Blob Blame History Raw
From 62edac04130e7d91b0d4872376bdaa976065fd25 Mon Sep 17 00:00:00 2001
From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Date: Wed, 30 Jul 2014 07:40:10 -0500
Subject: [PATCH] PowerPC: multiarch wcsrchr for PowerPC64

commit 7b714620a7146104aaf863ba1dbe386beedbcc0a
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Fri Dec 13 14:52:48 2013 -0500

Added the following files apart from original commit.
sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c
sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c
sysdeps/powerpc/powerpc64/power6/wcsrchr.c
wcsmbs/wcsrchr.c
---
 sysdeps/powerpc/power6/wcsrchr.c                   | 89 ++++++++++++++++++++++
 .../powerpc32/power4/multiarch/wcsrchr-power6.c    | 20 +++++
 .../powerpc32/power4/multiarch/wcsrchr-power7.c    | 20 +++++
 .../powerpc32/power4/multiarch/wcsrchr-ppc32.c     | 26 +++++++
 sysdeps/powerpc/powerpc64/multiarch/Makefile       |  5 +-
 .../powerpc/powerpc64/multiarch/ifunc-impl-list.c  | 11 +++
 .../powerpc/powerpc64/multiarch/wcsrchr-power6.c   | 19 +++++
 .../powerpc/powerpc64/multiarch/wcsrchr-power7.c   | 19 +++++
 .../powerpc/powerpc64/multiarch/wcsrchr-ppc64.c    | 18 +++++
 sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c      | 36 +++++++++
 sysdeps/powerpc/powerpc64/power6/wcsrchr.c         |  2 +-
 wcsmbs/wcsrchr.c                                   |  5 +-
 12 files changed, 267 insertions(+), 3 deletions(-)
 create mode 100644 sysdeps/powerpc/power6/wcsrchr.c
 create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
 create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c
 create mode 100644 sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power7.c
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c
 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c

diff --git a/sysdeps/powerpc/power6/wcsrchr.c b/sysdeps/powerpc/power6/wcsrchr.c
new file mode 100644
index 0000000..278d98d
--- /dev/null
+++ b/sysdeps/powerpc/power6/wcsrchr.c
@@ -0,0 +1,89 @@
+/* wcsrchr.c - Wide Character Reverse Search for POWER6+.
+   Copyright (C) 2012-2014 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/wcsrchr-power6.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
new file mode 100644
index 0000000..bd77eb3
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2013-2014 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
new file mode 100644
index 0000000..829a434
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2013-2014 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
new file mode 100644
index 0000000..9c7fe2d
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2013-2014 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>
+
+#ifndef NOT_IN_libc
+# define WCSRCHR  __wcsrchr_ppc
+#endif
+
+extern __typeof (wcsrchr) __wcsrchr_ppc;
+
+#include <wcsmbs/wcsrchr.c>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile
index ff3b8cf..b4504b7 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile
@@ -10,10 +10,13 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
                   strncase-power7 strncase_l-power7 strncmp-power7 \
                   strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 \
                   strchrnul-power7 strchrnul-ppc64 wcschr-power7 \
-                  wcschr-power6 wcschr-ppc64
+                  wcschr-power6 wcschr-ppc64 wcsrchr-power7 wcsrchr-power6 \
+                  wcsrchr-ppc64
 
 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
 CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
 CFLAGS-wcschr-power7.c += -mcpu=power7
 CFLAGS-wcschr-power6.c += -mcpu=power6
+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 cc932c9..6c7422c 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -202,5 +202,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
              IFUNC_IMPL_ADD (array, i, wcschr, 1,
                              __wcschr_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))
+
   return i;
 }
diff --git a/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c
new file mode 100644
index 0000000..da6f27b
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c
@@ -0,0 +1,19 @@
+/* wcsrchr.c - Wide Character Search for powerpc64/power6.
+   Copyright (C) 2013-2014 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
new file mode 100644
index 0000000..60f07a8
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power7.c
@@ -0,0 +1,19 @@
+/* wcsrchr.c - Wide Character Search for powerpc64/power7.
+   Copyright (C) 2013-2014 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
new file mode 100644
index 0000000..1fff510
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c
@@ -0,0 +1,18 @@
+/* Copyright (C) 2013-2014 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
new file mode 100644
index 0000000..3d0ab42
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c
@@ -0,0 +1,36 @@
+/* Multiple versions of wcsrchr.
+   Copyright (C) 2013-2014 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 (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
index 2327c05..b86472d 100644
--- a/sysdeps/powerpc/powerpc64/power6/wcsrchr.c
+++ b/sysdeps/powerpc/powerpc64/power6/wcsrchr.c
@@ -1 +1 @@
-#include "../../powerpc32/power6/wcsrchr.c"
+#include <sysdeps/powerpc/power6/wcsrchr.c>
diff --git a/wcsmbs/wcsrchr.c b/wcsmbs/wcsrchr.c
index c1b5a59..27c94c5 100644
--- a/wcsmbs/wcsrchr.c
+++ b/wcsmbs/wcsrchr.c
@@ -18,10 +18,13 @@
 
 #include <wchar.h>
 
+#ifndef WCSRCHR
+# define WCSRCHR wcsrchr
+#endif
 
 /* Find the last occurrence of WC in WCS.  */
 wchar_t *
-wcsrchr (wcs, wc)
+WCSRCHR (wcs, wc)
      register const wchar_t *wcs;
      register const wchar_t wc;
 {
-- 
1.8.3.1