PowerPC: multiarch memchr for PowerPC64
This commit is contained in:
Adhemerval Zanella
parent
f00be62b08
commit
870f867648
11
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 memchr multiarch
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implementation.
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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/memchr-power7.S: New file.
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* sysdeps/powerpc/powerpc64/multiarch/memchr-ppc64.c: New file.
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* sysdeps/powerpc/powerpc64/multiarch/memchr.c: New file: multiarch
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memchr 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 mempcpy multiarch
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@ -3,5 +3,5 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memcpy-power4 memcpy-ppc64 memcmp-power7 memcmp-power4 \
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memcmp-ppc64 memset-power7 memset-power6 memset-power4 \
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memset-ppc64 bzero-power4 bzero-power6 bzero-power7 \
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mempcpy-power7 mempcpy-ppc64
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mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64
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endif
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@ -98,5 +98,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, mempcpy, 1,
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__mempcpy_ppc))
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/* Support sysdeps/powerpc/powerpc64/multiarch/memchr.c. */
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IFUNC_IMPL (i, name, memchr,
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IFUNC_IMPL_ADD (array, i, memchr,
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hwcap & PPC_FEATURE_HAS_VSX,
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__memchr_power7)
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IFUNC_IMPL_ADD (array, i, memchr, 1,
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__memchr_ppc))
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return i;
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}
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@ -0,0 +1,41 @@
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/* Optimized memchr implementation for PowerPC64/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(__memchr_power7) \
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.align ALIGNARG(2); \
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BODY_LABEL(__memchr_power7): \
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cfi_startproc; \
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LOCALENTRY(__memchr_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(__memchr_power7) \
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END_2(__memchr_power7)
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#undef weak_alias
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#define weak_alias(name,alias)
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#include <sysdeps/powerpc/powerpc64/power7/memchr.S>
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@ -0,0 +1,19 @@
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/* PowerPC64 default implementation of memchr.
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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 <sysdeps/powerpc/powerpc32/power4/multiarch/memchr-ppc32.c>
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@ -0,0 +1,38 @@
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/* Multiple versions of memchr.
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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 (__memchr) __memchr_ppc attribute_hidden;
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extern __typeof (__memchr) __memchr_power7 attribute_hidden;
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/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
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ifunc symbol properly. */
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libc_ifunc (__memchr,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __memchr_power7
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: __memchr_ppc);
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weak_alias (__memchr, memchr)
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libc_hidden_builtin_def (memchr)
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#else
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#include <string/memchr.c>
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#endif
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