From 0c36ea57312ce701930b879d49b3f64cead222d8 Mon Sep 17 00:00:00 2001

From: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>

Date: Wed, 30 Jul 2014 05:48:25 -0500

Subject: [PATCH] PowerPC: multiarch strncasecmp for PowerPC64

commit 1c92d9a0e0be6175915128157036cf138ef64af8

Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>

Date:   Fri Dec 13 14:40:28 2013 -0500

---

 sysdeps/powerpc/powerpc64/multiarch/Makefile       |  6 +++-

 .../powerpc/powerpc64/multiarch/ifunc-impl-list.c  | 15 ++++++++

 .../powerpc/powerpc64/multiarch/strncase-power7.c  | 24 +++++++++++++

 sysdeps/powerpc/powerpc64/multiarch/strncase.c     | 41 +++++++++++++++++++++

 .../powerpc64/multiarch/strncase_l-power7.c        | 25 +++++++++++++

 sysdeps/powerpc/powerpc64/multiarch/strncase_l.c   | 42 ++++++++++++++++++++++

 6 files changed, 152 insertions(+), 1 deletion(-)

 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncase-power7.c

 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncase.c

 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncase_l-power7.c

 create mode 100644 sysdeps/powerpc/powerpc64/multiarch/strncase_l.c

diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile

index 5e172da..4dca756 100644

--- a/sysdeps/powerpc/powerpc64/multiarch/Makefile

+++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile

@@ -6,5 +6,9 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \

                   mempcpy-power7 mempcpy-ppc64 memchr-power7 memchr-ppc64 \

                   memrchr-power7 memrchr-ppc64 rawmemchr-power7 \

                   rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \

-                  strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7

+                  strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \

+                  strncase-power7 strncase_l-power7

+

+CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops

+CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops

 endif

diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c

index ba78d97..4b8fb22 100644

--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c

+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c

@@ -151,5 +151,20 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,

              IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,

                              __strcasecmp_l_ppc))

+  /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c.  */

+  IFUNC_IMPL (i, name, strncasecmp,

+             IFUNC_IMPL_ADD (array, i, strncasecmp,

+                             hwcap & PPC_FEATURE_HAS_VSX,

+                             __strncasecmp_power7)

+             IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))

+

+  /* Support sysdeps/powerpc/powerpc64/multiarch/strncase_l.c.  */

+  IFUNC_IMPL (i, name, strncasecmp_l,

+             IFUNC_IMPL_ADD (array, i, strncasecmp_l,

+                             hwcap & PPC_FEATURE_HAS_VSX,

+                             __strncasecmp_l_power7)

+             IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,

+                             __strncasecmp_l_ppc))

+

   return i;

 }

diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase-power7.c b/sysdeps/powerpc/powerpc64/multiarch/strncase-power7.c

new file mode 100644

index 0000000..9c5dbab

--- /dev/null

+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase-power7.c

@@ -0,0 +1,24 @@

+/* 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 <string.h>

+

+#define __strncasecmp __strncasecmp_power7

+

+extern __typeof (strncasecmp) __strncasecmp_power7 attribute_hidden;

+

+#include <string/strncase.c>

diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase.c b/sysdeps/powerpc/powerpc64/multiarch/strncase.c

new file mode 100644

index 0000000..05eba7c

--- /dev/null

+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase.c

@@ -0,0 +1,41 @@

+/* Multiple versions of strncasecmp

+   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 <string.h>

+# define strncasecmp __strncasecmp_ppc

+extern __typeof (__strncasecmp) __strncasecmp_ppc attribute_hidden;

+extern __typeof (__strncasecmp) __strncasecmp_power7 attribute_hidden;

+#endif

+

+#include <string/strncase.c>

+#undef strncasecmp

+

+#ifndef NOT_IN_libc

+# include <shlib-compat.h>

+# include "init-arch.h"

+

+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle

+   ifunc symbol properly.  */

+extern __typeof (__strncasecmp) __libc_strncasecmp;

+libc_ifunc (__libc_strncasecmp,

+	     (hwcap & PPC_FEATURE_HAS_VSX)

+             ? __strncasecmp_power7

+             : __strncasecmp_ppc);

+weak_alias (__libc_strncasecmp, strncasecmp)

+#endif

diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase_l-power7.c b/sysdeps/powerpc/powerpc64/multiarch/strncase_l-power7.c

new file mode 100644

index 0000000..8c8cd8d

--- /dev/null

+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase_l-power7.c

@@ -0,0 +1,25 @@

+/* 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 <string.h>

+

+#define __strncasecmp_l __strncasecmp_l_power7

+#define USE_IN_EXTENDED_LOCALE_MODEL    1

+

+extern __typeof (strncasecmp_l) __strncasecmp_l_power7 attribute_hidden;

+

+#include <string/strncase.c>

diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c

new file mode 100644

index 0000000..4014269

--- /dev/null

+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c

@@ -0,0 +1,42 @@

+/* Multiple versions of strncasecmp_l

+   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 <string.h>

+# define strncasecmp_l __strncasecmp_l_ppc

+extern __typeof (__strncasecmp_l) __strncasecmp_l_ppc attribute_hidden;

+extern __typeof (__strncasecmp_l) __strncasecmp_l_power7 attribute_hidden;

+#endif

+

+#include <string/strncase_l.c>

+#undef strncasecmp_l

+

+#ifndef NOT_IN_libc

+# include <shlib-compat.h>

+# include "init-arch.h"

+

+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle

+   ifunc symbol properly.  */

+extern __typeof (__strncasecmp_l) __libc_strncasecmp_l;

+libc_ifunc (__libc_strncasecmp_l,

+	     (hwcap & PPC_FEATURE_HAS_VSX)

+             ? __strncasecmp_l_power7

+             : __strncasecmp_l_ppc);

+

+weak_alias (__libc_strncasecmp_l, strncasecmp_l)

+#endif

-- 

1.8.3.1