1/* Soft-FP definitions for Altera Nios II. 2 Copyright (C) 2013-2022 Free Software Foundation, Inc. 3 4This file is free software; you can redistribute it and/or modify it 5under the terms of the GNU General Public License as published by the 6Free Software Foundation; either version 3, or (at your option) any 7later version. 8 9This file is distributed in the hope that it will be useful, but 10WITHOUT ANY WARRANTY; without even the implied warranty of 11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12General Public License for more details. 13 14Under Section 7 of GPL version 3, you are granted additional 15permissions described in the GCC Runtime Library Exception, version 163.1, as published by the Free Software Foundation. 17 18You should have received a copy of the GNU General Public License and 19a copy of the GCC Runtime Library Exception along with this program; 20see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 21<http://www.gnu.org/licenses/>. */ 22 23#define _FP_W_TYPE_SIZE 32 24#define _FP_W_TYPE unsigned long 25#define _FP_WS_TYPE signed long 26#define _FP_I_TYPE long 27 28#define _FP_MUL_MEAT_S(R,X,Y) \ 29 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) 30#define _FP_MUL_MEAT_D(R,X,Y) \ 31 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) 32#define _FP_MUL_MEAT_Q(R,X,Y) \ 33 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) 34 35#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) 36#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) 37#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) 38 39#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) 40#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 41#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 42#define _FP_NANSIGN_S 0 43#define _FP_NANSIGN_D 0 44#define _FP_NANSIGN_Q 0 45 46#define _FP_KEEPNANFRACP 1 47#define _FP_QNANNEGATEDP 0 48 49/* Someone please check this. */ 50#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ 51 do { \ 52 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ 53 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ 54 { \ 55 R##_s = Y##_s; \ 56 _FP_FRAC_COPY_##wc(R,Y); \ 57 } \ 58 else \ 59 { \ 60 R##_s = X##_s; \ 61 _FP_FRAC_COPY_##wc(R,X); \ 62 } \ 63 R##_c = FP_CLS_NAN; \ 64 } while (0) 65 66/* Not checked. */ 67#define _FP_TININESS_AFTER_ROUNDING 0 68 69#define __LITTLE_ENDIAN 1234 70#define __BIG_ENDIAN 4321 71 72#ifdef __nios2_little_endian__ 73#define __BYTE_ORDER __LITTLE_ENDIAN 74#else 75#define __BYTE_ORDER __BIG_ENDIAN 76#endif 77 78/* Define ALIASNAME as a strong alias for NAME. */ 79# define strong_alias(name, aliasname) _strong_alias(name, aliasname) 80# define _strong_alias(name, aliasname) \ 81 extern __typeof (name) aliasname __attribute__ ((alias (#name))); 82