PowerPC: multiarch strlen for PowerPC64
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ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strlen multiarch
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implementations.
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* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
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(__libc_ifunc_impl_list): Likewise.
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* sysdeps/powerpc/powerpc64/multiarch/strlen-power7.S: New file.
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* sysdeps/powerpc/powerpc64/multiarch/strlen-ppc64.S: New file.
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* sysdeps/powerpc/powerpc64/multiarch/strlen.c: New file: multiarch
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strlen for PPC64.
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2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add rawmemch multiarch
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@ -5,5 +5,5 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memset-ppc64 bzero-power4 bzero-power6 bzero-power7 \
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mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64 \
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memrchr-power7 memrchr-ppc64 rawmemchr-power7 \
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rawmemchr-ppc64
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rawmemchr-ppc64 strlen-power7 strlen-ppc64
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endif
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@ -70,6 +70,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
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__memset_power4)
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IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
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/* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c. */
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IFUNC_IMPL (i, name, strlen,
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IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
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__strlen_power7)
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IFUNC_IMPL_ADD (array, i, strlen, 1,
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__strlen_ppc))
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#endif
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/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
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@ -0,0 +1,39 @@
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/* Optimized strlen implementation for POWER7.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#undef ENTRY
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#define ENTRY(name) \
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.section ".text"; \
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ENTRY_2(__strlen_power7) \
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.align ALIGNARG(2); \
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BODY_LABEL(__strlen_power7): \
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cfi_startproc; \
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LOCALENTRY(__strlen_power7)
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#undef END
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#define END(name) \
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cfi_endproc; \
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TRACEBACK(__strlen_power7) \
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END_2(__strlen_power7)
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#include <sysdeps/powerpc/powerpc64/power7/strlen.S>
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@ -0,0 +1,42 @@
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/* Default strlen implementation for PowerPC64.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#if defined SHARED && !defined NOT_IN_libc
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# undef ENTRY
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# define ENTRY(name) \
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.section ".text"; \
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ENTRY_2(__strlen_ppc) \
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.align ALIGNARG(2); \
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BODY_LABEL(__strlen_ppc): \
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cfi_startproc; \
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LOCALENTRY(__strlen_ppc)
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# undef END
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# define END(name) \
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cfi_endproc; \
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TRACEBACK(__strlen_ppc) \
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END_2(__strlen_ppc)
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# undef libc_hidden_builtin_def
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# define libc_hidden_builtin_def(name) \
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.globl __GI_strlen; __GI_strlen = __strlen_ppc
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#endif
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#include <sysdeps/powerpc/powerpc64/strlen.S>
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@ -0,0 +1,31 @@
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/* Multiple versions of strlen. PowerPC64 version.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#if defined SHARED && !defined NOT_IN_libc
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# include <string.h>
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# include <shlib-compat.h>
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# include "init-arch.h"
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extern __typeof (strlen) __strlen_ppc attribute_hidden;
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extern __typeof (strlen) __strlen_power7 attribute_hidden;
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libc_ifunc (strlen,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __strlen_power7
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: __strlen_ppc);
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#endif
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