1 files changed, 38 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/fpu/fesetround.c b/ports/sysdeps/m68k/fpu/fesetround.c
new file mode 100644
index 0000000000..bfc463d07a
--- /dev/null
+++ b/ports/sysdeps/m68k/fpu/fesetround.c
@@ -0,0 +1,38 @@
+/* Set current rounding direction.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+   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 <fenv.h>
+
+int
+fesetround (int round)
+{
+  fexcept_t fpcr;
+
+  if (round & ~FE_UPWARD)
+    /* ROUND is no valid rounding mode.  */
+    return 1;
+
+  __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));
+  fpcr &= ~FE_UPWARD;
+  fpcr |= round;
+  __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));
+
+  return 0;
+}
+libm_hidden_def (fesetround);