?? s_truncl.s
字號:
/* Truncate long double value. Copyright (C) 1997, 2003 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#include <machine/asm.h>ENTRY(__truncl) fldt 8(%rsp) fstcw -4(%rsp) movl $0xc00, %edx orl -4(%rsp), %edx movl %edx, -8(%rsp) fldcw -8(%rsp) frndint fldcw -4(%rsp) retEND(__truncl)weak_alias (__truncl, truncl)
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