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author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-10-14 08:17:44 -0500 |
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committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-12-06 05:47:00 -0600 |
commit | ae9cf7a2e89aa4b4646b66dd32739409a46c857c (patch) | |
tree | ce424920431250058f47fc48b83b8cf617b434ef /sysdeps/powerpc/powerpc32/power4 | |
parent | 3148bb7d2ca1239dff3f76a39cb60cd8c4302392 (diff) | |
download | glibc-ae9cf7a2e89aa4b4646b66dd32739409a46c857c.tar.gz glibc-ae9cf7a2e89aa4b4646b66dd32739409a46c857c.tar.xz glibc-ae9cf7a2e89aa4b4646b66dd32739409a46c857c.zip |
PowerPC: multiarch strnlen for PowerPC32
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power4')
6 files changed, 123 insertions, 1 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile index cddb9bf50f..b84f867f01 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile @@ -4,5 +4,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ memset-power6 memset-ppc32 bzero-power7 bzero-power6 \ bzero-ppc32 mempcpy-power7 mempcpy-ppc32 memchr-power7 \ memchr-ppc32 memrchr-power7 memrchr-ppc32 rawmemchr-power7 \ - rawmemchr-ppc32 strlen-power7 strlen-ppc32 + rawmemchr-ppc32 strlen-power7 strlen-ppc32 strnlen-power7 \ + strnlen-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 63dadade74..b2c6691c96 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c @@ -81,6 +81,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __strlen_power7) IFUNC_IMPL_ADD (array, i, strlen, 1, __strlen_ppc)) + + /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c. */ + IFUNC_IMPL (i, name, strnlen, + IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX, + __strnlen_power7) + IFUNC_IMPL_ADD (array, i, strnlen, 1, + __strnlen_ppc)) #endif /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */ diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/rtld-strnlen.c b/sysdeps/powerpc/powerpc32/power4/multiarch/rtld-strnlen.c new file mode 100644 index 0000000000..11a72038dc --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/rtld-strnlen.c @@ -0,0 +1,18 @@ +/* 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/strnlen.c> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-power7.S b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-power7.S new file mode 100644 index 0000000000..7b09e7d003 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-power7.S @@ -0,0 +1,37 @@ +/* Optimized strnlen 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(__strnlen_power7); \ + .type C_SYMBOL_NAME(__strnlen_power7),@function; \ + C_LABEL(__strnlen_power7) \ + cfi_startproc; + +#undef END +#define END(name) \ + cfi_endproc; \ + ASM_SIZE_DIRECTIVE(__strnlen_power7) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include <sysdeps/powerpc/powerpc32/power7/strnlen.S> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-ppc32.c b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-ppc32.c new file mode 100644 index 0000000000..43d8276cd4 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-ppc32.c @@ -0,0 +1,26 @@ +/* Default strnlen implementation for PowerPC32. + 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 STRNLEN __strnlen_ppc +#ifdef SHARED +# undef libc_hidden_def +# define libc_hidden_def(name) \ + __hidden_ver1 (__strnlen_ppc, __GI_strnlen, __strnlen_ppc); +#endif + +#include <string/strnlen.c> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c new file mode 100644 index 0000000000..b2ec1aa96a --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c @@ -0,0 +1,33 @@ +/* Multiple versions of strnlen. + 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 (__strnlen) __strnlen_ppc attribute_hidden; +extern __typeof (__strnlen) __strnlen_power7 attribute_hidden; + +libc_ifunc (__strnlen, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __strnlen_power7 + : __strnlen_ppc); +weak_alias (__strnlen, strnlen) +libc_hidden_def (strnlen) +#endif |