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Diffstat (limited to 'REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c')
-rw-r--r--REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c b/REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..1cd1d445c7
--- /dev/null
+++ b/REORG.TODO/sysdeps/s390/fpu/feholdexcpt.c
@@ -0,0 +1,37 @@
+/* Store current floating-point environment and clear exceptions.
+ 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 <fpu_control.h>
+
+int __feholdexcept (fenv_t *envp)
+{
+ fexcept_t fpc;
+ /* Store the environment. */
+ fegetenv (envp);
+ /* Clear the current sticky bits as more than one exception
+ may be generated. */
+ fpc = envp->__fpc & ~(FPC_FLAGS_MASK | FPC_DXC_MASK);
+ /* Hold from generating fpu exceptions temporarily. */
+ _FPU_SETCW ((fpc & ~(FE_ALL_EXCEPT << FPC_EXCEPTION_MASK_SHIFT)));
+ return 0;
+}
+libm_hidden_def (__feholdexcept)
+weak_alias (__feholdexcept, feholdexcept)
+libm_hidden_weak (feholdexcept)