projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d876f532 UD |
1 | /* Software floating-point emulation. |
| 2 | Return (unsigned long)(*a) | |
| 3 | Copyright (C) 1997,1999 Free Software Foundation, Inc. | |
| 4 | This file is part of the GNU C Library. | |
| 5 | Contributed by Richard Henderson (rth@cygnus.com) and | |
| 6 | Jakub Jelinek (jj@ultra.linux.cz). | |
| 7 | ||
| 8 | The GNU C Library is free software; you can redistribute it and/or | |
| 9 | modify it under the terms of the GNU Library General Public License as | |
| 10 | published by the Free Software Foundation; either version 2 of the | |
| 11 | License, or (at your option) any later version. | |
| 12 | ||
| 13 | The GNU C Library is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | Library General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU Library General Public | |
| 19 | License along with the GNU C Library; see the file COPYING.LIB. If | |
| 20 | not, write to the Free Software Foundation, Inc., | |
| 21 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 22 | ||
| 23 | #define FP_ROUNDMODE FP_RND_ZERO | |
| 24 | #include "soft-fp.h" | |
| 25 | #include "quad.h" | |
| 26 | ||
| 27 | unsigned long _Qp_qtoux(const long double *a) | |
| 28 | { | |
| 29 | FP_DECL_EX; | |
| 30 | FP_DECL_Q(A); | |
| 31 | unsigned long r; | |
| 32 | ||
| 33 | FP_INIT_ROUNDMODE; | |
| 34 | FP_UNPACK_QP(A, a); | |
| 35 | FP_TO_INT_Q(r, A, 64, -1); | |
| 36 | QP_HANDLE_EXCEPTIONS( | |
| 37 | unsigned long rx; | |
| 38 | __asm ( | |
| 39 | "ldd [%1], %%f52 | |
| 40 | ldd [%1+8], %%f54 | |
| 41 | fqtoi %%f52, %%f60 | |
| 42 | std %%f60, [%0] | |
| 43 | " : : "r" (&rx), "r" (a) : QP_CLOBBER); | |
| 44 | r = rx); | |
| 45 | ||
| 46 | return r; | |
| 47 | } |