+2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-power7.S: New
+ file.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-ppc32.c: New
+ file.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c: New
+ file: memrchr multiarch for PPC32.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Added memrchr
+ multiarch objects.
+ * sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list
+ (__libc_ifunc_impl_list): Likewise.
+
2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* string/memchr.c (__memchr): Using macro to redefine symbol name.
memcpy-ppc32 memcmp-power7 memcmp-ppc32 memset-power7 \
memset-power6 memset-ppc32 bzero-power7 bzero-power6 \
bzero-ppc32 mempcpy-power7 mempcpy-ppc32 memchr-power7 \
- memchr-ppc32
+ memchr-ppc32 memrchr-power7 memrchr-ppc32
endif
IFUNC_IMPL_ADD (array, i, memchr, 1,
__memchr_ppc))
+ /* Support sysdeps/powerpc/powerpc32/power4/multiarch/memrchr.c. */
+ IFUNC_IMPL (i, name, memrchr,
+ IFUNC_IMPL_ADD (array, i, memrchr,
+ hwcap & PPC_FEATURE_HAS_VSX,
+ __memrchr_power7)
+ IFUNC_IMPL_ADD (array, i, memrchr, 1,
+ __memrchr_ppc))
+
return i;
}
--- /dev/null
+/* Optimized memrchr implementation for PowerPC32/POWER7 using cmpb insn.
+ Copyright (C) 2010-2013 Free Software Foundation, Inc.
+ Contributed by Luis Machado <luisgpm@br.ibm.com>.
+ 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) \
+ .globl C_SYMBOL_NAME(__memrchr_power7); \
+ .type C_SYMBOL_NAME(__memrchr_power7),@function; \
+ C_LABEL(__memrchr_power7) \
+ cfi_startproc;
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(__memrchr_power7)
+
+#undef weak_alias
+#define weak_alias(name, alias)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#include <sysdeps/powerpc/powerpc32/power7/memrchr.S>
--- /dev/null
+/* PowerPC32 default implementation of memrchr.
+ 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
+# define MEMRCHR __memrchr_ppc
+# include <string.h>
+extern void *__memrchr_ppc (const void *, int, size_t);
+#endif
+
+#include <string/memrchr.c>
--- /dev/null
+/* Multiple versions of memrchr.
+ 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 <string.h>
+# include <shlib-compat.h>
+# include "init-arch.h"
+
+extern __typeof (__memrchr) __memrchr_ppc attribute_hidden;
+extern __typeof (__memrchr) __memrchr_power7 attribute_hidden;
+
+/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
+ ifunc symbol properly. */
+libc_ifunc (__memrchr,
+ (hwcap & PPC_FEATURE_HAS_VSX)
+ ? __memrchr_power7
+ : __memrchr_ppc);
+
+weak_alias (__memrchr, memrchr)
+#else
+#include <string/memrchr.c>
+#endif