| /* Test for inf/-inf |
| 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* |
| * 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) |
