PowerPC: wcschr ifunc for PowerPC32

5 files changed, 73 insertions, 4 deletions

diff --git a/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
index faeef4a91c..b92152eef4 100644
--- a/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
@@ -155,6 +155,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      __strchrnul_power7)
 	      IFUNC_IMPL_ADD (array, i, strchrnul, 1,
 			      __strchrnul_ppc32))
+
+  IFUNC_IMPL (i, name, wcschr,
+	      IFUNC_IMPL_ADD (array, i, wcschr,
+			      hwcap & PPC_FEATURE_HAS_VSX,
+			      __wcschr_power7)
+	      IFUNC_IMPL_ADD (array, i, wcschr,
+			      hwcap & PPC_FEATURE_ARCH_2_05,
+			      __wcschr_power6)
+	      IFUNC_IMPL_ADD (array, i, wcschr, 1,
+			      __wcschr_ppc32))
 #endif
 
   return i;
diff --git a/sysdeps/powerpc/powerpc32/multiarch/wcschr-c.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr-c.c
new file mode 100644
index 0000000000..19396d5d74
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr-c.c
@@ -0,0 +1,14 @@
+#include <wchar.h>
+
+#ifndef NOT_IN_libc
+# ifdef SHARED
+#   undef libc_hidden_def
+#   define libc_hidden_def(name)  \
+    __hidden_ver1 (__wcschr_ppc32, __GI_wcschr, __wcschr_ppc32);
+# endif
+# define WCSCHR  __wcschr_ppc32
+#endif
+
+extern __typeof (wcschr) __wcschr_ppc32;
+
+#include "wcsmbs/wcschr.c"
diff --git a/sysdeps/powerpc/powerpc32/power6/wcschr.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c
index a989877bb8..e6b81188e4 100644
--- a/sysdeps/powerpc/powerpc32/power6/wcschr.c
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c
@@ -18,12 +18,19 @@
 
 #include <wchar.h>
 
+#ifdef WCSCHR
+# define __wcschr_power6 WCSCHR
+#endif
+#ifndef WCSCHR_ARCH
+# define WCSCHR_ARCH "power6"
+#endif
+
+__typeof (wcschr) __wcschr_power6
+  __attribute__ ((__target__ ("cpu=" WCSCHR_ARCH)));
 
 /* Find the first occurrence of WC in WCS.  */
 wchar_t *
-wcschr (wcs, wc)
-     register const wchar_t *wcs;
-     register const wchar_t wc;
+__wcschr_power6 (register const wchar_t *wcs, register const wchar_t wc)
 {
   register const wchar_t *wcs2 = wcs + 1;
 
@@ -85,4 +92,3 @@ wcschr (wcs, wc)
 
   return NULL;
 }
-libc_hidden_def (wcschr)
diff --git a/sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c
new file mode 100644
index 0000000000..c573681cce
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c
@@ -0,0 +1,3 @@
+#define WCSCHR      __wcschr_power7
+#define WCSCHR_ARCH "power7"
+#include <sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c>
diff --git a/sysdeps/powerpc/powerpc32/multiarch/wcschr.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr.c
new file mode 100644
index 0000000000..3c3e573798
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr.c
@@ -0,0 +1,36 @@
+/* Multiple versions of wcschr
+   Copyright (C) 2013 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/>.  */
+
+#ifndef NOT_IN_libc
+# include <wchar.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (wcschr) __wcschr_ppc32 attribute_hidden;
+extern __typeof (wcschr) __wcschr_power6 attribute_hidden;
+extern __typeof (wcschr) __wcschr_power7 attribute_hidden;
+
+libc_ifunc (wcschr,
+	     (hwcap & PPC_FEATURE_HAS_VSX)
+             ? __wcschr_power7 :
+	       (hwcap & PPC_FEATURE_ARCH_2_05)
+	       ? __wcschr_power6
+             : __wcschr_ppc32);
+#else
+#include "wcsmbs/wcschr.c"
+#endif