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[PATCH 16/36] PowerPC: wcschr multilib for PowerPC32
- From: Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>
- To: "GNU C. Library" <libc-alpha at sourceware dot org>
- Date: Mon, 19 Aug 2013 18:28:30 -0300
- Subject: [PATCH 16/36] PowerPC: wcschr multilib for PowerPC32
- References: <52127ABC dot 40008 at linux dot vnet dot ibm dot com>
2013-08-19 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc32/power6/wcschr.c: Move to ...
* sysdeps/powerpc/power6/wcschr.c: ... here.
* sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c: New file:
optimized POWER6 wcschr implementation for PPC32.
* sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c: New file:
optimized POWER7 wcschr implementation for PPC32.
* sysdeps/powerpc/powerpc32/multiarch/wcschr-ppc32.c: New file:
default wcschr implementation for PPC32.
* sysdeps/powerpc/powerpc32/multiarch/wcschr.c: New file:
multiarch wcschr for PPC32.
* sysdeps/powerpc/powerpc32/multiarch/Makefile: Added wcschr
multiarch objects.
* sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list
(__libc_ifunc_impl_list): Likewise.
* sysdeps/powerpc/powerpc64/power6/wcsrchr.c: Use
sysdeps/powerpc/power6/wcschr.c.
--
diff --git a/sysdeps/powerpc/power6/wcschr.c b/sysdeps/powerpc/power6/wcschr.c
new file mode 100644
index 0000000..7d8b5bd
--- /dev/null
+++ b/sysdeps/powerpc/power6/wcschr.c
@@ -0,0 +1,89 @@
+/* wcschr.c - Wide Character Search for powerpc32/power6.
+ Copyright (C) 2012-2013 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 <wchar.h>
+
+#ifndef WCSCHR
+# define WCSCHR wcschr
+#endif
+
+/* Find the first occurrence of WC in WCS. */
+wchar_t *
+WCSCHR (register const wchar_t *wcs, register const wchar_t wc)
+{
+ register const wchar_t *wcs2 = wcs + 1;
+
+ if (*wcs == wc)
+ return (wchar_t *) wcs;
+ if (*wcs == L'\0')
+ return NULL;
+
+ do
+ {
+ wcs += 2;
+
+ if (*wcs2 == wc)
+ return (wchar_t *) wcs2;
+ if (*wcs2 == L'\0')
+ return NULL;
+ wcs2 += 2;
+
+ if (*wcs == wc)
+ return (wchar_t *) wcs;
+ if (*wcs == L'\0')
+ return NULL;
+ wcs += 2;
+
+ if (*wcs2 == wc)
+ return (wchar_t *) wcs2;
+ if (*wcs2 == L'\0')
+ return NULL;
+ wcs2 += 2;
+
+ if (*wcs == wc)
+ return (wchar_t *) wcs;
+ if (*wcs == L'\0')
+ return NULL;
+ wcs += 2;
+
+ if (*wcs2 == wc)
+ return (wchar_t *) wcs2;
+ if (*wcs2 == L'\0')
+ return NULL;
+ wcs2 += 2;
+
+ if (*wcs == wc)
+ return (wchar_t *) wcs;
+ if (*wcs == L'\0')
+ return NULL;
+ wcs += 2;
+
+ if (*wcs2 == wc)
+ return (wchar_t *) wcs2;
+ if (*wcs2 == L'\0')
+ return NULL;
+ wcs2 += 2;
+
+ if (*wcs == wc)
+ return (wchar_t *) wcs;
+ }
+ while (*wcs != L'\0');
+
+ return NULL;
+}
+libc_hidden_def (wcschr)
diff --git a/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
index 35d6c7c..e8f2c30 100644
--- a/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc32/multiarch/ifunc-impl-list.c
@@ -124,6 +124,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
__strchr_power7)
IFUNC_IMPL_ADD (array, i, strchr, 1,
__strchr_ppc32))
+ /* Support sysdeps/powerpc/powerpc32/multiarch/wcschr.c. */
+ 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))
#ifdef SHARED
/* Support sysdeps/powerpc/powerpc32/multiarch/memset.c. */
diff --git a/sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c
new file mode 100644
index 0000000..54d9972
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power6.c
@@ -0,0 +1,26 @@
+/* wcschr.c - Wide Character Search for powerpc32/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 <wchar.h>
+
+#define WCSCHR __wcschr_power6
+
+#undef libc_hidden_def
+#define libc_hidden_def(name)
+
+#include <sysdeps/powerpc/power6/wcschr.c>
diff --git a/sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c
new file mode 100644
index 0000000..d7d8469
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr-power7.c
@@ -0,0 +1,26 @@
+/* wcschr.c - Wide Character Search for powerpc32/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 <wchar.h>
+
+#define WCSCHR __wcschr_power7
+
+#undef libc_hidden_def
+#define libc_hidden_def(name)
+
+#include <sysdeps/powerpc/power6/wcschr.c>
diff --git a/sysdeps/powerpc/powerpc32/multiarch/wcschr-ppc32.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr-ppc32.c
new file mode 100644
index 0000000..5afc124
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr-ppc32.c
@@ -0,0 +1,31 @@
+/* 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 <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/multiarch/wcschr.c b/sysdeps/powerpc/powerpc32/multiarch/wcschr.c
new file mode 100644
index 0000000..a4718a5
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/multiarch/wcschr.c
@@ -0,0 +1,38 @@
+/* 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
+#undef libc_hidden_def
+#define libc_hidden_def(a)
+#include <wcsmbs/wcschr.c>
+#endif
diff --git a/sysdeps/powerpc/powerpc32/power6/wcschr.c b/sysdeps/powerpc/powerpc32/power6/wcschr.c
deleted file mode 100644
index 1ba64e1..0000000
--- a/sysdeps/powerpc/powerpc32/power6/wcschr.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* wcschr.c - Wide Character Search for powerpc32/power6.
- Copyright (C) 2012-2013 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 <wchar.h>
-
-
-/* Find the first occurrence of WC in WCS. */
-wchar_t *
-wcschr (wcs, wc)
- const wchar_t *wcs;
- const wchar_t wc;
-{
- const wchar_t *wcs2 = wcs + 1;
-
- if (*wcs == wc)
- return (wchar_t *) wcs;
- if (*wcs == L'\0')
- return NULL;
-
- do
- {
- wcs += 2;
-
- if (*wcs2 == wc)
- return (wchar_t *) wcs2;
- if (*wcs2 == L'\0')
- return NULL;
- wcs2 += 2;
-
- if (*wcs == wc)
- return (wchar_t *) wcs;
- if (*wcs == L'\0')
- return NULL;
- wcs += 2;
-
- if (*wcs2 == wc)
- return (wchar_t *) wcs2;
- if (*wcs2 == L'\0')
- return NULL;
- wcs2 += 2;
-
- if (*wcs == wc)
- return (wchar_t *) wcs;
- if (*wcs == L'\0')
- return NULL;
- wcs += 2;
-
- if (*wcs2 == wc)
- return (wchar_t *) wcs2;
- if (*wcs2 == L'\0')
- return NULL;
- wcs2 += 2;
-
- if (*wcs == wc)
- return (wchar_t *) wcs;
- if (*wcs == L'\0')
- return NULL;
- wcs += 2;
-
- if (*wcs2 == wc)
- return (wchar_t *) wcs2;
- if (*wcs2 == L'\0')
- return NULL;
- wcs2 += 2;
-
- if (*wcs == wc)
- return (wchar_t *) wcs;
- }
- while (*wcs != L'\0');
-
- return NULL;
-}
-libc_hidden_def (wcschr)
diff --git a/sysdeps/powerpc/powerpc64/power6/wcschr.c b/sysdeps/powerpc/powerpc64/power6/wcschr.c
index 9136c02..ae04a13 100644
--- a/sysdeps/powerpc/powerpc64/power6/wcschr.c
+++ b/sysdeps/powerpc/powerpc64/power6/wcschr.c
@@ -1 +1 @@
-#include "../../powerpc32/power6/wcschr.c"
+#include <sysdeps/powerpc/power6/wcschr.c>