]>
Commit | Line | Data |
---|---|---|
dfdb8ff2 DM |
1 | /* signbit(). sparc64 version. |
2 | Copyright (C) 2012 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <sysdep.h> | |
20 | ||
21 | ENTRY (__signbit) | |
22 | st %f0, [%sp + STACK_BIAS + 128] | |
23 | ld [%sp + STACK_BIAS + 128], %o0 | |
24 | retl | |
25 | srl %o0, 31, %o0 | |
26 | END (__signbit) | |
27 | weak_alias (__signbit, signbit) | |
28 | ||
29 | /* On 64-bit the double version will also always work for | |
30 | long-double-precision since in both cases the word with the | |
31 | sign bit in it is passed always in register %f0. */ | |
32 | strong_alias (__signbit, __signbitl) | |
33 | hidden_def (__signbitl) | |
34 | weak_alias (__signbitl, signbitl) |