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Diffstat (limited to 'sysdeps/ia64/fpu/fsetexcptflg.c')
-rw-r--r--sysdeps/ia64/fpu/fsetexcptflg.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/fsetexcptflg.c b/sysdeps/ia64/fpu/fsetexcptflg.c
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+++ b/sysdeps/ia64/fpu/fsetexcptflg.c
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+/* Set floating-point environment exception handling.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+ 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.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+ fenv_t fpsr;
+
+ /* Get the current exception state. */
+ __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+ fpsr &= ~(((fenv_t) excepts & FE_ALL_EXCEPT) << 13);
+
+ /* Set all the bits that were called for. */
+ fpsr |= ((*flagp & excepts & FE_ALL_EXCEPT) << 13);
+
+ /* And store it back. */
+ __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
+
+ /* Success. */
+ return 0;
+}