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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/hppa/fpu/fegetexcept.c
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
downloadglibc-2.16.90.tar.gz
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Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/hppa/fpu/fegetexcept.c')
-rw-r--r--ports/sysdeps/hppa/fpu/fegetexcept.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/ports/sysdeps/hppa/fpu/fegetexcept.c b/ports/sysdeps/hppa/fpu/fegetexcept.c
new file mode 100644
index 0000000000..0faa3b213f
--- /dev/null
+++ b/ports/sysdeps/hppa/fpu/fegetexcept.c
@@ -0,0 +1,33 @@
+/* Get enabled floating-point exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Huggins-Daines <dhd@debian.org>, 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
+fegetexcept (void)
+{
+  union { unsigned long long l; unsigned int sw[2] } s;
+
+  /* Get the current status word. */
+  __asm__ ("fstd %%fr0,0(%1)	\n\t" 
+           "fldd 0(%1),%%fr0	\n\t"
+      	   : "=m" (s.l) : "r" (&s.l) : "%r0");
+
+  return (s.sw[0] & FE_ALL_EXCEPT);
+}