mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* Software floating-point emulation.
|
|
Return (long)(*a)
|
|
Copyright (C) 1997-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Richard Henderson (rth@cygnus.com) and
|
|
Jakub Jelinek (jj@ultra.linux.cz).
|
|
|
|
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/>. */
|
|
|
|
#define FP_ROUNDMODE FP_RND_ZERO
|
|
#include "soft-fp.h"
|
|
#include "quad.h"
|
|
|
|
long _Qp_qtox(const long double *a)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_Q(A);
|
|
unsigned long r;
|
|
|
|
FP_INIT_ROUNDMODE;
|
|
FP_UNPACK_RAW_QP(A, a);
|
|
FP_TO_INT_Q(r, A, 64, 1);
|
|
QP_HANDLE_EXCEPTIONS(
|
|
long rx;
|
|
__asm (
|
|
" ldd [%1], %%f52\n"
|
|
" ldd [%1+8], %%f54\n"
|
|
" fqtox %%f52, %%f60\n"
|
|
" std %%f60, [%0]\n"
|
|
" " : : "r" (&rx), "r" (a) : QP_CLOBBER);
|
|
r = rx);
|
|
|
|
return r;
|
|
}
|