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-rw-r--r--sysdeps/ia64/fpu/fesetenv.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/fesetenv.c b/sysdeps/ia64/fpu/fesetenv.c
new file mode 100644
index 0000000000..b1209ca34e
--- /dev/null
+++ b/sysdeps/ia64/fpu/fesetenv.c
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+/* Install given floating-point environment.
+ Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 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
+fesetenv (const fenv_t *envp)
+{
+ fenv_t env;
+
+ /*
+ This stinks!
+ Magic encoding of default values: bit 62+63 set (which will never
+ happen for a user-space address) means it's not indirect.
+ */
+ if (((unsigned long int) envp >> 62) == 0x03)
+ env = (unsigned long int) envp & 0x3fffffffffffffff;
+ else
+ env = *envp;
+
+ __asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (env));
+
+ return 0;
+}