Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge

1 files changed, 37 insertions, 0 deletions

diff --git a/ports/sysdeps/hppa/fpu/fedisblxcpt.c b/ports/sysdeps/hppa/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..c69d8bacba
--- /dev/null
+++ b/ports/sysdeps/hppa/fpu/fedisblxcpt.c
@@ -0,0 +1,37 @@
+/* Disable 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
+fedisableexcept (int excepts)
+{
+  union { unsigned long long l; unsigned int sw[2]; } s; 
+  unsigned int old_exc;
+
+  /* Get the current status word. */
+  __asm__ ("fstd %%fr0,0(%1)" : "=m" (s.l) : "r" (&s.l) : "%r0");
+
+  old_exc = s.sw[0] & FE_ALL_EXCEPT;
+
+  s.sw[0] &= ~(excepts & FE_ALL_EXCEPT);
+  __asm__ ("fldd 0(%0),%%fr0" : : "r" (&s.l), "m" (s.l) : "%r0");
+
+  return old_exc;
+}