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[PATCH 17/19] PowerPC: multiarch wcsrchr 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: Thu, 31 Oct 2013 10:12:15 -0200
- Subject: [PATCH 17/19] PowerPC: multiarch wcsrchr for PowerPC32
- Authentication-results: sourceware.org; auth=none
- References: <52724052 dot 3070609 at linux dot vnet dot ibm dot com>
2013-08-19 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* wcsmbs/wcsrchr.c (wcsrchr): Using macro to redefine symbol name
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c: New
file.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c: New
file.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c: New
file.
* sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c: New file:
multiarch wcsrchr for PPC32.
* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added wcschr
multiarch objects.
* sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list
(__libc_ifunc_impl_list): Likewise.
* sysdeps/powerpc/powerpc32/power6/wcsrchr.c: Move ...
* sysdeps/powerpc/power6/wcsrchr.c: ... to here.
* sysdeps/powerpc/powerpc64/power6/wcsrchr.c: Adjust to use
sysdeps/powerpc/power6/wcsrchr.c.
--
diff --git a/sysdeps/powerpc/power6/wcsrchr.c b/sysdeps/powerpc/power6/wcsrchr.c
new file mode 100644
index 0000000..5602be3
--- /dev/null
+++ b/sysdeps/powerpc/power6/wcsrchr.c
@@ -0,0 +1,89 @@
+/* wcsrchr.c - Wide Character Reverse Search for 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 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/Makefile b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
index 12b180e..4af490e 100644
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
@@ -9,10 +9,12 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
strcasecmp-power7 strcasecmp_l-power7 strncase-power7 \
strncase_l-power7 strchrnul-power7 strchrnul-ppc32 \
strchr-power7 strchr-ppc32 wcschr-power7 wcschr-power6 \
- wcschr-ppc32
+ wcschr-ppc32 wcsrchr-power7 wcsrchr-power6 wcsrchr-ppc32
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/powerpc32/power4/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
index a602bea..7ac5c4a 100644
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
@@ -192,5 +192,16 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
IFUNC_IMPL_ADD (array, i, wcschr, 1,
__wcschr_ppc))
+ /* Support sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.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/powerpc32/power4/multiarch/wcsrchr-power6.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
new file mode 100644
index 0000000..68fe477
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power6.c
@@ -0,0 +1,20 @@
+/* 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/>. */
+
+#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..3422816
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-power7.c
@@ -0,0 +1,20 @@
+/* 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/>. */
+
+#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..b33eada
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr-ppc32.c
@@ -0,0 +1,26 @@
+/* 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
+# define WCSRCHR __wcsrchr_ppc
+#endif
+
+extern __typeof (wcsrchr) __wcsrchr_ppc;
+
+#include <wcsmbs/wcsrchr.c>
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c b/sysdeps/powerpc/powerpc32/power4/multiarch/wcsrchr.c
new file mode 100644
index 0000000..cd0b87e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/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
diff --git a/sysdeps/powerpc/powerpc32/power6/wcsrchr.c b/sysdeps/powerpc/powerpc32/power6/wcsrchr.c
deleted file mode 100644
index 8d26af0..0000000
--- a/sysdeps/powerpc/powerpc32/power6/wcsrchr.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* wcsrchr.c - Wide Character Reverse 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 last occurrence of WC in WCS. */
-wchar_t *
-wcsrchr (wcs, wc)
- 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/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 e30b851..a8e7c5e 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)
const wchar_t *wcs;
const wchar_t wc;
{