PowerPC: multiarch strnlen for PowerPC32
This commit is contained in:
Adhemerval Zanella
parent
3148bb7d2c
commit
ae9cf7a2e8
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/rtld-strnlen.c: New file.
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* sysdeps/powerpc/powerpc32//power4/multiarch/strnlen-power7.S: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/strnlen-ppc32.c: New file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c: New file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added strnlen
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multiarch objects.
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* sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list
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(__libc_ifunc_impl_list): Likewise.
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S: New
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@ -4,5 +4,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memset-power6 memset-ppc32 bzero-power7 bzero-power6 \
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bzero-ppc32 mempcpy-power7 mempcpy-ppc32 memchr-power7 \
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memchr-ppc32 memrchr-power7 memrchr-ppc32 rawmemchr-power7 \
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rawmemchr-ppc32 strlen-power7 strlen-ppc32
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rawmemchr-ppc32 strlen-power7 strlen-ppc32 strnlen-power7 \
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strnlen-ppc32
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endif
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@ -81,6 +81,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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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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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/strnlen.c. */
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IFUNC_IMPL (i, name, strnlen,
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IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX,
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__strnlen_power7)
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IFUNC_IMPL_ADD (array, i, strnlen, 1,
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__strnlen_ppc))
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#endif
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */
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@ -0,0 +1,18 @@
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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 <string/strnlen.c>
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@ -0,0 +1,37 @@
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/* Optimized strnlen implementation for PowerPC32/POWER7 using cmpb insn.
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Copyright (C) 2010-2013 Free Software Foundation, Inc.
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Contributed by Luis Machado <luisgpm@br.ibm.com>.
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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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.globl C_SYMBOL_NAME(__strnlen_power7); \
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.type C_SYMBOL_NAME(__strnlen_power7),@function; \
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C_LABEL(__strnlen_power7) \
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cfi_startproc;
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#undef END
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#define END(name) \
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cfi_endproc; \
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ASM_SIZE_DIRECTIVE(__strnlen_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/powerpc32/power7/strnlen.S>
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@ -0,0 +1,26 @@
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/* Default strnlen implementation for PowerPC32.
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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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#define STRNLEN __strnlen_ppc
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#ifdef SHARED
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# undef libc_hidden_def
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# define libc_hidden_def(name) \
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__hidden_ver1 (__strnlen_ppc, __GI_strnlen, __strnlen_ppc);
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#endif
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#include <string/strnlen.c>
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@ -0,0 +1,33 @@
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/* Multiple versions of strnlen.
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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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#ifndef 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 (__strnlen) __strnlen_ppc attribute_hidden;
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extern __typeof (__strnlen) __strnlen_power7 attribute_hidden;
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libc_ifunc (__strnlen,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __strnlen_power7
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: __strnlen_ppc);
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weak_alias (__strnlen, strnlen)
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libc_hidden_def (strnlen)
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#endif
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