From 7f5ec11336e46d0449a6b5a8e5a0604c3c78ecbf Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Fri, 13 Dec 2013 14:54:41 -0500 Subject: PowerPC: multiarch strcpy for PowerPC64 --- sysdeps/powerpc/powerpc64/multiarch/Makefile | 3 +- .../powerpc/powerpc64/multiarch/ifunc-impl-list.c | 7 ++++ .../powerpc/powerpc64/multiarch/strcpy-power7.S | 40 ++++++++++++++++++++ sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S | 43 ++++++++++++++++++++++ sysdeps/powerpc/powerpc64/multiarch/strcpy.c | 31 ++++++++++++++++ 5 files changed, 123 insertions(+), 1 deletion(-) create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.S create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strcpy.c (limited to 'sysdeps/powerpc/powerpc64/multiarch') diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index b1180224fe..f9e9297906 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -12,7 +12,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ strchrnul-power7 strchrnul-ppc64 wcschr-power7 \ wcschr-power6 wcschr-ppc64 wcsrchr-power7 wcsrchr-power6 \ wcsrchr-ppc64 wcscpy-power7 wcscpy-power6 wcscpy-ppc64 \ - wordcopy-power7 wordcopy-power6 wordcopy-ppc64 + wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \ + strcpy-power7 strcpy-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 ae02476518..3afbd7147b 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -71,6 +71,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __memset_power4) IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc)) + /* Support sysdeps/powerpc/powerpc64/multiarch/strcpy.c. */ + IFUNC_IMPL (i, name, strcpy, + IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_HAS_VSX, + __strcpy_power7) + IFUNC_IMPL_ADD (array, i, strcpy, 1, + __strcpy_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/strcpy-power7.S b/sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.S new file mode 100644 index 0000000000..127422f439 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strcpy-power7.S @@ -0,0 +1,40 @@ +/* Optimized strcpy 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(__strcpy_power7) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + BODY_LABEL(__strcpy_power7): \ + cfi_startproc; \ + LOCALENTRY(__strcpy_power7) + +#undef END +#define END(name) \ + cfi_endproc; \ + TRACEBACK(__strcpy_power7) \ + END_2(__strcpy_power7) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S b/sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S new file mode 100644 index 0000000000..255fc3f1fb --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strcpy-ppc64.S @@ -0,0 +1,43 @@ +/* Default strcpy 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(__strcpy_ppc) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + BODY_LABEL(__strcpy_ppc): \ + cfi_startproc; \ + LOCALENTRY(__strcpy_ppc) + +# undef END +# define END(name) \ + cfi_endproc; \ + TRACEBACK(__strcpy_ppc) \ + END_2(__strcpy_ppc) + +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) \ + .globl __GI_strcpy; __GI_strcpy = __strcpy_ppc +#endif + +#include diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcpy.c b/sysdeps/powerpc/powerpc64/multiarch/strcpy.c new file mode 100644 index 0000000000..8d555c9417 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strcpy.c @@ -0,0 +1,31 @@ +/* Multiple versions of strcpy. 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 (strcpy) __strcpy_ppc attribute_hidden; +extern __typeof (strcpy) __strcpy_power7 attribute_hidden; + +libc_ifunc (strcpy, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __strcpy_power7 + : __strcpy_ppc); +#endif -- cgit 1.4.1