1/* Definitions for PowerPC single-precision floating point unit 2 such as Xilinx PowerPC 405/440 APU. 3 4 Copyright (C) 2008-2018 Free Software Foundation, Inc. 5 Contributed by Michael Eager (eager@eagercon.com) 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it 10 under the terms of the GNU General Public License as published 11 by the Free Software Foundation; either version 3, or (at your 12 option) any later version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 17 License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING3. If not see 21 <http://www.gnu.org/licenses/>. */ 22 23 24/* Undefine definitions from rs6000.h. */ 25#undef TARGET_SINGLE_FLOAT 26#undef TARGET_DOUBLE_FLOAT 27#undef TARGET_SINGLE_FPU 28#undef TARGET_SIMPLE_FPU 29#undef UNITS_PER_FP_WORD 30 31/* FPU operations supported. 32 If TARGET_SINGLE_FPU set, processor supports single fp options. */ 33#define TARGET_SINGLE_FLOAT (rs6000_single_float) 34#define TARGET_DOUBLE_FLOAT (rs6000_double_float) 35#define TARGET_SINGLE_FPU 1 36#define TARGET_SIMPLE_FPU (rs6000_simple_fpu) 37 38/* FP word width depends on single/double fp support. */ 39#define UNITS_PER_FP_WORD ((TARGET_SOFT_FLOAT || TARGET_DOUBLE_FLOAT) ? 8 : 4) 40 41