mirror of git://sourceware.org/git/glibc.git
PowerPC: multiarch rawmemchr for PowerPC32
This commit is contained in:
Adhemerval Zanella
parent
03a6aa6a63
commit
7af8b94625
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr-power7.S: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr-ppc32.c: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c: New file:
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multiarch rawmemchr for PPC32.
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* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added rawmemchr
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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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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-power7.S: New
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* sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-power7.S: New
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@ -47,10 +47,13 @@
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#undef memchr
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#undef memchr
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#ifndef RAWMEMCHR
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# define RAWMEMCHR __rawmemchr
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#endif
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/* Find the first occurrence of C in S. */
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/* Find the first occurrence of C in S. */
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__ptr_t
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__ptr_t
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__rawmemchr (s, c_in)
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RAWMEMCHR (s, c_in)
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const __ptr_t s;
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const __ptr_t s;
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int c_in;
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int c_in;
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{
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{
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@ -3,5 +3,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memcpy-ppc32 memcmp-power7 memcmp-ppc32 memset-power7 \
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memcpy-ppc32 memcmp-power7 memcmp-ppc32 memset-power7 \
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memset-power6 memset-ppc32 bzero-power7 bzero-power6 \
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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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bzero-ppc32 mempcpy-power7 mempcpy-ppc32 memchr-power7 \
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memchr-ppc32 memrchr-power7 memrchr-ppc32
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memchr-ppc32 memrchr-power7 memrchr-ppc32 rawmemchr-power7 \
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rawmemchr-ppc32
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endif
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endif
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@ -107,5 +107,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, memrchr, 1,
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IFUNC_IMPL_ADD (array, i, memrchr, 1,
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__memrchr_ppc))
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__memrchr_ppc))
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c. */
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IFUNC_IMPL (i, name, rawmemchr,
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IFUNC_IMPL_ADD (array, i, rawmemchr,
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hwcap & PPC_FEATURE_HAS_VSX,
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__rawmemchr_power7)
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IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
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__rawmemchr_ppc))
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return i;
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return i;
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}
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}
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@ -0,0 +1,40 @@
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/* Optimized rawrawmemchr 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(__rawmemchr_power7); \
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.type C_SYMBOL_NAME(__rawmemchr_power7),@function; \
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C_LABEL(__rawmemchr_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(__rawmemchr_power7)
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#undef weak_alias
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#define weak_alias(name, alias)
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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/rawmemchr.S>
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@ -0,0 +1,32 @@
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/* PowerPC32 default implementation of rawmemchr.
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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.h>
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#define RAWMEMCHR __rawmemchr_ppc
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#undef weak_alias
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#define weak_alias(a, b)
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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 (__rawmemchr_ppc, __GI___rawmemchr, __rawmemchr_ppc);
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#endif
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extern __typeof (rawmemchr) __rawmemchr_ppc attribute_hidden;
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#include <string/rawmemchr.c>
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@ -0,0 +1,37 @@
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/* Multiple versions of rawmemchr.
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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 (__rawmemchr) __rawmemchr_ppc attribute_hidden;
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extern __typeof (__rawmemchr) __rawmemchr_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 (__rawmemchr,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __rawmemchr_power7
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: __rawmemchr_ppc);
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weak_alias (__rawmemchr, rawmemchr)
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#else
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#include <string/rawmemchr.c>
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#endif
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