1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/ifunc-memmove.h b/sysdeps/i386/i686/multiarch/ifunc-memmove.h
new file mode 100644
index 0000000000..9c71414480
--- /dev/null
+++ b/sysdeps/i386/i686/multiarch/ifunc-memmove.h
@@ -0,0 +1,45 @@
+/* Common definition for memmove/memmove_chk ifunc selections.
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2017 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 <init-arch.h>
+
+extern __typeof (REDIRECT_NAME) OPTIMIZE (ia32) attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2_unaligned)
+  attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3_rep) attribute_hidden;
+
+static inline void *
+IFUNC_SELECTOR (void)
+{
+  const struct cpu_features* cpu_features = __get_cpu_features ();
+
+  if (CPU_FEATURES_ARCH_P (cpu_features, Fast_Unaligned_Load))
+    return OPTIMIZE (sse2_unaligned);
+
+  if (CPU_FEATURES_CPU_P (cpu_features, SSSE3))
+    {
+      if (CPU_FEATURES_ARCH_P (cpu_features, Fast_Rep_String))
+	return OPTIMIZE (ssse3_rep);
+
+      return OPTIMIZE (ssse3);
+    }
+
+  return OPTIMIZE (ia32);
+}