Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge

1 files changed, 38 insertions, 0 deletions

diff --git a/ports/sysdeps/ia64/fpu/fclrexcpt.c b/ports/sysdeps/ia64/fpu/fclrexcpt.c
new file mode 100644
index 0000000000..84f83277b9
--- /dev/null
+++ b/ports/sysdeps/ia64/fpu/fclrexcpt.c
@@ -0,0 +1,38 @@
+/* Clear given exceptions in current floating-point environment.
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999 and
+                  Jes Sorensen <Jes.Sorensen@cern.ch>, 2000
+
+   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
+feclearexcept (int excepts)
+{
+  fenv_t fpsr;
+
+  /* Get the current state.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  /* Clear the relevant bits.  */
+  fpsr &= ~(((fenv_t) ((excepts & FE_ALL_EXCEPT) << 13)));
+  /* Put the new state in effect.  */
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
+
+  /* success */
+  return 0;
+}