1 files changed, 81 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/i386/i686/multiarch/mempcpy.S b/REORG.TODO/sysdeps/i386/i686/multiarch/mempcpy.S
new file mode 100644
index 0000000000..06e377fbc9
--- /dev/null
+++ b/REORG.TODO/sysdeps/i386/i686/multiarch/mempcpy.S
@@ -0,0 +1,81 @@
+/* Multiple versions of mempcpy
+   All versions must be listed in ifunc-impl-list.c.
+   Copyright (C) 2010-2017 Free Software Foundation, Inc.
+   Contributed by Intel Corporation.
+   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>
+#include <init-arch.h>
+
+/* Define multiple versions only for the definition in lib and for
+   DSO.  In static binaries we need mempcpy before the initialization
+   happened.  */
+#if defined SHARED && IS_IN (libc)
+	.text
+ENTRY(__mempcpy)
+	.type	__mempcpy, @gnu_indirect_function
+	LOAD_GOT_AND_RTLD_GLOBAL_RO
+	LOAD_FUNC_GOT_EAX (__mempcpy_ia32)
+	HAS_CPU_FEATURE (SSE2)
+	jz	2f
+	LOAD_FUNC_GOT_EAX (__mempcpy_sse2_unaligned)
+	HAS_ARCH_FEATURE (Fast_Unaligned_Load)
+	jnz	2f
+	HAS_CPU_FEATURE (SSSE3)
+	jz	2f
+	LOAD_FUNC_GOT_EAX (__mempcpy_ssse3)
+	HAS_ARCH_FEATURE (Fast_Rep_String)
+	jz	2f
+	LOAD_FUNC_GOT_EAX (__mempcpy_ssse3_rep)
+2:	ret
+END(__mempcpy)
+
+# undef ENTRY
+# define ENTRY(name) \
+	.type __mempcpy_ia32, @function; \
+	.p2align 4; \
+	.globl __mempcpy_ia32; \
+	.hidden __mempcpy_ia32; \
+	__mempcpy_ia32: cfi_startproc; \
+	CALL_MCOUNT
+# undef END
+# define END(name) \
+	cfi_endproc; .size __mempcpy_ia32, .-__mempcpy_ia32
+
+# undef ENTRY_CHK
+# define ENTRY_CHK(name) \
+	.type __mempcpy_chk_ia32, @function; \
+	.globl __mempcpy_chk_ia32; \
+	.p2align 4; \
+	__mempcpy_chk_ia32: cfi_startproc; \
+	CALL_MCOUNT
+# undef END_CHK
+# define END_CHK(name) \
+	cfi_endproc; .size __mempcpy_chk_ia32, .-__mempcpy_chk_ia32
+
+# undef libc_hidden_def
+# undef libc_hidden_builtin_def
+/* IFUNC doesn't work with the hidden functions in shared library since
+   they will be called without setting up EBX needed for PLT which is
+   used by IFUNC.  */
+# define libc_hidden_def(name) \
+	.globl __GI_mempcpy; __GI_mempcpy = __mempcpy_ia32
+# define libc_hidden_builtin_def(name) \
+	.globl __GI___mempcpy; __GI___mempcpy = __mempcpy_ia32
+#endif
+
+#include "../mempcpy.S"