[v2,6/6] powerpc: Use generic wcscpy optimization

diff --git a/sysdeps/powerpc/Makefile b/sysdeps/powerpc/Makefile
index 35cf1c624b..05675bc8ae 100644
--- a/sysdeps/powerpc/Makefile
+++ b/sysdeps/powerpc/Makefile
@@ -50,4 +50,5 @@  endif
 ifeq ($(subdir),wcsmbs)
 CFLAGS-wcscpy.c += -DUNROLL_NTIMES=8
 CFLAGS-wcschr.c += -DUNROLL_NTIMES=8
+CFLAGS-wcsrchr.c += -DUNROLL_NTIMES=8
 endif
diff --git a/sysdeps/powerpc/power6/wcsrchr.c b/sysdeps/powerpc/power6/wcsrchr.c
deleted file mode 100644
index 1762bd276c..0000000000
--- a/sysdeps/powerpc/power6/wcsrchr.c
+++ /dev/null
@@ -1,89 +0,0 @@ 
-/* wcsrchr.c - Wide Character Reverse Search for POWER6+.
-   Copyright (C) 2012-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-#include <wchar.h>
-
-#ifndef WCSRCHR
-# define WCSRCHR wcsrchr
-#endif
-
-/* Find the last occurrence of WC in WCS.  */
-wchar_t *
-WCSRCHR (const wchar_t *wcs, const wchar_t wc)
-{
-  const wchar_t *wcs2 = wcs + 1;
-  const wchar_t *retval = NULL;
-
-  if (*wcs == wc)
-    retval = wcs;
-
-  if (*wcs == L'\0') return (wchar_t *) retval;
-
-  do
-    {
-    wcs+=2;
-
-    if (*wcs2 == wc)
-      retval = wcs2;
-    if (*wcs2 == L'\0')
-      return (wchar_t *) retval;
-    wcs2+=2;
-
-    if (*wcs == wc)
-      retval = wcs;
-    if (*wcs == L'\0')
-      return (wchar_t *) retval;
-    wcs+=2;
-
-    if (*wcs2 == wc)
-      retval = wcs2;
-    if (*wcs2 == L'\0')
-      return (wchar_t *) retval;
-    wcs2+=2;
-
-    if (*wcs == wc)
-      retval = wcs;
-    if (*wcs == L'\0')
-      return (wchar_t *) retval;
-    wcs+=2;
-
-    if (*wcs2 == wc)
-      retval = wcs2;
-    if (*wcs2 == L'\0')
-      return (wchar_t *) retval;
-    wcs2+=2;
-
-    if (*wcs == wc)
-      retval = wcs;
-    if (*wcs == L'\0')
-      return (wchar_t *) retval;
-    wcs+=2;
-
-    if (*wcs2 == wc)
-      retval = wcs2;
-    if (*wcs2 == L'\0')
-      return (wchar_t *) retval;
-    wcs2+=2;
-
-    if (*wcs == wc)
-      retval = wcs;
-    }
-  while (*wcs != L'\0');
-
-  return (wchar_t *) retval;
-}
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
index bb87c56b4d..5c68f07d19 100644
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
@@ -15,10 +15,3 @@  sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
 CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
 endif
-
-ifeq ($(subdir),wcsmbs)
-sysdep_routines += wcsrchr-power7 wcsrchr-power6 wcsrchr-ppc32
-
-CFLAGS-wcsrchr-power7.c += -mcpu=power7
-CFLAGS-wcsrchr-power6.c += -mcpu=power6
-endif
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
index 7624c3d5f0..16a64beb33 100644
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
@@ -187,16 +187,5 @@  __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 	      IFUNC_IMPL_ADD (array, i, strchr, 1,
 			      __strchr_ppc))
 
-  /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c.  */
-  IFUNC_IMPL (i, name, wcsrchr,
-	      IFUNC_IMPL_ADD (array, i, wcsrchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
-			      __wcsrchr_power7)
-	      IFUNC_IMPL_ADD (array, i, wcsrchr,
-			      hwcap & PPC_FEATURE_ARCH_2_05,
-			      __wcsrchr_power6)
-	      IFUNC_IMPL_ADD (array, i, wcsrchr, 1,
-			      __wcsrchr_ppc))
-
   return i;
 }
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
deleted file mode 100644
index 93c8bde9ba..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
+++ /dev/null
@@ -1,20 +0,0 @@ 
-/* Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#define WCSRCHR      __wcsrchr_power6
-
-#include <sysdeps/powerpc/power6/wcsrchr.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c
deleted file mode 100644
index a32a9845b7..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c
+++ /dev/null
@@ -1,20 +0,0 @@ 
-/* Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#define WCSRCHR      __wcsrchr_power7
-
-#include <sysdeps/powerpc/power6/wcsrchr.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c
deleted file mode 100644
index 690faf48b8..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c
+++ /dev/null
@@ -1,26 +0,0 @@ 
-/* Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <wchar.h>
-
-#if IS_IN (libc)
-# define WCSRCHR  __wcsrchr_ppc
-#endif
-
-extern __typeof (wcsrchr) __wcsrchr_ppc;
-
-#include <wcsmbs/wcsrchr.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c
deleted file mode 100644
index 80adc7bcd1..0000000000
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c
+++ /dev/null
@@ -1,36 +0,0 @@ 
-/* Multiple versions of wcsrchr
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#if IS_IN (libc)
-# include <wchar.h>
-# include <shlib-compat.h>
-# include "init-arch.h"
-
-extern __typeof (wcsrchr) __wcsrchr_ppc attribute_hidden;
-extern __typeof (wcsrchr) __wcsrchr_power6 attribute_hidden;
-extern __typeof (wcsrchr) __wcsrchr_power7 attribute_hidden;
-
-libc_ifunc (wcsrchr,
-	     (hwcap & PPC_FEATURE_HAS_VSX)
-             ? __wcsrchr_power7 :
-	       (hwcap & PPC_FEATURE_ARCH_2_05)
-	       ? __wcsrchr_power6
-             : __wcsrchr_ppc);
-#else
-#include <wcsmbs/wcsrchr.c>
-#endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile
index c70f4a2b5a..ea936bf9ed 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile
@@ -37,10 +37,3 @@  endif
 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
 CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
 endif
-
-ifeq ($(subdir),wcsmbs)
-sysdep_routines += wcsrchr-power7 wcsrchr-power6 wcsrchr-ppc64
-
-CFLAGS-wcsrchr-power7.c += -mcpu=power7
-CFLAGS-wcsrchr-power6.c += -mcpu=power6
-endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index 9b1e4d141d..c0a927d73e 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -260,17 +260,6 @@  __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 	      IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
 			      __strncasecmp_l_ppc))
 
-  /* Support sysdeps/powerpc/powerpc64/multiarch/wcschr.c.  */
-  IFUNC_IMPL (i, name, wcsrchr,
-	      IFUNC_IMPL_ADD (array, i, wcsrchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
-			      __wcsrchr_power7)
-	      IFUNC_IMPL_ADD (array, i, wcsrchr,
-			      hwcap & PPC_FEATURE_ARCH_2_05,
-			      __wcsrchr_power6)
-	      IFUNC_IMPL_ADD (array, i, wcsrchr, 1,
-			      __wcsrchr_ppc))
-
   /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c.  */
   IFUNC_IMPL (i, name, strrchr,
 	      IFUNC_IMPL_ADD (array, i, strrchr,
diff --git a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c
deleted file mode 100644
index a68569d30c..0000000000
--- a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c
+++ /dev/null
@@ -1,19 +0,0 @@ 
-/* wcsrchr.c - Wide Character Search for powerpc64/power6.
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-#include <sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power7.c b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power7.c
deleted file mode 100644
index f27553f4ab..0000000000
--- a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power7.c
+++ /dev/null
@@ -1,19 +0,0 @@ 
-/* wcsrchr.c - Wide Character Search for powerpc64/power7.
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-#include <sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c
deleted file mode 100644
index b6504ebaef..0000000000
--- a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c
+++ /dev/null
@@ -1,18 +0,0 @@ 
-/* Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c
deleted file mode 100644
index 52371a18b7..0000000000
--- a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c
+++ /dev/null
@@ -1,36 +0,0 @@ 
-/* Multiple versions of wcsrchr.
-   Copyright (C) 2013-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#if IS_IN (libc)
-# include <wchar.h>
-# include <shlib-compat.h>
-# include "init-arch.h"
-
-extern __typeof (wcsrchr) __wcsrchr_ppc attribute_hidden;
-extern __typeof (wcsrchr) __wcsrchr_power6 attribute_hidden;
-extern __typeof (wcsrchr) __wcsrchr_power7 attribute_hidden;
-
-libc_ifunc (wcsrchr,
-	     (hwcap & PPC_FEATURE_HAS_VSX)
-             ? __wcsrchr_power7 :
-	       (hwcap & PPC_FEATURE_ARCH_2_05)
-	       ? __wcsrchr_power6
-             : __wcsrchr_ppc);
-#else
-#include <wcsmbs/wcsrchr.c>
-#endif
diff --git a/sysdeps/powerpc/powerpc64/power6/wcsrchr.c b/sysdeps/powerpc/powerpc64/power6/wcsrchr.c
deleted file mode 100644
index b86472d7bd..0000000000
--- a/sysdeps/powerpc/powerpc64/power6/wcsrchr.c
+++ /dev/null
@@ -1 +0,0 @@ 
-#include <sysdeps/powerpc/power6/wcsrchr.c>