| /* Truncate float value. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
| |
| 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 |
| <http://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) |
