1 files changed, 38 insertions, 0 deletions
diff --git a/ports/sysdeps/aarch64/fpu/feupdateenv.c b/ports/sysdeps/aarch64/fpu/feupdateenv.c
new file mode 100644
index 0000000000..6e14e79a3f
--- /dev/null
+++ b/ports/sysdeps/aarch64/fpu/feupdateenv.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2009-2012 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
+feupdateenv (const fenv_t *envp)
+{
+  fpu_fpsr_t fpsr;
+
+  /* Get the current exception state.  */
+  _FPU_GETFPSR (fpsr);
+
+  /* Install new environment.  */
+  fesetenv (envp);
+
+  /* Raise the saved exceptions.  */
+  feraiseexcept (fpsr & FE_ALL_EXCEPT);
+
+  return 0;
+}
+libm_hidden_def (feupdateenv)