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authorUlrich Drepper <drepper@redhat.com>2000-08-17 18:45:58 +0000
committerUlrich Drepper <drepper@redhat.com>2000-08-17 18:45:58 +0000
commitcd290faab1b1ca66f22e42c67792170e6d6db69c (patch)
tree8cdc9c6be06a1f303afc41b10facb196d1160e63
parent35781b9dd67f709fa78d4c4c1d8ab57bffaef1ab (diff)
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Alpha feenableexcept implementation.
-rw-r--r--sysdeps/alpha/fpu/feenablxcpt.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/feenablxcpt.c b/sysdeps/alpha/fpu/feenablxcpt.c
new file mode 100644
index 0000000000..d2b0f2e5e5
--- /dev/null
+++ b/sysdeps/alpha/fpu/feenablxcpt.c
@@ -0,0 +1,36 @@
+/* Enable floating-point exceptions.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <fenv.h>
+
+int
+feenableexcept (int excepts)
+{
+ unsigned long int new_exc, old_exc;
+
+ new_exc = __ieee_get_fp_control ();
+
+ old_exc = (new_exc << 16) & FE_ALL_EXCEPT;
+ new_exc |= (excepts & FE_ALL_EXCEPT) >> 16;
+
+ __ieee_set_fp_control (new_exc);
+
+ return old_exc;
+}