PowerPC: multiarch strchr for PowerPC32
This commit is contained in:
Adhemerval Zanella
parent
31c81aaa01
commit
ba9641477e
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/rtld-strchr.S: New file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/strchr-power7.S: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/strchr-ppc32.S: New file.
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* sysdeps/powerpc/powerpc/powerpc32/power4/multiarch/strchr.c: New
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file: multiarch strchr for PPC32.
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* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added strchr
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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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* string/strchrnul.c (__strchrnul): Using macro to redefine symbol
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@ -7,7 +7,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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rawmemchr-ppc32 strlen-power7 strlen-ppc32 strnlen-power7 \
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strnlen-ppc32 strncmp-power7 strncmp-ppc32 \
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strcasecmp-power7 strcasecmp_l-power7 strncase-power7 \
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strncase_l-power7 strchrnul-power7 strchrnul-ppc32
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strncase_l-power7 strchrnul-power7 strchrnul-ppc32 \
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strchr-power7 strchr-ppc32
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
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@ -173,5 +173,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, strchrnul, 1,
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__strchrnul_ppc))
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchr.c. */
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IFUNC_IMPL (i, name, strchr,
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IFUNC_IMPL_ADD (array, i, strchr,
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hwcap & PPC_FEATURE_HAS_VSX,
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__strchr_power7)
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IFUNC_IMPL_ADD (array, i, strchr, 1,
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__strchr_ppc))
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return i;
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}
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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 <sysdeps/powerpc/powerpc32/strchr.S>
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@ -0,0 +1,39 @@
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/* Optimized strchr implementation for PowerPC32/POWER7 using cmpb insn.
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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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.globl C_SYMBOL_NAME(__strchr_power7); \
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.type C_SYMBOL_NAME(__strchr_power7),@function; \
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C_LABEL(__strchr_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(__strchr_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/strchr.S>
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@ -0,0 +1,41 @@
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/* PowerPC32 default implementation of strchr.
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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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#ifdef SHARED
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# undef ENTRY
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# define ENTRY(name) \
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.globl C_SYMBOL_NAME(__strchr_ppc); \
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.type C_SYMBOL_NAME(__strchr_ppc),@function; \
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.align ALIGNARG(2); \
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C_LABEL(__strchr_ppc) \
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cfi_startproc; \
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CALL_MCOUNT
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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(__strchr_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_strchr; __GI_strchr = __strchr_ppc
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#endif
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#include <sysdeps/powerpc/powerpc32/strchr.S>
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@ -0,0 +1,35 @@
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/* Multiple versions of strchr.
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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 multiple versions only for definition in libc. */
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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 (strchr) __strchr_ppc attribute_hidden;
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extern __typeof (strchr) __strchr_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 (strchr,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __strchr_power7
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: __strchr_ppc);
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weak_alias (strchr, index)
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#endif
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