1 files changed, 41 insertions, 0 deletions
diff --git a/libm/metag/fesetround.c b/libm/metag/fesetround.c
new file mode 100644
index 000000000..2d5b2526f
--- /dev/null
+++ b/libm/metag/fesetround.c
@@ -0,0 +1,41 @@
+/* Set current rounding direction.
+   Copyright (C) 2013 Imagination Technologies Ltd.
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
+#include <unistd.h>
+
+int
+fesetround (int round)
+{
+  unsigned int txmode;
+
+  if ((round & ~0x3) != 0)
+    /* ROUND is no valid rounding mode.  */
+    return 1;
+
+  __asm__ ("MOV %0,TXMODE" : "=r" (txmode));
+
+  txmode &= ~(0x3 << 16);
+  /* Write rounding mode and guard bit.  */
+  txmode |= (0x1 << 18 ) | (round << 16);
+
+  __asm__ ("MOV TXMODE,%0" : : "r" (txmode));
+
+  return 0;
+}