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-rw-r--r--REORG.TODO/sysdeps/s390/fpu/fclrexcpt.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/fpu/fclrexcpt.c b/REORG.TODO/sysdeps/s390/fpu/fclrexcpt.c
new file mode 100644
index 0000000000..06c66279ff
--- /dev/null
+++ b/REORG.TODO/sysdeps/s390/fpu/fclrexcpt.c
@@ -0,0 +1,45 @@
+/* Clear given exceptions in current floating-point environment.
+   Copyright (C) 2000-2017 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>
+
+int
+feclearexcept (int excepts)
+{
+  fexcept_t temp;
+
+  /* Mask out unsupported bits/exceptions.  */
+  excepts &= FE_ALL_EXCEPT;
+
+  _FPU_GETCW (temp);
+  /* Clear the relevant bits.  */
+  temp &= ~(excepts << FPC_FLAGS_SHIFT);
+  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 the relevant bits in flags and dxc-field.  */
+    temp &= ~(excepts << FPC_DXC_SHIFT);
+
+  /* Put the new data in effect.  */
+  _FPU_SETCW (temp);
+
+  /* Success.  */
+  return 0;
+}
+libm_hidden_def (feclearexcept)