blob: 7bdf0e5111379a973007429e55d99ebe750e7024 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* Truncate float value.
Copyright (C) 1997-2023 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/>. */
#include <machine/asm.h>
#include <libm-alias-float.h>
ENTRY(__truncf)
flds 4(%esp)
subl $32, %esp
cfi_adjust_cfa_offset (32)
fnstenv 4(%esp)
movl $0xc00, %edx
orl 4(%esp), %edx
movl %edx, (%esp)
fldcw (%esp)
frndint
fldenv 4(%esp)
addl $32, %esp
cfi_adjust_cfa_offset (-32)
ret
END(__truncf)
libm_alias_float (__trunc, trunc)
|
