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-rw-r--r--sysdeps/i386/i686/multiarch/memchr-ia32.S35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/memchr-ia32.S b/sysdeps/i386/i686/multiarch/memchr-ia32.S
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index 0000000000..26638210f2
--- /dev/null
+++ b/sysdeps/i386/i686/multiarch/memchr-ia32.S
@@ -0,0 +1,35 @@
+/* memchr optimized for i686.
+   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/>.  */
+
+#if IS_IN (libc)
+# define __memchr __memchr_ia32
+
+# ifdef SHARED
+#  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_builtin_def(name) \
+	.globl __GI_memchr; __GI_memchr = __memchr
+# endif
+
+# undef weak_alias
+# define weak_alias(original, alias)
+#endif
+
+#include <sysdeps/i386/memchr.S>