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-rw-r--r--sysdeps/s390/bzero.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/s390/bzero.c b/sysdeps/s390/bzero.c
new file mode 100644
index 0000000000..9f8d95781b
--- /dev/null
+++ b/sysdeps/s390/bzero.c
@@ -0,0 +1,47 @@
+/* Multiple versions of bzero.
+   Copyright (C) 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/>.  */
+
+#include <ifunc-memset.h>
+#if HAVE_MEMSET_IFUNC
+# include <string.h>
+# include <ifunc-resolve.h>
+
+# if HAVE_MEMSET_Z900_G5
+extern __typeof (__bzero) BZERO_Z900_G5 attribute_hidden;
+# endif
+
+# if HAVE_MEMSET_Z10
+extern __typeof (__bzero) BZERO_Z10 attribute_hidden;
+# endif
+
+# if HAVE_MEMSET_Z196
+extern __typeof (__bzero) BZERO_Z196 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__bzero, __bzero,
+		      ({
+			s390_libc_ifunc_init ();
+			(HAVE_MEMSET_Z196 && S390_IS_Z196 (stfle_bits))
+			  ? BZERO_Z196
+			  : (HAVE_MEMSET_Z10 && S390_IS_Z10 (stfle_bits))
+			  ? BZERO_Z10
+			  : BZERO_DEFAULT;
+		      })
+		      )
+weak_alias (__bzero, bzero)
+#endif