1 ; Copyright (C) 2012-2018 Free Software Foundation, Inc.
2 ; Contributed by Red Hat.
4 ; This file is free software; you can redistribute it and/or modify it
5 ; under the terms of the GNU General Public License as published by the
6 ; Free Software Foundation; either version 3, or (at your option) any
9 ; This file is distributed in the hope that it will be useful, but
10 ; WITHOUT ANY WARRANTY; without even the implied warranty of
11 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 ; General Public License for more details.
14 ; Under Section 7 of GPL version 3, you are granted additional
15 ; permissions described in the GCC Runtime Library Exception, version
16 ; 3.1, as published by the Free Software Foundation.
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19 ; a copy of the GCC Runtime Library Exception along with this program;
20 ; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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25 ;; int signbitf (float X)
26 ;; int signbit (double X)
27 ;; int signbitl (long double X)
29 ;; `signbit' returns a nonzero value if the value of X has its sign
32 ;; This is not the same as `x < 0.0', because IEEE 754 floating point
33 ;; allows zero to be signed. The comparison `-0.0 < 0.0' is false,
34 ;; but `signbit (-0.0)' will return a nonzero value.
36 ;----------------------------------------------------------------------
41 START_ANOTHER_FUNC _signbitf
42 ;; X is at [sp+4]..[SP+7]
43 ;; result is in R8..R9
51 END_ANOTHER_FUNC _signbitf
56 ;; X is at [sp+4]..[SP+7]
57 ;; result is in R8..R9