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Diffstat (limited to 'REORG.TODO/sysdeps/s390/fpu/fclrexcpt.c')
-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)