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From a66161f44853403b2cf464de08753d4b5aa6d2dd Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 25 Apr 2013 11:28:37 +0000
Subject: [PATCH] libm/x86_64: implement fegetround
---
libm/x86_64/fegetround.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 libm/x86_64/fegetround.c
diff --git a/libm/x86_64/fegetround.c b/libm/x86_64/fegetround.c
new file mode 100644
index 0000000..8ae0c3a
--- /dev/null
+++ b/libm/x86_64/fegetround.c
@@ -0,0 +1,31 @@
+/* Return current rounding direction.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <fenv.h>
+
+int
+fegetround (void)
+{
+ int cw;
+
+ __asm__ ("fnstcw %0" : "=m" (*&cw));
+
+ return cw & 0xc00;
+}
--
1.8.2.1
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