| /* Soft-FP definitions for Altera Nios II. |
| Copyright (C) 2013-2021 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, 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/>. */ |
| |
| #define _FP_W_TYPE_SIZE 32 |
| #define _FP_W_TYPE unsigned long |
| #define _FP_WS_TYPE signed long |
| #define _FP_I_TYPE long |
| |
| #define _FP_MUL_MEAT_S(R,X,Y) \ |
| _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) |
| #define _FP_MUL_MEAT_D(R,X,Y) \ |
| _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) |
| #define _FP_MUL_MEAT_Q(R,X,Y) \ |
| _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) |
| |
| #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) |
| #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) |
| #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) |
| |
| #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) |
| #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 |
| #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 |
| #define _FP_NANSIGN_S 0 |
| #define _FP_NANSIGN_D 0 |
| #define _FP_NANSIGN_Q 0 |
| |
| #define _FP_KEEPNANFRACP 1 |
| #define _FP_QNANNEGATEDP 0 |
| |
| /* Someone please check this. */ |
| #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ |
| do { \ |
| if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ |
| && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ |
| { \ |
| R##_s = Y##_s; \ |
| _FP_FRAC_COPY_##wc(R,Y); \ |
| } \ |
| else \ |
| { \ |
| R##_s = X##_s; \ |
| _FP_FRAC_COPY_##wc(R,X); \ |
| } \ |
| R##_c = FP_CLS_NAN; \ |
| } while (0) |
| |
| /* Not checked. */ |
| #define _FP_TININESS_AFTER_ROUNDING 0 |
| |
| #define __LITTLE_ENDIAN 1234 |
| #define __BIG_ENDIAN 4321 |
| |
| #ifdef __nios2_little_endian__ |
| #define __BYTE_ORDER __LITTLE_ENDIAN |
| #else |
| #define __BYTE_ORDER __BIG_ENDIAN |
| #endif |
| |
| /* Define ALIASNAME as a strong alias for NAME. */ |
| # define strong_alias(name, aliasname) _strong_alias(name, aliasname) |
| # define _strong_alias(name, aliasname) \ |
| extern __typeof (name) aliasname __attribute__ ((alias (#name))); |