Merge changes between r19381 and r19447 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@19448 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 33 insertions, 0 deletions

diff --git a/libc/ports/sysdeps/alpha/fpu/feholdexcpt.c b/libc/ports/sysdeps/alpha/fpu/feholdexcpt.c
new file mode 100644
index 000000000..9242d9c31
--- /dev/null
+++ b/libc/ports/sysdeps/alpha/fpu/feholdexcpt.c
@@ -0,0 +1,33 @@
+/* Store current floating-point environment and clear exceptions.
+   Copyright (C) 1997, 2000, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson <rth@tamu.edu>, 1997
+
+   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>
+
+int
+feholdexcept (fenv_t *envp)
+{
+  /* Save the current state.  */
+  fegetenv(envp);
+
+  /* Clear all exception status bits and exception enable bits.  */
+  __ieee_set_fp_control(*envp & SWCR_MAP_MASK);
+
+  return 0;
+}
+libm_hidden_def (feholdexcept)