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PowerPC: multiarch strchrnul for PowerPC32
This commit is contained in:
Adhemerval Zanella
parent
0d0607d9ab
commit
31c81aaa01
15
ChangeLog
15
ChangeLog
@ -1,3 +1,18 @@
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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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name.
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* sysdeps/powerpc/powerpc32/power4//multiarch/strchrnul-power7.S: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c: New file:
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multiarch strchrnul for PPC32.
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* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added strchrnul
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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/strncase-power7.c: New
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@ -27,9 +27,13 @@
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#undef __strchrnul
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#undef strchrnul
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#ifndef STRCHRNUL
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# define STRCHRNUL __strchrnul
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#endif
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/* Find the first occurrence of C in S or the final NUL byte. */
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char *
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__strchrnul (s, c_in)
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STRCHRNUL (s, c_in)
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const char *s;
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int c_in;
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{
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@ -7,7 +7,7 @@ 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
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strncase_l-power7 strchrnul-power7 strchrnul-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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@ -165,5 +165,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
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__strncasecmp_l_ppc))
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c. */
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IFUNC_IMPL (i, name, strchrnul,
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IFUNC_IMPL_ADD (array, i, strchrnul,
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hwcap & PPC_FEATURE_HAS_VSX,
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__strchrnul_power7)
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IFUNC_IMPL_ADD (array, i, strchrnul, 1,
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__strchrnul_ppc))
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return i;
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}
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@ -0,0 +1,39 @@
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/* Optimized strchrnul 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(__strchrnul_power7); \
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.type C_SYMBOL_NAME(__strchrnul_power7),@function; \
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C_LABEL(__strchrnul_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(__strchrnul_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/strchrnul.S>
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28
sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c
Normal file
28
sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul-ppc32.c
Normal file
@ -0,0 +1,28 @@
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/* PowerPC32 default implementation of strchrnul.
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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 STRCHRNUL __strchrnul_ppc
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#undef weak_alias
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#define weak_alias(a,b )
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extern __typeof (strchrnul) __strchrnul_ppc attribute_hidden;
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#include <string/strchrnul.c>
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37
sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c
Normal file
37
sysdeps/powerpc/powerpc32/power4/multiarch/strchrnul.c
Normal file
@ -0,0 +1,37 @@
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/* Multiple versions of strchrnul.
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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 (__strchrnul) __strchrnul_ppc attribute_hidden;
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extern __typeof (__strchrnul) __strchrnul_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 (__strchrnul,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __strchrnul_power7
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: __strchrnul_ppc);
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weak_alias (__strchrnul, strchrnul)
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#else
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#include <string/strchrnul.c>
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#endif
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