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-rw-r--r--sysdeps/s390/fpu/fesetround.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/s390/fpu/fesetround.c b/sysdeps/s390/fpu/fesetround.c
new file mode 100644
index 0000000000..ba8c1b0be3
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+++ b/sysdeps/s390/fpu/fesetround.c
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+/* Set current rounding direction.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetround (int round)
+{
+  if ((round|FPC_RM_MASK) != FPC_RM_MASK)
+    {
+      /* ROUND is not a valid rounding mode.  */
+      return 1;
+    }
+  __asm__ volatile ("srnm 0(%0)"
+		    :
+		    : "a" (round));
+  
+  return 0;
+}