summaryrefslogtreecommitdiff
path: root/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S')
-rw-r--r--sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S
new file mode 100644
index 0000000000..7c6163ddcb
--- /dev/null
+++ b/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S
@@ -0,0 +1,33 @@
+/* memmove with SSE2.
+ Copyright (C) 2017-2018 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/>. */
+
+#if IS_IN (libc)
+# define MEMMOVE_SYMBOL(p,s) p##_sse2_##s
+#else
+weak_alias (__mempcpy, mempcpy)
+#endif
+
+#include <sysdeps/x86_64/memmove.S>
+
+#if defined SHARED && IS_IN (libc)
+# include <shlib-compat.h>
+# if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14)
+/* Use __memmove_sse2_unaligned to support overlapping addresses. */
+compat_symbol (libc, __memmove_sse2_unaligned, memcpy, GLIBC_2_2_5);
+# endif
+#endif