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-rw-r--r--sysdeps/arm/setfpucw.c43
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diff --git a/sysdeps/arm/setfpucw.c b/sysdeps/arm/setfpucw.c
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+/* Set the FPU control word.
+ Copyright (C) 1996-2014 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 <math.h>
+#include <fpu_control.h>
+#include <arm-features.h>
+
+
+void
+__setfpucw (fpu_control_t set)
+{
+ if (ARM_HAVE_VFP)
+ {
+ fpu_control_t cw;
+
+ /* Fetch the current control word. */
+ _FPU_GETCW (cw);
+
+ /* Preserve the reserved bits, and set the rest as the user
+ specified (or the default, if the user gave zero). */
+ cw &= _FPU_RESERVED;
+ cw |= set & ~_FPU_RESERVED;
+
+ _FPU_SETCW (cw);
+ }
+
+ /* Do nothing if a VFP unit isn't present. */
+}