projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d876f532 UD |
1 | /* Software floating-point emulation. |
| 2 | (*c) = (long double)(a) | |
| fe0b1e85 | 3 | Copyright (C) 1997,1999,2006 Free Software Foundation, Inc. |
| d876f532 UD |
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 | |
| 41bdb6e2 AJ |
9 | modify it under the terms of the GNU Lesser General Public |
| 10 | License as published by the Free Software Foundation; either | |
| 11 | version 2.1 of the License, or (at your option) any later version. | |
| d876f532 UD |
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 | |
| 41bdb6e2 | 16 | Lesser General Public License for more details. |
| d876f532 | 17 | |
| 41bdb6e2 AJ |
18 | You should have received a copy of the GNU Lesser General Public |
| 19 | License along with the GNU C Library; if not, write to the Free | |
| 20 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 21 | 02111-1307 USA. */ | |
| d876f532 UD |
22 | |
| 23 | #include "soft-fp.h" | |
| 24 | #include "single.h" | |
| 25 | #include "quad.h" | |
| 26 | ||
| 27 | void _Qp_stoq(long double *c, const float a) | |
| 28 | { | |
| 29 | FP_DECL_EX; | |
| 30 | FP_DECL_S(A); | |
| 31 | FP_DECL_Q(C); | |
| 32 | ||
| 33 | FP_INIT_ROUNDMODE; | |
| fe0b1e85 | 34 | FP_UNPACK_RAW_S(A, a); |
| d876f532 | 35 | #if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q |
| fe0b1e85 | 36 | FP_EXTEND(Q,S,4,1,C,A); |
| d876f532 | 37 | #else |
| fe0b1e85 | 38 | FP_EXTEND(Q,S,2,1,C,A); |
| d876f532 | 39 | #endif |
| fe0b1e85 | 40 | FP_PACK_RAW_QP(c, C); |
| d876f532 | 41 | QP_HANDLE_EXCEPTIONS(__asm ( |
| ba77ce24 AJ |
42 | " fstoq %1, %%f60\n" |
| 43 | " std %%f60, [%0]\n" | |
| 44 | " std %%f62, [%0+8]\n" | |
| 45 | " " : : "r" (c), "f" (a) : QP_CLOBBER)); | |
| d876f532 | 46 | } |