1 files changed, 41 insertions, 0 deletions
diff --git a/ports/sysdeps/ia64/fpu/fesetenv.c b/ports/sysdeps/ia64/fpu/fesetenv.c
new file mode 100644
index 0000000000..4520bfdae5
--- /dev/null
+++ b/ports/sysdeps/ia64/fpu/fesetenv.c
@@ -0,0 +1,41 @@
+/* Install given floating-point environment.
+   Copyright (C) 1997, 1998, 1999, 2000, 2002 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)