| /* Copyright (C) 2006-2013 Free Software Foundation, Inc. |
| |
| This file is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3 of the License, or (at your option) |
| any later version. |
| |
| This file 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 General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <spu_intrinsics.h> |
| const unsigned char __didf_scale[16] __attribute__ ((__aligned__ (16))) = { |
| 0x00, 0x00, 0x04, 0x3e, |
| 0x00, 0x00, 0x04, 0x1e, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00 |
| }; |
| const unsigned char __didf_pat[16] __attribute__ ((__aligned__ (16))) = { |
| 0x02, 0x03, 0x10, 0x11, |
| 0x12, 0x13, 0x80, 0x80, |
| 0x06, 0x07, 0x14, 0x15, |
| 0x16, 0x17, 0x80, 0x80 |
| }; |
| |
| /* double __float_unsdidf (unsigned long long int) |
| Construct two exact doubles representing the high and low parts (in |
| parallel), then add them. */ |
| qword __float_unsdidf (qword DI); |
| qword |
| __float_unsdidf (qword DI) |
| { |
| qword t0, t1, t2, t3, t4, t5, t6, t7, t8; |
| t0 = si_clz (DI); |
| t1 = si_shl (DI, t0); |
| t2 = si_ceqi (t0, 32); |
| t3 = si_sf (t0, *(const qword *) __didf_scale); |
| t4 = si_a (t1, t1); |
| t5 = si_andc (t3, t2); |
| t6 = si_shufb (t5, t4, *(const qword *) __didf_pat); |
| t7 = si_shlqbii (t6, 4); |
| t8 = si_shlqbyi (t7, 8); |
| return si_dfa (t7, t8); |
| } |