aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-12-13 14:49:54 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-12-13 14:49:54 -0500
commit372dc060e0a25044ba5a797c71fb0ee53921fe47 (patch)
tree915d6c37fac1ea46f1eefeecdf08a625fe283696
parent24c2c3b99699b7cb7cc3c251d9bd504b2cde6a45 (diff)
downloadglibc-372dc060e0a25044ba5a797c71fb0ee53921fe47.tar
glibc-372dc060e0a25044ba5a797c71fb0ee53921fe47.tar.gz
glibc-372dc060e0a25044ba5a797c71fb0ee53921fe47.tar.bz2
glibc-372dc060e0a25044ba5a797c71fb0ee53921fe47.zip
PowerPC: multiarch strchr for PowerPC64
-rw-r--r--ChangeLog12
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/Makefile2
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c8
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S18
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S39
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S42
-rw-r--r--sysdeps/powerpc/powerpc64/multiarch/strchr.c35
7 files changed, 155 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d031f70d7a..afd151f2ef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,17 @@
2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+ * sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strchr multiarch
+ implementations.
+ * sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+ (__libc_ifunc_impl_list): Likewise.
+ * sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S: New file.
+ * sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S: New file.
+ * sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S: New file.
+ * sysdeps/powerpc/powerpc64/multiarch/strchr.c: New file: multiarch
+ strchr for PPC64.
+
+2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strncmp multiarch
implementations.
* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile
index 06fe7189cb..2de18dd3b8 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/Makefile
+++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile
@@ -8,7 +8,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \
strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \
strncase-power7 strncase_l-power7 strncmp-power7 \
- strncmp-power4 strncmp-ppc64
+ strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64
CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index d6b92dcfa3..a0294883d4 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -86,6 +86,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
__strncmp_power4)
IFUNC_IMPL_ADD (array, i, strncmp, 1,
__strncmp_ppc))
+
+ /* Support sysdeps/powerpc/powerpc64/multiarch/strchr.c. */
+ IFUNC_IMPL (i, name, strchr,
+ IFUNC_IMPL_ADD (array, i, strchr,
+ hwcap & PPC_FEATURE_HAS_VSX,
+ __strchr_power7)
+ IFUNC_IMPL_ADD (array, i, strchr, 1,
+ __strchr_ppc))
#endif
/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
diff --git a/sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S b/sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S
new file mode 100644
index 0000000000..93f0eb49ee
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/rtld-strchr.S
@@ -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/powerpc64/strchr.S>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S b/sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S
new file mode 100644
index 0000000000..b1cf338e47
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchr-power7.S
@@ -0,0 +1,39 @@
+/* Optimized strchr implementation for 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; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+#undef ENTRY
+#define ENTRY(name) \
+ .section ".text"; \
+ ENTRY_2(__strchr_power7) \
+ .align ALIGNARG(2); \
+ BODY_LABEL(__strchr_power7): \
+ cfi_startproc; \
+ LOCALENTRY(__strchr_power7)
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ TRACEBACK(__strchr_power7) \
+ END_2(__strchr_power7)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#include <sysdeps/powerpc/powerpc64/power7/strchr.S>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S b/sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S
new file mode 100644
index 0000000000..814ed87d01
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchr-ppc64.S
@@ -0,0 +1,42 @@
+/* PowerPC64 default implementation of strchr.
+ 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 <sysdep.h>
+
+#ifdef SHARED
+# undef ENTRY
+# define ENTRY(name) \
+ .section ".text"; \
+ ENTRY_2(__strchr_ppc) \
+ .align ALIGNARG(2); \
+ BODY_LABEL(__strchr_ppc): \
+ cfi_startproc; \
+ LOCALENTRY(__strchr_ppc)
+
+# undef END
+# define END(name) \
+ cfi_endproc; \
+ TRACEBACK(__strchr_ppc) \
+ END_2(__strchr_ppc)
+
+# undef libc_hidden_builtin_def
+# define libc_hidden_builtin_def(name) \
+ .globl __GI_strchr; __GI_strchr = __strchr_ppc
+#endif
+
+#include <sysdeps/powerpc/powerpc64/strchr.S>
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr.c b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
new file mode 100644
index 0000000000..8a7dc74833
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
@@ -0,0 +1,35 @@
+/* Multiple versions of strchr.
+ 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 multiple versions only for definition in libc. */
+#if defined SHARED && !defined NOT_IN_libc
+# include <string.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (strchr) __strchr_ppc attribute_hidden;
+extern __typeof (strchr) __strchr_power7 attribute_hidden;
+
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
+ ifunc symbol properly. */
+libc_ifunc (strchr,
+ (hwcap & PPC_FEATURE_HAS_VSX)
+ ? __strchr_power7
+ : __strchr_ppc);
+weak_alias (strchr, index)
+#endif