1 files changed, 53 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/fpu/fsetexcptflg.c b/REORG.TODO/sysdeps/s390/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..58e462fb5a
--- /dev/null
+++ b/REORG.TODO/sysdeps/s390/fpu/fsetexcptflg.c
@@ -0,0 +1,53 @@
+/* Set floating-point environment exception handling.
+   Copyright (C) 2000-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   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 <math.h>
+#include <fpu_control.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+  fexcept_t temp, newexcepts;
+
+  /* Get the current environment.  We have to do this since we cannot
+     separately set the status word.  */
+  _FPU_GETCW (temp);
+  /* Install the new exception bits in the Accrued Exception Byte.  */
+  excepts = excepts & FE_ALL_EXCEPT;
+  newexcepts = excepts << FPC_FLAGS_SHIFT;
+  temp &= ~newexcepts;
+  if ((temp & FPC_NOT_FPU_EXCEPTION) == 0)
+    /* Bits 6, 7 of dxc-byte are zero,
+       thus bits 0-5 of dxc-byte correspond to the flag-bits.
+       Clear given exceptions in dxc-field.  */
+    temp &= ~(excepts << FPC_DXC_SHIFT);
+
+  /* Integrate dxc-byte of flagp into flags. The dxc-byte of flagp contains
+     either an ieee-exception or 0 (see fegetexceptflag).  */
+  temp |= (*flagp | ((*flagp >> FPC_DXC_SHIFT) << FPC_FLAGS_SHIFT))
+    & newexcepts;
+
+  /* Store the new status word (along with the rest of the environment.
+     Possibly new exceptions are set but they won't get executed.  */
+  _FPU_SETCW (temp);
+
+  /* Success.  */
+  return 0;
+}