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Diffstat (limited to 'sysdeps/ia64/fpu/fesetenv.c')
-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 0000000..8d83aac
--- /dev/null
+++ b/sysdeps/ia64/fpu/fesetenv.c
@@ -0,0 +1,41 @@
+/* Install given floating-point environment.
+ Copyright (C) 1997-2014 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 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
+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 (((fenv_t) envp >> 62) == 0x03)
+ env = (fenv_t) envp & 0x3fffffffffffffff;
+ else
+ env = *envp;
+
+ __asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (env));
+
+ return 0;
+}
+libm_hidden_def (fesetenv)