcpy, + IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_HAS_VSX, + __stpcpy_power7) + IFUNC_IMPL_ADD (array, i, stpcpy, 1, + __stpcpy_ppc)) + /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c. */ IFUNC_IMPL (i, name, strlen, IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX, diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.S b/sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.S new file mode 100644 index 0000000000..1b75dd18e9 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/stpcpy-power7.S @@ -0,0 +1,40 @@ +/* Optimized stpcpy 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 + . */ + +#include + +#undef EALIGN +#define EALIGN(name, alignt, words) \ + .section ".text"; \ + ENTRY_2(__stpcpy_power7) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + BODY_LABEL(__stpcpy_power7): \ + cfi_startproc; \ + LOCALENTRY(__stpcpy_power7) + +#undef END +#define END(name) \ + cfi_endproc; \ + TRACEBACK(__stpcpy_power7) \ + END_2(__stpcpy_power7) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S b/sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S new file mode 100644 index 0000000000..874d8aa8f3 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/stpcpy-ppc64.S @@ -0,0 +1,48 @@ +/* Default stpcpy implementation for PowerPC64. + 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 + . */ + +#include + +#if defined SHARED && !defined NOT_IN_libc +# undef EALIGN +# define EALIGN(name, alignt, words) \ + .section ".text"; \ + ENTRY_2(__stpcpy_ppc) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + BODY_LABEL(__stpcpy_ppc): \ + cfi_startproc; \ + LOCALENTRY(__stpcpy_ppc) + +# undef END +# define END(name) \ + cfi_endproc; \ + TRACEBACK(__stpcpy_ppc) \ + END_2(__stpcpy_ppc) + +# undef weak_alias +# define weak_alias(name, alias) +# undef libc_hidden_def +# define libc_hidden_def(name) + +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) \ + .globl __GI___stpcpy; __GI___stpcpy = __stpcpy_ppc +#endif + +#include diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c b/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c new file mode 100644 index 0000000000..4df555f204 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c @@ -0,0 +1,34 @@ +/* Multiple versions of stpcpy. 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 + . */ + +#if defined SHARED && !defined NOT_IN_libc +# include +# include +# include "init-arch.h" + +extern __typeof (__stpcpy) __stpcpy_ppc attribute_hidden; +extern __typeof (__stpcpy) __stpcpy_power7 attribute_hidden; + +libc_ifunc (__stpcpy, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __stpcpy_power7 + : __stpcpy_ppc); + +weak_alias (__stpcpy, stpcpy) +libc_hidden_def (stpcpy) +#endif -- cgit 1.4.1