| /* Truncate long double 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 <libm-alias-ldouble.h> |
| #include <machine/asm.h> |
| |
| ENTRY(__truncl) |
| fldt 8(%rsp) |
| fnstenv -28(%rsp) |
| movl $0xc00, %edx |
| orl -28(%rsp), %edx |
| movl %edx, -32(%rsp) |
| fldcw -32(%rsp) |
| frndint |
| fnstsw |
| andl $0x1, %eax |
| orl %eax, -24(%rsp) |
| fldenv -28(%rsp) |
| ret |
| END(__truncl) |
| libm_alias_ldouble (__trunc, trunc) |
