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-rw-r--r--REORG.TODO/sysdeps/s390/s390-64/memset.S64
1 files changed, 64 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/s390-64/memset.S b/REORG.TODO/sysdeps/s390/s390-64/memset.S
new file mode 100644
index 0000000000..e653f12134
--- /dev/null
+++ b/REORG.TODO/sysdeps/s390/s390-64/memset.S
@@ -0,0 +1,64 @@
+/* Set a block of memory to some byte value.  64 bit S/390 version.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   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 "asm-syntax.h"
+
+/* INPUT PARAMETERS
+     %r2 = address of memory area
+     %r3 = byte to fill memory with
+     %r4 = number of bytes to fill.  */
+
+       .text
+
+#ifdef USE_MULTIARCH
+ENTRY(__memset_default)
+#else
+ENTRY(memset)
+#endif
+	.machine "z900"
+	ltgr    %r4,%r4
+	je      .L_Z900_4
+	stc     %r3,0(%r2)
+	cghi    %r4,1
+	lgr     %r1,%r2
+	je      .L_Z900_4
+	aghi    %r4,-2
+	srlg    %r3,%r4,8
+	ltgr    %r3,%r3
+	jne     .L_Z900_14
+.L_Z900_3:
+	larl    %r3,.L_Z900_18
+	ex      %r4,0(%r3)
+.L_Z900_4:
+	br      %r14
+.L_Z900_14:
+	mvc     1(256,%r1),0(%r1)
+	la      %r1,256(%r1)
+	brctg   %r3,.L_Z900_14
+	j       .L_Z900_3
+.L_Z900_18:
+	mvc     1(1,%r1),0(%r1)
+#ifdef USE_MULTIARCH
+END(__memset_default)
+#else
+END(memset)
+libc_hidden_builtin_def (memset)
+#endif