diff options
Diffstat (limited to 'ports/sysdeps/ia64/fpu/s_isnan.S')
| -rw-r--r-- | ports/sysdeps/ia64/fpu/s_isnan.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/ports/sysdeps/ia64/fpu/s_isnan.S b/ports/sysdeps/ia64/fpu/s_isnan.S new file mode 100644 index 0000000000..79589e5c22 --- /dev/null +++ b/ports/sysdeps/ia64/fpu/s_isnan.S @@ -0,0 +1,50 @@ +/* Test for NaN + Copyright (C) 2000, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen <jes@linuxcare.com>, October 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/>. */ + +/* + * isnan(x) returns 1 is x is nan, else 0; + */ + +#include <sysdep.h> +#undef ret + +ENTRY (__isnan) +{ +.mfi + fclass.m p6, p7 = farg0, @nat | @qnan | @snan + ;; +} +{ +.mib +(p6) mov ret0 = 1 +(p7) mov ret0 = 0 + br.ret.sptk.many rp +} +END (__isnan) + +strong_alias (__isnan, __isnanf) +strong_alias (__isnan, __isnanl) + +weak_alias (__isnan, isnan) +weak_alias (__isnanf, isnanf) +weak_alias (__isnanl, isnanl) + +hidden_def (__isnan) +hidden_def (__isnanf) +hidden_def (__isnanl) |