1 files changed, 35 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/x86_64/fpu/fegetenv.c b/REORG.TODO/sysdeps/x86_64/fpu/fegetenv.c
new file mode 100644
index 0000000000..af7642e990
--- /dev/null
+++ b/REORG.TODO/sysdeps/x86_64/fpu/fegetenv.c
@@ -0,0 +1,35 @@
+/* Store current floating-point environment.
+   Copyright (C) 2001-2017 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>
+
+int
+__fegetenv (fenv_t *envp)
+{
+  __asm__ ("fnstenv %0\n"
+	   /* fnstenv changes the exception mask, so load back the
+	      stored environment.  */
+	   "fldenv %0\n"
+	   "stmxcsr %1" : "=m" (*envp), "=m" (envp->__mxcsr));
+
+  /* Success.  */
+  return 0;
+}
+libm_hidden_def (__fegetenv)
+weak_alias (__fegetenv, fegetenv)
+libm_hidden_weak (fegetenv)