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63551311 | 1 | /* Truncate double value. |
b168057a | 2 | Copyright (C) 1997-2015 Free Software Foundation, Inc. |
63551311 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
63551311 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
63551311 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
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19 | |
20 | #include <machine/asm.h> | |
21 | ||
22 | ENTRY(__trunc) | |
23 | fldl 4(%esp) | |
24 | subl $8, %esp | |
91c03c53 | 25 | cfi_adjust_cfa_offset (8) |
63551311 UD |
26 | fstcw 4(%esp) |
27 | movl $0xc00, %edx | |
28 | orl 4(%esp), %edx | |
29 | movl %edx, (%esp) | |
30 | fldcw (%esp) | |
31 | frndint | |
32 | fldcw 4(%esp) | |
33 | addl $8, %esp | |
91c03c53 | 34 | cfi_adjust_cfa_offset (-8) |
63551311 UD |
35 | ret |
36 | END(__trunc) | |
37 | weak_alias (__trunc, trunc) |