aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/hppa
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2000-10-15 03:35:14 +0000
committerUlrich Drepper <drepper@redhat.com>2000-10-15 03:35:14 +0000
commit318eb46070f17c67b8827befe75e6b63affbcc56 (patch)
tree88f68c88dd3c11677183b1e04b2b3c2619ce27ed /sysdeps/hppa
parent8c34028d3e197956caa1c786b45eff871ed9792e (diff)
downloadglibc-318eb46070f17c67b8827befe75e6b63affbcc56.tar
glibc-318eb46070f17c67b8827befe75e6b63affbcc56.tar.gz
glibc-318eb46070f17c67b8827befe75e6b63affbcc56.tar.bz2
glibc-318eb46070f17c67b8827befe75e6b63affbcc56.zip
Linux/HPPA specific feupdateenv implementation.
Diffstat (limited to 'sysdeps/hppa')
-rw-r--r--sysdeps/hppa/fpu/feupdateenv.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/hppa/fpu/feupdateenv.c b/sysdeps/hppa/fpu/feupdateenv.c
new file mode 100644
index 0000000000..7e2d715e25
--- /dev/null
+++ b/sysdeps/hppa/fpu/feupdateenv.c
@@ -0,0 +1,40 @@
+/* Install given floating-point environment and raise 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 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
+feupdateenv (const fenv_t *envp)
+{
+ unsigned int sw[2];
+
+ /* Get the current exception status. */
+ __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
+ sw[0] &= (FE_ALL_EXCEPT << 27);
+
+ /* Install new environment. */
+ fesetenv (envp);
+
+ /* Raise the saved exception. */
+ feraiseexcept (sw[0] >> 27);
+
+ /* Success. */
+ return 0;
+}