This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

[PATCH 17/21] PowerPC: multiarch wcsrchr for PowerPC64

From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
To: "GNU C. Library" <libc-alpha at sourceware dot org>
Date: Tue, 10 Dec 2013 10:30:21 -0200
Subject: [PATCH 17/21] PowerPC: multiarch wcsrchr for PowerPC64
Authentication-results: sourceware.org; auth=none
References: <52A700A8 dot 3020307 at linux dot vnet dot ibm dot com>

2013-12-09  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>

	* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add wcsrchr
	multiarch implementations.
	* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Likewise.
	* sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power6.c: New file.
	* sysdeps/powerpc/powerpc64/multiarch/wcsrchr-power7.c: New file.
	* sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c: New file.
	* sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c : New file:
	multiarch wcsrchr for PPC64.

--

diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile
index 438201d..515676f 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 6c46fe2..dedd498 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..d1b29b1
--- /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 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..a2717bc
--- /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 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..3e698a5
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr-ppc64.c
@@ -0,0 +1,18 @@
+/* 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/>.  */
+
+#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..01470c9
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/wcsrchr.c
@@ -0,0 +1,36 @@
+/* Multiple versions of wcsrchr.
+   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 (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

Follow-Ups:
- Re: [PATCH 17/21] PowerPC: multiarch wcsrchr for PowerPC64
  - From: Steven Munroe

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]