Move m68k from ports to libc

1 files changed, 38 insertions, 0 deletions

diff --git a/sysdeps/m68k/fpu/fedisblxcpt.c b/sysdeps/m68k/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..4916bd6e38
--- /dev/null
+++ b/sysdeps/m68k/fpu/fedisblxcpt.c
@@ -0,0 +1,38 @@
+/* Disable floating-point exceptions.
+   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@suse.de>, 2000.
+
+   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
+fedisableexcept (int excepts)
+{
+  unsigned int old_exc, new_exc;
+
+  /* Get the current control register contents.  */
+  __asm__ ("fmove%.l %!,%0" : "=dm" (new_exc));
+
+  old_exc = (new_exc >> 6) & FE_ALL_EXCEPT;
+
+  excepts &= FE_ALL_EXCEPT;
+
+  new_exc &= ~(excepts << 6);
+  __asm__ ("fmove%.l %0,%!" : : "dm" (new_exc));
+
+  return old_exc;
+}