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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-10-14 08:12:13 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-12-06 05:47:00 -0600
commit3148bb7d2ca1239dff3f76a39cb60cd8c4302392 (patch)
tree9098451e8c8332d59ce0883e8783ce13a18eb30b /sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S
parent7af8b946254cca6485aa789359c339ec7126cd8a (diff)
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PowerPC: multiarch strlen for PowerPC32
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S')
-rw-r--r--sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S
new file mode 100644
index 0000000000..cde958aa1a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/strlen-power7.S
@@ -0,0 +1,36 @@
+/* Optimized strlen implementation for PowerPC32/POWER7 using cmpb insn.
+   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)						\
+ .globl C_SYMBOL_NAME(__strlen_power7);				\
+ .type C_SYMBOL_NAME(__strlen_power7),@function;		\
+ C_LABEL(__strlen_power7)					\
+ cfi_startproc;
+
+#undef END
+#define END(name)						\
+ cfi_endproc;							\
+ ASM_SIZE_DIRECTIVE(__strlen_power7)
+
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(name)
+
+#include <sysdeps/powerpc/powerpc32/power7/strlen.S>