1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/powerpc/nofpu/atomic-feholdexcept.c b/sysdeps/powerpc/nofpu/atomic-feholdexcept.c
new file mode 100644
index 0000000000..07b11d0557
--- /dev/null
+++ b/sysdeps/powerpc/nofpu/atomic-feholdexcept.c
@@ -0,0 +1,38 @@
+/* Store current floating-point environment and clear exceptions for
+   atomic compound assignment.
+   Copyright (C) 2013 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 "soft-fp.h"
+#include "soft-supp.h"
+
+void
+__atomic_feholdexcept (fenv_t *envp)
+{
+  fenv_union_t u;
+
+  u.l[0] = __sim_exceptions_thread;
+  /* The rounding mode is not changed by arithmetic, so no need to
+     save it.  */
+  u.l[1] = __sim_disabled_exceptions_thread;
+  *envp = u.fenv;
+
+  /* This function postdates the global variables being turned into
+     compat symbols, so no need to set them.  */
+  __sim_exceptions_thread = 0;
+  __sim_disabled_exceptions_thread = FE_ALL_EXCEPT;
+}