1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/fpu/feholdexcpt.c b/REORG.TODO/sysdeps/powerpc/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..fef49c33a9
--- /dev/null
+++ b/REORG.TODO/sysdeps/powerpc/fpu/feholdexcpt.c
@@ -0,0 +1,51 @@
+/* Store current floating-point environment and clear exceptions.
+   Copyright (C) 1997-2017 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_libc.h>
+#include <fpu_control.h>
+#define _FPU_MASK_ALL (_FPU_MASK_ZM | _FPU_MASK_OM | _FPU_MASK_UM | _FPU_MASK_XM | _FPU_MASK_IM)
+
+int
+__feholdexcept (fenv_t *envp)
+{
+  fenv_union_t old, new;
+
+  /* Save the currently set exceptions.  */
+  old.fenv = *envp = fegetenv_register ();
+
+  /* Clear everything except for the rounding modes and non-IEEE arithmetic
+     flag.  */
+  new.l = old.l & 0xffffffff00000007LL;
+
+  if (new.l == old.l)
+    return 0;
+
+  /* If the old env had any enabled exceptions, then mask SIGFPE in the
+     MSR FE0/FE1 bits.  This may allow the FPU to run faster because it
+     always takes the default action and can not generate SIGFPE. */
+  if ((old.l & _FPU_MASK_ALL) != 0)
+    (void)__fe_mask_env ();
+
+  /* Put the new state in effect.  */
+  fesetenv_register (new.fenv);
+
+  return 0;
+}
+libm_hidden_def (__feholdexcept)
+weak_alias (__feholdexcept, feholdexcept)
+libm_hidden_weak (feholdexcept)