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/* Test for inf/-inf
Copyright (C) 2000-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
/*
* isinf(x) returns 1 if x is inf, -1 for x == -inf, else 0;
*/
#include <sysdep.h>
#undef ret
ENTRY (__isinf)
{
.mfi
fclass.m p6, p7 = farg0, @inf|@pos
;;
}
{
.mfb
(p6) mov ret0 = 1
(p7) fclass.m p7, p8 = farg0, @inf|@neg
(p6) br.ret.sptk.many rp
;;
}
{
.pred.rel.mutex p7,p8
(p7) mov ret0 = -1
(p8) mov ret0 = 0
br.ret.sptk.many rp
}
END (__isinf)
strong_alias (__isinf, __isinff)
strong_alias (__isinf, __isinfl)
weak_alias (__isinf, isinf)
weak_alias (__isinff, isinff)
weak_alias (__isinfl, isinfl)
hidden_def (__isinf)
hidden_def (__isinff)
hidden_def (__isinfl)
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