PowerPC: multiarch memrchr for PowerPC32

1 files changed, 40 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-power7.S b/sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-power7.S
new file mode 100644
index 0000000000..cb2916c5c5
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/memrchr-power7.S
@@ -0,0 +1,40 @@
+/* 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>