Add femode_t functions: m68k.

This patch adds M68K versions of fegetmode and fesetmode.  Untested.

	* sysdeps/m68k/fpu/fegetmode.c: New file.
	* sysdeps/m69k/fpu/fesetmode.c: Likewise.

3 files changed, 62 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index efb1364120..b080b19758 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2016-09-07  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/m68k/fpu/fegetmode.c: New file.
+	* sysdeps/m69k/fpu/fesetmode.c: Likewise.
+
 	* sysdeps/ia64/fpu/fegetmode.c: New file.
 	* sysdeps/ia64/fpu/fesetmode.c: Likewise.
 
diff --git a/sysdeps/m68k/fpu/fegetmode.c b/sysdeps/m68k/fpu/fegetmode.c
new file mode 100644
index 0000000000..9a5698c6f3
--- /dev/null
+++ b/sysdeps/m68k/fpu/fegetmode.c
@@ -0,0 +1,27 @@
+/* Store current floating-point control modes.  M68K version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+  _FPU_GETCW (*modep);
+  return 0;
+}
diff --git a/sysdeps/m68k/fpu/fesetmode.c b/sysdeps/m68k/fpu/fesetmode.c
new file mode 100644
index 0000000000..2a45f72fba
--- /dev/null
+++ b/sysdeps/m68k/fpu/fesetmode.c
@@ -0,0 +1,32 @@
+/* Install given floating-point control modes.  M68K version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetmode (const femode_t *modep)
+{
+  femode_t mode;
+  if (modep == FE_DFL_MODE)
+    mode = _FPU_DEFAULT;
+  else
+    mode = *modep;
+  _FPU_SETCW (mode);
+  return 0;
+}