summary refs log tree commit diff
path: root/ports/sysdeps/m68k/fpu/fegetround.c
diff options
context:
space:
mode:
Diffstat (limited to 'ports/sysdeps/m68k/fpu/fegetround.c')
-rw-r--r--ports/sysdeps/m68k/fpu/fegetround.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/fpu/fegetround.c b/ports/sysdeps/m68k/fpu/fegetround.c
new file mode 100644
index 0000000000..7d09e0fd37
--- /dev/null
+++ b/ports/sysdeps/m68k/fpu/fegetround.c
@@ -0,0 +1,30 @@
+/* Return 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
+fegetround (void)
+{
+  int fpcr;
+
+  __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));
+
+  return fpcr & FE_UPWARD;
+}