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-rw-r--r--ports/sysdeps/ia64/fpu/get-rounding-mode.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/ports/sysdeps/ia64/fpu/get-rounding-mode.h b/ports/sysdeps/ia64/fpu/get-rounding-mode.h
new file mode 100644
index 0000000000..1e184730e5
--- /dev/null
+++ b/ports/sysdeps/ia64/fpu/get-rounding-mode.h
@@ -0,0 +1,37 @@
+/* Return current rounding direction within libc.  IA64 version.
+   Copyright (C) 1999-2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   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/>.  */
+
+#ifndef IA64_GET_ROUNDING_MODE_H
+#define IA64_GET_ROUNDING_MODE_H	1
+
+#include <fenv.h>
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  fenv_t fpsr;
+
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  return (fpsr >> 10) & 3;
+}
+
+#endif /* get-rounding-mode.h */