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	Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
		
	
		
			
				
	
	
		
			369 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			369 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Enumerate available IFUNC implementations of a function.  PowerPC64 version.
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   Copyright (C) 2013-2019 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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   <https://www.gnu.org/licenses/>.  */
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#include <assert.h>
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#include <string.h>
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#include <wchar.h>
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#include <ldsodefs.h>
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#include <ifunc-impl-list.h>
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/* Maximum number of IFUNC implementations.  */
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#define MAX_IFUNC	6
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size_t
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__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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			size_t max)
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{
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  assert (max >= MAX_IFUNC);
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  size_t i = 0;
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  unsigned long int hwcap = GLRO(dl_hwcap);
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  unsigned long int hwcap2 = GLRO(dl_hwcap2);
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  /* hwcap contains only the latest supported ISA, the code checks which is
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     and fills the previous supported ones.  */
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  if (hwcap & PPC_FEATURE_ARCH_2_06)
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    hwcap |= PPC_FEATURE_ARCH_2_05 | PPC_FEATURE_POWER5_PLUS |
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             PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
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  else if (hwcap & PPC_FEATURE_ARCH_2_05)
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    hwcap |= PPC_FEATURE_POWER5_PLUS | PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
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  else if (hwcap & PPC_FEATURE_POWER5_PLUS)
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    hwcap |= PPC_FEATURE_POWER5 | PPC_FEATURE_POWER4;
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  else if (hwcap & PPC_FEATURE_POWER5)
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    hwcap |= PPC_FEATURE_POWER4;
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#ifdef SHARED
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  /* Support sysdeps/powerpc/powerpc64/multiarch/memcpy.c.  */
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  IFUNC_IMPL (i, name, memcpy,
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	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __memcpy_power8_cached)
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	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX,
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			      __memcpy_power7)
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	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06,
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			      __memcpy_a2)
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	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05,
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			      __memcpy_power6)
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	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE,
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			      __memcpy_cell)
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	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_POWER4,
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			      __memcpy_power4)
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	      IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/memmove.c.  */
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  IFUNC_IMPL (i, name, memmove,
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	      IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_HAS_VSX,
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			      __memmove_power7)
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	      IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/memset.c.  */
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  IFUNC_IMPL (i, name, memset,
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	      IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __memset_power8)
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	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
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			      __memset_power7)
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	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
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			      __memset_power6)
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	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
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			      __memset_power4)
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	      IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strcpy.c.  */
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  IFUNC_IMPL (i, name, strcpy,
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	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strcpy_power8)
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	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_HAS_VSX,
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			      __strcpy_power7)
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	      IFUNC_IMPL_ADD (array, i, strcpy, 1,
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			      __strcpy_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c.  */
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  IFUNC_IMPL (i, name, stpcpy,
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	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __stpcpy_power8)
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	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_HAS_VSX,
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			      __stpcpy_power7)
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	      IFUNC_IMPL_ADD (array, i, stpcpy, 1,
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			      __stpcpy_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c.  */
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  IFUNC_IMPL (i, name, strlen,
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	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strlen_power8)
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	      IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
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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/powerpc64/multiarch/strncmp.c.  */
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  IFUNC_IMPL (i, name, strncmp,
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#ifdef __LITTLE_ENDIAN__
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	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00,
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			      __strncmp_power9)
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#endif
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	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strncmp_power8)
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	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX,
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			      __strncmp_power7)
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	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4,
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			      __strncmp_power4)
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	      IFUNC_IMPL_ADD (array, i, strncmp, 1,
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			      __strncmp_ppc))
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  /* Support sysdeps/powerpc/powerpc64/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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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strchr_power8)
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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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  /* Support sysdeps/powerpc/powerpc64/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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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strchrnul_power8)
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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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#endif
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  /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c.  */
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  IFUNC_IMPL (i, name, memcmp,
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	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __memcmp_power8)
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	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
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			      __memcmp_power7)
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	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_POWER4,
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			      __memcmp_power4)
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	      IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/bzero.c.  */
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  IFUNC_IMPL (i, name, bzero,
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	      IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __bzero_power8)
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	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
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			      __bzero_power7)
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	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
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			      __bzero_power6)
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	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
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			      __bzero_power4)
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	      IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/bcopy.c.  */
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  IFUNC_IMPL (i, name, bcopy,
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	      IFUNC_IMPL_ADD (array, i, bcopy, hwcap & PPC_FEATURE_HAS_VSX,
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			      __bcopy_power7)
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	      IFUNC_IMPL_ADD (array, i, bcopy, 1, __bcopy_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c.  */
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  IFUNC_IMPL (i, name, mempcpy,
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	      IFUNC_IMPL_ADD (array, i, mempcpy,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __mempcpy_power7)
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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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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __memchr_power8)
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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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  /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c.  */
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  IFUNC_IMPL (i, name, memrchr,
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	      IFUNC_IMPL_ADD (array, i, memrchr,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __memrchr_power8)
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	      IFUNC_IMPL_ADD (array, i, memrchr,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __memrchr_power7)
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	      IFUNC_IMPL_ADD (array, i, memrchr, 1,
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			      __memrchr_ppc))
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  /* Support sysdeps/powerpc/powerpc64/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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  /* Support sysdeps/powerpc/powerpc64/multiarch/strnlen.c.  */
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  IFUNC_IMPL (i, name, strnlen,
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	      IFUNC_IMPL_ADD (array, i, strnlen,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strnlen_power8)
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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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  /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c.  */
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  IFUNC_IMPL (i, name, strcasecmp,
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	      IFUNC_IMPL_ADD (array, i, strcasecmp,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strcasecmp_power8)
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	      IFUNC_IMPL_ADD (array, i, strcasecmp,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __strcasecmp_power7)
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	      IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c.  */
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  IFUNC_IMPL (i, name, strcasecmp_l,
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	      IFUNC_IMPL_ADD (array, i, strcasecmp_l,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __strcasecmp_l_power7)
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	      IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
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			      __strcasecmp_l_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c.  */
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  IFUNC_IMPL (i, name, strncasecmp,
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	      IFUNC_IMPL_ADD (array, i, strncasecmp,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strncasecmp_power8)
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	      IFUNC_IMPL_ADD (array, i, strncasecmp,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __strncasecmp_power7)
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	      IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strncase_l.c.  */
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  IFUNC_IMPL (i, name, strncasecmp_l,
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	      IFUNC_IMPL_ADD (array, i, strncasecmp_l,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __strncasecmp_l_power7)
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	      IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
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			      __strncasecmp_l_ppc))
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						|
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c.  */
 | 
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  IFUNC_IMPL (i, name, strrchr,
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	      IFUNC_IMPL_ADD (array, i, strrchr,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
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			      __strrchr_power8)
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	      IFUNC_IMPL_ADD (array, i, strrchr,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __strrchr_power7)
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	      IFUNC_IMPL_ADD (array, i, strrchr, 1,
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			      __strrchr_ppc))
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						|
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  /* Support sysdeps/powerpc/powerpc64/multiarch/strncat.c.  */
 | 
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  IFUNC_IMPL (i, name, strncat,
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	      IFUNC_IMPL_ADD (array, i, strncat,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strncat_power8)
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	      IFUNC_IMPL_ADD (array, i, strncat,
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			      hwcap & PPC_FEATURE_HAS_VSX,
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			      __strncat_power7)
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	      IFUNC_IMPL_ADD (array, i, strncat, 1,
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						|
			      __strncat_ppc))
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						|
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						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strncpy.c.  */
 | 
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  IFUNC_IMPL (i, name, strncpy,
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	      IFUNC_IMPL_ADD (array, i, strncpy,
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			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
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			      __strncpy_power8)
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	      IFUNC_IMPL_ADD (array, i, strncpy,
 | 
						|
			      hwcap & PPC_FEATURE_HAS_VSX,
 | 
						|
			      __strncpy_power7)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strncpy, 1,
 | 
						|
			     __strncpy_ppc))
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/stpncpy.c.  */
 | 
						|
  IFUNC_IMPL (i, name, stpncpy,
 | 
						|
	      IFUNC_IMPL_ADD (array, i, stpncpy,
 | 
						|
			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
						|
			      __stpncpy_power8)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, stpncpy,
 | 
						|
			      hwcap & PPC_FEATURE_HAS_VSX,
 | 
						|
			      __stpncpy_power7)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, stpncpy, 1,
 | 
						|
			     __stpncpy_ppc))
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strcmp.c.  */
 | 
						|
  IFUNC_IMPL (i, name, strcmp,
 | 
						|
#ifdef __LITTLE_ENDIAN__
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcmp,
 | 
						|
			      hwcap2 & PPC_FEATURE2_ARCH_3_00,
 | 
						|
			      __strcmp_power9)
 | 
						|
#endif
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcmp,
 | 
						|
			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
						|
			      __strcmp_power8)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcmp,
 | 
						|
			      hwcap & PPC_FEATURE_HAS_VSX,
 | 
						|
			      __strcmp_power7)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcmp, 1,
 | 
						|
			     __strcmp_ppc))
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strcat.c.  */
 | 
						|
  IFUNC_IMPL (i, name, strcat,
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcat,
 | 
						|
			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
						|
			      __strcat_power8)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcat,
 | 
						|
			      hwcap & PPC_FEATURE_HAS_VSX,
 | 
						|
			      __strcat_power7)
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcat, 1,
 | 
						|
			     __strcat_ppc))
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strspn.c.  */
 | 
						|
  IFUNC_IMPL (i, name, strspn,
 | 
						|
             IFUNC_IMPL_ADD (array, i, strspn,
 | 
						|
                             hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
						|
                             __strspn_power8)
 | 
						|
             IFUNC_IMPL_ADD (array, i, strspn, 1,
 | 
						|
                             __strspn_ppc))
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strcspn.c.  */
 | 
						|
  IFUNC_IMPL (i, name, strcspn,
 | 
						|
             IFUNC_IMPL_ADD (array, i, strcspn,
 | 
						|
                             hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
						|
                             __strcspn_power8)
 | 
						|
             IFUNC_IMPL_ADD (array, i, strcspn, 1,
 | 
						|
                             __strcspn_ppc))
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strstr.c.  */
 | 
						|
  IFUNC_IMPL (i, name, strstr,
 | 
						|
             IFUNC_IMPL_ADD (array, i, strstr,
 | 
						|
                             hwcap & PPC_FEATURE_HAS_VSX,
 | 
						|
                             __strstr_power7)
 | 
						|
             IFUNC_IMPL_ADD (array, i, strstr, 1,
 | 
						|
                             __strstr_ppc))
 | 
						|
 | 
						|
 | 
						|
  /* Support sysdeps/powerpc/powerpc64/multiarch/strcasestr.c.  */
 | 
						|
  IFUNC_IMPL (i, name, strcasestr,
 | 
						|
	      IFUNC_IMPL_ADD (array, i, strcasestr,
 | 
						|
			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 | 
						|
			      __strcasestr_power8)
 | 
						|
             IFUNC_IMPL_ADD (array, i, strcasestr, 1,
 | 
						|
                             __strcasestr_ppc))
 | 
						|
 | 
						|
  return i;
 | 
						|
}
 |