diff options
| -rw-r--r-- | ChangeLog | 12 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c | 6 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S | 36 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S | 41 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c | 31 |
6 files changed, 127 insertions, 1 deletions
@@ -1,5 +1,17 @@ 2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + * sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S: New + file. + * sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S: New + file. + * sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c: New file. + * sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added strlen + multiarch objects. + * sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list + (__libc_ifunc_impl_list): Likewise. + +2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + * sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr-power7.S: New file. * sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr-ppc32.c: New diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile index 23b653f671..cddb9bf50f 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile @@ -4,5 +4,5 @@ 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 + rawmemchr-ppc32 strlen-power7 strlen-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 95da674390..63dadade74 100644 --- a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c @@ -75,6 +75,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __bzero_power6) IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc)) + /* Support sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c. */ + IFUNC_IMPL (i, name, strlen, + IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX, + __strlen_power7) + IFUNC_IMPL_ADD (array, i, strlen, 1, + __strlen_ppc)) #endif /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */ diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S new file mode 100644 index 0000000000..cde958aa1a --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S @@ -0,0 +1,36 @@ +/* Optimized strlen implementation for PowerPC32/POWER7 using cmpb insn. + 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 ENTRY +#define ENTRY(name) \ + .globl C_SYMBOL_NAME(__strlen_power7); \ + .type C_SYMBOL_NAME(__strlen_power7),@function; \ + C_LABEL(__strlen_power7) \ + cfi_startproc; + +#undef END +#define END(name) \ + cfi_endproc; \ + ASM_SIZE_DIRECTIVE(__strlen_power7) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include <sysdeps/powerpc/powerpc32/power7/strlen.S> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S new file mode 100644 index 0000000000..a94d93cfad --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-ppc32.S @@ -0,0 +1,41 @@ +/* Default strlen 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/>. */ + +#if defined SHARED && !defined NOT_IN_libc + +#include <sysdep.h> + +# undef ENTRY +# define ENTRY(name) \ + .globl C_SYMBOL_NAME(__strlen_ppc); \ + .type C_SYMBOL_NAME(__strlen_ppc),@function; \ + C_LABEL(__strlen_ppc) \ + cfi_startproc; + +# undef END +# define END(name) \ + cfi_endproc; \ + ASM_SIZE_DIRECTIVE(__strlen_ppc) + +# undef libc_hidden_builtin_def +# define libc_hidden_builtin_def(name) \ + .globl __GI_strlen; __GI_strlen = __strlen_ppc + +#endif + +#include <sysdeps/powerpc/powerpc32/strlen.S> diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c new file mode 100644 index 0000000000..efbc0abe6f --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c @@ -0,0 +1,31 @@ +/* Multiple versions of strlen. + 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/>. */ + +#if defined SHARED && !defined NOT_IN_libc +# include <string.h> +# include <shlib-compat.h> +# include "init-arch.h" + +extern __typeof (strlen) __strlen_ppc attribute_hidden; +extern __typeof (strlen) __strlen_power7 attribute_hidden; + +libc_ifunc (strlen, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __strlen_power7 + : __strlen_ppc); +#endif |